Protective clothing
The protective clothing's innovative storage design with intermittently joined sheet-like materials and a triangular flap effectively monitors internal conditions and prevents sensor malfunction by expelling sweat and contaminants, ensuring accurate data transmission.
Patent Information
- Application Number
- JP2024047600
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-10-07
AI Technical Summary
Existing protective clothing systems fail to accurately monitor the internal environment due to discrepancies between attachment point and actual conditions, and sensors can malfunction from wearer's sweat adhesion.
The protective clothing incorporates a storage section formed by intermittently joined sheet-like materials with high moisture and water permeability, featuring a transparent outer layer for visibility and a moisture-permeable inner layer to prevent sweat accumulation, and a triangular flap to divert contaminants away from the storage compartment.
Enables accurate monitoring of the internal environment and prevents sensor malfunction by effectively expelling sweat and contaminants, ensuring reliable data transmission.
Smart Images

Figure 2025147373000001_ABST
Abstract
Description
[Technical Field]
[0001] The present invention relates to protective clothing, and more particularly to protective clothing that allows a wearer to easily grasp the environment inside the clothing. [Background technology]
[0002] Workers who handle hazardous substances such as dust and organic solvents wear protective clothing and protective equipment (gloves, boots, masks, etc.) to prevent hazardous substances from entering the protective clothing. When protective clothing is worn, the inside of the protective clothing becomes hot and humid, which is one of the causes of heatstroke in workers. Therefore, to protect workers wearing protective clothing from heatstroke, it is desirable to be able to objectively grasp information about the temperature and humidity inside the protective clothing from the outside of the protective clothing.
[0003] Patent Document 1 discloses protective clothing that has an attachment section installed inside the clothing for accommodating a display sensor that detects environmental information and biological functions inside the clothing of a worker. Patent Document 2 also provides protective clothing that allows accessories such as a dosimeter worn on the chest to be visible from the outside of the protective clothing through a transparent section provided in the protective clothing. [Prior art documents] [Patent documents]
[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2018-139899 [Patent Document 2] Utility Model Registration No. 3183170 Summary of the Invention [Problem to be solved by the invention]
[0005] In the protective clothing described in Patent Document 1, which is equipped with an external pocket for storing a display sensor that detects biological functions, the environment at the attachment point differs from the environment inside the protective clothing, which may make it impossible to accurately grasp the temperature, humidity, etc. inside the clothing. In addition, when wearing the protective clothing, sweat and other substances from the wearer may adhere to the above-mentioned sensor for a long period of time, which may cause the sensor to malfunction or malfunction.
[0006] Furthermore, while Patent Document 2 focuses on monitoring the radiation dose inside the clothing using a dosimeter, it does not take into consideration the possibility that the wearer's sweat will adhere to the dosimeter. As with the protective clothing disclosed in Patent Document 1, there is a concern that the wearer's sweat may adhere to the dosimeter for a long period of time, causing the dosimeter to malfunction or break down.
[0007] Therefore, an object of the present invention is to provide protective clothing that can grasp the environment inside the protective clothing from the outside and can prevent sensors placed inside the protective clothing from breaking down or malfunctioning due to the wearer's sweat, etc. [Means for solving the problem]
[0008] In order to solve the above problems, the protective clothing of the present invention has the following configuration: (1) At least a part of the protective clothing is provided with a storage section; the storage section is formed by stacking two or more sheet-like objects, and the two or more sheet-like objects are intermittently joined at both left and right ends and at a lower end, the sheet-like material constituting one of the outermost layers of the storage section is a first sheet-like material constituting a part of the outermost layer of the protective clothing, The total light transmittance of the first sheet-like material is 40% or more, The sheet-like materials other than the first sheet-like material among the two or more sheet-like materials have a moisture permeability of 200 g / m 2 The protective clothing has the above specifications and a water resistance of 400 to 2000 mmH2O.
[0009] In protective clothing with this configuration, even if sweat or the like of the wearer does enter the storage compartment, the sheet-like materials other than the first sheet-like material among the two or more sheet-like materials (hereinafter sometimes referred to as the other sheet-like materials) have high moisture permeability and water permeability, so the sweat or the like is easily discharged to the outside of the storage compartment through the other sheet-like materials, and furthermore, is easily excreted through the intermittent joints provided at both left and right ends and the lower end of the storage compartment, so that the sweat or the like is prevented from remaining inside the storage compartment for a long period of time. This prevents the sensors stored in the storage compartment from coming into contact with sweat or the like for a long period of time, and as a result, prevents the sensors from malfunctioning or malfunctioning.
