Head cooling device, and method for manufacturing a head cooling device

Abstract

To provide a head cooling implement, highly efficiently cooling the human body head, when being worn on a human body head, by preventing cool air resulting from a cooling medium from escaping from the head cooling implement and having a "comfortable cooling temperature duration" for keeping a comfortable cooling temperature for a long time.SOLUTION: A head cooling implement comprises a surface member 2r that can be worn over the head and that includes a plastic foaming material 2b having elastic flexibility with elasticity and flexibility and a shape-retaining property for retaining a substantially hollow hemispherical shape, and a cooling medium 3 installed in an inner surface side of the surface member 2. When it is worn over the human body head, the cooling medium 3 is located between the surface member 2 and the human body head, so that the head cooling implement is configured to cool the human body head.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present invention relates to a head cooling device for wearing on the head to cool the head.

Background Art

[0002] In general life, homes, hospitals, etc., as a countermeasure when feeling a heat abnormality on the head such as fever, sweating, or dizziness, a method of bringing a head cooling device such as an ice pack filled with ice cubes, a cold water cloth impregnated with cold water, or a cooling patch having a water-containing gel agent on the surface of a cloth base material into contact with the forehead of the human body is widely used. In addition, as a countermeasure when feeling a heat abnormality on the head when wearing a hat or helmet during summer outings or at a construction site, various cooling hats in which a cooling member is inserted into a pocket provided in the hat or helmet have been proposed. Also, a cooling aid to be worn under a hat or helmet has been proposed.

[0003] Furthermore, in the medical field, in chemotherapy used in cancer treatment, etc., a therapeutic drug is administered, and this therapeutic drug is absorbed by the hair roots through the blood vessels near the hair roots of the hair, often accompanied by hair loss, and the psychological pain of the patient is extremely significant, which has become an issue. Regarding such hair loss, it is known that hair loss can be suppressed by keeping the scalp at a low temperature to continuously constrict blood vessels and suppressing the absorption of the therapeutic drug by the hair roots. In response to this, an electric heat exchange type head cooling device aimed at preventing hair loss in patients undergoing chemotherapy has been proposed.

[0004] In response to the above problems, cooling hats, cooling aids that can be attached to hats or clothing, and head cooling devices having cooling functions in various forms, configurations, and shapes as described below have been proposed. As cooling hats having a cooling function, the following cooling hats have been proposed. Japanese Patent Publication No. 2013-2004 (Patent Document 1) discloses a hat having a hemispherical crown for covering the wearer's head, wherein a pocket with an opening is formed at the lower edge of the crown, and a cooling sheet made of a hygroscopic nonwoven fabric is contained in the pocket in a removable manner, and the wearer's head can be cooled by the heat of vaporization when the moisture absorbed by the cooling sheet evaporates.

[0005] Japanese Utility Model Publication No. 3164804 (Patent Document 2) discloses a hat that is equipped with a circular or oval-shaped cooling gel bag on the inside of the crown, the cooling gel bag having a slit into which the cooling gel can be inserted, and is detachable from the inside of the crown by an attachment member, and that can stop sweat, prevent odor, prevent dirt from adhering to the hat, and cool the wearer's head.

[0006] Japanese Utility Model Publication No. 63-81823 (Patent Document 3) proposes a cooling hat that has a pocket on the inside of the hat and a cooling agent that utilizes the latent heat of liquefaction attached to the pocket, thereby cooling the head.

[0007] Japanese Utility Model Publication No. 63-60426 (Patent Document 4) discloses a hat for cooling the head, in which a heat-insulating cap-like body is attached to the inside of a hat body made of a flexible material such as a cloth, so as to be removable along the hat body, and a cooling bag of appropriate thickness, which is made of a gel-like refrigerant sealed in a bag formed of synthetic resin film, is fixed to the inner wall surface of the heat-insulating cap-like body so as to be removable with a zipper, and a hat-shaped cushion body that is highly breathable and somewhat thick is removablely attached to the outside of the cooling bag.

[0008] Japanese Patent Publication No. 2003-88543 (Patent Document 5) discloses a cooling aid that can be attached to the inside of a hat, which is a cooling aid member formed by heat-sealing two sheet materials to form a bag and storing a required amount of superabsorbent polymer inside, wherein at least one of the two sheet materials is made of a sheet material that has water permeability, the overall shape is formed into a circle or polygon, and multiple sealing parts are formed radially from the center, and this cooling aid member for hats is used to cool the head when wearing a hat, and as a result the cooling medium can be recooled and reused, the cooling medium can be easily handled in a household refrigerator, etc., contact with the head is improved, the head can be cooled with a single cooling medium and has the effect of being usable even without a dedicated helmet or hat.

[0009] In particular, the following head cooling devices for medical use have been proposed. Japanese Patent Publication No. 11-269714 (Patent Document 6) discloses a hat consisting of a hat body worn on the head and a cooling medium for partially cooling the head, wherein the hat body has pocket-shaped cooling medium storage sections for housing the cooling medium, and multiple cooling medium storage sections are provided on the hat body, and can be appropriately selected and used according to the area to be cooled on the head, and the cooling medium can be placed in any position, thereby preventing an increase in blood flow, controlling the dilation of blood vessels and calming migraines, and by placing the medium in any position, the entire hat can be made lighter and has the effect of reducing discomfort when worn by the user.

[0010] Japanese Patent Publication No. 10-325010 (Patent Document 7) discloses a head attachment device characterized by having a removable attachment part on the inner surface of the head attachment body 1 made of a non-fiber material for detachably attaching a cooling sheet, which allows for effective cooling of the head when worn on the head, and is also simple in structure, inexpensive to manufacture, and suitable for disposable use.

[0011] Japanese Patent Publication No. 57-86340 (Patent Document 8) discloses a heat exchange hat for cooling or heating the entire scalp area on the top of a human head, comprising: a headband portion suitable for continuously wrapping around the human head, including the forehead, temples, sides of the ears, and the lower rear of the upper skull; means attached to both ends of the headband portion; a front edge fixed to the center of the upper edge of the headband portion; a top portion of the hat having side edges extending backward from the fixing of the front edge and end edges arranged at regular intervals backward from the front edge and parallel to the front edge; fixing means at the rear end of the top portion; and means for fixing the upper side edges of the headband portion to the side edges of the top portion, thereby forming a hat body that is in continuous contact with the scalp for heat exchange in the hairy part of the human scalp.

[0012] Japanese Patent Publication No. 2013-533079 (Patent Document 9) proposes a "body part temperature control device for regulating the temperature of a part of the body of a human or animal, comprising a controller, the controller configured to receive inputs from respective temperature sensors configured to detect the temperature of a heat transfer fluid at first, second, and third positions of the heat transfer fluid, the controller configured to determine the amount of heat transferred to the heat transfer fluid using the first, second, and third inputs, and to output a control signal based on that amount of heat to adjust the amount of heat transferred to the heat transfer fluid." In particular, it is disclosed that this device can be used as a device attached to the head of a cancer patient during chemotherapy to cool the scalp and suppress blood flow near the hair follicles on the surface of the hair, thereby having the effect of suppressing hair loss.

[0013] Japanese Patent Publication No. 2015-156965 (Patent Document 10) discloses a head cooling device comprising "a cooling cap for attachment to the head, a cooling medium channel formed inside the cooling cap and extending between a first cooling medium port and a second cooling medium port, a cooler for cooling the cooling medium, a cooling medium flow direction reversal mechanism that selectively supplies the cooling medium cooled by the cooler to one of the first and second cooling medium ports and discharges the cooling medium that has flowed through the cooling medium channel from the other of the first and second cooling medium ports, and a control device that controls the operation of the cooling medium flow direction switching mechanism, the control device being able to reverse the flow direction of the cooling medium flowing through the cooling medium channel inside the cooling cap by the cooling medium flow direction reversal mechanism." This configuration is disclosed to be particularly useful as a device attached to the head of a cancer patient during chemotherapy to cool the scalp and suppress blood flow near the hair follicles on the hair surface, thereby suppressing hair loss. [Prior art documents] [Patent Documents]

[0014] [Patent Document 1] Japanese Patent Publication No. 2013-2004 [Patent Document 2] Official Gazette No. 3164804 [Patent Document 3] Utility Model Publication No. 63-81823 [Patent Document 4] Utility Model Publication No. 63-60426 [Patent Document 5] Japanese Patent Publication No. 2003-88543 [Patent Document 6] Japanese Patent Application Publication No. 11-269714 [Patent Document 7] Japanese Patent Application Publication No. 10-325010 [Patent Document 8] Japanese Patent Application Publication No. 57-86340 [Patent Document 9] Special Publication No. 2013-533079 [Patent Document 10] Japanese Patent Application Laid-Open No. 2015-156965

SUMMARY OF THE INVENTION

PROBLEMS TO BE SOLVED BY THE INVENTION

[0015] As described above, various head-mounted articles for mounting on the head have been proposed for preventing heat generation of the head when going out in summer or at a construction site, or suppressing heat rise when the human body generates heat indoors. In the above prior art, the cooling hats disclosed in Patent Documents 1 to 4 are mainly used for outdoor wear because they have the function of cooling the head when worn during hot seasons or in direct sunlight or under the scorching sun. When worn indoors, in order to improve the appearance for outdoor decoration, the material, design, color, etc. of the hat are considered, and a brim for sunshade is required. Therefore, a design configuration that satisfies both the functions of design, etc. as an outdoor hat and the cooling function is necessary. To obtain a hat that satisfies both of these functions, expensive materials, complex shape designs, and complex manufacturing methods are required, and the cost during mass production tends to be high. In addition, hats that emphasize functions such as design tend to have a design that reduces the cooling function, and conversely, hats that emphasize the cooling function tend to have a design that reduces functions such as design.

[0016] Further, the inner surface fittings for hats disclosed in Patent Document 5 tend to cause inconveniences such as a decrease in the effect of cooling the head or unstable wearing stability and easy slipping when these inner surface fittings for hats are used alone without using a hat.

[0017] Also, in a head cooling device that can be used for medical purposes, the hat with a cooling medium disclosed in Patent Document 6 is designed to place the cooling medium at a specific site that can appropriately control the dilation of blood vessels, so there is a tendency to feel dissatisfied with the cooling sensation of the entire head. Since the headgear disclosed in Patent Document 7 is for single-use purposes, it is not suitable for repeated use and tends to be economically unsatisfactory. Since the scalp heat transfer device disclosed in Patent Document 8 uses a rectangular heat exchange member that continuously wraps around the head, attachment and detachment become complicated and the attachment / detachment usability tends to be poor. The electric heat exchange type head cooling devices disclosed in Patent Document 9 and Patent Document 10 have an issue that since they essentially include an electric cooling mechanism for cooling the cooling medium (or heat transfer fluid) that constitutes them, the movement of the head of the patient wearing the head cooling device and the actions of the patient, etc. are significantly restricted.

[0018] The present invention provides a head cooling appliance that exhibits [a "long-term cooling maintenance and comfortable wearing feeling effect" such as having excellent cooling performance for cooling the head, such as when worn on the human head, suppressing the escape of cold air from the head cooling appliance due to the cooling medium and efficiently cooling the human head, having a "comfortable cooling temperature duration" that sustains a comfortable cooling temperature for a long time, further suppressing the dropping off of the cooling medium from the human head and not restricting the actions of the wearer, etc., having a "comfortable wearing feeling"].

[0019] Furthermore, particularly in the application of medical head cooling appliances, it has excellent cooling performance for cooling the head, such as efficiently cooling the surface of the human head or the scalp with cold air caused by the cooling medium and having long-term cooling maintenance performance, suppressing the dropping off of the cooling medium from the human head, having a comfortable wearing feeling such that the actions of the wearer are not restricted due to the accompaniment of an electric cooling mechanism device, and particularly, a head cooling appliance that can be expected to have an effect such as a "hair loss suppression effect" that suppresses hair loss caused by anticancer agents administered in chemotherapy for cancer patients, etc. is provided.

Means for Solving the Problems

[0020] The head cooling device of the present invention is a head cooling device that can be worn to cover the head of a person, and comprises a surface member (2) that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and is configured to cool the head of the person.

[0021] In the head cooling device of the present invention, preferably, the surface member (2) has a substantially hemispherical hollow shape, and the surface member (2) is formed to have elasticity and flexibility such that it can be stretched and attached in the direction of the opening of the substantially hemispherical hollow shape and / or in the direction of the surface of the hemispherical hollow shape when it is attached to cover the head, and can be reduced in the direction of the opening of the substantially hemispherical hollow shape when it is attached to cover the head.

[0022] In the head cooling device of the present invention, preferably, the surface member (2) comprises a plastic foam molding material (2b) that has elasticity and flexibility and shape retention properties that maintain a substantially hemispherical hollow shape, and the surface member (2) is formed to be able to stretch and be attached in the direction of the circumferential direction of the substantially hemispherical hollow opening and / or in the direction of the substantially hemispherical hollow surface when it is attached to cover the head of a person, and to be able to shrink in the direction of the circumferential

[0023] In the head cooling device of the present invention, preferably, the cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a flexible sealed container (32), and the sealed cooling medium is (a) a refrigerant sealed cooling medium in which at least one refrigerant selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer is filled in a flexible sealed container (32), or (b) a plastic foamed substrate in which at least one refrigerant (31) selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer is impregnated into a plastic foamed substrate. The impregnated cooling medium is at least one of the following: (c) a plastic foam substrate refrigerant-impregnated sealed cooling medium filled in a sealed container, and a fabric substrate refrigerant-impregnated sealed cooling medium filled in a sealed container, wherein the fabric substrate impregnated cooling medium is a nonwoven fabric substrate and / or a woven fabric substrate impregnated with at least one refrigerant (31) selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer, and the sealed cooling medium (3) is installed on the inner surface side of the human head and / or the surface member (2) while cooled to a desired temperature. [Effects of the Invention]

[0024] The present invention provides a head cooling device that, when worn on the human head, suppresses the escape of cold air from the surface member 2 due to the cooling medium, efficiently cooling the surface of the human head, and has excellent cooling performance, such as having a "comfortable cooling temperature duration" that maintains a comfortable cooling temperature for a long period of time, as well as having a "long-term cooling maintenance and comfortable wearing effect," such as suppressing the detachment of the cooling medium from the human head and not restricting the wearer's movements.

[0025] In particular, for use as a medical head cooling device, when worn on the human head, the escape of cold air from the surface material 2 due to the cooling medium is suppressed, efficiently cooling the surface of the human head, and providing excellent cooling performance such as long-term cooling maintenance performance. Furthermore, the detachment of the cooling medium from the human head is suppressed, so the wearer's movements are not restricted, and it provides a comfortable fit, thus achieving a "long-term cooling maintenance and comfortable fit effect." Furthermore, in anticancer drug therapy, it is generally known that cooling the scalp surface and / or the skin where hair grows has a hair loss inhibitory effect, thereby suppressing hair loss caused by anticancer drugs administered to cancer patients in their chemical treatment. Therefore, when used on patients who have received anticancer drugs, it becomes possible to efficiently cool the scalp surface and / or the skin where hair grows, and as a result, the blood vessels near the hair follicles and / or hair roots constrict, reducing blood flow and decreasing the amount of anticancer drugs administered to cancer patients in their chemical treatment flowing to the hair follicles and / or hair roots, thereby providing a "hair loss inhibitory effect" that can be expected to suppress hair loss caused by anticancer drugs.

[0026] Furthermore, when the head cooling device of the present invention is attached to the human head, the wearer does not experience an unpleasant feeling of excessive coldness, the device can be worn for a long period of time, and the temperature at which the surface of the human head can be efficiently cooled is defined as the "comfortable cooling temperature." This "comfortable cooling temperature" is defined as being in the range of approximately 2°C to approximately 15°C, and the duration for which this "comfortable cooling temperature" is maintained is defined as the "duration of the comfortable cooling temperature." [Brief explanation of the drawing]

[0027] [Figure 1] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 2] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 3] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 4] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 5] A schematic diagram of the cross-sectional structure of a cooling medium that constitutes a head cooling device according to one embodiment of the present invention. [Figure 6] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 7] A schematic diagram of the cross-sectional structure of a cooling medium that constitutes a head cooling device according to one embodiment of the present invention. [Figure 8] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 9] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 10] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 11] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 12] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 13] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 14] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 15] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Figure 16] A schematic plan view illustrating the configuration of the cooling medium in a head cooling device according to one embodiment of the present invention. [Figure 17] A schematic plan view illustrating the configuration of a cooling medium and a cooling medium storage bag in a head cooling device according to one embodiment of the present invention. [Figure 18] A schematic plan view illustrating the configuration of a surface member, a cooling medium, and a cooling medium storage bag that constitute a head cooling device according to one embodiment of the present invention. [Figure 19] A schematic plan view illustrating the configuration of a surface member, a cooling medium, and an internal member for preventing overcooling, which constitute a head cooling device according to one embodiment of the present invention. [Figure 20]A photographic diagram illustrating the morphology of a void-forming member for suppressing overcooling, which is configured in a head cooling device according to one embodiment of the present invention. [Figure 21] A schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. [Best Mode for Carrying Out the Invention]

[0028] <Basic configuration of a head cooling device 1> Figures 1, 2, and 3 show schematic diagrams illustrating the configuration of a head cooling device according to one embodiment of the present invention. Figures 1(B), 2(B), and 3(B) are schematic plan views of a head cooling device as seen from the inner surface of the head cooling device; Figures 1(A), 2(A), and 3(A) are schematic cross-sectional views showing a cross-section along line AA in Figures 1(B), 2(B), and 3(B); and Figures 1(C), 2(C), and 3(C) are schematic side views of a head cooling device as seen from the side of the head cooling device.

[0029] As shown in Figures 1, 2, and 3, the head cooling device of the present invention is a head cooling device that can be worn to cover the head of a person, and comprises a surface member 2 that can be worn to cover the head of a person, and a cooling medium 3 installed on the inner surface side of the surface member, wherein the surface member 2 is a heat insulating surface member 2a having heat insulating properties in at least the front-back direction, and when worn to cover the head of a person, the cooling medium 3 is positioned between the surface member and the head of the person, and is configured to cool the head of the person.

[0030] This configuration provides a head cooling device that exhibits the following effects: [Effect A: When worn on the human head, the escape of cold air from the surface member 2 due to the cooling medium is suppressed, efficiently cooling the surface of the human head, and providing excellent cooling performance such as a "comfortable cooling temperature duration" that maintains a comfortable cooling temperature for a long period of time, as well as a "long-term cooling maintenance and comfortable wearing effect" such as suppressing the detachment of the cooling medium from the human head and not restricting the wearer's movements.] For example, the above effects can be obtained by wearing the head cooling device of the present invention over the head during a hot summer or outdoors in direct sunlight. For example, when experiencing a fever caused by an illness, the above effects can be obtained by covering the head with the head cooling device of the present invention. For example, the above effects can be obtained by wearing the head cooling device of the present invention over the head while working or studying.

[0031] Preferably, when the head cooling device is attached to the human head, the temperature of the inner surface of the head cooling device is in the range of 2°C to 15°C, and the head cooling device can be implemented that maintains this temperature of 2°C to 15°C for 120 minutes or more. In other words, when a head cooling device is attached to the human head, it is preferable that the "comfortable cooling temperature" is in the range of 2°C to 15°C and that the "comfortable cooling temperature duration" is maintained for 120 minutes or more.

[0032] In the above-described head cooling device, preferably, when worn to cover the human head, the surface member 2 has a substantially semi-spherical hollow shape that can cover at least the top of the human head, and the cooling medium 3 is formed to cover at least the area of ​​the human head where hair grows.

[0033] Its use is not limited to cooling the head in everyday life as described above; it can also be used by patients undergoing treatment for illnesses such as cancer. Generally, it is known that hair loss occurs when the hair follicles and roots, located near the blood vessels around the hair, absorb the therapeutic drugs administered during chemotherapy for cancer treatment, etc. It is also known that cooling the scalp constricts the blood vessels around the hair follicles and roots, thereby inhibiting the absorption of therapeutic drugs into the hair follicles and roots, and thus inhibiting hair loss. A head cooling device, in which the cooling medium 3 is formed to be attachable so as to cover at least the area of ​​the head where hair grows when attached to the head, can efficiently cool the head surface and / or scalp where hair grows when attached to the head. As a result, it can constrict blood vessels near the hair follicles and / or hair roots, reducing blood flow and decreasing the amount of anticancer drugs administered to cancer patients for chemical treatment that flow to the hair follicles and / or hair roots. This is expected to suppress hair loss caused by anticancer drugs.

[0034] In other words, the configuration of the head cooling device of the present invention provides, in anticancer drug treatment, [Effect I-a: When worn on the human head, the escape of cold air from the surface member 2 due to the cooling medium is suppressed, efficiently cooling the surface of the human head, and having excellent cooling performance such as long-term cooling maintenance performance, and furthermore, the detachment of the cooling medium from the human head is suppressed, the wearer's movements are not restricted, and it has a comfortable fit, thus achieving a "long-term cooling maintenance and comfortable fit effect", and in particular, by cooling the surface of the head and / or scalp where hair grows, It is known that this device has a hair loss inhibitory effect that suppresses hair loss caused by anticancer drugs administered in the chemical treatment of cancer patients. Therefore, when used on patients who have been administered anticancer drugs, it is possible to efficiently cool the surface of the head and / or the scalp where hair grows, and as a result, the blood vessels near the hair follicles and / or hair roots are constricted, reducing blood flow and decreasing the amount of anticancer drugs administered in the chemical treatment of cancer patients flowing to the hair follicles and / or hair roots, thereby providing a "hair loss inhibitory effect" that can be expected to suppress hair loss caused by anticancer drugs.

[0035] In this invention, "the inner surface side of the surface member" means "the side of the surface member that is located on the human head side when the head cooling device is attached to the human head."

[0036] <Regarding surface materials> In the head cooling device of the aforementioned "basic configuration 1" of the present invention, the following configuration is preferably provided. [Dependency Structure 2] The heat-insulating surface member 2a comprises a material having at least a heat-conducting heat-insulating material that has the function of suppressing heat conduction, and / or a metal film radiant heat-insulating material that has the function of blocking heat by radiation, and / or a radiant heat-conducting heat-insulating material that has the function of suppressing heat conduction and blocking heat by radiation, and / or a heat-insulating fabric material. The above-mentioned heat-conducting insulating material is a heat-conducting insulating material that has the function of suppressing heat conduction of at least one of the following: (i) a foamed plastic material, (ii) a heat-insulating nonwoven fabric material, and (iii) a laminated nonwoven fabric material formed by laminating multiple nonwoven fabrics. The above-mentioned metal film radiant heat insulating material is a metal film radiant heat insulating material that performs the function of blocking heat by radiation from at least one of the following: (iv) a metal foil material, (v) a metal thin film material formed by metal vapor deposition, and (vi) a metal thin film material with a substrate on which a metal thin film is attached and formed on a plastic film substrate, a sheet-like nonwoven fabric substrate, or a sheet-like cloth substrate. The above-mentioned radiant heat conduction thermal insulation material is a radiant heat conduction thermal insulation material that performs both the function of suppressing heat conduction and the function of blocking heat by radiation, at least one of the following: (vii) a metal film attached insulating nonwoven fabric material obtained by attaching a metal film to a cotton-like insulating nonwoven fabric; (viii) a metal film attached insulating nonwoven fabric material obtained by attaching a metal film to a felt substrate or a needle-punched substrate; and (ix) a metal film attached flexible foamed plastic material obtained by attaching a metal film to a flexible foamed plastic.

[0037] The above-mentioned heat-insulating fabric material with a thickness of approximately 0.3 mm or more is at least one of the following heat-insulating fabric materials with a thickness of approximately 0.3 mm or more: (x) felt material with a thickness of approximately 0.3 mm or more, (xi) needle-punched material with a thickness of approximately 0.3 mm or more, (xii) napped fabric material with a thickness of approximately 0.3 mm or more, (xiii) thick woven fabric material with a thickness of approximately 0.3 mm or more, and (xiv) thick woolen fabric material prepared from yarn with a thickness of approximately 0.3 mm or more. The heat-insulating surface member 2a has the function of suppressing the escape of cold air caused by the cooling medium 3 to the surface side of the surface member 2.

[0038] This configuration provides the above-mentioned effect A (long-term cooling maintenance and comfortable fit effect), as well as a particularly significant improvement in the long-term cooling maintenance performance, resulting in "long-term cooling maintenance and comfortable fit effect, and further cooling maintenance performance effect."

[0039] Generally, the thermal conductivity of ordinary plastic materials such as polyethylene, polystyrene, polyurethane, and silicone rubber is approximately 0.15 W / mK to 0.35 W / mK. In contrast, the thermal conductivity of foamed plastic materials, which are formed by foaming these plastics to create porous materials with numerous microbubbles, is approximately 0.025 W / mK to 0.08 W / mK. In other words, foamed plastic molding materials have a lower thermal conductivity than ordinary non-foamed plastic molding materials and are used as thermally conductive insulating materials with excellent heat insulation performance. For example, the thermal conductivity of polyethylene is approximately 0.2 to 0.3 W / mK, and the thermal conductivity of silicone rubber is approximately 0.3 to 0.4 W / mK. Furthermore, nonwoven and woven fabrics made from fibers such as polyester, polyamide, and polyacrylic, or natural fibers such as wool and cotton, generally have lower thermal conductivity and superior heat insulation performance compared to block-formed materials of these materials, due to the fact that these fibers are intertwined and have fine voids.

[0040] (i) As a thermal conductive insulating material, a foamed plastic material can be used, for example, a foamed plastic material made of plastic having a large number of fine open or closed cells. (ii) As the thermal insulation nonwoven fabric material, a nonwoven fabric material can be used that is formed into a sheet by bonding short fibers such as polyester short fibers, polyamide (nylon) short fibers, polyolefin short fibers, acrylic short fibers, cotton, wool, felt, and other short fibers in a cotton-like manner, and has a desired configuration with the desired void ratio, bulk density, thickness, basis weight, etc. (iii) As a laminated nonwoven fabric material made by laminating multiple nonwoven fabrics, a laminated nonwoven fabric material made by laminating two or more nonwoven fabrics made of the above-mentioned short fibers can be used. In addition to the above, for example, a microporous fiber material can be used, which is made by weaving or knitting fibers (long fibers) that have formed hollow spaces with fine pores in a desired manner. Such heat-conducting insulating materials have the property of suppressing heat conduction in the front-to-back direction of the sheet. Therefore, a sheet made of heat-conducting insulating material traps the cold air from the cooling medium inside due to the low thermal conductivity of the heat-conducting insulating material, and suppresses the escape of cold air to the outside. As a result, the head cooling device described above, "Effect B: Having Effect A, and also having superior long-term cooling maintenance performance, comfortable wear, and further cooling maintenance performance," is obtained.

[0041] Metal film radiant insulation materials are insulating materials that block heat through radiation. (iv) As the metal foil material used as a metal film radiant heat insulating material, for example, aluminum foil formed from aluminum or metal foil formed from other metals can be used. The thickness of these metal film radiant heat insulating materials is not particularly limited, but for example, about 1 to 100 μm is preferred. (v) As the metal thin film material formed by metal deposition, for example, an aluminum-deposited thin film formed by the deposition of aluminum, or a metal-deposited thin film formed by the deposition of other metals can be used. The thickness of these metal film radiant heat insulating materials is not particularly limited, but for example, an ultrathin film of less than about 1 μm is preferred. (vi) As the substrate-attached metal thin film material, for example, an aluminum thin film attached nonwoven fabric obtained by attaching an aluminum thin film to a thin cloth-like nonwoven fabric sheet, an aluminum thin film attached plastic sheet obtained by attaching an aluminum thin film to a thin plastic sheet, an aluminum thin film attached woven fabric obtained by attaching an aluminum thin film to a cloth-like woven fabric, or an aluminum vapor-deposited film material obtained by directly vapor-depositing an aluminum vapor-deposited film onto a substrate as the aluminum thin film. Such metal film radiant insulation materials have good thermal conductivity that transmits heat well in the planar direction, and the smooth, planar metal sheet has radiant properties that reflect heat. Therefore, a sheet made of metal film radiant insulation material suppresses variations in the planar direction of cold air by uniformly conducting the cold air emitted from the cooling medium in the planar direction on the metal surface, and also has the effect of trapping the cold air from the cooling medium inside through radiation from the metal surface, thereby suppressing the escape of cold air to the outside. As a result, the aforementioned "Effect B: Effect A" is obtained, and furthermore, a head cooling device is obtained that has excellent long-term cooling maintenance performance and comfortable wear, as well as further cooling maintenance performance.

[0042] Radiant heat conduction thermal insulation materials are insulating materials that perform both functions: suppressing heat conduction and blocking heat through radiation. As a radiant heat conduction thermal insulation material, for example, an aluminum vapor-deposited film-coated thermal insulation nonwoven fabric material is preferably made by forming an aluminum vapor-deposited film on a sheet made of the above-mentioned thermal conduction thermal insulation material, that is, (vii) a metal thin film-coated thermal insulation nonwoven fabric material is preferably made by adhering a metal thin film to a cotton-like thermal insulation nonwoven fabric. Furthermore, for example, (viii) a metal thin film-attached heat-insulating nonwoven fabric material can also be implemented, which is formed by attaching a metal thin film to a felt substrate or a needle-punched substrate. Furthermore, for example, as (ix) flexible foamed plastic material with a metal vapor deposition film, for example, a flexible foamed plastic material with an aluminum vapor deposition film obtained by vapor-depositing an aluminum thin film onto the above-mentioned flexible foamed plastic, or a flexible foamed plastic material with a metal vapor deposition film obtained by vapor-depositing a desired metal film onto the above-mentioned flexible foamed plastic can be used. The thickness of the metal thin film is not particularly limited, but for example, a metal vapor-deposited film or a metal foil thin film with a thickness of about 1 μm or less is more preferably used.

