Eye mask

Abstract

To provide an eye mask capable of improving comfortableness to be given to a wearer.SOLUTION: The eye mask comprises: a body which covers the eyes and / or the peripheries of the eyes and the temples of a wearer when the eye mask is worn; a pair of ear wearing parts which can be worn onto the ears of the wearer; and a heat generator which is provided at the body. The heat generator is disposed at the body so as to directly or indirectly face the eyes and / or the peripheries of the eyes of the wearer when the eye mask is worn, and the body is capable of transmitting the heat of the heat generator to the temples of the wearer.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to an eye mask. [Background technology]

[0002] Conventionally, eye masks have been known that include a main body that covers the wearer's eyes and the area around the eyes when worn, ear hooks attached to both ends of the main body in the width direction, and a heating element provided in the main body (Patent Document 1, etc.). Conventional eye masks, including the eye mask described in Patent Document 1, can provide comfort to the wearer because heat generated from the heating element is conducted to the wearer's eyes and the area around the eyes. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2015-123336 A Summary of the Invention [Problem to be solved by the invention]

[0004] Meanwhile, conventional eye masks do not take into consideration the fact that the main body covers the wearer's temples when worn. However, the inventors have discovered that by having the main body cover the wearer's temples when the eye mask is worn, the heat generated from the heating element 20 can also be conducted to the wearer's temples, providing even greater comfort to the wearer.

[0005] The present invention relates to an eye mask that can improve comfort for the wearer. [Means for solving the problem]

[0006] The eye mask of the present invention comprises a main body portion that covers the wearer's eyes and / or the area around the eyes and temples when worn, a pair of ear attachment portions that can be attached to the wearer's ears, and a heating element provided in the main body portion, the heating element being positioned in the main body portion so as to directly or indirectly face the wearer's eyes and / or the area around the eyes when worn, and the main body portion being configured to be able to conduct heat from the heating element to the wearer's temples as well. Effect of the Invention

[0007] According to the eye mask of the present invention, it is possible to improve comfort for the wearer. [Brief description of the drawings]

[0008] [Figure 1] FIG. 1 is a plan view showing an eye mask according to an embodiment of the present invention. [Diagram 2] FIG. 1 is an exploded perspective view showing an eye mask according to the present embodiment. [Diagram 3] 1 is a schematic cross-sectional view showing an eye mask according to the present embodiment. [Figure 4] FIG. 2 is a perspective view showing a human head model. [Diagram 5] FIG. 2 is a plan view showing a heating element according to the embodiment. [Figure 6] FIG. 6 is a schematic cross-sectional view taken along line AA' in FIG. 5. [Figure 7] FIG. 2 is a schematic diagram showing a measuring device for measuring the amount of generated water vapor. [Figure 8] FIG. 8(a) is a diagram showing the process of putting on the eye mask according to this embodiment, and FIG. 8(b) is a diagram showing the eye mask according to this embodiment in a put-on state. [Figure 9] FIG. 9(a) is a thermographic image of the state in which the eye mask of Example 1 is worn, and FIG. 9(b) is a thermographic image of the state in which the eye mask of the comparative example is worn. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Preferred embodiments for carrying out the present invention will be described below with reference to the drawings. Note that the following embodiments do not limit the inventions according to the claims, and not all of the combinations of features described in the embodiments are necessarily essential to the solution of the invention. In addition, in the present embodiments, the scale and dimensions of each component may be exaggerated, and some components may be omitted.

[0010] [Overall configuration of eye mask] 1 to 3, the eye mask 1 according to this embodiment includes a main body portion 10 that covers the wearer's eyes and / or the area around the eyes and temples when worn, a pair of ear attachment portions that can be attached to the wearer's ears, and a heating element 20 provided on the main body portion 10. In this embodiment, the ear attachment portions are ear insertion portions 16, which will be described later, and are provided on the main body portion 10.

[0011] In this specification, in a plan view of the eye mask 1 (see FIG. 1), the direction in which an upper edge 11, which will be described later, is located is defined as "upper", and the direction in which a lower edge 12, which will be described later, is located is defined as "lower". In addition, in this specification, the direction perpendicular to the up-down direction in a plan view of the eye mask 1, i.e., the direction coinciding with the arrangement direction of a first panel portion 10A and a second panel portion 10B, which will be described later, is defined as the "width direction".