[0010] Furthermore, (2) it is preferable that the protective clothing of the present invention has a flap inside the protective clothing and above the storage compartment, the flap being approximately triangular, one vertex of the flap being located above the storage compartment, two sides of the flap including the vertex being continuously joined to the inside of the protective clothing, the left-right width of the lower end of the flap being greater than the left-right width of the upper end of the storage compartment, the lower end of the flap forming an overlapping portion with the upper end of the storage compartment, the lower end of the flap being located more inside the protective clothing than the upper end of the storage compartment at the overlapping portion, and the inside of the storage compartment being accessible via the overlapping portion.
[0011] In protective clothing with this configuration, sensors can be stored in the storage compartment from the overlapping portion, and sweat and other contaminants adhering to the inside of the protective clothing typically move downward from there. Sweat and other contaminants that reach the top of the flap travel along the two sides of the flap to the lower portion of the protective clothing, avoiding the storage compartment. This prevents sweat and other contaminants from entering the storage compartment. [Effects of the Invention]
[0012] According to the present invention, it is possible to provide protective clothing that allows the environment inside the protective clothing to be monitored from the outside of the protective clothing and that can prevent sensors placed inside the protective clothing from breaking down or malfunctioning due to the wearer's sweat, etc. [Brief explanation of the drawings]
[0013] [Figure 1] FIG. 1 is a schematic front view of a protective suit according to an embodiment of the present invention. [Figure 2] FIG. 2 is a schematic front view of a storage section provided in the protective clothing of one embodiment of the present invention. [Figure 3] FIG. 3 is a schematic cross-sectional view of a storage section provided in the protective clothing of one embodiment of the present invention. [Figure 4] FIG. 4 is a schematic front view of a storage section provided in protective clothing according to another embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION
[0014] The protective clothing of the present invention will be described below with reference to the drawings.
[0015] In the present invention, the "inside" of the protective clothing refers to the side facing the wearer when the protective clothing is worn, and the "outside" of the protective clothing refers to the side opposite the inside of the protective clothing. The "outermost layer" of the protective clothing refers to the layer that constitutes the outer surface of the protective clothing. In the present invention, a film, a laminated nonwoven fabric, or the like, as described in detail below, may correspond to the outermost layer of the protective clothing. The "left-right direction" refers to a direction approximately perpendicular to the vertical direction of the protective clothing being worn. The "downward direction" refers to the vertical direction of the protective clothing being worn, and also refers to the direction from the wearer's head to their legs. The "upward direction" refers to the vertical direction of the protective clothing being worn, and also refers to the direction from the wearer's legs to their head. In addition, the "upper end" of the storage compartment refers to the upper end of the storage compartment, the "lower end" of the storage compartment refers to the lower end of the storage compartment, the "right end" of the storage compartment refers to the right end of the storage compartment, and the "left end" of the storage compartment refers to the left end of the storage compartment.
[0016] Fig. 1 is a schematic front view of protective clothing according to one embodiment of the present invention. This protective clothing 1 is primarily composed of an upper body 11, a lower body 12, a hood 13, a zipper 14, and a storage compartment 15. As shown in Fig. 1, the upper body 11 is a member that covers the wearer's upper body, including the arms and chest. The lower body 12 is a member that covers the wearer's lower body, including the legs and buttocks. The hood 13 is a member that covers the wearer's head. The zipper 14 is an openable and closable portion that opens and closes when putting on or taking off the protective clothing.
[0017] One of the features of the protective clothing of the present invention is that it includes a storage section 15 as shown in FIG. 1. FIG. 2 is a schematic front view of a storage section included in protective clothing according to one embodiment of the present invention, but the present invention is not limited to this configuration. Here, the storage section 15 is configured by stacking two or more sheet-like materials, and these two or more sheet-like materials are intermittently joined at both left and right ends from the upper end to the lower end of the storage section 15. The lower ends of these two or more sheet-like materials are also intermittently joined from the right end to the left end of the storage section. When a line extending from the right end to the left end of the storage section 15 at the lower end is referred to as a "joint line," this joint line alternates between joined and unjoined portions, i.e., intermittently. Here, the "unjoined portion" refers to a portion where the multiple sheet-like materials constituting the storage section 15 are not joined to each other.