[0043] In other words, the radiant heat conduction thermal insulation material is constructed by laminating a thermal conduction thermal insulation material and a metal film radiant heat insulation material. The lamination configuration can be one in which the metal film radiant heat insulation material is directly deposited onto the surface of the thermal conduction thermal insulation material, or one in which the thermal conduction thermal insulation material and the metal film radiant heat insulation material are laminated together by a bonding means. Such radiant heat conduction thermal insulation materials have the property of suppressing heat conduction in the front-to-back direction caused by the aforementioned thermal conduction thermal insulation material, as well as the thermal conductivity that allows heat to be transferred well in the planar direction, caused by the metal film radiant insulation material. Furthermore, the metal sheet formed on a smooth plane has radiant properties that reflect heat. Therefore, a sheet made of radiant heat conduction thermal insulation material has the effect of trapping the cold air from the cooling medium inside due to the low thermal conductivity of the thermal conduction thermal insulation material, thereby suppressing the escape of cold air to the outside, and the effect of uniformly conducting the cold air emitted from the cooling medium in the planar direction on the metal surface due to the metal film radiant insulation material, thereby suppressing variations in the planar direction of cold air, and trapping the cold air from the cooling medium inside due to radiation from the metal surface, thereby suppressing the escape of cold air to the outside. As a result, the above-mentioned "Effect B: Effect A" is obtained, and furthermore, a head cooling device that exhibits superior long-term cooling maintenance performance and comfortable wear, as well as further cooling maintenance performance.

[0044] The heat-insulating fabric material is similar to the heat-conducting heat-insulating material described above, but it is a heat-conducting heat-insulating material that specifically has a fabric form, and the following fabric materials can be used. (x) For felt materials with a thickness of approximately 0.3 mm or more, a sheet-like compressed fabric material is used in which short fibers of the aforementioned natural or synthetic fibers are intertwined and felted. Felt material is a type of nonwoven fabric. (xi) For needle-punched materials with a thickness of approximately 0.3 mm or more, sheet-like compressed fabric manufactured by the needle-punching method is used. Needle-punched material is a type of nonwoven fabric that is formed into a felt-like material by compressing short fibers with a machine equipped with many needles. (xii) As a napped fabric material with a thickness of approximately 0.3 mm or more, for example, a napped fabric material made of natural fibers or a napped fabric material made of synthetic fibers with a thickness of approximately 0.3 mm or more, which is knitted in a predetermined knitting form using wool, cotton, polyacrylic fibers, polyester fibers, rayon fibers, etc., to have a napped surface. (xiii) Thick woven fabric materials of approximately 0.3 mm or more are woven fabrics that are made using general-purpose fibers and are produced in a plain weave, stretch weave, or other specified knitting form, and are woven to a thick thickness. These napped fabrics, felt, needle-punched fabrics, and thick woven fabrics tend to have poor heat insulation properties when their thickness is less than approximately 0.3 mm. (xiv) As a thick yarn fabric prepared with yarn of approximately 0.3 mm thickness or more, yarn fabrics prepared using acrylic fibers, wool fibers, polyester fibers, polyamide fibers, cotton fibers, and other general-purpose fibers are possible. In particular, stretchable yarn fabrics knitted to be elastic are preferably possible. Such heat-conducting insulating materials have the property of suppressing heat conduction in the front-to-back direction of the sheet. Therefore, a sheet made of heat-conducting insulating material traps the cold air from the cooling medium inside due to the low thermal conductivity of the heat-conducting insulating material, and suppresses the escape of cold air to the outside. As a result, the head cooling device described above, "Effect B: Having Effect A, and also having superior long-term cooling maintenance performance, comfortable wear, and further cooling maintenance performance," is obtained.

[0045] In the above description, each term has the following meaning: Thermally conductive insulating materials and insulating fabric materials with a thickness of approximately 0.3 mm or more are materials that have the property of low thermal conductivity in the direction of the front and back of the material. "An insulating surface material having insulating properties in both the front and back directions" is a material that has higher insulating properties (in other words, lower heat conduction) than general-purpose materials such as gauze, plain weave fabrics, thin nonwoven fabrics like paper, and thin plastic sheets. "Foamed plastic material" is a material having numerous tiny foamed voids, and can be manufactured with open-cell or closed-cell structures. Furthermore, this foamed plastic material has lower thermal conductivity, i.e., better thermal insulation properties, compared to non-foamed materials. Cotton-like insulating nonwoven fabric material is a material in which numerous short fibers and / or short fibers are intertwined in a bulky, cotton-like manner, and have numerous voids. Compared to thin, sheet-like nonwoven fabric materials, it has low thermal conductivity, i.e., good insulating properties. The term "metallic thin film material" refers to, for example, a metal vapor-deposited thin film formed by vapor deposition, a metal thin film formed by mechanical thinning treatments such as stretching, drawing, or rolling of metal, or a sheet-like metallic material with a thickness of approximately 1 μm or less manufactured by other methods. The term "metal foil material" refers to a sheet-like metallic material with a thickness of approximately 1 μm to 100 μm, manufactured from, for example, aluminum or other metals.

[0046] In the head cooling device of the aforementioned "basic configuration 1" or "dependent configuration 2" of the present invention, the following configuration is preferably provided. [Dependency Structure 3] The surface member 2 comprises at least a plastic foamed molded material 2b that is processed and formed into a substantially hemispherical hollow shape, and the plastic foamed molded material 2b is formed in a shape that has shape retention properties that maintain the substantially hemispherical hollow shape. The plastic foam molding material 2b is characterized in that it is at least one plastic foam molding material selected from the group consisting of polystyrene foam molding material, polypropylene foam molding material, polyacrylic foam molding material, polyurethane foam molding material, urea resin foam molding material, polyolefin resin foam molding material, polyethylene foam molding material, ethylene-vinyl acetate copolymer foam molding material, polyethylene copolymer foam molding material obtained by copolymerizing ethylene monomer with other vinyl monomers, polyvinyl acetate foam molding material, natural rubber foam molding material, nitrile rubber foam molding material, nitrile-butadiene rubber foam molding material, chloroprene rubber foam molding material, silicone rubber foam molding material, ethylene-propylene rubber foam molding material, polyvinyl chloride foam molding material, and polyvinyl alcohol foam molding material. As the plastic foam molding material 2b, a plastic foam molding material having a porous form with numerous fine voids and having thermal insulation properties with lower thermal conductivity compared to conventional plastic molding materials is preferred. Furthermore, as the plastic foam molding material 2b, polyethylene-based foam molding materials containing plasticizers, colorants, preservatives, antibacterial agents, foaming agents, and other additives in addition to these polymers can be implemented.

[0047] This configuration provides a head cooling device that offers the aforementioned "Effect A" and / or "Effect B," as well as "Effect C: When worn on the head, the lightweight nature of the plastic foam material provides a comfortable fit without feeling any weight, and the plastic foam material with a shape-retaining, approximately hemispherical, hollow shape allows the cooling medium to maintain its shape while being held and maintained, and furthermore, the heat insulation properties of the plastic foam material provide superior cooling maintenance performance for extended periods, resulting in a head cooling device that offers comfortable cooling medium retention, comfortable wear performance, and even longer-lasting cooling performance."

[0048] As the plastic foam molding material 2b, a closed-cell plastic foam molding material having closed cells or a continuous-cell plastic foam molding material having open cells can be implemented. In particular, a closed-cell plastic foam molding material having closed cells is preferably implemented as the plastic foam molding material 2b. As surface member 2, a head cooling device equipped with a closed-cell foamed plastic molding material having closed cells provides "Effect H-a: Because a closed-cell foamed plastic molding material having closed cells generally contains more air bubbles than ordinary plastic molding materials, the surface member made of the closed-cell foamed plastic molding material is lightweight, has airtightness with no air permeability in the front-back direction due to its closed-cell structure, has thermal insulation properties with low thermal conductivity due to the large number of closed cells, and feels warm to the touch without feeling cold. Therefore, due to these properties, when worn on the head, it feels light and comfortable, allowing for long-term wear without fatigue, and provides a warm feeling without feeling cold. In particular, due to its excellent thermal insulation performance, it provides a long-lasting cooling effect that maintains cooling performance for extended periods."

[0049] Furthermore, "approximately hemispherical hollow shape" refers to a shape that, in its overall appearance, has the external shape of an approximate hemisphere, with a hollow interior that forms an opening. In other words, "approximately hemispherical hollow shape" has the overall appearance of a hemisphere, semi-ellipsoid, etc., and has a shape similar to a conventional hat worn to cover the human head. Furthermore, the surface shape of the surface member having a roughly hemispherical hollow shape is not particularly limited, and a roughly hemispherical hollow shape can be implemented with any desired surface shape, such as a surface shape with irregularities, a smooth surface shape without irregularities, or a surface shape with partial irregularities.

[0050] In the head cooling device of the aforementioned "basic configuration 1," "dependent configuration 2," or "dependent configuration 3" of the present invention, the following configuration is preferably provided. [Dependency Structure 4] The surface member 2 has a substantially hemispherical hollow shape, and is characterized by being formed with elasticity and flexibility such that it can be stretched and fitted by extending in the direction around the opening of the substantially hemispherical hollow shape and / or in the direction of the surface of the hemispherical hollow shape when it is fitted to cover the head of a human body, and can be contracted in the direction around the opening of the substantially hemispherical hollow shape when it is fitted to cover the head of a human body. Particularly preferable is a configuration in which, when the head cooling device is worn covering the human head, the stretchable and flexible properties of the surface member 2 are utilized to compress the cooling medium 3 toward the human head, thereby preventing the surface member 2 and the cooling medium 3 from falling off the human head.

[0051] As the stretchable and flexible surface member 2 having elasticity and flexibility, it is preferable to implement a configuration in which at least one surface member is selected from the group consisting of the surface members (i) to (vii) below. (i) A stretchable and flexible foamed plastic surface member made of a stretchable and flexible plastic material, which is molded and / or formed into a substantially hemispherical hollow shape. (ii) A stretchable and flexible molded plastic surface member made of a stretchable and flexible plastic material and / or formed into a substantially hemispherical hollow shape. (iii) A stretchable and flexible film-like molded plastic surface member made from a stretchable and flexible plastic material, which is formed into a film-like and substantially semi-spherical hollow shape. (iv) A woven surface member formed using long fibers and employing a special knitting or weaving method to provide elasticity and flexibility. (v) A woven surface member formed to be stretchable and flexible using stretchable long fibers. (vi) A nonwoven surface member manufactured using short fibers as the main raw material, with a modified fiber entanglement pattern to provide elasticity and flexibility. (vii) A through-hole forming surface member that is stretchable and flexible by devising a form having many and / or countless through-holes on a plane, such as a mesh form, a network form, or a form with many through-holes.

[0052] With a head cooling device equipped with a stretchable and flexible surface member 2 having the above-mentioned stretchability and flexibility, when the head cooling device is attached to the human head, the surface member is stretched while being attached to the human head, and when the surface member 2 is attached to the human head, the stretched surface member 2 shrinks back to its original shape and is attached. In this way, the head cooling device can be attached to the human head, and with this configuration, the above-mentioned "Effect A" and / or "Effect B" are obtained, as well as "Effect D: When the head cooling device is attached to cover the human head, it is attached in a stretched state, and after attachment, the surface member shrinks back to its original shape, thereby suppressing the detachment of the head cooling device, such as the surface member 2 and the cooling medium 3, from the human head, and in particular the effect of suppressing the detachment of the cooling medium 3 from the human head is further improved."

[0053] Particularly preferable is a configuration in which, when the head cooling device is worn covering the human head, the surface member 2 compresses the cooling medium 3 toward the human head. This configuration provides the effect of "Effect D-a: In addition to achieving the aforementioned "Effect D," when the head cooling device is worn covering the head while the surface member 2 compresses the cooling medium 3 toward the head, the distance between the cooling medium and the head is shortened. As a result, the effect of transmitting the cold air from the cooling medium to the head is significantly improved, and as a result, the effect of cooling the head is significantly improved."

[0054] In the head cooling device of the above-mentioned "basic configuration 1" to "dependent configuration 4" of the present invention, the following configuration is preferably provided. [Dependency Structure 5] The surface member 2 comprises a plastic foam molding material 2b that has elasticity and flexibility and shape retention properties that maintain a substantially hemispherical hollow shape, and is characterized in that the surface member 2 is formed to be able to stretch and be attached in the direction of the circumferential direction of the substantially hemispherical hollow opening and / or in the direction of the hemispherical hollow surface when it is attached to cover the head of a human body, and is also able to be reduced in the direction of the circumferential direction of the circumferential direction of the circumferential direction of the substantially hemispherical hollow opening and / or in the direction of the hemispherical hollow surface when it is attached to cover the head of a human body.

[0055] Particularly preferable is a configuration in which, when the head cooling device is worn covering the human head, the surface member 2 is formed to compress the cooling medium 3 toward the human head.

[0056] In the head cooling device of the above-mentioned "basic configuration 1" to "dependent configuration 5" of the present invention, the following configuration is preferably provided. [Dependency Structure 6] The surface member 2 comprises a plastic foam molding material 2b that has elasticity and flexibility and shape retention properties that maintain a substantially hemispherical hollow shape, and the plastic foam molding material 2b that has elasticity and flexibility and shape retention properties that maintain a substantially hemispherical hollow shape is characterized by being at least one plastic foam molding material selected from the group consisting of polyolefin resin foam molding materials, polyethylene foam molding materials, ethylene-vinyl acetate copolymer foam molding materials, polyethylene copolymer foam molding materials obtained by copolymerizing polyethylene with other vinyl monomers, polyvinyl acetate foam molding materials, natural rubber foam molding materials, nitrile rubber foam molding materials, nitrile-butadiene rubber foam molding materials, chloroprene rubber foam molding materials, silicone rubber foam molding materials, ethylene-propylene rubber foam molding materials, polyvinyl chloride foam molding materials, polyvinyl alcohol foam molding materials, polypropylene foam molding materials, polyurethane foam molding materials, polyacrylic foam molding materials, ethylene-propylene diene rubber foam molding materials, and ester-based elastomer foam molding materials. Furthermore, as the above-mentioned plastic foam molding material 2b, polyethylene-based foam molding materials containing plasticizers, colorants, preservatives, antibacterial agents, foaming agents, and other additives in addition to these polymers can be implemented.

[0057] The foamed molding material made from polyolefin resin is not particularly limited, but examples of foamed molding materials that can be used include polyethylene, polypropylene, copolymer resins of ethylene and other vinyl monomers, copolymer resins of propylene and other vinyl monomers, etc. As a foamed molding material made of polyolefin resin, for example, a foamed molding material made of a copolymer resin of ethylene and α-olefin is preferably a foamed molding material having 1-octene, 1-hexene, 1-butene, etc. as the α-olefin. While the ester-based elastomer foam molding material is not particularly limited, a foam molding material using an ester-based elastomer as the base resin is preferably one that includes a hard segment composed of a dicarboxylic acid component and a diol component, and a soft segment composed of an aliphatic polyether and / or polyester. The ester-based elastomer foam molding material has a configuration such as that disclosed in Japanese Patent Application Publication No. 2018-172535.

[0058] With the configurations of "dependent configuration 5" and "dependent configuration 6" described above, the surface member 2 is equipped with a plastic foam molding material 2b that has elasticity and flexibility and shape retention properties that maintain a substantially hemispherical hollow shape, thereby having the aforementioned "effect a," "effect b," and / or "effect d (effect of suppressing the detachment of the head cooling device such as the surface member 2 and cooling medium 3 from the human head)," and the following effects are obtained. "Effects: When worn on the human head, the lightweight nature of the foamed plastic material provides a comfortable fit without feeling any weight. Furthermore, the foamed plastic material has a roughly semi-spherical hollow shape with shape retention properties, allowing it to maintain the shape of the cooling medium. In addition, the low thermal conductivity of the foamed plastic material provides excellent heat insulation, resulting in superior cooling maintenance performance over extended periods. Thus, a head cooling device is obtained that exhibits a comfortable cooling medium retention effect, a comfortable wearing performance effect, and an even greater long-term cooling maintenance performance effect." Furthermore, "Effect H-a: When the head cooling device is worn covering the human head, the surface member 2 compresses the cooling medium 3 toward the human head, thereby significantly improving the effect of preventing the surface member 2 and the cooling medium 3 from falling off the human head."

[0059] Particularly preferable is a configuration in which, when the head cooling device is worn covering the human head, the surface member 2 is formed to be able to compress the cooling medium 3 toward the human head. This configuration provides the following effect: "Effect H-b: In addition to achieving the aforementioned 'Effect H', when the head cooling device is worn covering the head while the surface member 2 compresses the cooling medium 3 toward the head, the distance between the cooling medium and the head is shortened. As a result, the effect of transferring the cold air from the cooling medium to the head is significantly improved, and consequently, the effect of cooling the head is significantly improved."

[0060] The plastic foam molding material 2b is a porous plastic foam molding material 2b having an extremely fine microstructure with a large number of extremely fine spherical foamed bubbles, for example, countless bubbles with a cell diameter of 1000 μm or less, preferably 500 μm or less, and more preferably 100 μm or less. In other words, the plastic foam molding material can also be said to be a plastic porous closed-cell foam molding material. The thickness of the plastic foam molding material having the foamed bubbles described above is preferably 0.5 to 15 mm, more preferably 1 to 10 mm, and even more preferably 1.5 to 8 mm.

[0061] As the thickness of the plastic foam molding material 2b decreases, its mechanical strength weakens and its ability to maintain its three-dimensional shape tends to decrease. In this respect, a plastic foam molding material 2b with a thickness of 0.5 mm or more is preferred. Also, as the thickness of the plastic foam molding material 2b increases, its weight increases, and when worn on the head, the surface material tends to feel heavy, which can cause discomfort. In this respect, a plastic foam molding material with a thickness of 15 mm or less is preferred. As the cell diameter of a single bubble in the foamed plastic molding material 2b increases, the mechanical strength tends to decrease, and a foamed plastic molding material having a cell diameter of 1000 μm or less per bubble is preferred.

[0062] In the head cooling device of the aforementioned "dependent configuration 5" or "dependent configuration 6" of the present invention, the following configuration is preferably provided. [Dependency Structure 9] The aforementioned plastic foam molding material 2b has a thermal conductivity of 0.1 W / mK or less according to the JIS A1412 measurement method, and / or an apparent density of 0.7 g / cm³ according to the JIS K6767 measurement method. 3 The following and / or the following properties are characterized by having a surface hardness of 70 degrees or less as measured by a durometer-hardness tester, SRIS0101 / ASKER-C type measurement method.

[0063] As the plastic foamed molding material 2b having foamed bubbles that constitute the surface member, a plastic foamed molding material 2b having a thermal conductivity of 0.1 W / mK or less, preferably 0.07 or less, and more preferably 0.05 or less, according to the JIS A1412 measurement method, is particularly preferred and feasible. Furthermore, for example, a soft plastic foam molding material 2b having a soft hardness, such as a surface hardness of 70 degrees or less, preferably 60 degrees or less, more preferably 50 degrees or less, and even more preferably 40 degrees or less, as measured by a durometer-hardness tester, SRIS0101 / ASKER-C type measurement method, is particularly preferred and feasible. A plastic foamed molded material 2b having a tensile strength of 0.1 MPa or higher, preferably 0.3 MPa or higher, and more preferably 0.5 MPa or higher, according to the JIS K6767 measurement method, is particularly preferred and feasible. Furthermore, a plastic foam molding material 2b having an apparent density of 0.7 g / cubic cm or less (JIS K6767), preferably 0.5 g / cubic cm or less, and more preferably 0.3 g / cubic cm or less, is particularly preferred and feasible. Note that "cubic cm" is "cm 3 It means "...".

[0064] This configuration yields the following effects. [Effect H-c]: In addition to achieving the aforementioned "Effect H," the configuration includes a foamed plastic molded material having bubbles with a thermal conductivity of 0.1 W / mK or less, and / or a hardness of 70 degrees or less, and / or a tensile strength of 0.1 MPa or more, so that when worn to cover the head of a human body, it can stretch and be worn by extending in the direction around the opening of the approximately hemispherical hollow shape and / or in the direction of the surface of the hemispherical hollow shape, and when worn to cover the head of a human body, it can stretch and be worn in the direction around the opening of the approximately hemispherical hollow shape and / or the semicircular The spherical hollow shape shrinks in the planar direction to allow it to adhere closely to the surface of the human head, and the surface member 2 compresses the cooling medium 3 toward the human head, forming the cooling medium 3 to adhere closely to the human head, suppressing the detachment of the cooling medium, and making it lighter in weight, allowing for comfortable wear for long periods without feeling heavy or causing fatigue, and furthermore, it has excellent cooling maintenance performance for extended periods, resulting in significantly improved cooling medium comfort retention effect, comfortable wear performance effect, and even better cooling maintenance performance for extended periods.

[0065] As the thermal conductivity of the plastic foam molding material increases, the cooling maintenance time for the head tends to decrease, and when the thermal conductivity exceeds 0.1 W / mK, it tends not to be possible to secure the desired cooling maintenance time. As the hardness of the plastic foam molding material increases, there is a tendency to feel physical pain in the head due to the hardness when the head cooling device is worn on the head, and when the hardness exceeds 70 degrees, the wearing comfort tends to be inferior. As the tensile strength of the plastic foam molding material decreases, it tends to become more prone to tearing when stretched during the attachment of a head cooling device to the human head. Furthermore, when the tensile strength is less than 0.1 MPa, the surface material tends to become more easily damaged. When a head cooling device is worn on the head, the comfort level tends to be worse as the apparent density of the plastic foam molding increases, resulting in a feeling of heaviness. Head cooling devices with a density exceeding 0.7 g / cubic cm tend to feel heavy and uncomfortable when worn on the head.

[0066] In particular, as the plastic foam molding material 2b, a plastic closed-cell foam molding material having closed cells is preferably feasible. The closed-cell foamed molding material made of plastic having closed cells is not particularly limited, but examples include polyethylene-based closed-cell foamed molding materials such as porous polyolefin resin foamed molding materials, porous polyethylene closed-cell foamed molding materials, ethylene-vinyl acetate copolymer foamed molding materials, and copolymer polymer foamed molding materials of ethylene and other vinyl polymers, as well as polyvinyl acetate closed-cell foamed molding materials, polystyrene closed-cell foamed molding materials, polyurethane closed-cell foamed molding materials, polypropylene resin closed-cell foamed molding materials, polyvinyl chloride closed-cell foamed molding materials, silicone rubber closed-cell foamed molding materials, polyacrylic closed-cell foamed molding materials, urea resin closed-cell foamed molding materials, and ethylene propylene diene rubber closed-cell foamed molding materials. In particular, as the closed-cell foamed plastic molding material having closed cells, an elastic closed-cell foamed plastic molding material is preferably applicable. Furthermore, as a closed-cell foamed plastic molding material having closed cells, a foamed molding material having at least closed cells is preferably applicable, and a foamed molding material having both closed and open cells is also preferably applicable.

[0067] By configuring a closed-cell foamed plastic material having the closed cells described above, [Effect H-d: By configuring a surface member formed from a closed-cell foamed plastic material having a specific thickness and closed-cell diameter, the above-described "Effect H" and "Effect H-a" are achieved, and in particular, it has excellent heat insulation performance due to its low thermal conductivity, thereby providing a cooling medium comfort retention effect and an even greater long-term cooling maintenance effect.

[0068] In the head cooling device of the above-mentioned "basic configuration 1" to "dependent configuration 5" of the present invention, the following configuration is preferably provided. "Dependency Structure 7" The surface member 2 comprises a plastic foamed molding material 2b that has elasticity and flexibility and shape retention properties that maintain a substantially hemispherical hollow shape, wherein the plastic foamed molding material 2b is preferably characterized in that it is at least one polyethylene-based foamed molding material or polyvinyl acetate foamed molding material selected from polyethylene foamed molding material mainly composed of polyethylene, ethylene-vinyl acetate copolymer foamed molding material, and polyethylene copolymer foamed molding material which is a copolymer polymer of ethylene and other vinyl monomers.

[0069] Polyethylene-based foamed molding materials belong to the category of polyolefin-based resin foamed molding materials and include polyethylene foamed molding materials with polyethylene as the main component, ethylene-vinyl acetate copolymer foamed molding materials with ethylene and vinyl acetate as the main component, polyethylene copolymer foamed molding materials with ethylene and other vinyl monomers as the main component, etc. Furthermore, as polyethylene-based foam molding materials and polyvinyl acetate foam molding materials, foam molding materials containing plasticizers, colorants, preservatives, antibacterial agents, foaming agents, and other additives can be implemented.

[0070] Polyethylene foam molding materials have excellent heat insulation properties, as well as moderate flexibility and elasticity, moderate resilience and recovery, and excellent mechanical strength against tension and tearing. Ethylene-vinyl acetate copolymer foam molding materials have superior flexibility and elasticity, moderate resilience and recovery compared to polyethylene foam molding materials. Polyvinyl acetate foam molding materials have even better flexibility and elasticity, moderate resilience and recovery compared to polyethylene foam molding materials and ethylene-vinyl acetate copolymer foam molding materials.

[0071] This configuration yields the following effects. [Effect H-e: Polyethylene-based foamed molding materials such as polyethylene foamed molding materials, ethylene-vinyl acetate copolymer foamed molding materials, polyethylene copolymer foamed molding materials, or polyvinyl acetate foamed molding materials possess properties such as lightness, excellent mechanical strength in terms of tension and tearing, excellent flexibility and elasticity, cushion elasticity with appropriate resilience and recovery, excellent shape retention that allows the material to return to its original three-dimensional shape from a deformed state, and excellent heat insulation performance due to foamed bubbles. These properties make it ideal as a head cooling device to be worn on the head, and in particular, it has an even greater long-term cooling maintenance effect due to its excellent heat insulation. As a result, a head cooling device is obtained that provides a comfortable cooling medium retention effect, a comfortable wearing performance effect, and an even greater long-term cooling maintenance performance effect.]

[0072] Particularly preferred is a closed-cell plastic foam molding material having closed cells as the plastic foam molding material 2b. As porous plastic closed-cell foam molding materials having closed cells, preferably, at least one polyethylene-based closed-cell foam molding material, and / or polyvinyl acetate foam molding material, is preferably implemented, among polyethylene-based closed-cell foam molding materials mainly composed of porous polyethylene having closed cells, ethylene-vinyl acetate copolymer foam molding materials, and polyethylene copolymer foam molding materials which are copolymers of ethylene and other vinyl monomers. The polyethylene-based closed-cell foam molding material and the polyvinyl acetate closed-cell foam molding material have a porous microstructure with a large number of extremely fine closed cells.

[0073] Furthermore, as the plastic foam molding material 2b, a plastic open-cell foam molding material having open cells can also be used, but a plastic open-cell foam molding material having closed cells is particularly preferred. The plastic closed-cell foam molding material has slightly better thermal insulation performance than the plastic open-cell foam molding material.

[0074] A polyethylene-based closed-cell foam molding material having closed cells, or a polyvinyl acetate foam molding material having closed cells, has a lower thermal conductivity (in other words, a higher thermal insulation performance) compared to a polyethylene-based open-cell foam molding material having open cells, or a polyvinyl acetate foam molding material having open cells. This makes it possible to obtain a head cooling device with a long-lasting cooling performance that can maintain a cooling effect for an even longer period of time. In other words, by providing a polyethylene-based closed-cell foamed molded material as the surface component, a head cooling device is obtained in which the effect of [Effect H-c] described above is exhibited even more significantly.

[0075] Polyethylene foam molding materials, such as polyethylene foam molding materials mainly composed of polyethylene, polyethylene copolymer foam molding materials which are copolymer polymers of ethylene and other vinyl monomers, or polyvinyl acetate foam molding materials, can be implemented as any of the following: a cross-linked polyethylene foam molding material, a polyvinyl acetate foam molding material, or a non-cross-linked polyethylene foam molding material that is not chemically cross-linked. Particularly preferred are cross-linked polyethylene foam molding materials that are chemically cross-linked, or cross-linked polyvinyl acetate foam molding materials that are chemically cross-linked. Cross-linked polyethylene foam molding material or cross-linked polyvinyl acetate foam molding material has a three-dimensional structure that is chemically cross-linked. Cross-linked polyethylene foam molding materials, or cross-linked polyvinyl acetate foam molding materials, which are chemically cross-linked, have superior properties in terms of elasticity and flexibility, such as tensile strength, compressive strength, recovery rate, and rebound modulus, compared to ordinary polyethylene foam molding materials or polyvinyl acetate foam molding materials that are not chemically cross-linked.

[0076] In other words, as the surface member 2, at least polyethylene-based foamed molding materials such as polyethylene foamed molding materials mainly composed of polyethylene, polyethylene copolymer foamed molding materials which are copolymer polymers containing ethylene and other vinyl monomers, or a cross-linked polyethylene-based closed-cell foamed molding material which is a closed-cell foamed molding material which is chemically cross-linked, or a cross-linked polyvinyl acetate closed-cell foamed molding material can be particularly preferably implemented.

[0077] The method for manufacturing a surface member 2 having a roughly hemispherical hollow shape made of foamed molding material into a three-dimensional shape is not particularly limited, but for example, a method of manufacturing a three-dimensional foamed molded body by filling a mold having a cavity of a predetermined three-dimensional shape with heated polymer raw material, or a method of manufacturing a foamed molded body of a predetermined three-dimensional shape by heating and pressing a plate-shaped foamed molded body while sandwiched between upper and lower molds having a predetermined three-dimensional shape, etc., can be used to manufacture a foamed molded body of a predetermined three-dimensional shape.

[0078] Table 1 shows the general physical properties of a cross-linked polyethylene-based closed-cell foam molding material and a cross-linked polyvinyl acetate closed-cell foam molding material, both of which can be used as surface components for head cooling devices.