[0012] In this specification, the areas present in the inner region of the eye socket, such as the eyeball, eyelids, and eyelashes, are collectively defined as "eyes." In addition, in this specification, the eyebrows, the space between the eyebrows, and the upper ends of the cheeks are collectively defined as "around the eyes." Furthermore, in this specification, the areas that fall under (1) or (2) below are defined as "temples." (1) The concave area of ​​the skull located between the end of the eyebrow and the top of the base of the ear. (2) As shown in Figure 4, within a circular area of ​​radius 10 mm with center O being 15 mm toward the head from intersection P of imaginary line VL1 connecting the outer corner of the eye and the top end of the base of the ear of the human head model HM and imaginary line VL2 extending vertically through a point 30 mm from the end of imaginary line VL1 on the outer corner of the eye. The virtual lines VL1 and VL2 are virtual lines extending along the surface of the human head model HM. As the "human head model HM," a female human head model (width 151.24 mm, depth 206.82 mm, height 233.01 mm) shaped based on the average female head data (2014 edition) produced by Digital Human Technology Co., Ltd. can be used.

[0013] [Main body configuration] As shown in Figures 1 to 3, the main body 10 has a long upper edge portion 11 that is located on the wearer's forehead when the eye mask 1 is worn, a long lower edge portion 12 that is located on the wearer's cheek side when the eye mask 1 is worn, and a pair of side edge portions 13 extending from both ends of the upper edge portion 11 to both ends of the lower edge portion 12, and is formed overall in a rectangular shape that is long in the width direction.

[0014] The upper edge 11 and the lower edge 12 are formed in an arc shape that curves slightly upward toward the center of the main body 10. The side edge 13 is formed in an arc shape that curves outward in the width direction of the main body 10. In addition, the connection portion between the upper edge 11 and the side edge 13 and the connection portion between the lower edge 12 and the side edge 13 are each formed in an arc shape that curves outward from the main body 10. This configuration has the advantage of improving the design of the eye mask 1.

[0015] The shape of the main body 10 is not limited to this, and for example, at least one of the upper edge 11 and the lower edge 12 may be formed in a straight line extending along the width direction, at least one of the upper edge 11 and the lower edge 12 may be formed in an arc curved toward the center of the main body 10 and downward, at least one of the upper edge 11 and the lower edge 12 may protrude or curve locally, the side edge 13 may be formed in a straight line extending along the vertical direction, the side edge 13 may protrude or curve locally, at least one of the upper edge 11 and the side edge 13 and the lower edge 12 and the side edge 13 may be perpendicular to each other, or the main body 10 may have any of various other known shapes.

[0016] In addition, the main body portion 10 has a vertical centerline 14 that divides the main body portion 10 in the width direction, a first panel portion 10A that constitutes one side in the width direction relative to the vertical centerline 14, and a second panel portion 10B that constitutes the other side in the width direction relative to the vertical centerline 14.

[0017] The vertical center line 14 is an imaginary straight line that passes through the center of the width of the main body 10 and extends in the up-down direction. The first panel portion 10A and the second panel portion 10B are formed to have the same shape and size, and are arranged to be symmetrical with respect to the vertical center line 14. In this embodiment, the first panel portion 10A and the second panel portion 10B are formed as an integral unit. Note that the first panel portion 10A and the second panel portion 10B formed as separate members may be integrated into one unit.

[0018] The main body 10 also has a nose insertion portion 15 through which the wearer's nose can be inserted, and a pair of ear insertion portions 16 through which the wearer's ears can be inserted.

[0019] The nose insertion portion 15 is a substantially triangular cutout formed so as to taper from the lower edge portion 12 toward the upper edge portion 11. The nose insertion portion 15 is formed on the vertical center line 14. Specifically, the nose insertion portion 15 is formed so that the center of the width direction of the nose insertion portion 15 is located on the vertical center line 14. In this way, since the main body portion 10 has the nose insertion portion 15, the main body portion 10 is not located on the bridge of the wearer's nose, and therefore the fit of the main body portion 10 to the wearer's eyes and / or the area around the eyes can be improved. Therefore, the heat generated from the heating element 20 is easily transmitted to the wearer's eyes and / or the area around the eyes, and the thermal effect on the wearer's eyes and / or the area around the eyes can be enhanced. Furthermore, the fit of the main body portion 10 to the wearer's eyes and / or the area around the eyes can be improved by improving the fit of the main body portion 10 to the wearer's eyes and / or the area around the eyes. The nose insertion portion 15 may be a slit formed from the lower edge portion 12 toward the upper edge portion 11.