[0018] As described above, the multiple sheet-like materials that make up the storage section are intermittently joined at specific locations in storage section 15, which allows sensors to be stored and held in the storage section, and also allows sweat and other substances that enter the storage section to be expelled to the outside of the storage section via the non-joined sections. This prevents the sensors stored in the storage section from coming into contact with sweat and other substances for long periods of time, which in turn prevents the sensors from breaking down or malfunctioning.
[0019] The storage compartment of the protective clothing of the present invention is composed of two or more sheet-like materials. Of the two or more sheet-like materials, the sheet-like material that constitutes one of the outermost layers of the storage compartment (hereinafter, sometimes referred to as the first sheet-like material) also constitutes part of the outermost layer of the protective clothing. In addition to the above characteristics, the first sheet-like material has a total light transmittance of 40% or more. This characteristic allows the sensors stored in the storage compartment to be visually confirmed from outside the protective clothing. Therefore, if the sensors are temperature and humidity sensors, the environment inside the protective clothing of a worker working in a hot and humid environment can be easily confirmed by the worker himself or other workers. This makes it possible to quickly notice when the environment inside the protective clothing becomes hot and humid, thereby preventing the worker from suffering from heatstroke.
[0020] Furthermore, the sheet-like material other than the first sheet-like material (hereinafter sometimes referred to as the second sheet-like material) among the two or more sheet-like materials has a moisture permeability of 200 g / m 2 1.5 Hr or more and a water resistance of 400 to 2000 mmH2O. This feature makes it easier for the temperature and humidity inside the protective suit and the temperature and humidity inside the storage compartment to be in equilibrium via the second sheet-like material, and as a result, the sensors stored in the storage compartment can more accurately reflect the environment inside the protective suit.
[0021] The storage section 15 may be attached anywhere on the protective clothing as long as the displays of the various sensors installed inside the storage section for collecting environmental information can be seen from the outside of the protective clothing, but from the viewpoint of excellent visibility, it is preferable to attach it to the worker's chest. Furthermore, the size and shape of the storage section are not particularly limited as long as it can store the various sensors and can ensure sufficient visibility from the outside of the protective clothing, but from the viewpoint of improving storage and removal ease and improving productivity of the protective clothing, it is preferable that the storage section have a roughly rectangular shape with top, bottom, left and right end lengths of 5 cm to 20 cm.
[0022] The storage compartment 15 of the protective clothing of the present invention is formed by stacking two or more sheet-like materials, and the two or more sheet-like materials are intermittently joined at both lateral ends and a lower end. This structure allows various sensors installed inside the protective clothing to be stored between the two or more sheet-like materials for collecting environmental information. Here, "intermittently joined" refers to a state in which joined and non-joined portions are alternately arranged, and preferably, the joined and non-joined portions are alternately arranged. This configuration allows the wearer's sweat and other substances that enter the storage compartment 15 to be easily excreted from the non-joined portions at both lateral ends and a lower end, thereby preventing sweat and other substances from remaining inside the storage compartment for a long period of time. This prevents prolonged contact between the sensors stored in the storage compartment and sweat, thereby preventing sensor failure or malfunction. From the perspective of facilitating the excretion of the wearer's sweat and other substances from the storage compartment and preventing sensors from falling off, if the joints are located on the joint line, the length of the joints parallel to the joint line is preferably 10 to 30 mm. The distance between adjacent joints in the direction parallel to the joint line is preferably 10 to 30 mm.
[0023] The sheet-like material constituting one of the outermost layers of the storage section is a first sheet-like material 31 constituting part of the outermost layer of the protective clothing, and this first sheet-like material 31 has a total light transmittance of 40% or more, more preferably 50% or more. However, there is no particular upper limit. By providing the above total light transmittance, it becomes possible to visually recognize the display of a sensor installed inside the clothing from the outside through the first sheet-like material 31.