[0079] [Table 1]

[0080] In the head cooling device of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configurations 5" of the present invention, the following configurations are preferably provided. "Subordinate Structure 8" The surface member 2 comprises a plastic foam molding material 2b that has elasticity and flexibility, as well as shape retention properties that maintain a substantially hemispherical hollow shape, and the plastic foam molding material 2b is a silicone rubber foam molding material.

[0081] This configuration yields the following effects. [Effect H-f]: The silicone rubber foam molding material possesses properties such as lightness, excellent mechanical strength in tensile and tearing, excellent flexibility and elasticity, cushioning elasticity with appropriate resilience and recovery, excellent shape retention that allows it to return to its original three-dimensional shape from a deformed state, and excellent heat insulation performance due to foam bubbles. It has all of the above properties that make it ideal as a head cooling device to be worn on the head, and in particular, it has an even longer cooling maintenance effect due to its excellent heat insulation, resulting in a head cooling device that provides a comfortable cooling medium retention effect, a comfortable wearing effect, and an even longer cooling maintenance effect.

[0082] As the silicone rubber foam molding material, a closed-cell silicone rubber foam molding material having a large number of microscopic closed cells, or a polyethylene-based open-cell silicone rubber foam molding material having a large number of microscopic open cells can be used. Particularly preferably, the plastic foam molding material 2b is a closed-cell plastic foam molding material having closed cells, and as the porous closed-cell plastic foam molding material having closed cells, a porous closed-cell silicone rubber foam molding material having closed cells is preferably implemented. The porous closed-cell plastic foam molding material having closed cells has a porous microstructure with a large number of extremely fine closed cells. The closed-cell silicone rubber foam molding material having closed cells has a lower thermal conductivity (in other words, a higher thermal insulation performance) compared to the open-cell silicone rubber foam molding material having open cells, and as a result, a long-term cooling maintenance performance effect that can maintain the cooling effect for an even longer period of time can be obtained. Furthermore, the closed-cell foamed molding material made of silicone rubber is a cross-linked type of closed-cell foamed molding material made of silicone rubber that is chemically cross-linked. In other words, by providing a closed-cell foamed material made of silicone rubber as a surface component, a head cooling device is obtained in which the effect of [Effect H-d] described above is exhibited even more significantly.

[0083] The method for manufacturing a surface member 2 having a roughly semi-spherical hollow shape made of foamed molding material into a three-dimensional shape is not particularly limited, but for example, a method of manufacturing a three-dimensional foamed molded body by filling a mold having a cavity of a predetermined three-dimensional shape with heated polymer raw material, or a method of manufacturing a foamed molded body of a predetermined three-dimensional shape by heating and pressing a plate-shaped foamed molded body while sandwiched between upper and lower molds having a predetermined three-dimensional shape, can be used to manufacture a closed-cell foamed molded material made of plastic.

[0084] Table 2 shows the general physical properties of one example of a silicone rubber foam molding material that can be used as a surface component for a head cooling device.

[0085] [Table 2]

[0086] In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configurations 9" of the present invention, the following configurations are preferably provided. "Dependency Structure 10" The surface member 2 has a surface member opening periphery protruding frame portion 21 formed on the inner surface side of the region surrounding the opening of the surface member 2, thereby forming a surface member inner surface recess of a predetermined depth surrounded by the surface member 2 and the surface member opening periphery protruding frame portion 21, and the cooling medium 3 is placed in the surface member inner surface recess.

[0087] Figure 4 is a schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. In Figure 4, the head cooling device is configured with a protruding frame portion 21 around the opening of the surface member. Also in Figures 1, 2, and 3, the protruding frame portion 21 around the opening of the surface member is configured. In Figures 1, 2, 3, and 4, the surface member 2 has a surface member opening peripheral projection frame portion 21 formed on the inner surface side of the area surrounding the substantially semi-spherical hollow opening of the surface member 2. As a result, the surface member 2 forms an inner surface recess of a predetermined depth, surrounded by the surface member 2 and the surface member opening peripheral projection frame portion 21, and the cooling medium 3 is placed in the inner surface recess of the surface member.

[0088] This configuration achieves the above-mentioned effects A through E, and furthermore, [Effect F: The cooling medium 3 can be held in a recess on the inner surface of the surface member, which is formed to a predetermined depth by being surrounded by the surface member 2 and the protruding frame portion 21 around the opening of the surface member, thereby suppressing the phenomenon of the cooling medium 3 falling out of the head cooling device].

[0089] In Figures 1 to 4, the surface member 2 has a substantially hemispherical hollow shape, and a surface member opening peripheral projection frame portion 21 is formed in the area surrounding the opening of the substantially hemispherical hollow shape. That is, the surface member 2 forms an inner surface recess of a predetermined depth, surrounded by the surface member 2 and the surface member opening peripheral projection frame portion 21. The surface member opening periphery protruding frame portion 21 is preferably formed integrally with the area surrounding the substantially hemispherical hollow opening of the surface member 2. Alternatively, the surface member opening periphery protruding frame portion 21 is configured as a separate member from the surface member 2, and the surface member 2 and the surface member opening periphery protruding frame portion 21 are joined together.

[0090] Preferably, the protruding frame portion 21 around the opening of the surface member can be configured to have both elasticity and flexibility. In this configuration, the protruding frame portion 21 around the opening of the surface member can be made of the same material as the surface member 2, and the protruding frame portion 21 around the opening of the surface member can be integrally formed with the surface member 2. This configuration provides the effect of [effect H-a: The protruding frame portion 21 around the opening of the surface member has an expandable and flexible configuration, which allows the protruding frame portion 21 around the opening of the surface member to expand and contract in the direction of the human head, enabling it to be compressed and / or closely adhere to the human head, thereby significantly suppressing the phenomenon of the cooling medium 3 falling off the head cooling device]. The protruding dimensions of the protruding frame portion 21 around the opening of the surface member are not particularly limited, but it is preferable to set them to exceed the thickness of the cooling medium. This further improves the effect of suppressing the cooling medium from falling off the surface member. It is also possible to implement a configuration in which the protruding frame portion 21 around the opening of the surface member is not formed. In this case, when the cooling device is attached to the head of a person, the cooling medium 3 is attached in a state where it is sandwiched between the head of the person and the surface member 2, thereby preventing the cooling medium 3 from falling off the head of the person.

[0091] The surface member 2 is preferably shaped to be large enough to cover and be worn over a human head when the cooling medium 3 and other components are assembled. For example, in a study of 50 adult men and women, the circumference of the head including the upper ear and the circumference of the head including the forehead were measured. The results showed that the circumference of the head including the upper ear was approximately 52 to 60 cm, the circumference of the head including the forehead was approximately 530 to 600 mm, the average circumference of the head including the upper ear was 562 mm, and the average circumference of the head including the forehead was 557 mm. Based on the circumference of the human head, the optimal inner circumference of the surface member 2 in a head cooling device with a cooling medium 3 having a thickness of approximately 10 mm is in the range of approximately 593 mm to approximately 663 mm, and the average inner circumference of the surface member 2 is approximately 625 mm. It is preferable to configure the surface member 2 to have an optimal inner circumference length corresponding to the thickness of the cooling medium 3 that makes up the component.

[0092] <About the cooling medium> In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configuration 10" of the present invention, the following configurations are preferably provided. "Dependency Structure 11" The cooling medium 3 is configured in the form of a sealed cooling medium in which the refrigerant 31 is filled in a flexible sealed container 32. The sealed cooling medium comprises at least one of the following: (a) a refrigerant-sealed cooling medium, (b) a plastic foam substrate refrigerant-impregnated sealed cooling medium, and (c) a cloth substrate refrigerant-impregnated sealed cooling medium. The (a) refrigerant-sealed cooling medium is a refrigerant-sealed cooling medium in which at least one refrigerant selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymers is filled into a flexible sealed container 32. The (b) plastic foam substrate refrigerant-impregnated sealed cooling medium is a plastic foam substrate refrigerant-impregnated sealed cooling medium in which a plastic foam substrate impregnates a plastic foam substrate with at least one refrigerant 31 selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer, and this plastic foam substrate impregnated cooling medium is filled into a sealed container. The cloth-based refrigerant-impregnated sealed cooling medium is a cloth-based refrigerant-impregnated sealed cooling medium in which a nonwoven fabric substrate and / or a woven fabric substrate are impregnated with at least one refrigerant 31 selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer, and the cloth-based refrigerant-impregnated cooling medium is filled into a sealed container. The sealed cooling medium 3 is installed on the inner surface side of the human head and / or surface member 2 while cooled to a desired temperature.

[0093] The above configuration provides the following effect: [Effect T-a: The configuration in which the refrigerant is filled into a flexible plastic film container makes it easy to design and manufacture the plastic film bag container in a desired shape, making it possible to design a refrigerant-sealed cooling medium in a desired shape that can cover and cool a desired area or the entire human head, and thus enabling efficient cooling of a desired area or the entire human head].

[0094] Furthermore, with the above configuration, [Effect T-b: By designing the type and mixing ratio of cooling media such as water, alcohol, polyhydric alcohol, and water-soluble polymers, it is possible to prepare a cooling medium with desired performance having solidification temperature, flow temperature, flexibility, viscosity, semi-solid shape, and cooling time maintenance performance, and a cooling medium that maintains soft flexibility even at low temperatures of -5°C or below can be prepared. In particular, it is possible to easily design a cooling medium that has at least one semi-solid shape among viscous, gel, jelly, and gel-like at approximately 25 to 37°C, and at least one semi-solid shape among viscous, gel, jelly, and gel-like at approximately 0°C, and in this case, when a head cooling device containing the cooling medium is worn, a soft, gentle feeling is obtained without feeling a hard discomfort on the human head, and a head cooling device that can cool the head comfortably can be obtained.]

[0095] Furthermore, the above configuration provides a head cooling device that exhibits the following effect: [Effect T-c: A sealed cooling medium consisting of a base material impregnated with a refrigerant such as water, alcohol, polyhydric alcohol, and water-soluble polymer, which is then impregnated into a plastic foam base material, a nonwoven fabric base material, and / or a woven fabric base material, is filled into a sealed container. Regardless of whether the refrigerant is in a substantially solid state when cooled or in a fluid liquid state when the temperature of the refrigerant rises, the thickness, size, and shape of the plastic foam base material, the nonwoven fabric base material, and / or woven fabric base material do not change. Therefore, the sealed cooling medium can maintain a predetermined shape, and a comfortable cooling effect can be further achieved.]

[0096] In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configuration 10" of the present invention, the following configurations are preferably provided. [Dependency Structure 12] A head cooling device is preferably implemented in which the cooling medium 3 is configured as a reusable sealed cooling medium in which the refrigerant 31 is filled in a flexible sealed container 32. The reusable sealed cooling medium comprises at least one of the following: (a) a refrigerant sealed cooling medium, (b) a plastic foam substrate refrigerant-impregnated sealed cooling medium, and (c) a cloth substrate refrigerant-impregnated sealed cooling medium. The above-mentioned (a) refrigerant-sealed cooling medium is a refrigerant-sealed cooling medium in which at least one refrigerant selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble high molecular weight is filled into a flexible sealed container 32. The (b) plastic foam substrate refrigerant-impregnated sealed cooling medium described above is a plastic foam substrate refrigerant-impregnated sealed cooling medium in which a plastic foam substrate impregnates a plastic foam substrate with at least one refrigerant 31 selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer, and this plastic foam substrate impregnated cooling medium is filled into a sealed container. The above (c) fabric-based refrigerant-impregnated sealed cooling medium is a fabric-based refrigerant-impregnated sealed cooling medium in which a nonwoven fabric substrate and / or a woven fabric substrate are impregnated with at least one refrigerant 31 selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer, and the fabric-based refrigerant-impregnated cooling medium is filled into a sealed container. The repeatable sealed cooling medium 3 is installed on the inner surface of the human head and / or surface material 2 while cooled to a desired temperature.

[0097] With the above configuration, a head cooling device is obtained that provides the above-mentioned "Effects T-a" and "T-b", and furthermore, a head cooling device that provides economical and repeatable use performance, such as easy repeated use, is obtained by configuring a reusable sealed cooling medium in the form of a sealed cooling medium in which a refrigerant that can be used repeatedly for cooling and heating is filled in a sealed container.

[0098] Figure 5 is a schematic diagram of the cross-sectional structure of a cooling medium configured in a head cooling device according to one embodiment of the present invention. Figure 5(A) shows a cooling medium 3 in which a predetermined refrigerant 31 is filled into a sealed container 32 made of flexible plastic film. In particular, the sealed container 32 made of plastic film is configured to have a size that allows one storage section to cover the entire head without being divided. This configuration is shown, for example, in the cross-section of the cooling medium 3 shown by line AA in Figure 1(B). Figure 5(B) shows a cooling medium 3 in which a predetermined refrigerant 31 is filled into a sealed container 32 made of a flexible plastic film. In particular, the sealed container 32 made of plastic film is divided into multiple parts, and each part of the cooling medium 3a, 3b, 3c, 3d, and 3e is large enough to cover the entire head. This configuration is shown, for example, in the cross-section of the cooling medium 3 shown by line AA in Figure 2(B). Figure 5(C) shows a cooling medium 3 in which a predetermined refrigerant 31 is filled into a sealed container 32 made of a flexible plastic film. In particular, the sealed container 32 made of plastic film is divided into multiple parts, and each part of the cooling medium 3h, 3i, 3j, 3m, and 3k is large enough to cover the entire top. This configuration is shown, for example, in the cross-section of the cooling medium 3 shown by line AA in Figure 3(B). Furthermore, it is preferable that each of these multiple divided cooling media has a cooling media connecting portion 35 that connects it to one another at a desired location, and that the cooling media connecting portion 35 is bendable and can be assembled into a substantially semicircular shape that matches the shape of the human head. Furthermore, the "multiple cooling media divided into multiple parts" mentioned above corresponds to the "multiple divided, connected, sealed cooling media" described later, and the "cooling media connecting part 35" corresponds to the "multiple divided, connected, sealed cooling media connecting part 35" described later.

[0099] The cooling medium 3 has a roughly hemispherical hollow shape that, when attached to the head of a person, can cover the entire head, including the top of the head, or a desired area of ​​the head. It is preferably large enough to cover the entire head without causing a strong feeling of pressure on the head, and its thickness is preferably 3 to 20 mm, preferably 5 to 17 mm, and more preferably 7 to 15 mm. If the thickness of the cooling medium 3 is less than 3 mm, the total amount of cooling medium is insufficient, which tends to result in poor long-term cooling and reduced cooling effect on the head. If it exceeds 20 mm, it tends to feel heavy when worn on the human head, resulting in poor wearing comfort.

[0100] In the above-described [dependent configuration 11] and [dependent configuration 12], the sealed container for filling with refrigerant is not particularly limited, but for example, a bag container made of flexible plastic film, or a bag container made of metal thin film laminated plastic film containing a flexible metal thin film laminate, can be used, and a container that does not deteriorate or break even with repeated use for cooling in a freezer and for wearing on the human body can be used. In particular, a bag container made of plastic film that can be sealed and sealed by heat welding is preferred, which makes it possible to easily mass-produce bag containers of any shape. Furthermore, a sealed cooling medium can be manufactured by dividing it into multiple parts by heat welding and connecting them to each other using such a bag container made of plastic film. For example, a flexible plastic laminate film bag container can be used, in which the inner layer is made of heat-sealable polyethylene or polypropylene, and the outer layer is made of polyamide (nylon) or polyester (polyethylene terephthalate) with high mechanical strength. However, it is not limited to this, and plastic laminate film bag containers using polyvinyl chloride, aluminum vapor-deposited film, etc., can also be used. The inner polyethylene layer or inner polypropylene layer is heat-sealable, allowing film bag containers of any shape to be formed by heat sealing. Plastic films with printed characters, patterns, or designs on the outer layer or intermediate layer of the surface material can also be used. Printing information such as the type of cooling medium and how to use it improves user convenience.

[0101] (a) As a refrigerant-sealed cooling medium in which at least one refrigerant selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer is filled into a flexible sealed container 32, the following refrigerant-sealed cooling mediums are preferably implemented. (ai) A water-soluble polymer sealed cooling medium containing at least water and a water-soluble polymer, housed in a sealed container, for example, a medium in which polyacrylic acid, sodium polyacrylate, polyvinyl alcohol, carboxymethylcellulose, carboxyethylcellulose, their crosslinked polymers, their copolymers, etc. are dissolved in water, or a cooling medium containing these water-soluble polymers that retain water can be used. (a-ii) A polyhydric alcohol sealed cooling medium in which a medium containing at least a polyhydric alcohol is stored in a sealed container, for example, a medium containing polyhydric alcohols such as ethylene glycol, butylene glycol, propylene glycol, diethylene glycol, glycerin, polyethylene glycol, etc., or a mixed medium of these polyhydric alcohols and lower alcohols (ethanol, isopropyl alcohol, butyl alcohol, etc.) can be used. (a-iii) A sealed cooling medium containing at least water, a water-soluble polymer, and a polyhydric alcohol, which can be prepared by mixing the water-soluble polymer, polyhydric alcohol, lower alcohol and water in desired proportions. For example, a cooling medium containing propylene glycol as the polyhydric alcohol, carboxymethylcellulose as the water-soluble polymer, and water can be used.

[0102] By designing the types and mixing ratios of these cooling media, it is possible to prepare cooling media with desired performance characteristics, including solidification temperature, fluid temperature, flexibility, viscosity, semi-solid shape, and cooling time maintenance performance, and to prepare cooling media that maintain soft flexibility even at low temperatures below -5°C. In the present invention, a cooling medium 8 is particularly preferred that has at least one semi-solid form among viscous, gel-like, jelly-like, and jelly-like at approximately 25°C, and also has at least one semi-solid form among viscous, gel-like, jelly-like, and jelly-like at approximately 0°C. In this case, when a head cooling device containing the cooling medium is worn, a soft, gentle feel is obtained on the human head without any hard discomfort, resulting in a head cooling device that can cool the head comfortably.

[0103] In a sealed cooling medium containing a plastic foam substrate, the plastic foam substrate impregnated with a refrigerant is filled into a sealed container. The plastic foam substrate is impregnated with at least one refrigerant 31 selected from the group consisting of (b) water, alcohol, polyhydric alcohol, and water-soluble polymer. The plastic foam substrate is not particularly limited, but a porous open-cell foam having a large number of open cells and being flexible is preferably used. For example, a flexible polyurethane open-cell foam substrate, a flexible polyethylene open-cell foam substrate, a flexible polysilicon open-cell foam substrate, etc., can be made into a desired shape, for example, with a thickness of 3 to 20 mm and a shape similar to the size and shape of a sealed container.

[0104] The fabric-based refrigerant-impregnated sealed cooling medium, which is filled into a sealed container, is provided by impregnating a nonwoven fabric substrate and / or a woven fabric substrate with at least one refrigerant 31 selected from the group consisting of (c) water, alcohol, polyhydric alcohol, and water-soluble polymer, and is not particularly limited, but a flexible nonwoven fabric substrate and / or woven fabric substrate made of synthetic fibers, natural fibers, or a mixture thereof can be preferably used. For example, a flexible nonwoven fabric substrate and / or woven fabric substrate prepared from polyester fibers, polyurethane fibers, polyamide fibers, polyacrylic fibers, cotton fibers, wool fibers, a mixture of these fibers, etc., can be provided, for example, with a thickness of 3 to 20 mm and a desired shape that is similar in size to the shape of the sealed container.

[0105] (i) The cooling medium that can be used repeatedly for cooling and heating is preferably a cooling medium that does not change or deteriorate even when (a) is placed in a general-purpose refrigerator or freezer used in homes or medical institutions and cooled to a temperature of about 10°C or lower, becoming a cooling medium in a low-temperature state; (b) is worn on the head of a person and heated to the body temperature, becoming a cooling medium in a heated state; and (c) the cooling medium that has reached the heated state is removed, and (a) the removed cooling medium is cooled again in a refrigerator or freezer, and this cycle of cooling and heating is repeated. Such cooling media are not particularly limited, but for example, at about 25°C, liquids, semi-solid substances, solid powders, or mixtures thereof can be used. In particular, cooling media having at least one semi-solid form among viscous, gel-like, and jelly-like at about 25°C are preferred. Furthermore, cooling media having a semi-solid form such as viscous, gel-like, or jelly-like without solidifying even at low temperatures of about 0°C are especially preferred. As such a cooling medium, a refrigerant-sealed cooling medium is preferably implemented, in which at least one refrigerant selected from the group consisting of (a) water, alcohol, polyhydric alcohol, and water-soluble polymer is filled into a flexible sealed container 32.

[0106] The reusable sealed cooling medium is cooled to approximately -20°C to 10°C, for example, in a refrigerator or freezer, and then used by attaching the cooled sealed cooling medium to the human head. When the sealed cooling medium is attached to the human head and its temperature rises, reducing its cooling efficiency, the sealed cooling medium is removed from the human head and cooled in a refrigerator or freezer. In this way, the sealed cooling medium is used by repeating the cycle of (a) cooling in a refrigerator or freezer, (b) wearing it on the human head, (c) removing it from the head cooling device, and (a) cooling. As a result, a head cooling device is obtained that provides excellent reusability and is economical, as it can be easily reused by using a head cooling device that incorporates a sealed cooling medium 8.

[0107] In the head cooling device of the aforementioned "dependent configuration 11" or "dependent configuration 12" of the present invention, the following configuration is preferably provided. [Dependency Structure 13] The present invention is characterized in that the cooling medium 3 is configured as a sealed cooling medium in which a refrigerant 31 is filled in a flexible sealed container 32, the sealed cooling medium is configured as having a plurality of divided and connected sealed cooling mediums, the sealed cooling medium has at least one cooling medium connecting portion in which the plurality of divided and connected sealed cooling mediums are connected to each other, the sealed cooling medium is connected in a flexible manner at the cooling medium connecting portion, and each plurality of divided and connected sealed cooling medium is formed so as to be assembled and formed to match the shape of the human head and / or the inner surface of the surface member 2. Particularly preferred is a configuration in which, when the inner surface of the surface member 2 has a smooth, semi-spherical shape without irregularities, each of the multiple divided, connected, and sealed cooling media is formed to be assembled into a semi-circular shape that matches the shape of the human head and / or the inner surface of the surface member 2.

[0108] Figure 16 is a schematic plan view illustrating the configuration of the cooling medium in a head cooling device according to one embodiment of the present invention. The cooling medium 3 is configured in the form of a sealed cooling medium 3 in which a refrigerant 31 is filled into a flexible sealed container 32. As shown in Figures 16(A), (B), and (C), the sealed cooling medium 3 has multiple divided and connected sealed cooling mediums 3a, 3b, 3c, 3d, and 3e, Each of the multiple divided and connected sealed cooling media 3a, 3b, 3c, 3d, 3e, 3f, 3g, 3h, 3i, 3j, 3k, 3l, 3m, 3n has at least one connected cooling media connecting portion 35, and each of the multiple divided and connected sealed cooling media is flexibly connected at the cooling media connecting portion 35, and each of the multiple divided and connected sealed cooling media is configured to be assembled and formed into a substantially semicircular shape that matches the shape of the human head.

[0109] Preferably, the sealed cooling medium is configured to have a plurality of divided and connected sealed cooling mediums, and it is also possible to implement a configuration in which it is formed as a single unit. For example, in the cooling medium 3 shown in Figure 16, a multi-part connected sealed cooling medium can be implemented, in which a refrigerant containing a polyhydric alcohol, a water-soluble polymer, and water is stored in multiple sealed storage containers 32 made of plastic film, each of which is divided into multiple parts. These multiple head-side divided, connected, sealed cooling media are assembled into a three-dimensional shape, and configured to form a hemispherical hollow shape that substantially matches the shape of the human head. In this case, a configuration in which no gaps are created between each of the multiple head-side divided, connected, sealed cooling media is particularly preferred.

[0110] Preferably, as shown in Figure 2, the sealed cooling medium 3 has a plurality of divided and connected sealed cooling mediums 3, and the plurality of divided and connected sealed cooling mediums 3 preferably has a top-of-the-head divided and connected sealed cooling medium 3a formed in a position that covers the top of the head when attached to the head of a human body, and a plurality of side-of-the-head divided and connected sealed cooling mediums 3b, 3c, 3d, 3a formed in the area surrounding the top-of-the-head divided and connected sealed cooling medium 3a. Furthermore, it is preferably possible to implement a configuration in which at least each of the plurality of side-of-the-head divided and connected sealed cooling mediums 3b, 3c, 3d, 3a is flexibly connected to the top-of-the-head divided and connected sealed cooling medium 3a. And, it is preferably possible to implement a configuration in which these plurality of side-of-the-head divided and connected sealed cooling mediums can be assembled into a three-dimensional shape so as to form a substantially hemispherical hollow shape that substantially matches the shape of the human head. In this case, it is particularly preferable that the configuration is such that there are no gaps between each of the plurality of side-of-the-head divided and connected sealed cooling mediums.

[0111] Preferably, as shown in Figures 3 and 4(C), the sealed cooling medium 3 has a plurality of divided and connected sealed cooling mediums 3, and when attached to the head of a human body, the plurality of divided and connected sealed cooling mediums 3 has a plurality of head-side divided and connected sealed cooling mediums 3f, 3g, 3h, 3i, 3j, 3k divided in the circumferential direction with the top of the head as the center. Furthermore, it is preferable to implement a configuration in which at least each of the divided head-side divided and connected sealed cooling mediums 3f, 3g, 3h, 3i, 3j, 3k, 3m, 3n is flexibly connected to the top of the head divided and connected sealed cooling medium 3a. And it is preferable to implement a configuration in which these plurality of head-side divided and connected sealed cooling mediums can be assembled into a three-dimensional shape to form a hemispherical hollow shape that substantially matches the shape of the inner surface of the human head and / or the surface member 2. In this case, it is particularly preferable that the configuration is such that there are no gaps between each of the plurality of head-side divided and connected sealed cooling mediums.

[0112] Thus, as shown in Figures 2, 3, 4(C), and 5(C) above, the sealed cooling medium 3 has a plurality of divided and connected sealed cooling mediums, each of which has a cooling medium connecting portion connected to one another, and each of the divided and connected sealed cooling mediums is flexibly connected at the cooling medium connecting portion, and each of the divided and connected sealed cooling mediums can be assembled and formed into a substantially semicircular shape that matches the shape of the human head. The sealed cooling medium 3 can be assembled and formed into a roughly semicircular shape so that it can cover and be attached to the frontal part of the human head, such as the top of the head, the forehead, the back of the head, the left side of the head, and the right side of the head. The number of these divisions is not particularly limited, and multiple divided, connected, sealed cooling media can be used, divided into any number of parts. A flexible, interconnected, multi-part sealed cooling medium can be used, for example, a multi-part sealed cooling medium that is divided into multiple parts and connected to each other, using a plastic film bag container and heat-sealing them together.

[0113] This configuration provides the following effect: [Effect T-e: With a configuration having multiple divided and connected sealed cooling media, when the head cooling device is attached to the human head, the multiple divided and connected sealed cooling media are assembled into a roughly semi-spherical hollow shape that conforms to the shape of the human head and / or the inner surface of the surface member 2, making it possible to cool the entire human head and / or a desired area of ​​the head, and allowing the head cooling device to be worn comfortably without discomfort]. In particular, by configuring the cooling medium 3 to have multiple divided and connected sealed cooling media as shown in Figures 2 and 3, the cooling medium 3 can cover the entire area of ​​the head, including the top, front, back, left, and right sides of the head, without any gaps. As a result, it is expected that the following effect can be obtained: [Effect T-f: In addition to achieving the above effect I, it is generally known that cooling the scalp during anticancer drug administration treatment can suppress hair loss caused by anticancer drugs. The configuration of the cooling medium 3 allows it to cover the entire area of ​​the head without any gaps, making it possible to efficiently cool the scalp surface of the top of the head where hair grows. As a result, it is possible to constrict blood vessels near the hair follicles, thereby providing a head cooling device that can exhibit an even more significant hair loss suppression effect caused by anticancer drugs administered in the chemical treatment of cancer patients.]

[0114] In the head cooling device of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configuration 13" of the present invention, the following configurations are preferably provided. [Dependency Structure 14] The surface member 2 has an inner surface that is substantially hemispherical and hollow, and the cooling medium 3 is installed in a desired area on the side of the inner surface that is substantially hemispherical and hollow, in a form that matches the shape of the inner surface, and is formed so that when attached to the head of a human body, the cooling medium can be attached in a state that matches the shape of the head and / or the inner surface of the surface member 2. For example, as shown in Figures 1, 2, and 3, a configuration in which the surface member 2 has an inner surface of a substantially hemispherical hollow shape and the cooling medium 3 is installed in a substantially hemispherical hollow shape is preferably implemented.

[0115] This configuration allows the cooling medium 3 to cover the entire area of ​​the head, including the top, front, back, left, and right sides of the head, without any gaps, thus providing the effect of: [Effect T-g: Because the cooling medium is installed in a roughly semi-spherical hollow shape that matches the shape of the inner surface of the surface member, when the head cooling device is attached to the human head, the cooling medium is attached in a roughly semi-spherical hollow shape that matches the shape of the human head and / or the inner surface of the surface member 2, enabling cooling of the entire area of ​​the human head, and allowing the head cooling device to be worn in a way that provides excellent cooling without causing discomfort].