[0020] The ear insertion portions 16 are provided at both widthwise ends of the main body portion 10. Specifically, the ear insertion portions 16 are provided in the first panel portion 10A and the second panel portion 10B. In this embodiment, the ear insertion portions 16 are openings having a shape and size that allow the wearer's ears to be inserted therethrough.

[0021] In this way, by providing the ear insertion portion 16 on the main body portion 10, the fit of the main body portion 10 to the temple of the wearer can be improved. Therefore, the heat generated from the heating element 20 is easily transmitted to the temple of the wearer, and the warming effect on the temple of the wearer can be enhanced. In addition, by improving the fit of the main body portion 10 to the temple of the wearer, the sense of immersion given to the wearer can be improved. That is, in this embodiment, a separate member such as an ear hook is not provided on the main body portion 10, and the ear insertion portion 16 is formed directly on the main body portion 10. Specifically, the ear insertion portion 16 is provided on both ends of the main body portion 10 in the width direction, rather than on a separate member such as an ear hook. According to this configuration, the ear insertion portion 16 is not provided on a separate member such as an ear hook attached to both ends of the main body portion 10 in the width direction, but is formed directly on the main body portion 10, so that no gap is formed between the temple of the wearer and the main body portion 10, and the fit of the main body portion 10 to the temple of the wearer is improved.

[0022] In addition, in this embodiment, the main body 10 is formed in a rectangular shape elongated in the width direction, and the ear insertion portion 16 is provided on the main body 10, so that the coverage area of ​​the main body 10 on the wearer's temple is large. Therefore, there is an advantage that the thermal effect on the wearer's temple can be enhanced and the sense of immersion given to the wearer can be improved. That is, in this embodiment, a separate member such as an ear hook portion is not provided on the main body 10, and the ear insertion portion 16 is formed directly on the main body 10, and the main body 10 is formed in a rectangular shape elongated in the width direction. With this configuration, the ear insertion portion 16 is not provided on a separate member such as an ear hook attached to both widthwise ends of the main body portion 10, but is formed directly on the main body portion 10. Therefore, only the main body portion 10 is formed between the end of the heating element 20 on the ear insertion portion 16 side and the end of the ear insertion portion 16 on the heating element 20 side. Furthermore, since the main body portion 10 is formed in a rectangular shape that is elongated in the width direction, unlike when a separate member such as an ear hook is provided on the main body portion 10, no recesses are formed in the upper edge portion 11 and lower edge portion 12 between the end of the heating element 20 on the ear insertion portion 16 side and the end of the ear insertion portion 16 on the heating element 20 side. This increases the coverage area of ​​the wearer's temples by the main body portion 10.

[0023] In this specification, the term "rectangular" refers to a quadrilateral shape having a pair of long sides and a pair of short sides, and specifically refers to a shape that falls under the following (1) or (2). (1) The upper edge 11 and the side edge 13 are perpendicular to the lower edge 12 and the side edge 13, respectively, so that the main body 10 as a whole has a shape that is a perfect rectangle. (2) For example, the main body 10 has an approximately rectangular shape overall, such as when at least one of the upper edge 11, the lower edge 12, and the side edge 13 is formed in an arc shape, or when at least one of the connection portion of the upper edge 11 and the side edge 13 and the connection portion of the lower edge 12 and the side edge 13 is formed in an arc shape.

[0024] In the present embodiment, the ear insertion portion 16 is described as being provided in the main body 10, but is not limited thereto, and may be provided in a separate member such as an ear hook attached to both ends of the main body 10 in the width direction. For example, when the separate member such as the ear hook is a flat ear hook, an opening or slit formed in the ear hook functions as the ear insertion portion 16. On the other hand, when the separate member such as the ear hook is a string-like ear hook, the area defined by the ear hook and the main body 10 functions as the ear insertion portion 16. In addition, in the present embodiment, the ear insertion portion 16 is described as being an opening, but is not limited thereto, and may be a slit through which the wearer's ear can be inserted.