[0024] The first sheet-like material 31 is not particularly limited as long as it has a total light transmittance of 40% or more, and may be a film, nonwoven fabric, woven fabric, etc. The first sheet-like material is preferably a film, from the viewpoints that the total light transmittance can be easily increased, excellent visibility from the outside of the protective clothing can be ensured, and excellent barrier properties can also be provided.
[0025] The first sheet-like material can be a resin such as polyethylene, polypropylene, polyethylene terephthalate, polyethylene naphthalate, polyphenylene sulfide, polyvinyl fluoride, or polyimide. The first sheet-like material may have a single-layer structure or a laminate structure consisting of two or more layers. As described above, the first sheet-like material constitutes part of the outermost layer of the protective clothing. However, if the outermost layer of the protective clothing is made of a different material than the first sheet-like material, the first sheet-like material will be joined to the material other than the first sheet-like material. To improve workability during joining of these materials, the first sheet-like material preferably has appropriate rigidity, and is preferably made of polyethylene terephthalate or polyethylene naphthalate. If the first sheet-like material 31 is a film, it is preferably anti-fog treated to prevent condensation on the inner surface of the protective clothing. The anti-fogging treatment is preferably a method of treating the surface of the first sheet-like material with a hydrophilic agent or a water-repellent agent, and known treatment techniques and conditions can be used.
[0026] The thickness of the first sheet-like material 31 is preferably 50 to 500 μm, more preferably 100 to 400 μm, and even more preferably 150 to 200 μm, in view of the balance between cost, ease of handling during production of protective clothing, and abrasion resistance.
[0027] The following is an example of a method for installing the storage compartment 15. The edge of a first sheet-like material is bonded to the edge of a hole in the fabric of the protective clothing. A second sheet-like material is then placed over the first sheet-like material from the inside of the protective clothing. A portion of the second sheet-like material is then bonded to the fabric of the protective clothing. Although a portion of the second sheet-like material is not bonded to the fabric of the protective clothing, this portion is used to insert and remove sensors from the storage compartment. Therefore, the unbonded edge of the second sheet-like material is located at the upper end of the second sheet-like material, forming the upper end of the storage compartment. The bonding method can be one or a combination of two or more of the following: high-frequency welding, ultrasonic sewing, adhesive bonding, heat fusion, staples, and double-sided tape. Among these, double-sided tape is preferred from the standpoints of productivity and cost. Figure 3 is a schematic cross-sectional view of a storage compartment in a protective clothing according to one embodiment of the present invention. Around the storage compartment in this protective clothing, the area of the protective clothing fabric surrounding the space between the protective clothing fabric 21 is a hole, and the edge of the first sheet-like material 31 and the edge of the hole are joined by a joint, so that the space between the protective clothing fabric 21 is closed by the first sheet-like material 31. Furthermore, the first sheet-like material 31 and the sheet-like material 22 other than the first sheet-like material are joined by a joint 33. And, a non-jointed area 34 exists between adjacent joints.
[0028] The sheet-like material 22 other than the first sheet-like material among the two or more sheet-like materials (hereinafter, sometimes referred to as the second sheet-like material 22) has a moisture permeability of 200 g / m 2 hr or more, preferably 300 g / m 2 On the other hand, the upper limit of the moisture permeability of the second sheet-like material is not particularly limited, but is preferably 500 g / m 2 Moisture permeability of 200 g / m 2By setting the temperature to 1.5 Hr or more, the humidity environment inside the protective clothing and the humidity environment inside the storage compartment can be made closer to the same, making it possible to accurately grasp the temperature and humidity inside the clothing.
[0029] By setting the water pressure resistance of the second sheet-like material 22 to 400 mmH2O or more, it is possible to prevent sweat from seeping into the pockets and causing sensors to malfunction or malfunction when working while wearing protective clothing. On the other hand, by setting the water pressure resistance of the second sheet-like material 22 to 2000 mmH2O or less, it is possible to make the pockets highly flexible and lightweight.
[0030] The water pressure resistance of the second sheet-like material 22 can be adjusted to the desired range by applying a highly water- and oil-repellent agent to the second sheet-like material 22, by forming the second sheet-like material into a laminated structure including a water- and oil-repellent nonwoven fabric and further increasing the basis weight of the water- and oil-repellent nonwoven fabric, by embossing or calendaring the water- and oil-repellent nonwoven fabric to increase its density and reduce its breathability, by combining a spunbond nonwoven fabric and a meltblown nonwoven fabric to increase its density and reduce its breathability, or by making the second sheet-like material include a film layer. Known processing techniques and processing conditions can be used to impart water and oil repellency, such as by subjecting fabric to a water- and oil-repellent finish.