[0116] In particular, by configuring the cooling medium 3 to have a roughly hemispherical hollow shape as shown in Figure 1, or to have multiple divided and connected sealed cooling media as shown in Figures 2 and 3, the cooling medium 3 can cover the entire area of ​​the human head without any gaps, and as a result, in particular, [Effect T-h: Similar to the aforementioned "Effect I-a", when worn on the human head, the escape of cold air from the surface member 2 of the cooling medium is suppressed, efficiently cooling the surface of the human head, and the cooling performance for cooling the head is excellent, including the ability to maintain cooling for a long time, and furthermore, the detachment of the cooling medium from the human head is suppressed, the wearer's movements are not restricted, and it has a comfortable fit, thus providing a "long-term cooling maintenance and comfortable fit effect"]. Furthermore, it is known that when used in the treatment of anticancer drug administration, cooling the scalp can suppress hair loss caused by anticancer drugs, thus providing a hair loss suppression effect. This is because it is possible to efficiently cool the scalp surface and / or scalp, such as the crown, forehead, back of the head, left and right sides of the head, where hair grows. As a result, it constricts the blood vessels near the hair follicles and hair roots, reducing blood flow, thereby reducing the amount of administered anticancer drug near the hair follicles and hair roots, and thus suppressing hair loss caused by anticancer drugs.

[0117] In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configuration 14" of the present invention, the following configurations are preferably provided. [Dependency Structure 15] As shown in Figures 1, 2, 3, and 4, the surface member 2 has an inner surface that is substantially hemispherical and hollow, and the cooling medium 3 is configured in the form of (a) a reusable sealed cooling medium 3 in which a refrigerant 31 that can be used repeatedly for cooling and heating is filled in a sealed container 32. - When the repeatable sealed cooling medium 3 is cooled, it is formed so that it can be formed into a substantially semi-spherical hollow shape having a substantially similar shape to the shape of the inner surface of the substantially semi-spherical hollow surface member, and the repeatable sealed cooling medium 3 is installed in a desired region including the vertex region and temporal region on the inner surface of the substantially semi-spherical hollow surface member in a substantially semi-spherical hollow shape that matches the shape of the inner surface of the surface member. When attached to the head of a human body, the reusable sealed cooling medium 3 is formed to be attached in a manner that matches the shape of the head of the human body and / or the inner surface of the surface material 2.

[0118] With the above configuration, the effects described above, such as "Effect T-a" to "Effect T-h," can be obtained, and furthermore, a head cooling device can be obtained that exhibits effects similar to [Effect T-i: an economical repeat-use performance that allows for easy repeated use, etc., by configuring a reusable sealed cooling medium in the form of a sealed cooling medium in which a refrigerant that can be repeatedly used for cooling and heating is filled in a sealed container].

[0119] In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configuration 15" of the present invention, the following configurations are preferably provided. [Dependency Structure 16] The cooling medium 3 is configured in the form of (a) a reusable sealed cooling medium 3 in which a refrigerant that can be used repeatedly for cooling and heating is filled into a sealed container. The repeatable sealed cooling medium 3 may have the following characteristics: (i) it may be divided into multiple parts and connected to each other, and these multiple parts are connected in a flexible manner; and / or (ii) the repeatable sealed cooling medium 3 may have the characteristics of a single sealed cooling medium without being divided into multiple parts. The surface member 2 has an inner surface that is substantially hemispherical and hollow, and the repeatable sealed cooling medium 3 is installed in a desired area on the side of the inner surface that is substantially hemispherical and hollow, in a substantially hemispherical shape that matches the shape of the inner surface, so that when it is attached to the head of a human body, the repeatable sealed cooling medium 3 can be attached in a state that matches the shape of the head of the human body and / or the inner surface of the surface member 2.

[0120] This configuration provides a head cooling device that has the following effect: [Effect T-j: By having a configuration in the form of multiple divided and connected sealed cooling media and / or a single sealed cooling media, when the head cooling device is attached to the human head, the multiple divided and connected sealed cooling media are attached in a bent state to match the shape of the head and / or the inner surface of the surface member 2, so that the head cooling device can be attached in a comfortable state without discomfort, and the cooling performance of the entire head is further improved, which is excellent in terms of overall head cooling performance].

[0121] In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configuration 16" of the present invention, the following configurations are preferably provided. [Dependency Structure 17] The cooling medium (3) is characterized in that it has a substantially hemispherical hollow shape that is cooled to substantially match the shape of the human head, and has shape retention properties that allow it to maintain the substantially hemispherical hollow shape, and is formed so that when attached to the human head, the cooling medium 3 can be attached in a state that matches the shape of the human head and / or the inner surface of the surface member 2.

[0122] This configuration provides a head cooling device that offers the following advantages: [Effect T-k: The reusable sealed cooling medium has shape retention properties sufficient to maintain the hemispherical hollow shape, making it economically advantageous due to its reusability; furthermore, when the head cooling device is attached to the human head, it conforms to the shape of the head and / or the inner surface of the surface member 2, allowing for comfortable and natural attachment; and the approximately hemispherical hollow shape provides excellent cooling performance, further improving the overall head cooling performance].

[0123] The head cooling device of the aforementioned "dependent configuration 17" preferably comprises the following configuration. [Dependency Structure 18] The cooling medium 3 has the property of being solid enough to maintain its shape at approximately 0°C or below, becoming semi-solid enough to maintain its shape as the temperature rises from 0°C, and changing to a fluid state at approximately 25°C or above. The cooling medium 3 is characterized in that it is cooled to approximately 0°C or below and has a substantially hemispherical hollow shape that substantially matches the shape of the inner surface of the human head and / or surface member 2, and is formed to be attachable to the human head in a substantially hemispherical hollow shape.

[0124] This configuration allows the aforementioned [effect to-k] to be exhibited even more significantly.

[0125] For example, when the cooling medium is attached to the head of a human body after being cooled to a desired temperature, it is preferable that the cooled cooling medium has a substantially hemispherical hollow shape and possesses a degree of shape retention that allows it to maintain that substantially hemispherical hollow shape. For example, if a refrigerant-sealed cooling medium is configured in which at least one refrigerant selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer is filled into a flexible sealed container, then a refrigerant-sealed cooling medium can be configured with optimal components to achieve a desired shape such that it can maintain a substantially hemispherical hollow form in a cooled state.

[0126] In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configuration 10" of the present invention, the following configurations are preferably provided. [Dependent Structure 19] The cooling medium 3 comprises the following cooling medium 3: (di), (d-ii), (d-iii), (d-iv), (dv), (d-vi), (d-vii), and / or (e). (di) A cooling medium containing ice and / or cold water, which is made by filling a bag-shaped container with small pieces of ice and / or cold water. (d-ii) A cooling medium made of low-temperature water-impregnated cloth, obtained by impregnating a cloth with low-temperature water, or a water-alcohol mixture containing water, alcohol, and / or polyhydric alcohol, or a cooling medium made of low-temperature water-impregnated cloth, obtained by cooling a cloth impregnated with water, or a water-alcohol mixture containing water, alcohol, and / or polyhydric alcohol, to a low temperature. (d-iii) An ice-alcohol-water-containing cooling medium, which is prepared by filling a bag-shaped container with a cooling mixture obtained by cooling a water-alcohol mixture containing water and alcohol and / or polyhydric alcohol, and small pieces of ice. (d-iv) A cooling medium made of refrigerant-impregnated cloth, obtained by impregnating a cloth base material with a refrigerant obtained by cooling at least one selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer, or a cooling medium made of refrigerant-impregnated cloth, obtained by cooling a cloth impregnated with at least one selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer to a low temperature. (dv) A refrigerant-impregnated plastic foam cooling medium obtained by impregnating a plastic foam substrate having continuous porous cells with a refrigerant obtained by cooling at least one selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer, or a refrigerant-impregnated plastic foam cooling medium obtained by cooling a plastic foam substrate impregnated with at least one selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer to a low temperature. (d-vi) A refrigerant-impregnated cloth coolant medium is provided, which is made by impregnating a cloth base material with at least one selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer, and then filling a bag-shaped container with this refrigerant and cooling it to a low temperature. (d-vii) A coolant medium made of refrigerant-impregnated cloth, in which a refrigerant obtained by impregnating a plastic foam substrate with at least one selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer is filled into a bag-shaped container and cooled to a low temperature. (e) An external impact cooling sealed cooling medium, comprising a refrigerant that can be cooled by external impact, filled in a sealed container. A head cooling device characterized in that such a cooling medium 3 is installed on the inner surface of the human head and / or surface member 2 while cooled to a desired temperature.

[0127] This configuration offers several advantages, including: [Effects: The use of ice-containing cooling media, refrigerant-impregnated cooling media, external shock-cooled sealed cooling media, etc., provides excellent cooling capacity, and because it is disposable, it is hygienic and easy to handle in homes and medical facilities].

[0128] (di) As a cooling medium containing ice and / or cold water, for example, a plastic bag container filled with ice pieces of about 0.1 to about 5 mm, or a plastic bag container filled with ice pieces and cold water (cold water at about 5°C or below) can be used. (d-ii) As a cooling medium made of low-temperature water-impregnated cloth, for example, a refrigerant-retaining cloth material such as gauze or a towel impregnated with ice water, or a low-temperature water-impregnated cloth material made by cooling a water-impregnated cloth to a low temperature can be used. (d-iii) As a cooling medium containing ice alcohol water, for example, gauze or a towel impregnated with a cooled water-ethanol mixture and / or water-isopropyl alcohol mixture can be used. (d-iv) As a cooling medium made of refrigerant-impregnated fabric, a fabric base material such as a nonwoven fabric base material and / or a woven fabric base material may be used, in which a refrigerant is cooled to a low temperature by cooling at least one selected from the group consisting of water, alcohol, polyhydric alcohol and water-soluble polymer. (dv) As a refrigerant-impregnated plastic foam cooling medium, a continuous-cell foam plastic substrate made of soft polyurethane or polyolefin can be used, in which a refrigerant, which is at least one selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer, is cooled to a low temperature.

[0129] This method utilizes the property that the body temperature of the human body decreases due to the heat of vaporization or evaporative cooling generated when these cooling media evaporate. In particular, (d-iii) water-alcohol mixture impregnated fabric material significantly improves the effect of cooling the head due to the heat of vaporization caused by the alcohol. When such a compress-type cooling medium is applied to the head, the head may become wet due to water or alcohol. In such cases, it is preferable to place a suitable towel or similar material between the head and the head cooling device.

[0130] When using ethanol and / or isopropyl alcohol as lower alcohols, the alcohol content is not particularly limited, but it is preferably in the range of 3 to 50% by weight relative to the total amount of water and alcohol. If it is less than 3% by weight, it tends to solidify at low temperatures of about -5°C, and if it exceeds 50%, when applied to the human head, it tends to cause unhealthy feelings and discomfort to the wearer due to the evaporation of alcohol. By arbitrarily selecting the mixing ratio of water and lower alcohol, it is possible to obtain a liquid cooling medium that does not solidify even at low temperatures of -18°C, for example. This medium can be used by impregnating cloth with it, or by filling it into a flexible plastic bag container. Because it maintains a fluid state even at low temperatures, a head cooling device can be obtained that provides a comfortable fit with reduced discomfort when worn on the human head.

[0131] The refrigerant-holding fabric material used to hold these cooling media is not limited to the aforementioned gauze or towels, but rather any fabric material with excellent water absorption and retention properties can be used. Preferred fabric materials include, for example, nonwoven or woven fabrics made of natural or synthetic fibers, open-cell foamed plastics such as soft foamed urethane or soft foamed olefin, and specially processed nonwoven or woven fabrics with high water absorption properties. These adhesive cooling patches cannot be reused, but they possess excellent cooling capabilities and have the advantage of being easy to handle in homes and medical facilities.

[0132] (e) External impact cooling sealed cooling mediums in which a refrigerant that can be cooled by external impact is filled in a sealed container, and cooling mediums that are instantaneously cooled by some chemical or physical reaction when an impact is applied by striking a sealed cooling medium in which a refrigerant is filled in a sealed container are used. For example, a sealed cooling medium in which water and ammonium nitrate packed in a small bag are filled in a plastic film container, and when the container is struck the small bag breaks, a sealed cooling medium that has been cooled by the reaction of water and ammonium nitrate is obtained. As the small bag filled with ammonium nitrate, a plastic small bag that is easily torn by external impact such as "striking" is preferred.

[0133] In the head cooling device of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configuration 19" of the present invention, the following configurations are preferably provided. [Dependent Structure 20] The cooling medium 3 is characterized in that it is installed on the inner surface side of the surface member 2 in a manner that allows it to be attached and removed. In other words, the cooling medium 3 is attached to the inner surface side of the surface member 2, and the cooling medium 3 and surface member 2 are attached to the head of a human body. The cooling medium 3 and surface member 2 are then removed from the head of a human body, and the cooling medium 3 is configured to be removable from the surface member 2. This configuration provides the effect of [effect-n: the cooling medium 3 is installed on the inner surface side of the surface member 2 in a manner that allows it to be attached to and removed, thereby enabling the creation of a cooling medium with desired cooling performance and improving ease of use].

[0134] <Cooling medium storage bag> A preferred head cooling device of the present invention is a head cooling device comprising the "basic configuration 1" and "dependent configurations 2" to "dependent configurations 20" described above, and preferably includes the following "dependent configuration 21". [Dependent Structure 21] Figure 6 is a schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention, and Figure 7 is a schematic diagram of a cross-section of the cooling medium configured in the head cooling device according to one embodiment of the present invention. In Figures 6(A) to (C) and 7(A) to (E), a preferred head cooling device of the present invention is a head cooling device that can be worn to cover the head of a person, comprising a surface member 2 having a substantially semi-spherical hollow shape that can be worn to cover the head of a person, and a head cooling device (basic configuration 1) configured such that when the surface member is worn to cover the head of a person, a cooling medium 3 is positioned between the surface member and the head of the person, and the head is cooled, further comprising a cooling medium storage bag 6 for storing the cooling medium 3. The cooling medium storage bag 6 has the flexibility to deform to match the shape of the inner surface of the human head and / or surface material when it is worn covering the human head. The cooling medium 3 is placed inside the cooling medium storage bag 6, and the cooling medium storage bag 6 containing the cooling medium 3 is placed on the inner side of the surface member. When the cooling medium storage bag 6 containing the cooling medium 3 is attached to the head of a person, the detachment of the cooling medium 3 from the head of the person and / or the surface member 2 is suppressed.

[0135] For example, as shown in Figures 7(A) to (E), the cooling medium 3 is housed in a cooling medium storage bag 6. Furthermore, as shown in Figures 6(A) to (C), the cooling medium storage bag 6 containing the cooling medium 3 is located on the inner side of the surface member, and when worn to cover the human head, it can be fitted in a manner that matches the shape of the human head and / or the inner surface of the surface member, while also preventing the cooling medium 3 from falling off the human head. In particular, Figures 7(A) and 6(A) show a configuration in which one cooling medium 3 is stored in one cooling medium storage bag 6. Figure 7(B) shows a configuration in which the cooling medium 3 is configured as a sealed cooling medium in which the refrigerant 31 is filled in a sealed container 32, and in which a cooling medium 3 configured as a sealed cooling medium filled in a sealed container 32 is stored in one cooling medium storage bag 6.

[0136] Preferably, when the cooling medium storage bag 6 containing the cooling medium 3 is attached to the head of a human body, the cooling medium 3 can be attached in a manner that conforms to the shape of the human head.

[0137] This configuration provides the following effect: [Effect-a: When the cooling medium storage bag 6 containing the cooling medium 3 is attached to the head of a person, the cooling medium 3 can be attached in a manner that matches the shape of the head and / or the surface member 2, the detachment of the cooling medium 3 from the head is suppressed, and furthermore, the entire head or a desired area of ​​the head can be efficiently cooled].

[0138] The material constituting the cooling medium storage bag 6 is not particularly limited, but examples include plastic film material, fabric material such as woven or nonwoven fibrous fabric, plastic molded material formed into a predetermined shape, rubber molded material, and so on.

[0139] In the head cooling device of the aforementioned "dependent configuration 21" of the present invention, preferably, the following "dependent configuration 22" is included. As shown in Figure 6(B) and / or Figure 7(D) and (E), a preferred head cooling device of the present invention is a head cooling device that can be worn to cover the head of a person, comprising a surface member 2 having a substantially semi-spherical hollow shape that can be worn to cover the head of a person, and a cooling medium 3 positioned between the surface member and the head of the person when the head is worn to cover the head on the inner surface side of the surface member, thereby enabling the cooling of the head of the person, and further comprising a cooling medium storage bag 6 for storing the cooling medium 3.

[0140] Particularly preferably, the head cooling device comprises the following configuration. [Dependent Structure 22] The cooling medium storage bag 6 has a plurality of divided storage sections, each divided into a plurality of storage sections, and a storage bag connecting section to which at least one of the plurality of divided storage sections is connected, and the storage bag connecting section is formed to be flexible. Cooling medium 3 has multiple cooling media. Each of the multiple divided and connected storage units has a cooling medium 3, one of several cooling media, installed inside it.

[0141] Particularly preferable, the cooling medium storage bag 6, which has multiple divided and connected storage sections, is formed in a form that is flexible and deformable. The cooling medium storage bag 6, which is formed in a flexible form, is not particularly limited, but for example, nonwoven fabric, plastic film, or fiber fabric can be used. Preferably, a divided cooling medium storage bag has multiple divided and connected storage sections, which are divided into multiple sections by means such as heat sealing, sewing, or adhesive.

[0142] For example, as shown in Figure 7(D), the cooling medium storage bag 6 has a plurality of divided connected storage sections 6a, 6b, 6c and a storage bag connecting section to which at least one of the plurality of divided connected storage sections is connected, and the storage bag connecting section is formed to be flexible, and each of the plurality of cooling mediums 3 is installed in each of the plurality of divided connected storage sections 6a, 6b, 6c. In this case, a configuration in which a desired cooling medium 3 from among multiple cooling media is installed in a desired divided and connected storage section 6a, 6b, 6c among multiple divided and connected storage sections is preferably implemented. Furthermore, as shown in Figure 6(B), the cooling medium storage bag 6 containing the cooling medium 3 is located on the inner side of the surface member, and when worn to cover the human head, it can be fitted in a manner that matches the shape of the human head and / or the inner surface of the surface member, while also preventing the cooling medium 3 from falling off the human head.

[0143] This configuration provides the following effect: [Effect-b: When the cooling medium storage bag 6 containing the cooling medium 3 is attached to the head of a person, the cooling medium storage bag 6 containing the cooling medium 3 is in a flexible state and can be attached in a manner that matches the shape of the head, while preventing the cooling medium 3 from falling off the head, and furthermore, the entire head or a desired area of ​​the head can be efficiently cooled].

[0144] In the head cooling device of the aforementioned "dependent configuration 21" or "dependent configuration 22" of the present invention, the following "dependent configuration 23" is preferably included. As shown in Figure 6(C) and Figure 7(C), a preferred head cooling device of the present invention is a head cooling device that can be worn to cover the head of a person, comprising a surface member 2 having a substantially semi-spherical hollow shape that can be worn to cover the head of a person, and a head cooling device (basic configuration 1) configured such that when the surface member is worn to cover the head of a person, a cooling medium 3 is positioned between the surface member and the head of the person, thereby enabling the cooling of the head of the person, and further comprising a cooling medium storage bag 6 for storing the cooling medium 3.

[0145] The head cooling device preferably further comprises the following components. [Dependent Structure 23] The cooling medium 3 is configured in the form of a sealed cooling medium in which the refrigerant 31 is filled into a sealed container 32. The sealed cooling medium has a plurality of divided and connected sealed cooling mediums, and a cooling medium connecting portion to which at least one of the plurality of divided and connected sealed cooling mediums is connected, and the cooling medium connecting portion has a form in which the divided and connected sealed cooling medium is bendable, and the sealed cooling medium can be assembled and formed into a substantially hemispherical hollow shape that matches the shape of the human head and / or the inner surface of the surface member 2. The sealed cooling medium 3 is stored inside the cooling medium storage bag 6. The surface member 2 has an inner surface that is approximately hemispherical and hollow. The cooling medium storage bag 6, which contains the sealed cooling medium 3, is installed in a region on the inner surface of the surface member, in a roughly semi-spherical hollow shape that matches the shape of the inner surface of the surface member, and is configured so that when attached to the head of a person, multiple divided and connected sealed cooling mediums 3 can be attached in a manner that matches the shape of the head of the person.

[0146] For example, as shown in Figure 17(A), the head cooling device further includes a cooling medium storage bag 6 for storing the cooling medium 3. The cooling medium 3 is configured in the form of a sealed cooling medium in which a refrigerant 31 is filled in a sealed container 32. The sealed cooling medium has multiple divided and connected sealed cooling mediums 3a, 3b, 3c, 3d, 3e, 3f, 3g, and 3h, and each of these multiple divided and connected sealed cooling mediums has at least one connected cooling medium connection portion, and each of these multiple divided and connected sealed cooling mediums is formed to be flexible at the cooling medium connection portion. As shown in Figure 17(A), the cooling medium storage bag 6 containing the cooling medium 3 is located on the inner side of the surface member, and when worn to cover the human head, it can be fitted in a manner that matches the shape of the human head and / or the inner surface of the surface member, while also preventing the cooling medium 3 from falling off the human head.

[0147] This configuration provides the following effect: [Effect C: When the cooling medium storage bag 6 containing multiple segmented, connected, sealed cooling mediums 3 is attached to the head of a person, the segmented, connected, sealed cooling mediums are able to be bent relative to each other, and the segmented, connected, sealed cooling mediums 3 can be attached in a manner that conforms to the shape of the head of the person, and furthermore, the entire head or a desired area of ​​the head can be efficiently cooled].

[0148] In the head cooling device of the aforementioned "dependent configuration 21" to "dependent configuration 23" of the present invention, the following "dependent configuration 24" is preferably included. As shown in Figure 18, a preferred head cooling device of the present invention is a head cooling device that can be worn to cover the head of a person, comprising a surface member 2 having a substantially semi-spherical hollow shape that can be worn to cover the head of a person, and a head cooling device (basic configuration 1) configured such that when the head of a person is worn to cover the head on the inner surface side of the surface member, a cooling medium 3 is positioned between the surface member and the head of the person, and the head is cooled, and further comprising a cooling medium storage bag 6 for storing the cooling medium 3. The cooling medium storage bag 6 has a plurality of divided storage sections, each divided into a plurality of storage sections, and a storage bag connecting section to which at least one of the plurality of divided storage sections is connected, and the storage bag connecting section is formed to be flexible. The cooling medium 3 is configured as a sealed cooling medium in which a refrigerant 31 is filled in a sealed container 32. The sealed cooling medium has a plurality of divided and connected sealed cooling mediums, and a cooling medium connecting portion in which at least one of the plurality of divided and connected sealed cooling mediums is connected. The cooling medium connecting portion is formed to be flexible. The sealed cooling medium is formed to be assembled into a substantially semicircular shape that matches the shape of the human head. The sealed cooling medium 3 is then stored in the cooling medium storage bag 6, and the surface member 2 has an inner surface that is roughly semi-spherical and hollow.

[0149] The head cooling device preferably further comprises the following components. [Dependent Structure 24] The cooling medium storage bag 6, which contains the cooling medium, has a three-dimensional shape that allows it to cover the head when attached to the human head. The surface member 2 has an inner surface that is approximately hemispherical and hollow. The sealed cooling medium has a form in which (i) the sealed cooling medium is divided into a plurality of plurality of divided and connected sealed cooling mediums, and a cooling medium connecting portion in which at least one of the plurality of divided and connected sealed cooling mediums is connected, and the cooling medium connecting portion is formed to be flexible. and / or (ii) the sealed cooling medium has the form of a single sealed cooling medium, without being divided into multiple parts. The cooling medium storage bag 6, which contains a sealed cooling medium, is installed in a desired area on the inner surface of the surface member, in a substantially hemispherical hollow shape that matches the shape of the inner surface of the surface member, and is formed so that when attached to the head of a human body, the sealed cooling medium can be attached in a manner that matches the shape of the head and / or the inner surface of the surface member 2.

[0150] For example, as shown in Figure 7(E), the head cooling device further includes a cooling medium storage bag 6 for storing the cooling medium 3. The device includes a cooling medium storage bag 6 for storing a cooling medium 3, the cooling medium storage bag 6 having a plurality of divided storage sections 6a, 6b and a storage bag connecting section to which at least one of the plurality of divided storage sections is connected, and the storage bag connecting section is formed to be flexible. The cooling medium 3 is configured in the form of a sealed cooling medium in which a refrigerant 31 is filled in a sealed container 32, and the sealed cooling medium has a plurality of divided and connected sealed cooling mediums, and a cooling medium connecting portion in which at least one of the plurality of divided and connected sealed cooling mediums is connected, and the cooling medium connecting portion has the form of a divided and connected sealed cooling medium that is bendable, and the sealed cooling medium is configured to be assembled into a substantially hemispherical hollow shape that matches the shape of the human head and / or the inner surface of the surface member 2.

[0151] The cooling medium storage bag 6, which contains the cooling medium, has a three-dimensional shape that allows it to cover the head when attached to the human head. The surface member 2 has an inner surface that is approximately hemispherical and hollow. The sealed cooling medium comprises the following configurations: (i) and / or (ii). (i) The sealed cooling medium has a configuration in which the multiple divided and connected sealed cooling mediums 3a, 3b are divided into multiple parts, and a cooling medium connecting portion is formed by connecting at least one of the multiple divided and connected sealed cooling mediums, and the cooling medium connecting portion is formed to be flexible. As shown in Figure 7(E), the multiple divided and connected sealed cooling mediums 3a, 3b are housed in the divided and connected storage portion 6b of the multiple divided and connected storage portions 6a, 6b. (ii) The sealed cooling medium is not divided into multiple parts, but has the form of a single sealed cooling medium, and as shown in Figure 7(E), the single sealed cooling medium is housed in each of the multiple divided connected storage sections 6a, 6b. A cooling medium storage bag 6 containing a sealed cooling medium is installed in a desired area on the inner surface of a surface member in a substantially hemispherical hollow shape that matches the shape of the inner surface of the surface member, and a head cooling device can be implemented that, when attached to the head of a person, allows the sealed cooling medium to be attached in a manner that matches the shape of the head and / or the inner surface of the surface member 2.

[0152] Furthermore, as shown in Figure 18, for example, the head cooling device further includes a cooling medium storage bag 6 for storing the cooling medium 3. The cooling medium storage bag 6 has multiple divided and connected storage sections 6a, 6b, 6c, 6d, and 6e, and the multiple divided and connected storage sections 6a, 6b, 6c, 6d, and 6e are formed to be flexible relative to each other. The cooling medium 3 is configured as a sealed cooling medium in which the cooling medium is stored in each of the multiple divided and connected storage sections 6a, 6b, 6c, 6d, and 6e of the multiple divided and connected storage sections. The sealed cooling medium has the form of a multi-part divided and connected sealed cooling medium, which is divided into multiple parts and connected to each other, and the multi-part divided and connected sealed cooling medium is connected in a flexible manner. As shown in Figure 18(B), the sealed cooling medium is housed in one of the multiple divided connected storage units 6a, which is (ii) a single sealed cooling medium in the form of a single sealed cooling medium without being divided into multiple units. Furthermore, as shown in Figure 18(B), (i) multiple divided and connected sealed cooling media 3a, 3b, 3c are housed in multiple divided and connected storage sections 6c, 6e, and multiple divided and connected sealed cooling media 3a, 3bc are housed in multiple divided and connected storage sections 6b, 6d. The cooling medium storage bag 6, which contains the cooling medium, has a three-dimensional shape that allows it to cover the head when attached to the human head. As shown in Figure 18(C), the cooling medium storage bag 6, which contains multiple divided and connected sealed cooling media, is installed on the inner surface side of the surface member, which is a roughly semi-spherical hollow shape, and is formed to match the shape of the inner surface of the surface member, so that when it is attached to the head of a human body, the cooling medium storage bag 6 containing the multiple divided and connected sealed cooling media can be attached in a state that matches the shape of the head of the human body and / or the inner surface of the surface member 2.

[0153] Furthermore, as shown in Figure 7(E), the cooling medium storage bag 6 has a plurality of plurality of divided connected storage sections 6a, 6b, which are divided into a plurality of storage sections, and a storage bag connecting section to which at least one of the plurality of divided connected storage sections is connected, and the storage bag connecting section is formed to be flexible, and the plurality of divided connected sealed cooling media 3a, 3b are stored in the plurality of divided connected storage section 6b which has a relatively wide storage section, and the sealed cooling medium 3 which has the form of a single sealed cooling medium is stored in the plurality of divided connected storage section 6a which has a relatively narrow storage section.

[0154] This configuration provides the effect of significantly improving the efficiency of cooling the entire head or a desired area of ​​the head.

[0155] In the head cooling device of the aforementioned "dependent configuration 21" of the present invention, the following "dependent configuration 25" is preferably included. As shown in Figure 6(C), a preferred head cooling device of the present invention is a head cooling device that can be worn to cover the head of a person, comprising a surface member 2 having a substantially semi-spherical hollow shape that can be worn to cover the head of a person, and a head cooling device (basic configuration 1) configured such that when the surface member is worn to cover the head of a person, a cooling medium 3 is positioned between the surface member 2 and the head of the person, thereby enabling the cooling of the head of the person, and further comprising a cooling medium storage bag 6 for storing the cooling medium 3.

[0156] A preferred head cooling device of the present invention further comprises the following components. [Dependent Structure 25] The cooling medium storage bag 6 has multiple divided and connected storage sections, and the cooling medium 3 is configured in the form of a sealed cooling medium 3 in which the refrigerant 31 is filled into a sealed container 32. The cooling medium 3 comprises a plurality of cooling mediums, and each of the plurality of cooling mediums is configured in the form of a sealed cooling medium 3 in which the cooling medium refrigerant 31 is filled into a sealed container 32. The sealed cooling medium comprises the following configurations: (i) and / or (ii). (i) The sealed cooling medium has a plurality of divided and connected sealed cooling mediums, and a cooling medium connecting portion to which at least one of the plurality of divided and connected sealed cooling mediums is connected, and the cooling medium connecting portion is formed to be flexible. (ii) The sealed cooling medium is not divided into multiple parts, but has the form of a single sealed cooling medium.