[0025] 1, the distance D1 between the end of one ear insertion portion 16 on the heating element 20 side and the end of the other ear insertion portion 16 on the heating element 20 side is preferably 150 mm or more, more preferably 185 mm or more, and even more preferably 200 mm or more, from the viewpoint of covering the temples of the wearer with the main body portion 10 when the eyemask 1 is worn. Moreover, the distance D1 between the end of one ear insertion portion 16 on the heating element 20 side and the end of the other ear insertion portion 16 on the heating element 20 side is preferably 300 mm or less, more preferably 280 mm or less, and even more preferably 255 mm or less, from the viewpoint of suppressing slackness of the main body portion 10 when the eyemask 1 is worn and improving the fit of the main body portion 10 to the eyes and / or the area around the eyes and temples of the wearer. In other words, the distance D1 between the end of one ear insertion portion 16 facing the heating element 20 and the end of the other ear insertion portion 16 facing the heating element 20 is preferably 150 mm or more and 300 mm or less, more preferably 185 mm or more and 280 mm or less, and even more preferably 200 mm or more and 255 mm or less.

[0026] In this specification, "the distance between the end of one ear insertion portion on the heating element side and the end of the other ear insertion portion on the heating element side" refers to the straight-line distance along the width from the end of one ear insertion portion 16 on the heating element 20 side to the end of the other ear insertion portion 16 on the heating element 20 side, as shown in Figure 1.

[0027] 1, the distance D2 between the vertical center line 14 and the end of the ear insertion portion 16 on the heating element 20 side is preferably 75 mm or more, more preferably 92.5 mm or more, and even more preferably 100 mm or more, from the viewpoint of covering the temples of the wearer with the main body portion 10 when the eyemask 1 is worn. Moreover, the distance D2 between the vertical center line 14 and the end of the ear insertion portion 16 on the heating element 20 side is preferably 150 mm or less, more preferably 140 mm or less, and even more preferably 127 mm or less, from the viewpoint of suppressing slackness of the main body portion 10 when the eyemask 1 is worn and improving the fit of the main body portion 10 to the eyes and / or the area around the eyes and temples of the wearer. That is, the distance D2 between the vertical center line 14 and the end of the ear insertion portion 16 on the heating element 20 side is preferably 75 mm or more and 150 mm or less, more preferably 92.5 mm or more and 140 mm or less, and even more preferably 100 mm or more and 127 mm or less.

[0028] In this specification, the "distance between the vertical center line and the end of the ear insertion portion on the heating element side" refers to the straight-line distance along the width direction from the vertical center line 14 to the end of the ear insertion portion 16 on the heating element 20 side, as shown in Figure 1.

[0029] As shown in Fig. 1, the width direction length L1 of the main body part 10 is preferably 220 mm or more, more preferably 240 mm or more, and even more preferably 260 mm or more, from the viewpoint of covering the temples of the wearer with the main body part 10 when the eye mask 1 is worn. In addition, the width direction length L1 of the main body part 10 is preferably 360 mm or less, more preferably 340 mm or less, and even more preferably 320 mm or less, from the viewpoint of suppressing slackness of the main body part 10 when the eye mask 1 is worn and improving the fit of the main body part 10 to the wearer's eyes and / or the area around the eyes and temples. That is, the width direction length L1 of the main body part 10 is preferably 220 mm or more and 360 mm or less, more preferably 240 mm or more and 340 mm or less, and even more preferably 260 mm or more and 320 mm or less.

[0030] In this specification, the "length of the main body in the width direction" refers to a length that falls within any one of the following (1) to (3). (1) As shown in FIG. 1, when side edge portion 13 is not formed in a straight line extending in the vertical direction, for example when side edge portion 13 is formed in an arc shape, the straight line length along the width direction from a tangent line along the vertical direction of one side edge portion 13 to a tangent line along the vertical direction of the other side edge portion 13. (2) In the case where the side edge 13 is formed in a straight line extending in the up-down direction, the straight line length along the width direction from one side edge 13 to the other side edge 13. (3) When separate members such as ear hooks are attached to both widthwise ends of the main body 10, the straight-line length along the widthwise direction from the end of one separate member such as an ear hook on the heating element 20 side to the end of the other separate member such as an ear hook on the heating element 20 side when the separate member such as an ear hook is unfolded.