[0031] The material of the second sheet-like material 22 is not particularly limited. Examples include polyolefins such as polyethylene and polypropylene, polyesters such as polyethylene terephthalate and polylactic acid, polycarbonate, polystyrene, polyphenylene sulfite, fluorine-based resins, and mixtures thereof. Among these, it is preferable to use a polyolefin-based resin as the main component from the viewpoints of productivity and excellent texture.
[0032] The second sheet-like material 22 may be in the form of a fibrous structure such as a woven fabric, a knitted fabric, a nonwoven fabric, or a paper, or a film, or a laminate of a film and a fibrous structure. Among these, nonwoven fabrics are preferred from the viewpoints of cost, tensile strength, and abrasion resistance. Examples of nonwoven fabrics include wet-laid nonwoven fabrics, resin-bonded dry-laid nonwoven fabrics, thermal-bonded dry-laid nonwoven fabrics, spunbonded dry-laid nonwoven fabrics, needle-punched dry-laid nonwoven fabrics, water-jet-punched dry-laid nonwoven paper fabrics, melt-blown nonwoven fabrics, and flash-spun dry-laid nonwoven fabrics. Nonwoven fabrics manufactured by a papermaking method that can achieve uniform basis weight and thickness are also preferred. Among these, spunbonded dry-laid nonwoven fabrics are preferred from the viewpoints of cost, tensile strength, and abrasion resistance. Furthermore, nonwoven fabrics combining spunbonded dry-laid nonwoven fabrics and melt-blown nonwoven fabrics are also suitable.
[0033] The tensile strength of the second sheet-like material 22 is preferably 5 N / 25 mm or more in order to ensure excellent tensile strength of the storage section. It is more preferably 10 N / 25 mm or more, and even more preferably 20 N / 25 mm or more. On the other hand, the upper limit of the tensile strength is preferably 300 N / 25 mm or less in order to ensure appropriate softness of the pocket.
[0034] The puncture strength of the second sheet-like material 22 is preferably 3 N or more, more preferably 5 N or more, and even more preferably 8 N or more, from the viewpoint of improving the puncture strength of the storage section 15. On the other hand, the upper limit of the puncture strength is preferably 100 N or less. When the puncture strength is 100 N or less, the flexibility and lightness of the storage section can be improved.
[0035] The protective clothing 1 of the present invention includes a flap 41 inside the protective clothing and above the storage compartment. The flap is approximately triangular, with one vertex of the flap 41 positioned above the storage compartment. Two edges of the flap 41, including the vertex, are continuously joined to the inside of the protective clothing. The lower end of the flap overlaps with the upper end of the storage compartment and is preferably located closer to the interior of the protective clothing than the upper end of the storage compartment. In protective clothing with this configuration, sensors can be stored in the storage compartment through the overlapping edge. Sweat and other contaminants adhering to the inside of the protective clothing typically move downward from there. Sweat and other contaminants reaching the top of the flap travel down the two edges of the flap to the lower portion of the protective clothing, avoiding the storage compartment. This prevents sweat and other contaminants from entering the storage compartment.
[0036] 4 is a schematic front view of a storage compartment included in protective clothing according to another embodiment of the present invention. In this protective clothing, a triangular flap 41 is located above a storage compartment composed of a first sheet-like material, a second sheet-like material 22, and joints 23 and 24. Two edges of the flap 41, including its vertex, are continuously joined to the inside of the protective clothing at joint 42. The width of the lower end of the flap in the left-right direction is greater than the width of the upper end of the storage compartment. The lower end of the flap overlaps with the upper end of the storage compartment. At the overlap, the lower end of the flap is located more inward of the protective clothing than the upper end of the storage compartment, allowing access to the interior of the storage compartment via the overlap. The upper end of the storage compartment overlaps with the lower end of the flap.
[0037] The material of the flap 41 is not particularly limited. Examples include polyolefins such as polyethylene and polypropylene, polyesters such as polyethylene terephthalate and polylactic acid, polycarbonate, polystyrene, polyphenylene sulfite, fluorine-based resins, and mixtures thereof. Among these, polyolefin-based resins are preferred as the main component from the viewpoints of productivity and excellent texture. The sheet-like material constituting the flap may be the same as the first sheet-like material or the second sheet-like material.