[0157] A multi-part divided and connected sealed cooling medium 3 is stored in a desired multi-part divided and connected storage unit among the multiple multi-part divided and connected storage units, and a single sealed cooling medium is stored in another desired multi-part divided and connected storage unit among the multiple multi-part divided and connected storage units. The cooling medium storage bag 6, which contains the cooling medium 3, has a three-dimensional shape that allows it to cover the head when attached to the human head. The surface member 2 has an inner surface that is approximately hemispherical and hollow in shape, and the cooling medium storage bag 6, which contains a sealed cooling medium, is installed on the side of the inner surface of the surface member in a form that is approximately hemispherical and hollow in shape, matching the shape of the inner surface of the surface member, and the cooling medium storage bag 6 containing the sealed cooling medium is formed to be attached in a manner that matches the shape of the human head when it is attached to the head.

[0158] In other words, the cooling medium storage bag 6 has a plurality of plurality of divided and connected storage sections, each of which is divided into a plurality of storage sections. A plurality of divided and connected sealed cooling mediums 3 are stored in a desired plurality of divided and connected storage section, and a single sealed cooling medium is stored in another desired plurality of divided and connected storage section. When the cooling medium storage bag 6 is attached to the head of a person, the cooling medium storage bag 6 is in a bent state, and the plurality of divided and connected sealed cooling mediums 3 are also in a bendable state. The cooling medium storage bag 6 containing the cooling mediums 3 is formed to be attached in a state that matches the shape of the head of a person and / or the inner surface of the surface member 2.

[0159] For example, as shown in Figure 7(E), the head cooling device further includes a cooling medium storage bag 6 for storing the cooling medium 3. The cooling medium storage bag 6 has multiple divided and connected storage sections 6a and 6b, and the multiple divided and connected storage sections 6a and 6b are connected to each other in a flexible manner. The cooling medium 3 is configured as a sealed cooling medium in which the cooling medium 3 is stored in each of the multiple divided and connected storage sections 6a and 6b. The multiple-part divided and connected storage section 6a contains a single sealed cooling medium in the form of a single sealed cooling medium, without being divided into multiple parts. In the other multiple divided and connected storage section 6b, a sealed cooling medium is stored, which has the form of a multiple divided and connected sealed cooling medium that is divided into multiple parts and connected to each other, and is formed to be flexible. The cooling medium storage bag 6, which contains the cooling medium 3, has a three-dimensional shape that allows it to cover the head when attached to the human head. As shown similarly to Figure 6(C), the cooling medium storage bag 6 containing the sealed cooling medium 3 is installed on the inner surface side of the surface member, which is a roughly hemispherical hollow shape, and is formed to match the shape of the inner surface of the surface member, so that when it is attached to the head of a human body, the cooling medium storage bag 6 containing the sealed cooling medium 3 can be attached in a manner that matches the shape of the head of the human body.

[0160] Furthermore, as shown in Figure 18, for example, the head cooling device also includes a cooling medium storage bag 6 for storing the cooling medium 3. The cooling medium storage bag 6 has a plurality of divided and connected storage sections 6a, 6b, 6c, 6d, 6e, which are divided into a plurality of storage sections, and a storage bag connecting section to which at least one of the plurality of divided and connected storage sections is connected. Each of the plurality of divided and connected storage sections 6a, 6b, 6c, 6d, 6e is formed to be flexible at at least one of the storage bag connecting sections. The cooling medium 3 is configured as a sealed cooling medium in which the cooling medium is stored in each of the multiple divided and connected storage sections 6a, 6b, 6c, 6d, and 6e of the multiple divided and connected storage sections. The sealed cooling medium has the form of a multi-part divided and connected sealed cooling medium, which is divided into multiple parts and connected to each other, and the multi-part divided and connected sealed cooling medium is connected in a flexible manner. The cooling medium storage bag 6, which contains the cooling medium, has a three-dimensional shape that allows it to cover the head when attached to the human head. As shown in Figure 18(C), the cooling medium storage bag 6, which contains multiple divided and connected sealed cooling media, is installed on the inner surface side of the surface member, which is a roughly hemispherical hollow shape, and is formed to be able to be attached to the head of a human body in a manner that matches the shape of the human head.

[0161] This configuration provides the effect of enabling significantly more efficient cooling of the entire head or a desired area of ​​the head.

[0162] In the head cooling device of the aforementioned "dependent configuration 21" to "dependent configuration 25" of the present invention, the following "dependent configuration 26" is preferably included. [Dependent Structure 26] The preferred head cooling device of the present invention is characterized in that, in the head cooling device of the "dependent configurations 21 to 25" described above, the cooling medium 3 is configured in the form of (a) a reusable sealed cooling medium in which a refrigerant that can be used repeatedly for cooling and heating is filled in a sealed container, and the cooling medium 3 is installed in a cooling medium storage bag 6 in a manner that allows it to be attached and removed.

[0163] For example, in the head cooling device shown in Figures 6 and 7, the cooling medium 3 is configured in the form of (a) a reusable sealed cooling medium in which a refrigerant that can be used repeatedly for cooling and heating is filled in a sealed container, and the cooling medium 3 is preferably installed in a cooling medium storage bag 6 in a manner that allows it to be attached and removed.

[0164] This configuration provides the following benefits: [Effect-f: The cooling medium 3 is installed on the inner surface side of the surface member 2 in a manner that allows it to be attached to and removed, thereby enabling the creation of a cooling medium with desired cooling performance and improving ease of use. Furthermore, a head cooling device is provided that consists of a reusable sealed cooling medium in the form of a sealed cooling medium in which a refrigerant that can be used repeatedly for cooling and heating is filled in a sealed container, resulting in economically superior reusability that allows for easy repeated use. Furthermore, a configuration having multiple segmented and connected sealed cooling mediums and / or a single sealed cooling medium allows the head cooling device to be attached in a bent state to match the shape of the head when the head cooling device is attached to the human head, allowing for comfortable wear without discomfort, and further improving the overall head cooling performance that allows for cooling of the entire head. Furthermore, the ability to be used repeatedly results in an economically advantageous effect.]

[0165] In the head cooling device shown in Figure 6, which illustrates the dependent configurations 21 to 26, either a configuration in which a protruding frame portion 21 is formed around the opening of the surface member, or a configuration in which the protruding frame portion 21 is not formed around the opening of the surface member, is possible. Preferably, the configuration in which the protruding frame portion 21 is formed around the opening of the surface member is preferred.

[0166] <Inner surface component 4 for storing and holding the cooling medium> In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configurations 20" of the present invention, the following configurations are preferably provided. [Dependent Structure 27] Furthermore, it is equipped with an inner surface member 4 for storing and holding a cooling medium, which is formed to cover and be attached to the head of a human body. The inner surface member 4 for storing and holding a cooling medium is configured such that the cooling medium 3 is positioned between the inner surface member 4 and the surface member 2. The cooling medium 3 is formed to be attached in a manner that matches the shape of the head and / or the inner surface of the surface member 2 when attached to the head of a human body, and is characterized by the fact that the cooling medium 3 is prevented from falling off the head of a human body.

[0167] This configuration provides the following effect: [Effect-a: In the configuration of the inner surface member 4 for storing and holding the cooling medium, the cooling medium 3 can be held by the surface member 2, and the phenomenon of the cooling medium 3 falling out of the head cooling device is suppressed].

[0168] Particularly preferred is a configuration in which a predetermined peripheral region of the inner surface member 4 for storing and holding the cooling medium and a predetermined peripheral region of the surface member 2 are joined to each other so as to be able to open and close, and the cooling medium 3 is housed between the inner surface member 4 for storing and holding the cooling medium and the surface member 2 so as to be able to be attached and detached. Particularly preferable is that a predetermined peripheral region of the inner surface member 4 for housing and holding the cooling medium and a predetermined peripheral region of the surface member 2 are joined to each other so as to be able to be joined and separated, and the cooling medium 3 is housed between the inner surface member 4 and the surface member 2 so as to be able to be attached and detached. Particularly preferable is a storage portion formed by joining predetermined peripheries of the inner surface member 4 for storing and holding the cooling medium and the surface member 2 to each other, and the cooling medium 3 is detachably stored between the inner surface member 4 and the surface member 2 for storing and holding the cooling medium.

[0169] Particularly preferably, the surface member 2 has a surface member opening peripheral projection frame portion 21 formed on the inner surface side of the area surrounding the substantially semi-spherical hollow opening of the surface member 2, and a surface member inner surface recess is formed to a predetermined depth surrounded by the surface member 2 and the surface member opening peripheral projection frame portion 21, and a storage portion is formed where the predetermined peripheries of the cooling medium storage and holding inner surface member 4, the surface member 2 and the surface member opening peripheral projection frame portion 21 are joined to each other, and the cooling medium 3 is stored between the cooling medium storage and holding inner surface member 4 and the surface member 2 in a manner that allows for attachment and removal.

[0170] The material used to constitute the inner surface member 4 for storing and holding the cooling medium is not particularly limited, but examples include fabric materials such as woven or nonwoven textiles, mesh materials, net-like materials, plastic films, elastic and flexible sheet materials, plastic molded materials formed into a predetermined shape, rubber molded materials, laminated plastic film sheets with metal foils such as aluminum foil laminated on them, plastic films having a metal vapor-deposited film such as aluminum, nonwoven fabrics having a metal vapor-deposited film, flexible foamed plastic sheets, and the like. In particular, a sheet material having elasticity and flexibility that can alleviate discomfort caused by the hardness of the cooling medium when worn on the human head is preferred. For example, a sheet material having elasticity and flexibility prepared from cotton nonwoven fabric, flexible foamed plastic, or napped fabric is preferred. This results in a head cooling device that suppresses both the detachment of the cooling medium and the discomfort caused by the hardness of the cooling medium. Furthermore, an inner surface member 4 for storing and holding the cooling medium, having a laminated sheet formed by laminating a thin metal film sheet such as aluminum foil, a metal vapor-deposited film, or a metal vapor-deposited nonwoven fabric with a sheet having mechanical strength such as a nonwoven fabric, woven fabric, or plastic film, is also preferably implemented. This results in a head cooling device in which the cold air from the cooling medium is uniformly conducted throughout the entire head due to the excellent thermal conductivity of the metal material, and mechanical damage to the inner surface member 4 for storing and holding the cooling medium is suppressed.

[0171] It is preferable to implement a configuration in which at least two portions of the inner surface member 4 for storing and holding the cooling medium are connected to the peripheral edge of the opening of the surface member 2, so that the inner surface member 4 and the surface member 2 form an inner surface storage section. There are no particular restrictions on the means of connecting the inner surface member 4 and the surface member 2, but it is preferable to use means such as adhesive tape, adhesive, hook-and-loop fastener, or zipper.

[0172] Figure 8 is a schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. For example, as shown in Figures 8(A) and (B), the head cooling device includes an inner surface member 4 for storing and holding a cooling medium that can be attached to cover the head of a person. The inner surface member 4 for storing and holding a cooling medium is configured such that the cooling medium 3 is positioned between the inner surface member 4 and the surface member 2. The cooling medium 3 is formed to conform to the shape of the head when attached to the head of a person, and its detachment from the head is suppressed. For example, Figure 8(A) shows a configuration in which the cooling medium 3 comprises multiple cooling mediums 3, and Figure 8(B) shows a configuration in which the cooling medium 3 is divided into multiple cooling mediums 3a, 3b, and 3c. The surface member 2 has a surface member opening peripheral protruding frame portion 21 formed on the inner surface side of the area surrounding the substantially hemispherical hollow opening of the surface member 2. In Figures 8(A) and (B), a predetermined peripheral region of the cooling medium storage and holding inner surface member 4 and a predetermined peripheral region of the surface member opening peripheral protruding frame portion 21 are joined to each other so as to be able to open and close, and the inner surface recess of the surface member is formed to become a storage portion, and the cooling medium 3 is stored in the storage portion so as to be able to be attached and detached. Furthermore, it is also possible to implement a configuration in which, without the surrounding protruding frame portion 21 of the opening of the surface member, a predetermined peripheral region of the inner surface member 4 for storing and holding the cooling medium and a predetermined peripheral region of the surface member are joined to each other so as to be able to open and close, and the cooling medium 3 is installed and detachably stored between the inner surface member 4 for storing and holding the cooling medium and the surface member 2.

[0173] In the head cooling device of the aforementioned "dependent configuration 21" to "dependent configuration 26" of the present invention, the following configuration is preferably provided. [Dependent Structure 28] ·In a head cooling device including a cooling medium storage bag 6 for storing the above-described cooling medium 3, further comprising an inner surface member 4 for storing and holding the cooling medium, which is formed to be wearable covering the human head, the inner surface member 4 for storing and holding the cooling medium is configured such that the cooling medium storage bag 6 storing the cooling medium 3 is positioned between the inner surface member 4 for storing and holding the cooling medium and the surface member 2. The cooling medium 3 is formed to be wearable in a state conforming to the shape of the human head and / or the inner surface of the surface member 2 when worn on the human head, and the cooling medium 3 is prevented from falling off the human head.

[0174] For example, as shown in FIG. 8(C), the head cooling device includes an inner surface member 4 for storing and holding the cooling medium, which is formed to be wearable covering the human head, and the cooling medium 3 stored in the cooling medium storage bag 6 is configured to be positioned between the inner surface member 4 for storing and holding the cooling medium and the surface member 2. The cooling medium 3 is formed to be wearable in a state conforming to the shape of the human head and / or the inner surface of the surface member 2 when worn on the human head, and the cooling medium 3 is prevented from falling off the human head. In FIG. 8(C), the cooling medium 3 is a cooling medium having a large area, but it is not limited thereto. The cooling medium 3 may have a configuration including a plurality of cooling media 3, and a configuration in which a plurality of cooling media 3 are stored in the cooling medium storage bag 6 is also feasible. Also, a configuration including a plurality of divided cooling media 3a, 3b, 3c, and a configuration in which a plurality of divided cooling media 3a, 3b, 3c are stored in the cooling medium storage bag 6 is also feasible.

[0175] With this configuration, [Effect b: The above-described "Effect a" to "Effect f" are obtained, and the cooling medium 3 can be held by the surface member 2, and the phenomenon of the cooling medium 3 falling off the head cooling device is further suppressed.] A head cooling device having such an effect can be obtained.

[0176] In the head cooling device of the aforementioned "subordinate configuration 27" or "subordinate configuration 28" of the present invention, preferably, it has the following configuration. [Subordinate configuration 29] · The inner surface member 4 for storing and holding the cooling medium constitutes a flexible sheet-like inner surface member 41 for storing and holding the cooling medium that can be deformed to conform to the shape of the inner surface of the human head and / or the surface member. Surrounded by the inner surface member 41 for storing and holding the cooling medium and the surface member 2, a surface member inner surface member cooling medium storage portion is formed, and the cooling medium 3 is installed in the surface member inner surface member cooling medium storage portion. When worn on the human head, the cooling medium 3 can be worn in a state that conforms to the shape of the inner surface of the human head and / or the surface member 2, and the cooling medium 3 is prevented from falling off the human head. It is characterized by this.

[0177] With this configuration, [Effect list-c: The aforementioned "Effect list-a" and / or the aforementioned "Effect list-b" are obtained, and the inner surface member 4 for storing and holding the cooling medium can be installed on the inner surface of the human head and / or the surface member in a state where the generation of gaps is suppressed. The effect of cooling the human head is significantly improved, and the effect of preventing the cooling medium from falling off the head] is obtained.

[0178] Preferably, a configuration in which the cooling medium 3 or the cooling medium storage bag 6 containing the cooling medium is stored and installed in the surface member inner surface member cooling medium storage portion in a state where it can be attached and detached is preferable. With this configuration, [Effect list-d: The aforementioned "Effect list-c" is obtained, the cooling medium is prevented from falling off the head, and a desired cooling medium can be replaced and stored in the surface member inner surface member cooling medium storage portion, and the effect of cooling the human head is significantly improved. effect] is obtained.

[0179] In the head cooling device of the aforementioned "subordinate configuration 27" or "subordinate configuration 28" of the present invention, preferably, it has the following configuration. [Subordinate configuration 30] The inner surface member 4 for storing and holding the cooling medium has a similar-shaped inner surface member 42 made of soft plastic molded, which is similar in shape to the inner surface of the surface member and has a form that can maintain a substantially semi-spherical hollow shape, and the similar-shaped inner surface member 42 made of soft plastic molded, which has an similar-shaped inner surface member made of elastic rubber plastic molded, and / or a similar-shaped inner surface member made of soft synthetic plastic molded, which is characterized in that. The internal component 42 for housing and holding a similar-shaped cooling medium, made of soft plastic, is preferably made of a soft plastic molding material that has sufficient flexibility to prevent the human head from feeling hardness when attached to the human head, and that can maintain a roughly semi-spherical hollow shape.

[0180] In this configuration, the inner surface member 4 for storing and holding the cooling medium is constructed separately from the surface member 2. After placing the cooling medium 3 on the inner surface side of the surface member 2, the inner surface member 4 for storing and holding the cooling medium is placed on the surface member 2 in a state where it is pressed toward the surface member 2 via the cooling medium 3 to form a head cooling device. Subsequently, the head cooling device is attached to the head of a person and used. In this configuration, it is preferable to implement a configuration in which the periphery of the inner surface member 4 for storing and holding the cooling medium is engaged or joined to the periphery of the surface member 2 in a manner that allows for easy attachment and removal.

[0181] The material of the internal component 42 for housing and holding a similar-shaped cooling medium, which is made of soft plastic molding, is not particularly limited, but for example, it can be made of silicone rubber molding material, urethane rubber molding material, synthetic rubber molding material, soft polyvinyl chloride molding material, polyethylene-based soft molding material, etc. The shape of the internal component 42 for storing and holding a similar-shaped cooling medium, which is made of molded soft plastic, can be a grid shape with ribs formed at predetermined intervals, a mesh shape with numerous through holes, or a shape with surfaces without through holes. Furthermore, the thickness of the soft plastic molded similar-shaped inner surface member 42 for housing and holding the cooling medium is not particularly limited, but can be 0.2 to 5 mm, preferably 0.5 to 3 mm, and can be configured to have a thickness sufficient to maintain a substantially hemispherical hollow shape.

[0182] This configuration yields [Effect Re-e: "Effect Re-a" or "Effect Re-b", This method allows for installation without causing the human head to feel any hardness, while suppressing the occurrence of gaps between the cooling medium and the similar-shaped internal member 42 made of soft plastic for housing and holding the cooling medium, and / or between the internal member 42 made of soft plastic for housing and holding the cooling medium and the human head, thereby significantly improving the effect of cooling the human head.

[0183] In the head cooling device shown in Figure 8, which illustrates the dependent configurations 27 to 30, either a configuration in which a protruding frame portion 21 is formed around the opening of the surface member, or a configuration in which the protruding frame portion 21 is not formed around the opening of the surface member, is possible. Preferably, the configuration in which the protruding frame portion 21 is formed around the opening of the surface member is preferred.

[0184] <Inner surface member for holding the cooling medium head 5> In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configurations 20" of the present invention, the following configurations are preferably provided. [Dependent Structure 31] Furthermore, the device includes an inner surface member 5 for holding the cooling medium head, which can cover and attach the cooling medium. The cooling medium is installed on the human head side, and the inner surface member 5 for holding the cooling medium head is configured to be positioned between the cooling medium installed on the human head side and the surface member when it is covered and attached to the human head. This allows the cooling medium 3 to be attached in a state that matches the shape of the human head and / or the inner surface of the surface member 2, and the inner surface member 5 for holding the cooling medium head and / or the surface member 2 are formed to press the cooling medium 3 toward the human head.

[0185] This configuration provides the following effect: [Effect N-a: The aforementioned "Effect I" to "Effect T" are obtained, and the cooling medium 3 is pressed towards the human head by the inner surface member 5 for holding the cooling medium head, resulting in a significant improvement in the cooling effect on the hair and / or scalp surface].

[0186] Figure 9 is a schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. In Figure 9(A), when the head cooling device is worn covering the head of a person, the cooling medium 3 is positioned on the head side of the person, the cooling medium head-holding inner surface member 5 is positioned covering the cooling medium 3, and the surface member 2 is positioned covering the cooling medium head-holding inner surface member 5, so that the cooling medium 3 can be worn in a state that matches the shape of the head of the person, and the cooling medium head-holding inner surface member 5 and / or surface member are positioned so that the cooling medium 3 can be pressed towards the head of the person.

[0187] Figure 9(B) shows a head cooling device configured as a cooling medium 3 as shown in Figure 9(A), comprising multiple cooling mediums 3a, 3b, and 3c, which are divided into multiple parts. The multiple cooling mediums 3a, 3b, and 3c are located on the human head side, and an inner cooling medium head-holding member 5 is positioned to cover the multiple cooling mediums 3a, 3b, and 3c. A surface member 2 is positioned to cover the inner cooling medium head-holding member 5. The multiple cooling mediums 3a, 3b, and 3c can be attached in a manner that matches the shape of the human head, and the inner cooling medium head-holding member 5 and / or surface member 2 are positioned to press the multiple cooling mediums 3a, 3b, and 3c toward the human head. The multiple cooling media 3a, 3b, and 3c can include a sealed cooling medium in which the refrigerant 31 is filled in a flexible sealed container 32, a reusable sealed cooling medium in which the refrigerant 31 is filled in a flexible sealed container 32, a sealed cooling medium in which the refrigerant 31 is filled in a flexible sealed container 32 divided into multiple parts, or a reusable sealed cooling medium in which the refrigerant 31 is filled in a flexible sealed container 32 divided into multiple parts.

[0188] In the head cooling device of the aforementioned "dependent configuration 21" to "dependent configuration 26" of the present invention, the following configuration is preferably provided. [Dependent Structure 32] Furthermore, the device is equipped with an inner surface member 5 for holding the cooling medium head, which can be attached to cover a cooling medium storage bag 6 containing the cooling medium 3. The cooling medium storage bag 6 containing the cooling medium 3 is installed on the head side of the human body, and the inner surface member 5 for holding the cooling medium head is configured to be positioned between the cooling medium storage bag 6 containing the cooling medium 3 installed on the head side and the surface member when attached to cover the head of the human body, so that when attached to the head of the human body, the cooling medium 3 can be attached in a state that matches the shape of the head and / or the inner surface of the surface member 2, and the inner surface member 5 for holding the cooling medium head and / or the surface member 2 are formed so that the cooling medium 3 can be pressed towards the head of the human body.

[0189] Specifically, as shown in Figure 9(C), the device further includes a cooling medium storage bag 6 for storing the cooling medium 3. The cooling medium storage bag 6 has the flexibility to deform to match the shape of the human head and / or the inner surface of the surface member when it is worn covering the human head. The cooling medium storage bag 6 is installed on the inner surface side of the surface member, and the cooling medium 3 is placed inside the cooling medium storage bag 6. When the cooling medium storage bag 6, which is installed on the inner surface side of the surface member 2 and contains the cooling medium 3, is worn on the human head, the cooling medium 3 can be fitted in a state that matches the shape of the human head, and the detachment of the cooling medium 3 from the human head is suppressed. The device includes an inner surface member 5 for holding the cooling medium head, which can be attached to cover a cooling medium storage bag 6 containing the cooling medium 3. The cooling medium storage bag 6 containing the cooling medium 3 is installed on the side of the human head, and the inner surface member 5 for holding the cooling medium head is configured to be positioned between the cooling medium storage bag 6 containing the cooling medium 3 installed on the side of the human head and the surface member when attached to cover the human head. When attached to the human head, the cooling medium 3 can be attached in a state that matches the shape of the human head, and the inner surface member 5 and / or surface member 2 are formed to be able to press the cooling medium 3 toward the human head.

[0190] With this configuration, [Effect NU-b: The above-described "Effect CH-a" to "Effect CH-f" can be obtained with the configuration including the cooling medium storage bag 6, and with the configuration including the inner surface member 5 for holding the head of the cooling medium, the cooling medium 3 is pressed by the inner surface member 5 for holding the head of the cooling medium toward the human head side, and as a result, the cooling effect on the hair and / or the scalp surface is remarkably improved].

[0191] In the head cooling appliance of the above-described "Dependent Configuration 27" to "Dependent Configuration 32" of the present invention, preferably, it has the following configuration. That is, in the head cooling appliance including the above-described inner surface member 4 for storing and holding the cooling medium or the inner surface member 5 for holding the head of the cooling medium of the present invention, preferably, it has the following configuration. [Dependent Configuration 33] The inner surface member 4 for storing and holding the cooling medium or the inner surface member 5 for holding the head of the cooling medium is formed having at least one sheet-like material selected from the group consisting of the following (a) to (k). (a) A breathable sheet-like material having air permeability in the form of mesh, and / or net, and / or raschel, and / or double raschel. (b) A non-woven fiber sheet-like material formed from non-woven fibers. (c) A woven fiber sheet-like material formed from woven fibers. (d) A stretchable sheet-like material formed from a stretchable cloth material. (e) A plastic film sheet-like material. (f) A rubber sheet-like material having rubber elasticity. (g) A sheet-like material with a metal vapor deposition thin film formed on a sheet-like base material. (h) A metal foil laminated sheet-like material formed by laminating a metal foil sheet on a fiber sheet-like material. (i) A metal foil laminated sheet-like material formed by laminating a metal foil sheet on a plastic film sheet-like material. (j) A sheet-like material containing a metal vapor deposition film formed by vapor-depositing a metal thin film on a fiber sheet-like material. (k) A sheet-like material containing a metal vapor deposition film formed by vapor-depositing a metal thin film on a plastic film sheet-like material. (e) Metal foil sheet material. (W) Woven fabric sheet material, non-woven fabric sheet material, plastic film sheet material, and / or rubber sheet material, which is an elastic sheet material having elasticity. (c) A sheet material made of woven fabric, a sheet material made of nonwoven fabric, and / or a sheet material made of plastic film, having at least one through-hole selected from the group consisting of mesh-like through-holes, net-like through-holes, mesh-like through-holes, and micro-through-holes. (Yo) A laminated sheet material obtained by laminating at least two of the following: a plastic film sheet, a nonwoven fabric sheet, a cloth sheet, a metal foil, or a metal thin film-adhered material. Preferably, the inner surface member 4 for storing and holding the cooling medium or the inner surface member 5 for holding the cooling medium head has a similar shape inner surface member that, when attached to the human head, has a shape similar to the shape of the inner surface of the human head and / or the surface member.

[0192] This configuration provides the following effects: [Effect Nu-c: The aforementioned "Effect Ri-a to Effect Ri-d", "Effect Nu-a", and "Effect Nu-b" are obtained, the cooling medium 3 can be well retained on the surface member 2, and the phenomenon of the cooling medium 3 falling off the head cooling device is well suppressed].

[0193] In the head cooling device of the aforementioned "dependent configuration 27" to "dependent configuration 33" of the present invention, the following configuration is preferably provided. That is, in the head cooling device of the present invention equipped with the aforementioned inner surface member 4 for storing and holding the cooling medium or the inner surface member 5 for holding the cooling medium on the head, the following configuration is preferably provided. [Dependency Structure 34] The cooling medium 3 is characterized by being installed in a manner that allows for easy attachment and removal. This configuration provides the following effect: [Effect nu-d: The cooling medium 3 can be attached to and detached from the inner surface of the surface member 2 or the human head, enabling the creation of a cooling medium with desired performance and improving ease of use].

[0194] In addition, in the head cooling device shown in Figure 9, which illustrates the dependent configurations 31 to 34, either a configuration in which a protruding frame portion 21 is formed around the opening of the surface member, or a configuration in which the protruding frame portion 21 is not formed around the opening of the surface member, is possible. Preferably, the configuration in which the protruding frame portion 21 is formed around the opening of the surface member is preferred.

[0195] <Inner surface member on the head side 7> In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configurations 34" of the present invention, a head cooling device of "dependent configuration 35" having the following configuration can be implemented. [Dependent Structure 35] Furthermore, it is characterized by comprising a head-side inner surface member 7 which is located on the inner surface of the cooling medium and is detachably installed on the head side of the human body.

[0196] This configuration provides the following effect: When the inner surface member 7 on the head side is fitted to cover the human head, it becomes possible to deliver the cold air of the cooling medium to the human head in the desired cold state, resulting in a significant improvement in the head cooling effect, which cools the human head to the desired comfortable state. For example, if the cooling medium becomes too cold and causes discomfort to the human head, a head-side inner surface member 7 with appropriate heat insulation properties can be attached to the human head side and made removable. For example, the head-side inner surface member 7, which is made of a metal material that can compress the head to act as a cooling medium, or has good thermal conductivity that facilitates the conduction of cold air, is attached to and detached from the human head.

[0197] For example, in the case of a person with a lot of hair, [Effect - a: When the inner surface member 7 on the head side is fitted to cover the head, the gaps between the hairs are reduced, thereby reducing the gap between the cooling medium and the head. As a result, the cold air from the cooling medium can be efficiently transferred to the head, and the head cooling effect can be significantly improved. In particular, the effect of efficiently cooling the entire head can be obtained.] Furthermore, [Effect - b: By configuring the head-side inner surface member 7 as either a moisturizing agent-retaining head-side inner surface member 71 or a moisture-absorbing head-side inner surface member 72, when worn on the human head, it moistens and presses against the hair, reducing the gaps between the hairs. This reduces the gap between the cooling medium and the human head, allowing the cold air from the cooling medium to be efficiently transferred to the human head, significantly improving the head cooling effect. In particular, it provides the effect of efficiently cooling the entire human head.]

[0198] In this invention, "inner surface side of the surface member" means "the side of the surface member that is located on the human head side when the head cooling device is attached to the human head," and "inner surface side of the cooling medium 3" means "the side of the cooling medium 3 that is located on the human head side when the head cooling device is attached to the human head."