[0031] As shown in Fig. 1, the length L2 in the vertical direction of the main body 10 is preferably 80 mm or more, more preferably 85 mm or more, and even more preferably 90 mm or more, from the viewpoint of increasing the coverage area of ​​the main body 10 on the wearer's face and giving the wearer a sense of immersion. Also, the length L2 in the vertical direction of the main body 10 is preferably 130 mm or less, more preferably 110 mm or less, and even more preferably 105 mm or less, from the viewpoint of reducing the coverage area of ​​the main body 10 on the wearer's forehead and preventing the wearer from feeling uncomfortable. That is, the length L2 in the vertical direction of the main body 10 is preferably 80 mm or more and 130 mm or less, more preferably 85 mm or more and 110 mm or less, and even more preferably 90 mm or more and 105 mm or less.

[0032] In this specification, the "length of the main body in the vertical direction" refers to a length that falls within any one of the following (1) to (3). (1) As shown in FIG. 1, when upper edge portion 11 and lower edge portion 12 are not formed in a straight line extending along the width direction, such as when upper edge portion 11 and lower edge portion 12 are formed in an arc shape, the straight line length in the vertical direction from a tangent along the width direction of upper edge portion 11 to a tangent along the width direction of lower edge portion 12. (2) When the upper edge 11 and the lower edge 12 are formed in a straight line extending along the width direction, the straight line length in the vertical direction from the upper edge 11 to the lower edge 12. (3) In the case where either one of the upper edge portion 11 or the lower edge portion 12 is formed in a straight line extending along the width direction, and the other of the upper edge portion 11 or the lower edge portion 12 is not formed in a straight line extending along the width direction, the straight line length in the vertical direction from either one of the upper edge portion 11 or the lower edge portion 12 to a tangent along the width direction of the other of the upper edge portion 11 or the lower edge portion 12.

[0033] As shown in Fig. 1, the width direction length L3 of the first panel portion 10A is preferably 110 mm or more, more preferably 120 mm or more, and even more preferably 130 mm or more, from the viewpoint of covering the temples of the wearer with the main body portion 10 when the eye mask 1 is worn. In addition, the width direction length L3 of the first panel portion 10A is preferably 160 mm or less, more preferably 155 mm or less, and even more preferably 150 mm or less, from the viewpoint of suppressing slackness of the main body portion 10 when the eye mask 1 is worn and improving the fit of the main body portion 10 to the wearer's eyes and / or the area around the eyes and temples. That is, the width direction length L3 of the first panel portion 10A is preferably 110 mm or more and 160 mm or less, more preferably 120 mm or more and 155 mm or less, and even more preferably 130 mm or more and 150 mm or less.

[0034] In this specification, the "length in the width direction of the first panel portion" refers to a length that falls within any one of the following (1) to (3). (1) As shown in FIG. 1, when side edge portion 13 is formed in an arc shape or the like, and is not formed in a straight line extending in the vertical direction, the straight line length in the width direction from vertical center line 14 to a tangent line in the vertical direction of side edge portion 13. (2) When the side edge 13 is formed in a straight line extending in the up-down direction, the straight line length along the width direction from the vertical center line 14 to the side edge 13. (3) When separate members such as ear hooks are attached to both widthwise ends of the main body 10, the straight-line length along the widthwise direction from the vertical center line 14 to the end of the separate member such as the ear hook on the heating element 20 side when the separate member such as the ear hook is unfolded.

[0035] It should be noted that the widthwise length of the second panel portion 10B has the same values ​​and definitions as those of the widthwise length of the first panel portion 10A, and therefore a description thereof will be omitted.

[0036] In order to increase the coverage area of ​​the main body 10 on the wearer's face and give the wearer a sense of immersion, the area of ​​the main body 10 is preferably 5% to 50% of the total area of ​​the heating element 20, more preferably 8% to 30%, and even more preferably 10% to 25%.