[0038] Materials for the flap 41 include woven fabrics, knitted fabrics, nonwoven fabrics, fiber structures such as paper, films, and laminates of films and fiber structures. Among these, nonwoven fabrics are preferred from the viewpoints of cost, tensile strength, and abrasion resistance. Examples of nonwoven fabrics include wet-laid nonwoven fabrics, resin-bonded dry-laid nonwoven fabrics, thermal-bonded dry-laid nonwoven fabrics, spun-bonded dry-laid nonwoven fabrics, needle-punched dry-laid nonwoven fabrics, water-jet-punched dry-laid nonwoven paper fabrics, melt-blown nonwoven fabrics, and flash-spun dry-laid nonwoven fabrics. Nonwoven fabrics manufactured by a papermaking method that can achieve uniform basis weight and thickness are also preferred. Among these, spun-bonded dry-laid nonwoven fabrics are preferred from the viewpoints of cost, tensile strength, and abrasion resistance. Furthermore, nonwoven fabrics combining spun-bonded dry-laid nonwoven fabrics and melt-blown nonwoven fabrics are also suitable.
[0039] Two sides of the flap 41 including the vertex are continuously joined to the inside of the protective clothing, and joining methods include joining with a high-frequency welder, sewing, ultrasonic sewing, adhesive, heat fusion, a stapler, double-sided tape, etc. Among these, joining with double-sided tape is preferred, particularly from the viewpoints of productivity and cost.
[0040] Examples of the form of the protective clothing 1 of the present invention include coverall-type protective clothing, top and bottom separate-type protective clothing, jumper-type protective clothing, blouson-type protective clothing, surgical gown-type protective clothing, and jacket-type protective clothing. Among these, coverall-type protective clothing is preferred, as it separates the air layer inside the clothing from the air layer in the external environment. In the case of top and bottom separate-type protective clothing, the gap between the upper and lower parts may be connected with adhesive tape to prevent air inflow.
[0041] There are no particular restrictions on the material of the protective clothing fabric 21 used in the protective clothing 1. Examples include polyolefins such as polyethylene and polypropylene, polyesters such as polyethylene terephthalate and polylactic acid, polycarbonate, polystyrene, polyphenylene sulfite, fluorine-based resins, and mixtures thereof. Among these, it is preferable to use polyolefin-based resins as the main component from the viewpoints of productivity and excellent texture.
[0042] Materials for the protective clothing fabric 21 include woven fabrics, knitted fabrics, nonwoven fabrics, fiber structures such as paper, films, and laminates of films and fiber structures. Among these, nonwoven fabrics are preferred from the standpoints of cost, tensile strength, and abrasion resistance. Examples of nonwoven fabrics include wet-laid nonwoven fabrics, resin-bonded dry-laid nonwoven fabrics, thermal-bonded dry-laid nonwoven fabrics, spunbonded dry-laid nonwoven fabrics, needle-punched dry-laid nonwoven fabrics, water-jet-punched dry-laid nonwoven paper fabrics, melt-blown nonwoven fabrics, and flash-spun dry-laid nonwoven fabrics. Nonwoven fabrics manufactured by papermaking methods that can achieve uniform basis weight and thickness are also preferred. Among these, spunbonded dry-laid nonwoven fabrics are preferred from the standpoints of cost, tensile strength, and abrasion resistance. Furthermore, nonwoven fabrics combining spunbonded dry-laid nonwoven fabrics and melt-blown nonwoven fabrics are also suitable.
[0043] The protective clothing fabric may be provided with other functions, such as water repellency, oil repellency, antistatic properties, flame retardancy, antibacterial properties, and antifungal properties, as long as the effects of this embodiment are not impaired.
[0044] The sensor for displaying the in-garment environmental information can be any existing sensor, such as a temperature and humidity logger, a humidity indicator card, a temperature indicator card, etc. Among these, it is preferable to use an indicator card, which is lightweight and cost-effective. [Example]
[0045] The protective clothing of the present invention is not limited to the specific examples of protective clothing described in the following examples. <Measurement method> (1) Total light transmittance The light transmittance was measured using a reflectance / transmittance meter (manufactured by Nippon Denshoku Industries Co., Ltd., product name "NDH-5000"). For the measurement, an A light source was used to measure the total light transmittance Tt value. Ten points were selected arbitrarily on the sheet-like material, and the total light transmittance at these ten points was measured. The average value of the ten measured values was taken as the total light transmittance value.