[0199] In the head cooling device of the aforementioned "dependent configuration 35" of the present invention, a head cooling device of "dependent configuration 36" having the following configuration can be implemented. [Dependency Structure 36] Furthermore, the device includes a head-side inner surface member 7 configured to be installed on the inner surface of the cooling medium and on the head side of the human body. The head-side inner surface member 7 is designed to cover and attach to the head of the human body when attached, and to be in contact with the head, and to be able to press the hair toward the head. The head-side inner surface member 7 comprises (a) a head-side inner surface member 71 containing a hair moisturizer, and the head-side inner surface member 71 containing a hair moisturizer has a form in which a hair moisturizer is held and contained in at least one sheet-like moisturizer-holding material selected from the group consisting of a nonwoven fiber sheet, a woven fiber sheet, and a soft open-cell foam sheet. When attached to the human head, it is designed to cover the head and be in contact with the head, and to be able to press the hair toward the head. Preferably, it is formed to be able to contact the human head and to be able to press the hair toward the human head.

[0200] In the head cooling device of the aforementioned "dependent configuration 35" of the present invention, a head cooling device of "dependent configuration 37" having the following configuration can be implemented. [Dependent Structure 37] Furthermore, the device includes a head-side inner surface member 7 configured to be installed on the inner surface of the cooling medium and on the head side of the human body. The head-side inner surface member 7 is designed to cover and attach to the head of the human body when attached, and to be in contact with the head, and is formed to press the hair toward the head. The head-side inner surface member 7 comprises (a) a head-side inner surface member 71 containing a hair moisturizer, and the head-side inner surface member 71 containing a hair moisturizer has a form in which a sheet-like moisturizer retaining material holds and contains a hair moisturizer. The sheet-like moisturizing agent retaining material comprises at least one sheet-like moisturizing agent retaining material selected from the group consisting of nonwoven fiber sheets, woven fiber sheets, and soft open-cell foam sheets, and the hair moisturizing agent comprises at least one hair moisturizing agent selected from the group consisting of water, alcohol, polyhydric alcohol, hydrated water-soluble polymer, hydrated gelatin, and gel-like hydrated polymer. When attached to the human head, it is designed to cover the head and be in contact with the head, and to be able to press the hair toward the head. Preferably, it is formed to be able to contact the human head and to be able to press the hair toward the human head.

[0201] The nonwoven fiber sheets and woven fiber sheets are not particularly limited, but can be made from general-purpose fibers such as polyester fibers, polyamide fibers, acrylic fibers, cotton fibers, wool fibers, etc., and can be made from fabrics such as nonwoven, woven, or knitted fabrics. The flexible open-cell foam sheet is not particularly limited, but for example, materials having porous open cells, such as open-cell foamed polyurethane or open-cell foamed polyethylene, can be used.

[0202] While not particularly limited, at least one moisturizer selected from the group consisting of water, alcohol, polyhydric alcohol, water-soluble polymer, and water-soluble gelatin is preferably used, and a fluid hair moisturizer can be implemented.

[0203] The above-mentioned sheet-like humectant-holding material has a porous nature with numerous micro-voids, and the above-mentioned humectant is impregnated and / or held within these micro-voids.

[0204] This configuration provides the aforementioned "effect," and because the head-side inner surface member 71, which contains a hair moisturizer, is configured as the head-side inner surface member 7, when worn on the human head, it moistens and presses the hair, reducing the gaps between the hairs. This increases the conduction of cold air to the entire head by the hair moisturizer and reduces the gap between the cooling medium and the human head. As a result, the cold air from the cooling medium can be efficiently transmitted to the human head, and the head cooling effect can be significantly improved. In particular, the effect of efficiently cooling the entire human head is obtained.

[0205] Figure 10 shows a schematic diagram illustrating the configuration of a head cooling device in one embodiment of "dependent configuration 36" and "dependent configuration 37". Figure 10 is a schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. In Figures 10(A), (B), and (C), the head cooling device is wearable over the head and comprises a surface member 2 having a substantially semi-spherical hollow shape that can be worn over the head and a cooling medium 3 installed on the inner surface side of the surface member, wherein when worn over the head, the cooling medium 3 is positioned between the surface member and the head, and the head is configured to be cooled. The device also comprises a head-side inner surface member 7 that can contact the head, can be worn over the head, and can be installed on the head side of the cooling medium.

[0206] In other words, as shown in Figures 10(A) and (B), the head cooling device includes a head-side inner surface member 7 that is configured to be installed on the head side of the cooling medium 3 when the head cooling device is worn over the head. The head-side inner surface member 7 is composed of a head-side inner surface member 71 containing a hair moisturizer. The cooling medium 3 is placed over the head-side inner surface member 7, and further, a surface member is placed over the cooling medium 3. In Figure 10(A), the cooling medium 3 is made up of multiple cooling mediums 3 arranged together. In Figure 10(B), the cooling medium 3 is made up of multiple cooling mediums (3a, 3b, 3c) which are divided into multiple parts.

[0207] In Figure 10(C), the head cooling device includes a head-side inner surface member 7 that is configured to be installed on the head side of the cooling medium 3 when the head cooling device is worn over the head. The head-side inner surface member 7 is composed of a head-side inner surface member 71 containing a hair moisturizing agent. The cooling medium 3 is placed over the head-side inner surface member 7, and a surface member is placed over the cooling medium 3. Here, the cooling medium 3 is configured as a cooling medium 3 stored in a cooling medium storage bag 6, and a surface member is arranged to cover the cooling medium 3.

[0208] In Figure 10, the surface member 2 can preferably be a heat-insulating surface member 2a, a plastic foam molding material 2b, etc.

[0209] In the head cooling device of the aforementioned "dependent configuration 35" of the present invention, preferably a head cooling device having the following configuration can be implemented. [Dependency Structure 38] Furthermore, the cooling medium is equipped with a head-side inner surface member 7 configured to be installed on the inner surface side of the cooling medium and on the side of the human head, wherein the head-side inner surface member 7 is formed to be able to cover and attach to the human head when attached to the human head, and to be able to contact the human head, and to be able to press the hair toward the human head, and the head-side inner surface member 7 is equipped with (b) a moisture-absorbing head-side inner surface member 72, wherein the moisture-absorbing head-side inner surface member 72 is a sheet-like moisture-absorbing head-side inner surface member 72 having the property of absorbing at least one moisture selected from the group consisting of a nonwoven fiber sheet, a woven fiber sheet, and a soft open-cell foam sheet.

[0210] This configuration provides the following effect: [Effect - d: The aforementioned "Effect" is obtained, and in a configuration in which a sheet-like moisture-absorbing head-side inner surface member 72 is configured as the head-side inner surface member 7, nonwoven fiber sheets, woven fiber sheets, and soft open-cell foam sheets generally have a soft hardness that does not cause the head to feel hardness. Therefore, when worn on the head, they are fitted to the head in a way that conforms to the shape of the head and adheres closely to the head, and absorb moisture generated by the cold air from the cooling medium during use, preventing the generated moisture from leaking out to areas other than the head, thereby suppressing discomfort during wear].

[0211] Figure 11 shows a schematic diagram illustrating the configuration of a head cooling device in one embodiment of "Dependent Configuration 38". Figure 11 is a schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. In Figures 11(A) and (B), the head cooling device includes a head-side inner surface member 7 that is configured to be installed on the head side of the cooling medium 3 when the head cooling device is worn covering the head. The head-side inner surface member 7 is made of a sheet-like moisture-absorbing head-side inner surface member 72. The cooling medium 3 is placed covering the head-side inner surface member 7, and a surface member is placed covering the cooling medium 3. In Figure 11(A), the cooling medium 3 consists of one cooling medium 3. In Figure 11(B), the cooling medium 3 is made up of multiple cooling mediums (3a, 3b, 3c) which are divided into multiple parts.

[0212] In Figure 11(C), the head cooling device includes a head-side inner surface member 7 that is configured to be installed on the head side of the cooling medium 3 when the head cooling device is worn over the head. The head-side inner surface member 7 is made up of a sheet-like moisture-absorbing head-side inner surface member 72. The cooling medium 3 is placed over the head-side inner surface member 7, and a surface member is placed over the cooling medium 3. Here, the cooling medium 3 is configured as a cooling medium 3 stored in a cooling medium storage bag 6, and a surface member is arranged to cover the cooling medium 3.

[0213] In Figure 11, the surface member 2 can preferably be a heat-insulating surface member 2a, a plastic foamed molding material 2b, etc.

[0214] In the head cooling device of the aforementioned "dependent configuration 35" of the present invention, preferably a head cooling device having the following configuration can be implemented. [Dependent Structure 39] Furthermore, the cooling medium is provided with a head-side inner surface member 7 which is configured to be installed on the inner surface side and on the head side of the human body, and the head-side inner surface member 7 is formed to be able to cover and attach to the head of the human body when attached to the head of the human body, and to be able to press the hair toward the head side, and the head-side inner surface member 7 is provided with (c) a hair-pressing head-side inner surface member 73. The inner surface member 73 on the head side for pressing against the hair is formed of at least one sheet-like material selected from the group consisting of (a) to (y) below, and is formed to be able to press against the hair of the human body when attached to the head. (i) A breathable sheet material having a mesh-like and / or net-like and / or raschel-like and / or double raschel-like structure. (b) A sheet-like material made of nonwoven fabric fibers. (h) A sheet-like material made of woven fibers. (ii) A sheet-like material made from an expandable, stretchable fabric. (e) Plastic film-like material. (h) A sheet-like rubber material with rubber elasticity. (T) A sheet-like material with a metal thin film attached, formed by depositing a metal thin film on a sheet-like substrate. (C) A fibrous sheet-metal foil laminated sheet material, formed by laminating a metal foil sheet onto a fibrous sheet material. (i) A film-sheet-metal foil laminated sheet material formed by laminating a metal foil sheet onto a plastic film-sheet material. (Nu) A fibrous sheet material containing a metal vapor-deposited film, formed by vapor-depositing a thin metal film onto a fibrous sheet material. (L) A film sheet containing a metal vapor-deposited film, formed by vapor-depositing a thin metal film onto a plastic film sheet. (e) Metal foil sheet material. (W) Woven fabric sheet material, non-woven fabric sheet material, plastic film sheet material, and / or rubber sheet material, which is an elastic sheet material having elasticity. (c) A sheet material made of woven fabric, a sheet material made of nonwoven fabric, and / or a sheet material made of plastic film, having at least one through-hole selected from the group consisting of mesh-like through-holes, net-like through-holes, mesh-like through-holes, and micro-through-holes. (Yo) A laminated sheet material obtained by laminating at least two of the following: a plastic film sheet, a nonwoven fabric sheet, a cloth sheet, a metal foil, or a metal thin film-adhered material.

[0215] The sheet-like material described above is preferably a sheet-like material having a thickness of 0.5 mm or less, and / or a sheet-like material that is flexible and can be bent into any shape to conform to the shape of the head.

[0216] This configuration provides the following effect: [Effect-e: The aforementioned "Effect" is obtained, and in a configuration in which a hair-pressing head-side inner surface member 73 formed from a sheet-like material is configured as the head-side inner surface member 7, since the sheet-like material generally has a relatively thin thickness and light weight, when worn on the head, it can press against the hair in accordance with the thickness and shape of the hair, and as a result, it becomes possible to efficiently transmit the cold air of the cooling medium to the human head, and the head cooling effect that cools the human head can be significantly improved].

[0217] Furthermore, [Effect Ru-f: In particular, in a configuration in which the inner surface member 73 for pressing hair on the head side contains a metal sheet material such as (t) a sheet member with a thin metal film, (chi) a sheet-like material made of fiber with a metal foil laminate, (ri) a sheet-like material made of film with a metal foil laminate, (nu) a sheet-like material made of fiber with a metal vapor deposition film, (ru) a sheet-like material made of film with a metal vapor deposition film, (o) a sheet-like material made of metal foil, the above-mentioned "Effect Ru-c" is obtained, and because metal materials generally have good thermal conductivity, when worn on the head, it becomes possible to uniformly transmit cool air to the entire surface of the head, suppressing non-uniformity of the head surface temperature depending on the location, and the effect of being able to cool the entire head uniformly and efficiently is obtained.]

[0218] Figure 12 shows a schematic diagram illustrating the configuration of a head cooling device in one embodiment of this "dependent configuration 39". Figure 12 is a schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. In Figures 12(A) and (B), the head cooling device includes a head-side inner surface member 7 that is configured to be installed on the head side of the cooling medium 3 when the head cooling device is worn covering the head. The head-side inner surface member 7 is configured as a hair-pressing head-side inner surface member 73. The cooling medium 3 is placed covering the head-side inner surface member 7, and further, a surface member is placed covering the cooling medium 3. In Figure 12(A), the cooling medium 3 consists of a single cooling medium 3 that covers the head. In Figure 12(B), the cooling medium 3 is made up of multiple cooling mediums 3a, 3b, and 3c, which are divided into multiple parts.

[0219] In Figure 12(C), the head cooling device includes a head-side inner surface member 7 that is configured to be installed on the head side of the cooling medium 3 when the head cooling device is worn over the head. The head-side inner surface member 7 is configured as a hair-pressing head-side inner surface member 73. The cooling medium 3 is placed over the head-side inner surface member 7, and a surface member is placed over the cooling medium 3. Here, the cooling medium 3 is configured as a cooling medium 3 stored in a cooling medium storage bag 6, and a surface member is arranged to cover the cooling medium 3.

[0220] In Figure 12, the surface member 2 can preferably be a heat-insulating surface member 2a, a plastic foam molding material 2b, etc.

[0221] In the head cooling devices of the aforementioned "dependent configurations 35" to "dependent configurations 39" of the present invention, a head cooling device having the following configuration can preferably be implemented. In other words, a head cooling device comprising the above-mentioned head-side inner surface member 7 configured to be installed on the inner surface side of the cooling medium and on the head side of the human body, wherein the head-side inner surface member 7 is configured to cover and attach to the human head when attached to the human head, and to be in contact with the human head, and to be able to press the hair toward the head side, preferably having the following configuration. [Dependent Structure 40] The head-side inner surface member 7, the surface member 2, and the cooling medium 3 are formed separately without being joined to each other, the head-side inner surface member 7 is formed to cover and be attached to a human head, the cooling medium 3 is formed to cover the head-side inner surface member 7 that is attached to the human head, and the surface member 2 is formed to cover the cooling medium 3.

[0222] This configuration provides the following effect: [Effect - g: The head-side inner surface member 7, the surface member 2, and the cooling medium 3 are configured as separate components without being joined to each other. When attaching each component of the head-side inner surface member 7, the cooling medium 3, and the surface member 2 to the human head, it becomes possible to select and attach each component of the head-side inner surface member 7, the cooling medium 3, and the surface member 2 that has the optimal size and shape to match the size and shape of the human head. As a result, the gaps between each component of the head-side inner surface member 7, the cooling medium 3, and the surface member 2 are significantly reduced, allowing for a fit that conforms to the shape of the wearer's head, resulting in a comfortable fit. Furthermore, the cold air from the cooling medium can be efficiently transmitted to the human head, improving the cooling effect on the head.]

[0223] As an example of a head cooling device equipped with the "dependent configuration 40", in the head cooling device shown in Figures 10, 11, and 12 above, the head cooling device is configured such that the head-side inner surface member 7, the surface member 2, and the cooling medium 3 are separate components and are not joined to each other, the head-side inner surface member 7 is formed to be able to cover and be attached to the head of a person, the cooling medium 3 is formed to be able to be attached to cover the head-side inner surface member 7 which is attached to the head of a person, and the surface member 2 is formed to be able to be attached to cover the cooling medium 3.

[0224] Furthermore, in the head cooling device shown in Figures 10-12, which illustrates the dependent configurations 35-39, either a configuration in which a protruding frame portion 21 around the opening of the surface member is formed, or a configuration in which the protruding frame portion 21 around the opening of the surface member is not formed, is possible.

[0225] <Head side inner surface member 8 for suppressing supercooling, cold air blocking member 81 for suppressing supercooling> In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configurations 34" of the present invention, the following configurations are preferably provided. [Dependent Structure 41] Furthermore, the device includes an overcooling suppression head-side inner surface member 8 configured to be installed on the inner surface of the cooling medium and on the side facing the human head. The overcooling suppression head-side inner surface member 8 is designed to cover the human head when attached to it, and to suppress the cold air reaching the human head from the cooling medium. The head-side inner surface member 8 for suppressing overcooling has an overcooling-suppressing cold air-blocking member 81 that has the function of suppressing the transmission of cold air, and the overcooling-suppressing cold air-blocking member 81 is formed of at least one material from the materials described in (a) to (m) below, or a sheet material, plastic molded material, or rubber molded material described in (n) to (q).

[0226] A thermally conductive insulating material that has the function of suppressing heat conduction of at least one of the following: (a) a foamed plastic material, (b) a heat-insulating nonwoven fabric material, and (c) a laminated nonwoven fabric material formed by stacking multiple nonwoven fabrics. A metal film radiant heat insulating material that has the function of blocking heat by radiation from at least one of the following: (d) a metal foil material, (e) a metal thin film material formed by metal vapor deposition, and (f) a metal thin film material with a substrate on which a metal thin film is attached to a plastic film substrate, a sheet-like nonwoven fabric substrate, or a sheet-like cloth substrate. A radiant heat conduction thermal insulation material that provides both a function to suppress heat conduction and a function to block heat by radiation, comprising: (g) a metal film-attached thermal insulation nonwoven fabric material obtained by attaching a metal film to a cotton-like thermal insulation nonwoven fabric; (h) a metal film-attached thermal insulation nonwoven fabric material obtained by attaching a metal film to a felt substrate or a needle-punched substrate; and (i) a metal film-attached flexible foamed plastic material obtained by attaching a metal film to a flexible foamed plastic.

[0227] An insulating fabric material having insulating properties, comprising at least one of the following: (j) a felt material prepared from fibers, (k) a needle-punched material prepared from fibers, (l) a napped fabric material prepared from fibers, and (m) a thick woven fabric material prepared from fibers.

[0228] (n) A plastic open-cell sheet material containing open cells. (o) A plastic sheet material containing closed cells. Preferably, the above-mentioned heat insulating material and / or sheet material is formed in a substantially semi-spherical hollow shape.

[0229] (p) A plastic or rubber molded material that is formed into a roughly semi-spherical hollow shape. (q) A plastic or rubber molded material that is formed into a roughly hemispherical hollow shape and has a degree of flexibility and / or elasticity that allows it to be bent.

[0230] This configuration provides the aforementioned [Effect-L: When the head-side inner surface member 7 is attached to cover the human head, it becomes possible to transmit the cold air from the cooling medium to the human head in the desired cold state, significantly improving the head cooling effect that cools the human head to the desired comfortable state], and in particular, [Effect-H: When the head cooling device is attached to the human head, the configuration in which the overcooling suppression head-side inner surface member 8 is installed between the cooling medium and the human head prevents the cooling medium from directly contacting the scalp, and adjusts the temperature of the cold air reaching the surface of the human head from the cooling medium to the desired cold air temperature, thereby suppressing the discomfort of being too cold for the wearer and allowing the temperature to be adjusted to a comfortable level].

[0231] As the above (a) thermal insulation foamed plastic material, a foamed plastic material containing microporous bubbles having a large number of microbubbles is preferably feasible. As a foamed plastic material containing microporous bubbles, a foamed plastic material containing microporous bubbles having a large number of microbubbles, each with a size of 0.5 mm or less, is preferred. In particular, a flexible foamed plastic material is also preferable, as it deforms to conform to the shape of the head when worn on the human head, and provides a comfortable fit without feeling any rigidity on the head. Examples of foamed plastic materials containing microporous bubbles and flexible foamed plastic materials that can be used include soft foamed polyurethane with open cells containing microporous bubbles, foamed silicone rubber, and soft polyethylene-based foams which are copolymers of polyethylene and other monomers.

[0232] Furthermore, the materials used for the thermal conductive insulating materials that perform the functions of suppressing heat conduction as described in (a), (b), and (c) above, the metal film radiant insulating materials that perform the functions of blocking heat by radiation as described in (d), (e), and (f), and the radiant thermal conductive insulating materials that perform both the functions of suppressing heat conduction and blocking heat by radiation as described in (g), (h), and (i) above are not particularly limited, and similar materials as described in "Dependent Configuration 2" above can be used. [Effect - a: The materials (a) to (i) above are insulating materials that exhibit the unique insulating properties of each material. When the insulating material is placed between the cooling medium and the human head, if the temperature of the cooling medium becomes too low, below approximately 2°C, the insulating material controls the temperature of the cold air reaching the human head, making it possible to control it to approximately 2°C to 15°C. This makes it possible to adjust the cold air on the human head side to a comfortable temperature of approximately 2°C to 15°C. Furthermore, the placement of the insulating material between the cooling medium and the human head also provides the effect of maintaining the cold air on the human head side at a comfortable temperature of approximately 2°C to 15°C for an extended period of time.]

[0233] Generally, commonly used clothing materials fall under one of the following categories: (j) felt, (k) needle-punched, (l) napped fabric, or (m) thick fabric. These fabrics possess the function of suppressing heat transfer due to their weaving method, density, thickness, and other methods of fiber arrangement. For example, they can be said to exhibit superior heat transfer suppression compared to plastic film materials. "Woven fabric" refers to woven and knitted fabrics, as well as other fabrics formed from long fibers into a predetermined shape. As for the heat-insulating fabric material having these heat-insulating properties, a heat-insulating fabric material having a thickness of approximately 0.3 mm or more is preferably feasible. This configuration yields the aforementioned [effect].

[0234] As the (n) plastic open-cell sheet material containing open cells described above, for example, a sheet material made of polyethylene, soft polyurethane, polyvinyl chloride, polyethylene copolymer resin, or other plastics, having a large number of open cells and a thickness of 0.5 to 10 mm, in which case a flexible closed-cell plastic sheet material can be used. Generally, sheet materials used as cushioning materials, gap-preventing materials, buffering materials, etc., can be used. Furthermore, for example, a plastic open-cell sheet material containing a large number of open cells having an expansion ratio of about 3 times or more can be preferably implemented. This configuration provides the following effect: [The air layer created by the open bubbles suppresses the transfer of cold air from the cooling medium. This prevents the cold air from the cooling medium from directly contacting the head through the solid plastic when the temperature of the cooling medium is too low (below approximately 2°C). Furthermore, the presence of air or other gases created by the open bubbles allows the head to feel a comfortable temperature of approximately 2°C to 15°C for an extended period. As a result, the cool air on the head can be maintained at a comfortable temperature of approximately 2°C to 15°C for an extended period, and a comfortable fit without feeling any hardness on the head is achieved.]

[0235] (o) The plastic sheet material containing closed cells mentioned above may be, for example, a plastic sheet material made from polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyester, or other conventional plastics, having a large number of closed cells and being 1 to 10 mm thick, wherein the size of each closed cell is about 0.5 mm or more, preferably about 0.5 to 10 mm, and a flexible closed-cell plastic sheet material can be preferably used. For example, sheet materials made from materials such as "bubble wrap," "bubble wrap" (product name / common name), "air cushion" (product name / common name), and "air cap" (product name / common name), which are commonly used as packaging cushioning materials, can be used. This configuration provides the following effect: [The gas bubbles caused by the closed cells have the effect of suppressing the transfer of cold air from the cooling medium. As a result, when the cold air temperature of the cooling medium is too low, below approximately 2°C, the cold air from the cooling medium does not come into direct contact with the head through the solid plastic. Furthermore, the presence of gas bubbles caused by the closed cells allows the human head to feel a comfortable cold air temperature of approximately 2°C to 15°C for an extended period. Consequently, the cold air on the head side can be maintained at a comfortable temperature of approximately 2°C to 15°C for an extended period, and a comfortable fit that does not cause the head to feel hardness is achieved.]

[0236] The plastic or rubber molded material formed in a roughly semi-spherical hollow shape as described in (p) above is not particularly limited, but for example, polyethylene, polyethylene polymers containing ethylene and other vinyl monomers, polypropylene, polyvinyl chloride, polystyrene, polyester, ABS resin, AS resin, butadiene rubber, propylene rubber, natural rubber, silicone rubber, urethane rubber, other conventional plastics, other conventional rubbers, or plastic or rubber molded materials prepared from copolymer polymers thereof are preferably applicable.

[0237] (q) As a plastic or rubber molded material that is formed into a roughly hemispherical hollow shape and has flexibility and / or elasticity to the extent that it can be bent, it is preferable to use a flexible and / or elastic plastic or rubber molded material prepared from polyethylene polymer, polyvinyl chloride, butadiene rubber, propylene rubber, natural rubber, silicone rubber, urethane rubber, or other conventional rubber materials having rubber elasticity, among the above-mentioned plastic or rubber molded materials.

[0238] In the above-mentioned (p) and (q), a plastic or rubber molded material formed into a roughly hemispherical hollow shape is possible, and the thickness of the molded material can be 0.1 mm to 10 mm, preferably 0.5 mm to 7 mm, and more preferably 1 mm to 6 mm, and the plastic or rubber molded material formed into a roughly hemispherical hollow shape is possible. [Effect - p: As a result, when the temperature of the cooling medium becomes too cold, below approximately 2°C, the interposition of the plastic molded material or rubber material prevents the cooling medium from directly contacting the head, and the temperature of the cold air reaching the head is controlled to be between approximately 2°C and 15°C, making it possible to adjust the cold air on the head side to a comfortable temperature of approximately 2°C to 15°C. Furthermore, by having the plastic molded material or rubber material positioned between the cooling medium and the head, the effect of maintaining the cold air on the head side at a comfortable temperature of approximately 2°C to 15°C for a long period of time is also obtained.]

[0239] Figure 13 shows a schematic diagram illustrating the configuration of a head cooling device in one embodiment of "Dependent Configuration 41". Figure 13 is a schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. In Figures 13(A) and (B), the head cooling device includes an overcooling suppression head-side inner surface member 8, which is configured to be installed on the head side of the cooling medium 3 when the head cooling device is worn covering the head. The cooling medium 3 is placed covering the overcooling suppression head-side inner surface member 8, and a surface member is placed covering the cooling medium 3. In Figure 13(A), the cooling medium 3 consists of a single cooling medium 3 that covers the head. In Figure 13(B), the cooling medium 3 consists of multiple cooling mediums 3a, 3b, and 3c that are divided into multiple parts.

[0240] In Figure 13(C), the head cooling device includes an overcooling suppression head-side inner surface member 8, which is configured to be installed on the head side of the cooling medium 3 when the head cooling device is worn over the head. The cooling medium 3 is placed over the overcooling suppression head-side inner surface member 8, and a surface member is placed over the cooling medium 3. Here, the cooling medium 3 is configured as a cooling medium 3 stored in a cooling medium storage bag 6, and a surface member is arranged to cover the cooling medium 3.

[0241] In Figure 13, the surface member 2 can preferably be a heat-insulating surface member 2a, a plastic foamed molding material 2b, etc.

[0242] <Head side inner surface member 8 for supercooling suppression, gap forming member 82 for supercooling suppression> In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configurations 34" of the present invention, the following configurations are preferably provided. [Dependent Structure 42] Furthermore, the device includes an overcooling suppression head-side inner surface member 8 configured to be installed on the inner surface of the cooling medium 3 and on the side facing the human head. The overcooling suppression head-side inner surface member 8 is designed to cover the human head when attached to it, and to suppress the cold air reaching the human head from the cooling medium 3. The overcooling suppression head-side inner surface member 8 is capable of forming a gap with an air layer between the cooling medium 3 and the human head, and has an overcooling suppression gap-forming member 82 that performs the function of suppressing the transmission of cold air through this gap. The void-forming member 82 for suppressing overcooling is formed by (r) a mesh-like plastic molded material formed in a mesh shape, and / or (s) a flexible mesh-like plastic molded material that is flexible and / or elastic and formed in a mesh shape, (t) a flexible mesh-like plastic foam molded material formed from a plastic foam molding material that is flexible and / or elastic and formed in a mesh shape, and / or (u) a void-forming nonwoven fabric material formed from a nonwoven fabric and having a large number of voids, and / or (w) a void-forming fiber material having Russell-like and / or double Russell-like through holes.

[0243] The mesh-like plastic molding material formed in the above (r) mesh shape is not particularly limited, but preferably it can be polyethylene, polyethylene polymers containing ethylene and other vinyl monomers, polypropylene, polyvinyl chloride, polystyrene, polyurethane, polyester, ABS resin, AS resin, butadiene rubber, propylene rubber, natural rubber, silicone rubber, urethane rubber, other conventional plastics, other conventional rubbers, or plastic molding materials or rubber molding members prepared from copolymer polymers thereof. Note that the term "mesh shape" refers to a shape that is essentially the same as "network shape."

[0244] The above-mentioned flexible and / or elastic mesh-like plastic molding material, which has flexibility and / or elasticity and is formed in a mesh shape, is preferably made from polyethylene polymer, polyvinyl chloride, polyurethane, butadiene rubber, propylene rubber, natural rubber, silicone rubber, urethane rubber, or other conventional rubber materials having rubber elasticity.

[0245] The flexible and / or elastic mesh-like plastic foam molded member formed from the above-mentioned (t) plastic foam molding material, having flexibility and / or elasticity and formed in a mesh shape, can preferably be polyethylene foam, polyethylene-based foam containing ethylene and other vinyl monomers, polypropylene foam, polyurethane foam, polyvinyl chloride foam, polyvinyl acetate foam, polystyrene foam, silicone rubber foam, synthetic rubber foam, natural rubber foam, or other conventional plastic or rubber foam materials.

[0246] As a void-forming nonwoven fabric material formed from the above-mentioned (u) nonwoven fabric and having a large number of voids, for example, a void-forming nonwoven fabric material made of bulky nonwoven fabric having a high bulk density or coarse bulk density and forming a relatively large number of voids or countless voids can be implemented.