[0046] (2) Moisture permeability Measurements were made based on JIS L 1099:2012, 7.1.1 A-1 method. Moisture permeability was evaluated in a constant temperature and humidity chamber adjusted to 40°C and 90% RH (n=3), and the average value was expressed in g / m2·h.
[0047] (3) Water pressure resistance Measurements were made based on the JIS L1092:2009 low-pressure method. Five 150mm x 150mm test pieces were taken. The water level was raised at a rate of 600mm / min ±30mm / min, and the water level was measured in mm when water appeared from three points on the back of the test piece. Evaluation was performed on n=3, and the average of the three measurements was expressed in mmH2O and was taken as the water pressure resistance.
[0048] (4) Tensile strength Measurements were made in accordance with Section 6.3.1 of JIS L 1913:2010. Test pieces 25 mm wide and 60 mm long were cut out and subjected to a tensile test on three samples in the longitudinal direction of the test piece at a grip distance of 20 mm and a pulling speed of 50 mm / min using a constant-rate extension tensile tester (Shimadzu Corporation, trade name "Autograph AG-50NKG"), and the maximum strength when the sample was pulled until it broke was taken as the tensile strength. The average of the three measured values was calculated and taken as the tensile strength (N / 25 mm).
[0049] (5) Puncture strength Measurements were made in accordance with JIS T 8051: 2005. Test pieces 55 mm in diameter were taken, and a puncture test was carried out using a constant-speed extension tensile tester (Shimadzu Corporation, product name "Autograph AG-50NKG") at a needle penetration speed of 100 mm / min. The maximum force until the needle penetrated was taken as the puncture strength, and the average of the three measured values obtained for each sample was calculated to obtain the puncture strength (N).
[0050] (6) Water drainage evaluation 20 ml of ion-exchanged water was poured into the space between the first and second sheets of the test specimen using a dropper. The drainage time required for all of the poured ion-exchanged water to be expelled to the outside between the first and second sheets was measured, and the drainage of the storage section was evaluated. A drainage time of 5 seconds or less was evaluated as "◎", a drainage time of more than 5 seconds but less than 120 seconds was evaluated as "〇", and a drainage time of less than 120 seconds was evaluated as "×".
[0051] [Example 1] A hole measuring 150 mm in length and 150 mm in width was made in the chest area of the upper body of a LIVMOA (registered trademark) model number H-01-001 (manufactured by Toray Industries, Inc.) using scissors. Lumirror (registered trademark) #188-T60 (manufactured by Toray Industries, Inc., total light transmittance 89%) was cut into a piece measuring 160 mm in length and 160 cm in width as the first sheet-like material. The second sheet-like material was cut from the upper body fabric of LIVMOA (registered trademark) model number H-01-001 (manufactured by Toray Industries, Inc.) (moisture permeability: 358 g / m 2A 160mm x 160mm piece of sheet material (water resistance: 1231mmH2O, water pressure resistance: 1231mmH2O) was cut out. The left and right ends and bottom ends of the first and second sheet materials were intermittently joined with 30mm joints and 20mm non-joints using double-sided tape (model: STD-12) manufactured by 3M Japan Co., Ltd. to create a storage compartment. The edge of the first sheet material in this storage compartment was continuously joined to the edge of a hole in the fabric constituting the protective clothing using double-sided tape (model: STD-12) manufactured by 3M Japan Co., Ltd., to create a protective clothing with a storage compartment. The drainage time was evaluated as 3 seconds, resulting in a rating of "Excellent."
[0052] [Example 2] A protective suit with a storage compartment was obtained in the same manner as in Example 1, except that both right-hand ends and lower ends of the first and second sheet-like materials were intermittently joined with 20 mm joined sections and 20 mm unjoined sections. As a result of the evaluation of water drainage, the water drainage time was 4 seconds, and the result was rated as "◎".
[0053] [Example 3] A protective suit with a storage section was obtained in the same manner as in Example 1, except that both right-hand ends and lower ends of the first and second sheet-like materials were intermittently joined with a 20 mm joint and a 10 mm non-joint. As a result of the evaluation of water drainage, the water drainage time was 36 seconds, and the result was rated as "Good."
[0054] [Example 4] A protective suit with a storage compartment was obtained in the same manner as in Example 1, except that both right-hand ends and lower ends of the first and second sheet-like materials were intermittently joined with a 10 mm joint and a 30 mm non-joint. As a result of the evaluation of water drainage, the water drainage time was 3 seconds, and the result was rated as "◎".
[0055] [Example 5] For the protective clothing with a storage compartment fabricated in the same manner as in Example 1, LIVMOA® Model H-01-001 (manufactured by Toray Industries, Inc.) upper body fabric (moisture permeability: 358 g / m²·hr, water resistance: 1231 mmH²O) was cut into an equilateral triangle with one side of the triangular flap measuring 200 mm. One vertex of the flap was positioned above the storage compartment, and the two edges of the flap, including the vertex, were continuously attached to the inside of the protective clothing using double-sided tape (model STD-12) manufactured by 3M Japan Co., Ltd., to produce a protective clothing with a storage compartment and flap. The water drainage time was evaluated as 3 seconds, and the rating was "Excellent." The protective clothing was worn and walked for 30 minutes in an environment of 30°C and 80% RH. The flap effectively prevented sweat dripping from the top of the storage compartment from entering the storage compartment.
[0056] [Comparative Example 1] Protective clothing with storage sections was obtained in the same manner as in Example 1, except that the storage sections were connected continuously. As a result of the evaluation of water drainage, it was found that the ion-exchanged water had not drained from the storage section even 130 seconds after the ion-exchanged water was poured into the storage section, and it can be said that the water drainage time was 130 seconds or more. Therefore, the result was judged as "X."
[0057] Table 1 shows the evaluation results of Examples 1 to 5 and Comparative Example 1.
[0058] [Table 1] [Industrial Applicability]
[0059] The present invention is suitable as protective clothing that can grasp the environment inside the protective clothing from the outside of the protective clothing and can prevent sensors placed inside the protective clothing from breaking down or malfunctioning due to the wearer's sweat, etc. [Explanation of symbols]
[0060] 1 Protective clothing 11 Upper body 12 Lower body area 13 Food Section 14 Zipper section 15 Storage area 16 Hood and upper body joint 17 Joint of upper and lower body 2 Storage area 21 Protective clothing fabric 22 Second sheet-like object 23 Intermittent joint between the first sheet-like material and the second sheet-like material in the left-right direction 24 Intermittent joint between the first sheet-like material and the second sheet-like material in the downward direction 31 First sheet-like object 32 Joint between protective clothing fabric and first sheet-like object 33 Joint of first sheet-like material and second sheet-like material 34 Non-jointed portion of the first sheet-like material and the second sheet-like material 41 Flap 42 Continuous joint between flap and protective clothing fabric
Claims
1. At least a portion of the storage section is provided, the storage section is formed by stacking two or more sheet-like objects, and the two or more sheet-like objects are intermittently joined at both left and right ends and at a lower end, the sheet-like material constituting one of the outermost layers of the storage section is a first sheet-like material constituting a part of the outermost layer of the protective clothing, the total light transmittance of the first sheet-like material is 40% or more; The sheet-like materials other than the first sheet-like material among the two or more sheet-like materials have a moisture permeability of 200 g / m 2 That's all, In addition, the water pressure resistance is 400 to 2000 mmH. 2 O is protective clothing.
2. A flap is provided inside the protective clothing and on top of the storage compartment, The flap is generally triangular in shape; One vertex of the flap is located above the storage compartment, Two sides of the flap including the vertex portion are continuously joined to the inside of the protective clothing, The width of the lower end of the flap in the left-right direction is larger than the width of the upper end of the storage section in the left-right direction, a downward end of the flap overlaps with an upward end of the storage section; In the overlapping portion, a downward end of the flap is located more inside the protective clothing than an upper end of the storage portion, The protective suit of claim 1 , wherein the interior of the storage compartment is accessible through the overlapping portion.
Citation Information
Patent Citations
Protective clothing
JP2018139899A
protective clothing
JP3183170U