[0247] (v) The mesh-like thick fabric forming material formed in the above mesh shape can preferably be made from general-purpose acrylic fibers, polyester fibers, nylon fibers, other synthetic fibers, and / or cotton fibers, wool fibers, hemp fibers, other natural fibers, or blended fibers made by mixing these fibers. For example, a mesh-like thick fabric forming material can preferably be made using yarn formed from these fibers to form a desired mesh shape. As the (w) Russell-shaped and / or double-Russell-shaped void-forming fiber material having through holes described above, it is preferable to use a general-purpose Russell-shaped or double-Russell-shaped void-forming fiber material that is knitted into a desired shape to form a void-forming fiber material having through holes. Russell-shaped refers to one type of warp-knitted fabric that is knitted with a coarse gauge, has a relatively thick shape, and has coarse mesh through holes. Furthermore, a composite void-forming fiber material having through holes, formed by combining multiple desired materials from (r) to (w) above in the form of lamination or mixing, is also preferably implemented.

[0248] In the above-mentioned mesh-like plastic molded material (r), (s), (t), mesh-like thick cloth molded material (v), or breathable fiber material such as Russell-like material (w), the form of the molded material or molded material is not particularly limited, but for example, a plastic molded material, a mesh-like thick cloth molded material, or a breathable fiber material can be made by molding the material into a roughly semi-spherical hollow shape with a thickness of 0.1 mm to 10 mm, preferably 0.5 mm to 7 mm, and more preferably 1 mm to 6 mm. The form having numerous through-holes formed in a mesh shape is not particularly limited, but for example, it may have a net-like, lattice-like, mesh-like, Russell-like, or double Russell-like shape, or a form having numerous through-holes capable of forming many voids of desired shapes such as circles, triangles, squares, polygons, trapezoids, rhombuses, or heart shapes, and the size of the through-holes is not particularly limited, but for example, the diameter of one of the numerous through-holes in the mesh shape is about 0.5 to 50 mm, the width dimension of the bone composition profile forming each through-hole is 0.5 to 10 mm, and it is roughly a hemispherical hollow. In the surface area of ​​the inner surface of the molded material, the ratio of the through-hole area to the frame area forming the skeleton is preferably 1 or more, more preferably 2 or more, and even more preferably 3 or more. This configuration reduces the area in contact with the human head of the frame portion of the plastic or rubber molded material, which has a large number of mesh-shaped through-holes, and increases the area in contact with the human head of the air originating from the through-holes. Consequently, the amount of cold air transmitted from the frame portion decreases, and the amount of cold air transmitted from the through-holes increases, resulting in a suppression of the feeling of coldness on the human head. Furthermore, it is preferable to optimally shape the surface member 2 in accordance with the thickness of the overcooling suppression void-forming member 82. As mentioned above, in a head cooling device that does not include an overcooling suppression void-forming member 82, the perimeter of the surface member 2 is approximately 625 mm. For example, in a head cooling device that includes an overcooling suppression void-forming member 82 having a thickness of approximately 5 mm, the optimal perimeter of the surface member 2 is approximately 656 mm.

[0249] For example, (t) a flexible and / or elastic mesh-like plastic molded member formed from a foamed plastic material, having flexibility and / or elasticity and formed in a mesh shape, can be implemented as a foamed plastic sheet having a plastic foam skeleton such as polyethylene foam or soft polyurethane foam, forming substantially rhomboid voids, and being formed so that the mesh area expands when pulled in at least one direction, allowing the sheet to expand in the planar direction. The elastic plastic foamed molded member is not particularly limited, and for example, polyethylene foam, flexible polyurethane foam, silicone rubber foam, polyvinyl chloride foam, polyvinyl acetate foam, and other conventional flexible polymer foams can be used. For example, as a flexible and / or elastic mesh-like plastic molded material having such flexibility and / or elasticity and formed in a mesh shape, for example, a general-purpose, commonly used cushioning material can be used to form a desired substantially hemispherical hollow shape. As a flexible and / or elastic mesh-like plastic molded member, for example, a mesh-like plastic molded material formed in a desired mesh shape from a foamed plastic molding material, as shown in Figure 20, can be applied. Figure 20 is a photograph illustrating the form of a void-forming member for suppressing overcooling that is configured in a head cooling device according to one embodiment of the present invention, where (B) is a photograph of the mesh-like plastic molded material viewed from above, and (A) is an enlarged photograph of the mesh-like plastic molded material of (B) viewed from the side at an oblique angle. Generally, mesh-like plastic molded materials have the flexibility to easily deform their mesh structure and stretch their overall shape when force is applied in a predetermined direction. Furthermore, foamed materials such as polyethylene foam or soft polyurethane foam possess elasticity.

[0250] Generally, when a part of the human body (e.g., a hand) is placed in a container with a low-temperature air atmosphere of approximately 0°C, it is possible to tolerate the cold and keep the hand in the low-temperature atmosphere for approximately 5 minutes or more. However, when a part of the human body (e.g., a hand) comes into contact with the surface of a plastic molding material at approximately 0°C, it becomes difficult to tolerate the cold and to continue contact with the surface of the plastic molding material for more than approximately 1 minute. Thus, when cold air comes into contact with the human head, the cold air from a gaseous source such as air can be tolerated for a longer period of time than the cold air from a solid source such as a molding material, and the sensation of coldness felt on the head tends to be suppressed. In other words, the direct transfer of cold air from the cooling medium is suppressed, and the effect is obtained in which the cold air on the head side can be maintained at a desired temperature that feels comfortable for a long period of time.

[0251] In other words, if the overcooling suppression void-forming member 82 is configured as (r) a mesh-like plastic molded material formed in a mesh shape, then [Effect - r: The air layer in the voids caused by the through-holes in the mesh shape has the effect of suppressing the direct transmission of cold air from the cooling medium. As a result, when the cold air temperature of the cooling medium cools too much to below about 2°C, the cold air from the cooling medium is prevented from directly contacting the scalp of the head through the solid plastic. Furthermore, the interposition of air caused by the through-holes in the mesh shape allows the human head to feel a comfortable cold air temperature of about 2°C to 15°C for a long period of time. As a result, the effect of maintaining the cold air temperature on the human head side at a comfortable cold air temperature of about 2°C to 15°C for a long period of time is obtained.] Furthermore, if the overcooling suppression void-forming member 82 is configured as (s) a plastic molded material having flexibility to the extent that it can be bent and having through holes formed therein, and / or (v) a mesh-like thick cloth molded material formed in a mesh shape, then [effect - sv: The aforementioned effect - r (the air layer caused by the through holes suppresses the direct transmission of cold air from the cooling medium) is obtained, and furthermore, by having flexibility to the extent that it can be bent, the overcooling suppression head-side inner surface member 8 can be deformed according to the shape of the human head and can be attached to the human head, so that the wearer does not feel the hardness caused by the overcooling suppression head-side inner surface member 8 and can obtain a comfortable wearing experience even when worn for a long time].

[0252] Furthermore, if the overcooling suppression void forming member 82 is configured as (t) a flexible and / or elastic mesh-like plastic molded material formed from a foamed plastic material, which is flexible and / or elastic and formed in a mesh shape, then the following effects are obtained: [Effect - t: The aforementioned effect - r (the air layer caused by the through holes suppresses the transmission of cold air from the cooling medium), and effect - s (by having flexibility to the extent that it can be bent, the overcooling suppression head-side inner surface member 8 deforms according to the shape of the human head, making it possible to attach it to the human head, so that the wearer does not feel the hardness caused by the overcooling suppression head-side inner surface member 8, and a comfortable wearing experience can be obtained even when worn for a long time). In addition, the mesh-like skeleton that comes into contact with the human head has heat insulation properties due to being formed from a foamed plastic material, which further suppresses the transmission of cold air from the cooling medium, thereby suppressing the wearer's feeling of excessive coldness, and a comfortable wearing experience can be obtained even when worn for a long time].

[0253] Furthermore, if the overcooling suppression void-forming member 82 is configured as a void-forming fiber material having Russell-shaped and / or double-Russell-shaped through holes, then the following effects are obtained: [Effect - w: The aforementioned effect - r (the air layer caused by the through holes suppresses the transmission of cold air from the cooling medium), and effect - s (by having a degree of flexibility that allows it to bend, the overcooling suppression head-side inner surface member 8 deforms according to the shape of the human head, making it possible to attach it to the human head, so that the wearer does not feel the hardness caused by the overcooling suppression head-side inner surface member 8, and a comfortable wearing experience can be obtained even when worn for a long time). In particular, by configuring a void-forming fiber material having Russell-shaped and / or double-Russell-shaped voids with a relatively thick thickness, the wearer's feeling of excessive coldness is suppressed, and a comfortable wearing experience can be obtained even when worn for a long time.] Furthermore, in addition to the void-forming fiber member having Russell-shaped through holes, it is also preferable to construct a void-forming fiber material that is constructed by laminating a mesh-like breathable fiber material and / or a nonwoven fabric void-forming fiber material with a coarse bulk density that is breathable, and a laminated breathable void-forming fiber material that has voids and is breathable is also preferable. This provides the effect of "Effect-aw: A head cooling device that optimally exhibits the aforementioned Effect-w". In particular, by laminating a mesh-like breathable fiber member with the desired mechanical strength, a head cooling device that has the desired mechanical strength and optimally exhibits the aforementioned "Effect-w" can be obtained.

[0254] Furthermore, the overcooling suppression void-forming member 82 is not limited to the above, but a head cooling device can also be preferably implemented in which (x) an uneven-forming sheet material is formed by forming a large number of protrusions and recesses on the surface of a cloth or plastic film sheet. This configuration provides the following effect: [Effect - x: Moisture generated due to the cooling member is absorbed by the cloth or plastic film sheet, preventing the moisture from reaching the hair on the head, and the air layer created by the recesses suppresses the direct transmission of cold air from the cooling medium, thereby suppressing the wearer's feeling of excessive coldness, and furthermore, it is possible to obtain a comfortable wearing experience even when worn for a long time.]

[0255] Figure 19 shows a schematic diagram illustrating the configuration of a head cooling device in one embodiment of "Dependent Configuration 42". Figure 19 is a schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention, and the configurations shown in (A), (B), or (C) are preferably implementable. In Figure 19(A), the head cooling device includes an overcooling suppression void-forming member 82, which is configured to be installed on the head side of the cooling medium 3 when the head cooling device is worn over the head. The cooling medium 3, which is stored in a cooling medium storage bag 6, is placed over the overcooling suppression head side inner member 8, and further, a surface member 2 is placed over the cooling medium 3.

[0256] Figures 19(B) and (C) are schematic cross-sectional diagrams illustrating the configuration of the surface member 2, the cooling medium 3, and the overcooling suppression void-forming member (82) as the head-side inner surface member 8 for suppressing overcooling when the head cooling device is attached to cover the human head 10.

[0257] In Figure 19(B), the cooling medium 3 is arranged on the inner surface side of the surface member 2. The cooling medium 3 has the form of a multi-part divided and connected sealed cooling medium 3, in which a refrigerant 31 is stored in a multi-part divided sealed container 32. The multi-part divided and connected sealed cooling medium 3 is then stored in a cooling medium storage bag 6 having multi-part divided and connected storage sections 6a and 6b. A void-forming member 82 for suppressing overcooling is arranged on the inner surface side of the sealed cooling medium 3, which is stored in the cooling medium storage bag 6. In this way, the head cooling device is constructed.

[0258] In Figure 19(C), the cooling medium 3 is arranged on the inner surface side of the surface member 2. The cooling medium 3 has the form of a plurality of divided and connected sealed cooling medium 3, in which a refrigerant 31 is housed in a plurality of divided sealed containers 32. A gap-forming member 82 for suppressing overcooling is arranged on the inner surface of the multiple divided and connected sealed cooling medium 3. In this way, the head cooling device is constructed.

[0259] In Figure 19, the overcooling suppression void-forming member 82, which serves as the head-side inner surface member 8 for suppressing overcooling, is preferably a mesh-like plastic molded material formed in the above-mentioned mesh shape, and / or a flexible plastic molded material having through holes.

[0260] Furthermore, a plastic foamed molded material 2b is preferably used as the surface member 2. Also, a configuration in which a surface member opening periphery projection frame portion 21 is installed in the peripheral region of the surface member, as shown in Figure 19(A), is also possible. Furthermore, a configuration in which the surface member opening periphery projection frame portion 21 is integrally formed with the plastic foamed molded material 2b is also preferably possible. Furthermore, a configuration in which the protruding frame portion 21 around the opening of the surface member is not installed is also possible.

[0261] <Desired functional surface material 9> In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configurations 42" of the present invention, the following configurations are preferably provided. [Dependency Structure 43] Furthermore, the device is equipped with a desired functional surface member 9 having a substantially semi-spherical hollow shape that can cover and attach to the surface member and has a desired function, wherein the desired functional surface member 9 comprises at least one desired functional surface material 9 selected from the group consisting of (A) a desired appearance functional surface member 9a having a desired appearance function, (B) a desired thermal insulation surface member 9b having a desired thermal insulation performance, and (C) a desired mechanical functional surface member 9c having mechanical strength that allows it to be attached without damage.

[0262] (A) The desired functional surface member 9a having the desired appearance and function is not particularly limited, but includes: (i) a decorative material with a color or pattern (a desired material in terms of decorative appearance such as color or pattern), (ii) a material with a good feel (a desired material in terms of tactile aspects such as feel or fit), (iii) a water-repellent material (a material with excellent water repellency), (vii) an antibacterial material (a material that is difficult for bacteria to adhere to, or that has the property of suppressing or killing bacteria), and (viii) a stain-resistant material (a material that is difficult to stain, such as being difficult to get dirty). (ix) Materials with properties such as (x) Good wash-resistant materials (materials that do not deteriorate even after repeated washing), (x) Lightweight materials (materials that feel light and reduce heaviness when worn), (xi) Breathable materials (materials that reduce stuffiness around the head when worn, such as mesh materials or perforated materials), (xii) Heat-sealable materials (for example, nonwoven fabrics containing at least polyethylene fibers or polypropylene fibers that can be bonded to other fibers by heating), etc. are preferably used.

[0263] (B) The desired thermal insulation surface member 9b having the desired thermal insulation performance is not particularly limited, but it is preferably possible to implement a desired thermal insulation surface member 9 prepared with a fabric material having at least the following: a thermal conductive thermal insulation material and / or a metal film radiant thermal insulation material and / or a radiant thermal conductive thermal insulation material and / or a fabric material. The aforementioned heat-conducting insulating material comprises a heat-conducting insulating material that has the function of suppressing heat conduction, at least one of the following: (i) a foamed plastic material, (ii) a heat-insulating nonwoven fabric material, and (iii) a laminated nonwoven fabric material formed by laminating multiple nonwoven fabrics. The aforementioned metal film radiant heat insulating material has a function of blocking heat by radiation from at least one of the following: (iv) a metal foil material, (v) a metal thin film material formed by metal vapor deposition, and (vi) a metal thin film material with a substrate on which a metal thin film is attached to a plastic film substrate, a sheet-like nonwoven fabric substrate, or a sheet-like cloth substrate. The aforementioned radiant heat conduction thermal insulation material includes a radiant heat conduction thermal insulation material that performs both the function of suppressing heat conduction and the function of blocking heat by radiation, at least one of the following: (vii) a metal film attached insulating nonwoven fabric material obtained by attaching a metal film to a cotton-like insulating nonwoven fabric; (viii) a metal film attached insulating nonwoven fabric material obtained by attaching a metal film to a felt substrate or a needle-punched substrate; and (ix) a metal film attached flexible foamed plastic material obtained by attaching a metal film to a flexible foamed plastic. The aforementioned fabric material comprises at least one of the following: (x) a woven fabric material made of fibers, (xi) a nonwoven fabric material formed of a collection of short fibers, (xii) a napped fabric material prepared of fibers, and (xiii) a thick fabric material prepared of fibers.

[0264] (C) The desired mechanically functional surface member 9c having mechanical strength that allows it to be attached without damage is not particularly limited, but (v) a material with good mechanical strength 8 such as a material that is resistant to tearing, abrasion, and deformation is preferable. This configuration yields the following effect: By selecting a material with the desired function and incorporating it into the surface of the surface member, a head cooling device is obtained that possesses the desired function, thermal insulation performance, and mechanical strength, as well as excellent decorative design performance.

[0265] Figure 14 shows a schematic diagram illustrating the configuration of a head cooling device according to one embodiment of this "dependent configuration 43". Figure 14 is a schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. In Figures 14(A), (B), and (C), the head cooling device is a head cooling device that can be worn to cover the head of a person, comprising a surface member 2 having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium 3 installed on the inner surface side of the surface member, wherein when worn to cover the head of a person, the cooling medium 3 is positioned between the surface member and the head of the person, and the head is configured to be cooled, and further comprises a desired functional surface member 9 having a substantially hemispherical hollow shape that can be worn to cover the surface member and has a desired function. The desired functional surface member 9 comprises at least one desired functional surface member 9 selected from the group consisting of (A) a desired appearance functional surface member 9a having a desired appearance function, (B) a desired thermal insulation surface member 9b having a desired thermal insulation performance, and (C) a desired mechanical functional surface member 9c having mechanical strength that allows it to be attached without damage.

[0266] In Figure 14(A), the cooling medium 3 consists of a single cooling medium 3. In Figure 14(B), the cooling medium 3 consists of multiple cooling mediums 3a, 3b, and 3c, each divided into multiple parts. In Figure 14(C), the cooling medium 3 consists of a cooling medium 3 housed in a cooling medium storage bag 6, with a surface member covering the cooling medium 3. In Figure 14, the surface member 2 can preferably be a heat-insulating surface member 2a, a plastic foam molding material (2b), etc.

[0267] <Second thermal insulation surface material 2c> In the head cooling device of the aforementioned "dependent configuration 3" to "dependent configuration 43" of the present invention, the following configuration is preferably provided. [Dependent Structure 44] The head cooling device is characterized in that the surface member 2 comprises a plastic foam molding material 2b having a substantially hemispherical hollow shape, and further comprises a second heat insulating surface member 2c laminated on the plastic foam molding material 2b, the second heat insulating surface member 2c comprises a heat insulating surface member 2a prepared from a heat insulating material having at least a heat conductive heat insulating material and / or a metal film radiant heat insulating material and / or a radiant heat conductive heat insulating material and / or a cloth material, and the second heat insulating surface member 2c has the function of suppressing the escape of cold air caused by the cooling medium 3 to the surface side of the surface member. The aforementioned heat-conducting insulating material comprises a heat-conducting insulating material that has the function of suppressing heat conduction, at least one of the following: (i) a foamed plastic material, (ii) a heat-insulating nonwoven fabric material, and (iii) a laminated nonwoven fabric material formed by laminating multiple nonwoven fabrics. The aforementioned metal film radiant heat insulating material has a function of blocking heat by radiation from at least one of the following: (iv) a metal foil material, (v) a metal thin film material formed by metal vapor deposition, and (vi) a metal thin film material with a substrate on which a metal thin film is attached to a plastic film substrate, a sheet-like nonwoven fabric substrate, or a sheet-like cloth substrate. The aforementioned radiant heat conduction thermal insulation material includes a radiant heat conduction thermal insulation material that performs both the function of suppressing heat conduction and the function of blocking heat by radiation, at least one of the following: (vii) a metal film attached insulating nonwoven fabric material obtained by attaching a metal film to a cotton-like insulating nonwoven fabric; (viii) a metal film attached insulating nonwoven fabric material obtained by attaching a metal film to a felt substrate or a needle-punched substrate; and (ix) a metal film attached flexible foamed plastic material obtained by attaching a metal film to a flexible foamed plastic. The aforementioned fabric material comprises at least one of the following: (x) a woven fabric material made of fibers, (xi) a nonwoven fabric material formed of a collection of short fibers, (xii) a napped fabric material prepared of fibers, and (xiii) a thick fabric material prepared of fibers.

[0268] This configuration provides the following effect: [Furthermore, by forming a second heat-insulating surface member 2c, the heat insulation performance of the surface member is further significantly improved, and when worn on the head of a person, the escape of cold air from the surface member due to the cooling medium is suppressed, resulting in a significantly longer cooling time for the head of a person].

[0269] Furthermore, a flexible foamed plastic material is particularly preferred as the foamed plastic material. This configuration yields [Effect wa-a: Having a flexible foamed plastic material].

[0270] Figure 15 shows a schematic diagram illustrating the configuration of the head cooling device in this "dependent configuration 44" embodiment. Figure 15 is a schematic diagram illustrating the configuration of the head cooling device in one embodiment of the present invention. In Figures 11(A), (B), and (C), the surface member 2 comprises a plastic foam molding material 2b having a substantially semi-spherical hollow shape, and further comprises a second heat-insulating surface member 2c laminated on the plastic foam molding material 2b. The second heat-insulating surface member 2c has the function of suppressing the escape of cold air caused by the cooling medium 3 to the surface side of the surface member.

[0271] In Figure 15(A), the cooling medium 3 consists of a single cooling medium 3. In Figure 15(B), the cooling medium 3 consists of multiple cooling mediums 3a, 3b, and 3c, which are divided into multiple parts. In Figure 15(C), the cooling medium 3 consists of a cooling medium 3 housed in a cooling medium storage bag 6, with a surface member covering the cooling medium 3.

[0272] In Figure 15, the surface member 2 can preferably be a heat-insulating surface member 2a, a plastic foam molding material (2b), etc. Furthermore, in the head cooling device shown in Figures 13-15 and 19, which illustrate the dependent configurations 41-43, it is possible to implement either a configuration in which a protruding frame portion 21 around the opening of the surface member is formed, or a configuration in which the protruding frame portion 21 around the opening of the surface member is not formed.

[0273] In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configurations 21" of the present invention, the following configurations are preferably provided. [Dependent Structure 45] The cooling medium 3 is configured in the form of a sealed cooling medium in which a refrigerant 31 is filled in a sealed container 32, and the sealed cooling medium has a plurality of divided and connected sealed cooling mediums, and each of the plurality of divided and connected sealed cooling mediums has a plurality of divided and connected sealed cooling medium connecting portion 35 that is connected to at least one of the adjacent plurality of divided and connected sealed cooling mediums, and is formed integrally. The multiple divided connected sealed cooling medium 3 includes (a) a top-of-the-head divided connected sealed cooling medium having a polygonal or circular shape that can be attached to cover the top of the head, and a plurality of multiple divided connected sealed cooling medium connecting parts 35 formed by dividing the periphery of the top-of-the-head divided connected sealed cooling medium into four or more parts, with a periphery divided connected sealed cooling medium formed extending circumferentially from each of the plurality of divided connected sealed cooling medium connecting parts 35, or (b) a top-of-the-head periphery divided connected sealed cooling medium having a plurality of divided connected sealed cooling medium connecting parts 35 on the top of the head, with a plurality of top-of-the-head periphery divided connected sealed cooling medium formed extending circumferentially from the plurality of divided connected sealed cooling medium connecting parts 35, or (c) from the forehead to the top of the head The device comprises a frontal, parietal, and occipital divided connected sealed cooling medium having a roughly rectangular shape extending from the back of the head; a left head divided connected sealed cooling medium having a left multi-part divided connected sealed cooling medium connecting section 35 in the middle of the left head side of the frontal, parietal, and occipital divided connected sealed cooling medium, and formed to cover the left head from the left multi-part divided connected sealed cooling medium connecting section 35; and a right head divided connected sealed cooling medium having a right multi-part divided connected sealed cooling medium connecting section 35 in the middle of the right head side of the frontal, parietal, and occipital divided connected sealed cooling medium, and formed to cover the right head from the right multi-part divided connected sealed cooling medium connecting section 35. Each of the above-mentioned multi-part connected sealed cooling media 3 is flexibly connected at the multi-part connected sealed cooling media connecting portion 35, and each multi-part connected sealed cooling media 3 can be assembled and formed into a substantially semicircular shape that matches the shape of the human head, and is configured so that when attached to the human head, the multi-part connected sealed cooling media can cover the entire head.

[0274] An embodiment of a cooling medium having this configuration is shown in Figure 16. Figure 16 is a schematic plan view illustrating the cooling medium configured in a head cooling device according to one embodiment of the present invention. Figure 16(A) shows that the multiple divided connected sealed cooling medium 3 has a configuration in which (i) a top divided connected sealed cooling medium 3b having a polygonal or circular shape that can be attached to cover the top of the head, and a plurality of multiple divided connected sealed cooling medium connecting parts 35 formed by dividing the periphery of the top divided connected sealed cooling medium 3b into four or more parts, and periphery divided connected sealed cooling mediums 3a, 3c, 3d, and 3e formed extending in the circumferential direction from each of the multiple divided connected sealed cooling medium connecting parts 35. Figure 16(B) shows a configuration comprising: (c) a frontal, parietal, and occipital divided connected sealed cooling medium 3f having a roughly rectangular shape formed extending from the frontal region to the occipital region including the parietal region; a left head divided connected sealed cooling medium 3g having a left multi-part divided connected sealed cooling medium connecting section 35 in the middle of the left head side of the frontal, parietal, and occipital divided connected sealed cooling medium 3f and formed to cover the left head side from the left multi-part divided connected sealed cooling medium connecting section 35; and a right head divided connected sealed cooling medium 3h having a right multi-part divided connected sealed cooling medium connecting section 35 in the middle of the right head side of the frontal, parietal, and occipital divided connected sealed cooling medium 3f and formed to cover the right head side from the right multi-part divided connected sealed cooling medium connecting section 35. Figure 16(C) shows a configuration in which (b) the top of the head has a plurality of divided connected sealed cooling medium connecting section 35, and a plurality of top-circumferential divided connected sealed cooling mediums 3i, 3j, 3k, 3l, 3m, 3n, 3o, 3p are formed extending from the plurality of divided connected sealed cooling medium connecting section 35 in the direction surrounding the top of the head.

[0275] The multiple divided and connected sealed cooling media 3 shown in Figures 16(A), (B), and (C) can be bent at the multiple divided and connected sealed cooling media connecting portion 35, which is formed to be flexible, so that the side edges of adjacent divided and connected sealed cooling media are assembled to be nearly close together, thereby enabling assembly into a roughly hemispherical hollow three-dimensional shape. Furthermore, it is preferable that each of the divided, connected, sealed cooling media 3a to 3p has a configuration that is flexible enough to be deformed into a curved shape at room temperature, and that the multiple divided, connected, sealed cooling media 3a to 3p are smoothly deformed into a curved shape, and the connecting portion 35 of the multiple divided, connected, sealed cooling media bends to form a three-dimensional shape that is approximately a hemispherical hollow shape. For example, the frontal, parietal, and occipital segmented, connected, sealed cooling medium 3f shown in Figure 16(B) can be formed so that the surface from the frontal to the occipital region, when attached to the human head, can be deformed into a smooth curved surface that matches the shape of the human head.

[0276] In addition, in Figure 16(B), instead of the frontal, parietal, and occipital divided connected sealed cooling medium 3f, a configuration can also be implemented in which the frontal, parietal, and occipital divided connected sealed cooling medium 3f is divided into three parts: the frontal, parietal, and occipital regions, thereby providing multiple divided connected sealed cooling mediums.

[0277] The sealed cooling medium is not particularly limited, but for example, a refrigerant-sealed cooling medium can be implemented in which at least one refrigerant 31 selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer is filled and sealed inside a flexible plastic film container 32 as described in the "dependent configuration 12" above. In this case, a desired portion of the plastic film container 32 is heat-sealed by a heating, pressurizing, and fusion means to form a plurality of divided and connected sealed cooling medium connecting portion 35, and the divided and connected sealed cooling medium is formed in a shape in which a plurality of divided portions are formed. By using a refrigerant-sealed cooling medium that is filled and sealed with at least one refrigerant 31 selected from the group consisting of water, alcohol, polyhydric alcohol, and water-soluble polymer, and by blending these refrigerant components as desired, a cooling medium with desired performance in terms of solidification temperature, flow temperature, flexibility, viscosity, semi-solid shape, and cooling time maintenance performance can be prepared, and a cooling medium that maintains soft flexibility even at low temperatures of -5°C or below can be prepared. In particular, a cooling medium can be easily designed that has at least one semi-solid form among viscous, gel-like, jelly-like, and jelly-like at approximately 25-37°C, and also has at least one semi-solid form among viscous, gel-like, jelly-like, and jelly-like at approximately 0°C. In this case, when a head cooling device containing the cooling medium is worn, a soft, gentle feeling is obtained on the human head without any hard discomfort, resulting in a head cooling device that can cool the head comfortably.

[0278] The configuration of [Dependent Configuration 45] allows for the formation of a three-dimensional cooling medium that roughly matches the shape of the inner surface of the human head and / or surface member. This enables the entire head to be cooled when worn on the human head, resulting in a head cooling device that exhibits a remarkably superior cooling effect.

[0279] In the head cooling device of the aforementioned "dependent configuration 45" of the present invention, the following configuration is preferably provided. [Dependency Structure 46] The aforementioned multi-part divided and connected sealed cooling medium 3 is characterized in that, when attached to the head of a human body, it covers the frontal and occipital sides of the ear portion of the human body, and has a cooling medium ear portion notch 37 in the region corresponding to the ear portion of the human body, with the cooling medium ear portion notch 37 having a shape that does not cover the ear portion of the human body.

[0280] An embodiment of a cooling medium having this configuration is shown in Figure 16. Figure 16 is a schematic plan view illustrating the cooling medium configured in a head cooling device according to one embodiment of the present invention. In Figures 16(A), (B), and (C), when the cooling medium 3 is assembled into a roughly hemispherical hollow three-dimensional shape and attached to the head of a human body, ear portion notches 37 are formed in the cooling medium in the portion corresponding to the ear portion of the human body.

[0281] The configuration of [dependent configuration 46] provides the effect of efficiently cooling the entire head without the wearer experiencing discomfort in the ear area, as the ear area of ​​the human body, which does not require cooling, is not cooled by the configuration of the ear area 37 of the cooling medium.

[0282] <A surface member having multiple cooling medium storage sections 23, each having multiple protrusions and multiple recesses.> Figure 21 shows a schematic diagram illustrating the configuration of a head cooling device according to one embodiment of the present invention. Figure 21(A) is a schematic side view of the head cooling device according to one embodiment of the present invention in cross-section as seen from the side of the head cooling device; Figure 21(B) is a schematic plan view of the head cooling device according to another embodiment of the present invention as seen from the inner surface of the head cooling device; Figure 21(C) is a schematic side view of the head cooling device according to another embodiment of the present invention as seen from the side of the head cooling device; and Figure 21(D) is a schematic enlarged cross-sectional view schematically showing an enlarged cross-section of the head cooling device according to another embodiment of the present invention. In the head cooling device of the present invention described above as "Basic Configuration 1," "Dependent Configuration 2" to "Dependent Configuration 13," and "Dependent Configuration 19," preferably the following configuration is provided. [Dependent Structure 47] A head cooling device comprising: a surface member 2 having a plurality of surface member inner protrusions 23 and a plurality of surface member inner recesses 24 formed on the inner surface side of the surface member 2, each of the plurality of surface member inner recesses 24 being surrounded by a predetermined plurality of surface member inner protrusions 23 to form a plurality of surface member inner cooling medium storage sections 25, and a cooling medium 3 being installed and / or stored in a desired surface member inner cooling medium storage section 25 among the plurality of surface member inner cooling medium storage sections 25.

[0283] As shown in Figures 21(A) and (B), a preferred head cooling device of the present invention has a surface member 2 having a substantially hemispherical hollow shape, and a plurality of surface member inner protrusions 23 and a plurality of surface member inner recesses 24 formed in a desired region on the inner surface of the surface member. Each surface member inner recess 24 is formed surrounded by a plurality of surface member inner protrusions 23, and the surface member inner recess 24 formed surrounded by the plurality of surface member inner protrusions 23 forms a surface member inner cooling medium storage section 25 having a recessed concave shape. A cooling medium 3 is installed and stored in the surface member inner cooling medium storage section 25. For example, as shown in Figure 21(B), multiple surface member inner cooling medium storage portions 25a, 25b, 25c, 25d, and 25e are formed, surrounded by multiple surface member inner protrusions 23.

[0284] As the surface member 2, it is preferable to use a surface member 2 made of a molding material similar to the surface member 2 described in the head cooling devices of "dependent configuration 3" to "dependent configuration 9" above. As the surface member 2, for example, a heat insulating surface member 2a and a plastic foam molding material 2b are preferable. As the surface member 2, for example, a surface member 2 molded from a plastic foam molding material having a thickness dimension of 0.5 to 10 mm, more preferably 1 to 5 mm, and even more preferably 1.5 to 3 mm is preferably implemented. The inner surface protrusion 23 of the surface member preferably has a height dimension of 3 to 20 mm, preferably 5 to 17 mm, more preferably 7 to 15 mm, and a width dimension of 1 to 20 mm, preferably 3 to 17 mm, more preferably 5 to 15 mm. If the height dimension of the inner protrusion 23 of the surface member is less than 3 mm, it is difficult to install a cooling medium 3 with a thickness of 3 mm or more. If the height dimension of the inner protrusion 23 of the surface member exceeds 20 mm, the head cooling device tends to become too large and uncomfortable to wear. If the width dimension of the inner protrusion 23 of the surface member is less than 1 mm, it tends to be mechanically weak and difficult to install the cooling medium 3 in the desired position. If the width dimension exceeds 20 mm, the area for installing the cooling medium 3 becomes narrower, and sufficient cooling effect tends to be not obtained.

[0285] As the cooling medium 3, a cooling medium similar to the cooling medium described in the head cooling devices of the aforementioned "dependent configuration 11," "dependent configuration 12," and "dependent configuration 19" can be used. Furthermore, the cooling medium 3 is configured in the form of a sealed cooling medium 3 in which the refrigerant 31 is filled in a flexible sealed container 32. For example, as shown in Figures 21(A) and (B), the sealed cooling medium 3 comprises a single cooling medium 3 and / or a plurality of divided and connected sealed cooling mediums. The multiple divided and connected sealed cooling medium 3 has multiple divided and connected sealed cooling mediums 3a, 3b, and / or 3a, 3b, 3c, and each of the multiple divided and connected sealed cooling mediums 3 has at least one cooling medium connecting portion that is connected to one another, and each of the multiple divided and connected sealed cooling mediums is connected at the cooling medium connecting portion in a flexible manner, and each of the multiple divided and connected sealed cooling mediums is configured to be assembled and formed into a shape that matches the shape of a human head. Such a multiple divided and connected sealed cooling medium 3 is similar to the cooling medium configured in the head cooling device of the "dependent configuration 13" described above.

[0286] In the "dependent configuration 47" described above, a head cooling device having the following configuration is preferably possible. [Dependent Structure 48] A head cooling device characterized in that multiple inner surface protrusions 23 are integrally formed on the surface member 2, and the surface member 2 and each of the inner surface protrusions 23 form an inner surface cooling medium storage section 25. More preferably, a head cooling device in which a plurality of inner surface recesses 24 are formed adjacent to each other via inner surface protrusions 23.

[0287] For example, as shown in Figures 21(A), (B), and (D), the multiple inner surface protrusions 23 and the surface member 2 are formed integrally with each other. In this case, the multiple inner surface protrusions 23 and the surface member 2 are formed integrally with each other using adhesive and / or adhesive tape, or the multiple inner surface protrusions 23 and the surface member 2 are formed integrally using a molding die. For example, a configuration can be implemented in which multiple surface member inner protrusions 23 and surface member 2 are integrally formed by conventional molding methods such as compression molding, injection molding, and foam molding of plastic raw materials in a mold. Alternatively, a configuration can be implemented in which a predetermined three-dimensional shape is formed using a plastic plate material having a predetermined plate-like shape.

[0288] In the "dependent configuration 47" or "dependent configuration 48" described above, a head cooling device having the following configuration is preferably possible. [Dependent Structure 49] The head cooling device has a surface member 2 which has a quasi-polyhedral surface shape formed by a combination of multiple polygons, and is formed to have an overall appearance shape that is approximately hemispherical and hollow, and each of the multiple inner surface recesses 24 of the surface member has a polygonal shape that matches the aforementioned polygon. The polygon is not particularly limited, but for example, it is formed by combining polygons such as triangles, quadrilaterals, pentagons, hexagons, and heptagons, and the overall external shape is formed to be a roughly hemispherical hollow shape. Furthermore, on the inner surface side of the surface member 2, an inner surface convex portion 23 and an inner surface concave portion 24 corresponding to the above polygon are formed.

[0289] For example, as shown in the schematic side view of the head cooling device in Figure 21(C) as seen from the side of the head cooling device, the surface member 2 has a surface shape of a quasi-polyhedron formed by a combination of multiple hexagons and multiple triangles. As for the combination of polygons, for example, a combination of a pentagon and a hexagon, or a combination of a triangle and a pentagon, etc., can be combined to form a predetermined approximately hemispherical hollow three-dimensional shape in terms of external shape. Particularly preferable is the combination of a pentagon and a hexagon, which makes it possible to form an inner surface recess 24 of the surface member that has a large area ratio with respect to the total surface area of ​​the surface member, and a cooling medium can be placed in the inner surface recess 24 of the surface member, and as a result a head cooling device can be obtained that can cool the entire head with a small gap.

[0290] Preferably, although not shown in the figures, in this configuration, a convex shape is formed on the inner surface side of the surface member 2, and a concave shape is formed on the surface side of the surface member 2, corresponding to the convex shape of the convex surface member 23, and this configuration is preferably implementable. A surface member having this shape configuration can be prepared, for example, by pressing a plastic plate material having a predetermined plate shape using a mold having a predetermined convex shape.

[0291] In the "dependent configuration 47", "dependent configuration 48", or "dependent configuration 49" described above, a head cooling device having the following configuration is preferably possible. [Dependent Structure 50] Furthermore, the head cooling device comprises an inner surface member 43 for storing and holding a cooling medium on the inner surface of the surface member, which is installed to cover multiple inner surface recesses 24 of the surface member, and the inner surface member 43 for storing and holding a cooling medium on the inner surface of the surface member, the surface member 2, and the inner surface protrusions 23 of the surface member surround the inner surface member cooling medium storage section 25, and the cooling medium 3 is installed in the inner surface member cooling medium storage section 25. Preferably, the cooling medium 3 is formed so that when attached to the human head it conforms to the shape of the human head and / or surface member 2, and a configuration is possible in which the cooling medium 3 is prevented from falling off the head cooling device and / or the human head.

[0292] For example, as shown in Figures 21(A) and (D), the inner surface member 43 for storing and holding the cooling medium on the inner surface of the surface member is installed to cover the inner surface protrusion 23 of the surface member, and the inner surface member cooling medium storage section 25 is formed surrounded by this inner surface member 41 for storing and holding the cooling medium on the inner surface of the surface member, the surface member 2, and the inner surface protrusion 23 of the surface member. The inner surface member 43 for storing and holding the cooling medium on the inner surface of the surface member is not particularly limited, but for example, an inner surface member 43 for storing and holding the cooling medium on the inner surface of the surface member similar to the inner surface member 4 for storing and holding the cooling medium described in the description of the "dependent configuration 27" above, a nonwoven fabric, a plastic film, etc. can be used. In this case, the inner surface member 43 for storing and holding the cooling medium on the inner surface of the surface member is preferably a heat-sealable nonwoven fabric or a heat-sealable plastic film that has the property of being able to be joined to the inner surface protrusion 23 formed on the surface member 2 by heat fusion, and it is preferably a configuration in which the inner surface protrusion 23 and the inner surface member 43 for storing and holding the cooling medium on the inner surface of the surface member are joined by a heat fusion means.

[0293] In the above-mentioned "dependent configuration 47", "dependent configuration 48", "dependent configuration 49", or "dependent configuration 50", a head cooling device having the following configuration is preferably possible. [Dependent Structure 51] Furthermore, the head cooling device comprises at least one selected from the group consisting of a head-side inner surface member 7 installed on the inner surface of the cooling medium, a head-side inner surface member 8 for suppressing overcooling installed on the inner surface of the cooling medium, a desired functional surface member 9 installed on the surface of the surface member, and a second heat-insulating surface member 2c installed on the surface of the surface member.

[0294] As the inner surface member 7 on the head side, it is preferable to use the inner surface member 7 on the head side described in "dependent configuration 35" above, the inner surface member 71 on the head side containing a hair moisturizer described in "dependent configuration 36" and "dependent configuration 37", the inner surface member 72 on the head side that absorbs moisture described in "dependent configuration 38", the inner surface member 73 on the head side for pressing hair described in "dependent configuration 39", or the inner surface member 7 on the head side having the configuration described in "dependent configuration 40", etc. As the head-side inner surface member 8 for suppressing overcooling, it is preferable to use the head-side inner surface member 8 for suppressing overcooling and the cold air blocking member 81 for suppressing overcooling described in the "dependent configuration 41" above, the void-forming member 82 for suppressing overcooling described in "dependent configuration 42", etc. As the desired functional surface member 9, the desired functional surface member 9 described in the "dependent configuration 43" above is preferably implementable. As the second heat-insulating surface member 2c, the second heat-insulating surface member 2c described in the "dependent configuration 44" above is preferably implementable.

[0295] The configuration of "dependent configuration 47" to "dependent configuration 51" provides the aforementioned effects (when worn on the human head, the cold air escaping from the surface member 2 due to the cooling medium is suppressed, efficiently cooling the surface of the human head, and the cooling performance for cooling the head is excellent, such as having a "comfortable cooling temperature duration" that maintains a comfortable cooling temperature for a long period of time, and furthermore, the detachment of the cooling medium from the human head is suppressed, and the wearer's movements are not restricted, resulting in a "long-term cooling maintenance and comfortable wearing effect"), and also provides the effect of [Effect T: By installing the cooling medium in the cooling medium storage section 25 on the inner surface of the surface member which is formed integrally with the surface member, it becomes possible to easily form a head cooling device with a cooling medium installed in a desired area without requiring any special skills, thereby further improving the effect of cooling the human head, suppressing the detachment of the cooling medium from the surface member, and providing a head cooling device with excellent usability and stability].

[0296] <Regarding the duration of comfortable cooling when wearing a head cooling device> In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configurations 52" of the present invention, the following configurations are preferably provided. [Dependent Structure 52] A head cooling device characterized in that, when worn on the human head, the surface temperature of the head cooling device on the human head side is configured to maintain a temperature in the range of approximately 2 to approximately 15°C for 120 minutes or more.

[0297] In other words, the configuration of [dependent configuration 52] provides [Effect T: When worn on the human head, the entire head can be cooled, and the surface temperature of the head cooling device on the human head side can be sustained at a temperature in the range of approximately 2 to approximately 15°C for 120 minutes or more. This configuration provides the aforementioned "Effect I-a (When worn on the human head, the escape of cold air from the surface member 2 due to the cooling medium is suppressed, efficiently cooling the surface of the human head, and having the ability to maintain cooling for a long time, etc., resulting in a head cooling device that has excellent cooling performance for the head, and furthermore, the detachment of the cooling medium from the human head is suppressed, the wearer's movements are not restricted, and a comfortable wearing experience is obtained, etc., resulting in a head cooling device that provides "long-term cooling maintenance and comfortable wearing effect".

[0298] As the thickness of the cooling medium 3 in the head cooling device increases, the cooling duration increases, but this tends to cause discomfort when worn. Also, as the volume (weight) of the cooling medium 3 in the head cooling device increases, the cooling duration increases, but this tends to cause stress on the head and neck because it feels heavier when worn. From this perspective, the thickness of the cooling medium 3 is preferably about 3 to about 15 mm, and more preferably about 5 to about 13 mm. Furthermore, while the size and shape of the cooling medium 3 are not particularly limited, it is desirable that the cooling medium 3 be installed such that its area occupies approximately 30% or more of the inner area of ​​the surface member of the head cooling device, and more preferably, that the area occupied by the cooling medium 3 occupies approximately 50-99% of the inner area of ​​the surface member. If the area occupied by the cooling medium 3 is less than approximately 30% of the inner area of ​​the surface member of the head cooling device, it tends that a sufficient effect of cooling the entire head cannot be obtained.

[0299] When a head cooling device is worn, it is desirable that the comfortable cooling duration be at least approximately 120 minutes, more preferably approximately 130 minutes or more, and even more preferably approximately 200 minutes or more. After the head cooling device is worn, when the temperature of the cooling medium 8 rises above approximately 15°C, it is replaced with another cooling medium that has been cooled to 0°C or below. The duration of comfortable cooling varies depending on (a) the thermal insulation performance of the surface material 2 of the head cooling device, (b) the area ratio covered by the cooling medium 3 of the head cooling device, (c) the thickness and shape of the cooling medium 3 of the head cooling device, and (d) the volume (weight) of the cooling medium of the head cooling device.

[0300] In the head cooling device of the present invention, (a) the heat insulation performance of the surface member 2 of the head cooling device is designed to extend the cooling duration by constructing a surface member 2 having a predetermined heat insulation performance, thereby suppressing as much cold air as possible from the surface of the head cooling device. (b) Regarding the area ratio of the cooling medium 3 of the head cooling device that covers the head, it is preferable to implement a configuration that can cover the entire head by having the cooling medium 3 divided into multiple parts that cover the entire head, or by having the cooling medium 3 stored in each of the multiple divided cooling medium storage bags 6 that are divided into multiple parts. (c) As the thickness of the cooling medium 3 of the head cooling device increases, the cooling duration increases, however, discomfort tends to occur when wearing it. (d) As the volume (weight) of the cooling medium 3 of the head cooling device increases, the cooling duration increases, however, it tends to feel heavy when worn, causing stress on the head and neck.

[0301] From this perspective, the thickness of the cooling medium 3 is preferably about 3 to 15 mm, and more preferably about 5 to 13 mm, and the cooling medium 3 is desirable to be able to be installed in a manner that occupies approximately 40% or more of the area of ​​the head cooling device. If the area occupied by the cooling medium 3 is less than approximately 40% of the area of ​​the head cooling device, the cooling duration tends to be shorter. More preferably, the area occupied by the cooling medium 3 is preferably about 80 to 99% of the area of ​​the head cooling device.

[0302] <A head cooling device that cools the scalp of users who have been administered medication used in the treatment of illness, thereby preventing hair loss.> In the head cooling devices of the aforementioned "basic configuration 1" and "dependent configurations 2" to "dependent configurations 52" of the present invention, the following configurations are preferably provided. [Dependent Structure 53] A head cooling device for cooling the user's scalp, characterized in that, when attached to the human head, the surface member 2 has a substantially semi-spherical hollow shape that can cover at least the top of the human head, and the cooling medium is formed to cover at least the area of ​​the head including the area where hair grows, and is formed to cool the scalp. More preferably, a head cooling device for cooling the scalp of a user is preferred, wherein when attached to the head, the surface member 2 has a substantially hemispherical hollow shape that can be attached to cover at least the top of the head, and the cooling medium is formed to be attached to cover at least the entire area of ​​the head, including the area where hair grows, and is formed to be able to cool the entire area of ​​the head, including the top of the head. More preferably, the head cooling device is for cooling the scalp of a user who has been administered a therapeutic drug used in the treatment of a disease such as cancer, and is formed such that, when attached to the head, the cooling medium is formed to cover at least the area of ​​the head including the area where hair grows, and is formed to cool the scalp.

[0303] The configuration of [Dependent configuration 53] provides the following effects: [Effect: The configuration is formed to allow cooling of the scalp of the human head, so when worn on the human head, the escape of cold air from the surface member 2 due to the cooling medium is suppressed, efficiently cooling the human scalp and providing excellent cooling performance for the scalp, such as long-term cooling maintenance performance, and furthermore, the detachment of the cooling medium from the human head is suppressed, the wearer's movements are not restricted, and it provides a comfortable fit, thus achieving a "long-term cooling maintenance and comfortable fit effect". In particular, when used as a head cooling device to cool the scalp of a user who has been administered anticancer drugs or other therapeutic agents during treatment, it provides a "long-lasting cooling effect and comfortable fit," and in particular, it can efficiently cool the entire scalp, including the crown, forehead, back of the head, left and right sides of the head, and / or the scalp surface where hair grows. As a result, it constricts the blood vessels near the hair follicles and / or ha...

Claims

1. A head cooling device comprising a surface member (2) having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and the head is configured to cool the head of the person, The surface member (2) is made of an ethylene-vinyl acetate copolymer foam molding material that has stretchability and flexibility, as well as shape retention properties that maintain a substantially hemispherical hollow shape. The cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a sealed container (32), and the sealed cooling medium is a plurality of divided and connected sealed cooling mediums that are flexibly connected at the cooling medium connecting portion. The refrigerant (31) contains propylene glycol, carboxymethylcellulose and water, An inner surface member (4) for housing and holding the cooling medium is attached and detachably connected to the periphery of the surface member (2), and the cooling medium (3) is positioned between the surface member (2) and the inner surface member (4) for housing and holding the cooling medium. A head cooling device characterized by the following features.

2. A head cooling device comprising a surface member (2) having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and the head is configured to cool the head of the person, The surface member (2) is made of an ethylene-vinyl acetate copolymer foam molding material that has stretchability and flexibility, as well as shape retention properties that maintain a substantially hemispherical hollow shape. The cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a sealed container (32), and the sealed cooling medium is a plurality of divided and connected sealed cooling mediums and / or a single sealed cooling medium that is not divided into a plurality, which are flexibly connected at the cooling medium connecting portion. The refrigerant (31) contains propylene glycol, carboxymethylcellulose and water, A cooling medium storage bag (6) for storing the cooling medium (3) is provided on the inner surface side of the surface member (2). An inner surface member (4) for storing and holding the cooling medium is attached and detachably connected to the periphery of the surface member (2), and a cooling medium storage bag (6) containing the cooling medium (3) is positioned between the surface member (2) and the inner surface member (4) for storing and holding the cooling medium. A head cooling device characterized by the following features.

3. A head cooling device comprising a surface member (2) having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and the head is configured to cool the head of the person, The surface member (2) is made of a polyethylene foam molding material that is stretchable and flexible, and also has shape-retaining properties that maintain a substantially hemispherical hollow shape. The cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a sealed container (32), and the sealed cooling medium is a plurality of divided and connected sealed cooling mediums and / or a single sealed cooling medium that is not divided into a plurality, which are flexibly connected at the cooling medium connecting portion. The refrigerant (31) contains propylene glycol, carboxymethylcellulose and water, A cooling medium storage bag (6) for storing the cooling medium (3) is provided on the inner surface side of the surface member (2). On the inner surface side of the cooling medium (3) and facing the human head, there is a head-side inner surface member (7) which comprises a hair moisturizer-holding-containing head-side inner surface member (71) made of a sheet-like moisturizer-holding material that holds and contains a hair moisturizer. A head cooling device characterized by the following features.

4. A head cooling device comprising a surface member (2) having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and the head is configured to cool the head of the person, The surface member (2) is made of an ethylene-vinyl acetate copolymer foam molding material that has stretchability and flexibility, as well as shape retention properties that maintain a substantially hemispherical hollow shape. The cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a sealed container (32), and the sealed cooling medium is a plurality of divided and connected sealed cooling mediums and / or a single sealed cooling medium that is not divided into a plurality, which are flexibly connected at the cooling medium connecting portion. The refrigerant (31) contains propylene glycol, carboxymethylcellulose and water, A cooling medium storage bag (6) for storing the cooling medium (3) is provided on the inner surface side of the surface member (2). An inner surface member (4) for storing and holding a cooling medium is attached and detachably connected to the periphery of the surface member (2), and a cooling medium storage bag (6) containing the cooling medium (3) is positioned between the surface member (2) and the inner surface member (4) for storing and holding a cooling medium. A desired functional surface member (9) is provided, which has a substantially semi-spherical hollow shape and a desired function, and which can be attached to cover the surface member (2). The desired functional surface member (9) comprises a desired appearance functional surface member (9a) having a desired appearance function. A head cooling device characterized by the following features.

5. A head cooling device comprising a surface member (2) having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and the head is configured to cool the head of the person, The surface member (2) is made of an ethylene-vinyl acetate copolymer foam molding material that has stretchability and flexibility, as well as shape retention properties that maintain a substantially hemispherical hollow shape. The cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a sealed container (32), and the sealed cooling medium is a plurality of divided and connected sealed cooling mediums that are flexibly connected at the cooling medium connecting portion. The refrigerant (31) contains diethylene glycol, propylene glycol, and glycerin. On the inner surface of the cooling medium (3) and facing the human head, there is a cold air barrier member (81) for suppressing overcooling, which is made of a fabric material formed by laminating a metal film-attached insulating nonwoven fabric material, which is a cotton-like insulating nonwoven fabric with a metal film attached to it, and a knitted fabric material made of polyester fibers, and which has the function of suppressing the transmission of cold air. A head cooling device characterized by the following features.

6. A head cooling device comprising a surface member (2) having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and the head is configured to cool the head of the person, The surface member (2) comprises a plastic foamed molding material (2b) made of an ethylene-vinyl acetate copolymer foamed molding material that has stretchability and flexibility and shape retention properties that maintain a substantially hemispherical hollow shape, and a second heat insulating surface member (2c) laminated on the plastic foamed molding material (2b) to suppress the escape of cold air caused by the cooling medium (3) to the surface side of the surface member (2). The cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a sealed container (32), and the sealed cooling medium is a plurality of divided and connected sealed cooling mediums and / or a single sealed cooling medium that is not divided into a plurality, which are flexibly connected at the cooling medium connecting portion. The refrigerant (31) contains diethylene glycol, propylene glycol, and glycerin. A cooling medium storage bag (6) for storing the cooling medium (3) is provided on the inner surface side of the surface member (2). An inner surface member (4) for storing and holding the cooling medium is attached and detachably connected to the periphery of the surface member (2), and a cooling medium storage bag (6) containing the cooling medium (3) is positioned between the surface member (2) and the inner surface member (4) for storing and holding the cooling medium. A head cooling device characterized by the following features.

7. A head cooling device comprising a surface member (2) having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and the head is configured to cool the head of the person, The surface member (2) is made of a silicone rubber foam molding material that is stretchable and flexible, and has shape-retaining properties that maintain a substantially hemispherical hollow shape. The cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a sealed container (32), and the sealed cooling medium is a plurality of divided and connected sealed cooling mediums and / or a single sealed cooling medium that is not divided into a plurality, which are flexibly connected at the cooling medium connecting portion. The refrigerant (31) contains propylene glycol, carboxymethylcellulose and water, A cooling medium storage bag (6) for storing the cooling medium (3) is provided on the inner surface side of the surface member (2). An inner surface member (4) for storing and holding the cooling medium is attached and detachably connected to the periphery of the surface member (2), and a cooling medium storage bag (6) containing the cooling medium (3) is positioned between the surface member (2) and the inner surface member (4) for storing and holding the cooling medium. A head cooling device characterized by the following features.

8. A head cooling device comprising a surface member (2) having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and the head is configured to cool the head of the person, The surface member (2) is made of an ethylene-vinyl acetate copolymer foam molding material that is stretchable and flexible and maintains a shape-retaining, substantially hemispherical hollow shape, and has a plurality of surface member inner protrusions (23) and a plurality of surface member inner recesses (24) formed on the inner surface side of the surface member (2), and each surface member inner recess (24) forms a surface member inner cooling medium storage portion (25). The cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a sealed container (32), and the sealed cooling medium is a plurality of divided and connected sealed cooling mediums and / or a single sealed cooling medium that is not divided into a plurality, which are flexibly connected at the cooling medium connecting portion. The refrigerant (31) contains propylene glycol, carboxymethylcellulose and water, The cooling medium (3) is installed and / or stored in the cooling medium storage section (25) on the inner surface of the surface member. A head cooling device characterized by the following features.

9. A head cooling device comprising a surface member (2) having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and the head is configured to cool the head of the person, The surface member (2) is made of a polyvinyl acetate foam molding material that is stretchable and flexible and maintains a substantially hemispherical hollow shape, and has a plurality of surface member inner protrusions (23) and a plurality of surface member inner recesses (24) formed on the inner surface side of the surface member (2), and each surface member inner recess (24) is covered by an inner surface member (43) for storing and holding the surface member inner cooling medium which is joined to the surface member inner protrusion (23) to form a surface member inner cooling medium storage portion (25). The cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a sealed container (32), and the sealed cooling medium is a single sealed cooling medium that is not divided into multiple parts. The refrigerant (31) contains propylene glycol, carboxymethylcellulose and water, The cooling medium (3) is installed and / or stored in the cooling medium storage section (25) on the inner surface of the surface member. A head cooling device characterized by the following features.

10. A head cooling device comprising a surface member (2) having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and the head is configured to cool the head of the person, The surface member (2) is made of a polyvinyl acetate foam molding material that is stretchable and flexible and maintains a substantially hemispherical hollow shape, and has a plurality of surface member inner protrusions (23) and a plurality of surface member inner recesses (24) formed on the inner surface side of the surface member (2), and each surface member inner recess (24) is covered by an inner surface member (43) for storing and holding the surface member inner cooling medium which is joined to the surface member inner protrusion (23) to form a surface member inner cooling medium storage portion (25). The cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a sealed container (32), and the sealed cooling medium is a single sealed cooling medium that is not divided into multiple parts. The refrigerant (31) contains propylene glycol, carboxymethylcellulose and water, or diethylene glycol, propylene glycol and glycerin. The cooling medium (3) is installed and / or stored in the cooling medium storage section (25) on the inner surface of the surface member. An overcooling suppression void-forming member (82) is provided on the inner surface side of the cooling medium (3) that faces the human head, capable of suppressing the cold air from reaching the human head from the cooling medium (3). A head cooling device characterized by the following features.

11. A head cooling device comprising a surface member (2) having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and the head is configured to cool the head of the person, The surface member (2) is made of a thermal insulation material that is laminated with a metal thin film-attached thermal insulation nonwoven fabric material, which has elastic flexibility and shape retention properties that maintain a substantially hemispherical hollow shape, and a cotton-like thermal insulation nonwoven fabric. The cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a sealed container (32), and the sealed cooling medium is a plurality of divided and connected sealed cooling mediums and / or a single sealed cooling medium that is not divided into a plurality, which are flexibly connected at the cooling medium connecting portion. The refrigerant (31) contains propylene glycol, carboxymethylcellulose and water, An inner surface member (4) for housing and holding the cooling medium is attached and detachably connected to the periphery of the surface member (2), and the cooling medium (3) is positioned between the surface member (2) and the inner surface member (4) for housing and holding the cooling medium. A head cooling device characterized by the following features.

12. A head cooling device comprising a surface member (2) having a substantially hemispherical hollow shape that can be worn to cover the head of a person, and a cooling medium (3) installed on the inner surface side of the surface member (2), wherein when worn to cover the head of a person, the cooling medium (3) is positioned between the surface member (2) and the head of the person, and the head is configured to cool the head of the person, The surface member (2) is made of a napped fabric material that is stretchable and flexible. The cooling medium (3) is configured in the form of a sealed cooling medium in which a refrigerant (31) is filled in a sealed container (32), and the sealed cooling medium is a plurality of divided and connected sealed cooling mediums and / or a single sealed cooling medium that is not divided into a plurality, which are flexibly connected at the cooling medium connecting portion. The refrigerant (31) contains propylene glycol, carboxymethylcellulose and water, A cooling medium storage bag (6) for storing the cooling medium (3) is provided on the inner surface side of the surface member (2). An inner surface member (4) for storing and holding the cooling medium is attached and detachably connected to the periphery of the surface member (2), and a cooling medium storage bag (6) containing the cooling medium (3) is positioned between the surface member (2) and the inner surface member (4) for storing and holding the cooling medium. A head cooling device characterized by the following features.

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