[0037] In this specification, the "area of ​​the main body portion" refers to the area of ​​the main body portion 10 in a plan view (see FIG. 1). Also, in this specification, the "total area of ​​the heating element" refers to the total area of ​​the heating element 20 in a plan view excluding a first sheet 21 and a second sheet 22 described below (i.e., the base layer 23, the water retention layer 24, and the heating layer 25) (see FIGS. 1 and 5).

[0038] Specifically, the area of ​​the main body 10 is set to 10,000 mm from the viewpoint of increasing the coverage area of ​​the main body 10 with respect to the wearer's face and giving the wearer a sense of immersion. 2 More than 50000mm 2 It is preferable that the length is less than 15,000 mm. 2 More than 40000mm 2 More preferably, it is 20,000 mm or less. 2 More than 35000mm 2 It is even more preferable that:

[0039] In order to increase the coverage area of ​​the main body portion 10 on the wearer's face and give the wearer a sense of immersion, the area of ​​the first panel portion 10A is preferably 5% to 50% of the area of ​​the heating element 20A provided on the first panel portion 10A described below, more preferably 8% to 30%, and even more preferably 10% to 25%.

[0040] In this specification, the "area of ​​the first panel portion" refers to the area of ​​the first panel portion 10A in a plan view (see FIG. 1). Also, the "area of ​​the heating element provided in the first panel portion" refers to the area of ​​the heating element 20A provided in the first panel portion 10A in a plan view excluding a first sheet 21 and a second sheet 22 (i.e., the base layer 23, the water retention layer 24, and the heating layer 25) (see FIGS. 1 and 5).

[0041] Specifically, the area of ​​the first panel portion 10A is set to 1500 mm2 in order to increase the coverage area of ​​the main body portion 10 relative to the wearer's face and give the wearer a sense of immersion. 2 More than 4000mm 2 It is preferable that the length is less than 1750 mm. 2 More than 3000mm 2 More preferably, it is 2000 mm or less. 2 More than 2750mm 2 It is even more preferable that:

[0042] It should be noted that the area of ​​the second panel portion 10B has the same values ​​and definitions as the area of ​​the first panel portion 10A, and therefore a description thereof will be omitted.

[0043] The main body 10 having the above configuration is configured to cover the wearer's eyes and / or the area around the eyes and temples when the eye mask 1 is worn. In this embodiment, the main body 10 is configured to cover the wearer's eyes, the area around the eyes, and the temples when the eye mask 1 is worn. Specifically, as shown in Fig. 8, the first panel portion 10A of the main body 10 is configured to cover one eye (e.g., the right eye), the area around the one eye, and the temple on the one eye side of the wearer, and the second panel portion 10B of the main body 10 is configured to cover the other eye (e.g., the left eye), the area around the other eye, and the temple on the other eye side of the wearer.

[0044] The main body 10 may be configured to cover only the eyes and temples of the wearer when the eye mask 1 is worn. The main body 10 may also be configured to have an opening in the area facing the wearer's eyes when the eye mask 1 is worn, and to cover only the areas around the eyes and temples of the wearer when the eye mask 1 is worn.

[0045] 1 to 3, the main body 10 according to this embodiment has an inner sheet 30 that is positioned on the wearer's skin side when the eye mask 1 is worn, and an outer sheet 40 that is positioned on the wearer's non-skin side when the eye mask 1 is worn. That is, the main body 10 is formed in a sheet shape as a whole.

[0046] The inner sheet 30 and the outer sheet 40 are joined together with the heating element 20 disposed between the inner sheet 30 and the outer sheet 40. The heating element 20 may be attached to the outer sheet 40 via an adhesive, or may be attached to the inner sheet 30 via an adhesive, or may be attached to both the outer sheet 40 and the inner sheet 30 via an adhesive, or may be disposed in a bag-shaped space in which the outer sheet 40 and the inner sheet 30 are joined together without using an adhesive. As the adhesive, a hot melt adhesive is preferably used, but is not limited thereto, and various known fixing means can be used. For example, adhesives other than hot melt type, sewing, heat fusion, embossing, etc. are possible, but are not limited thereto as long as they can be fixed.

[0047] In addition, the inner sheet 30 and the outer sheet 40 may be locally non-adhered to form an opening and a storage space between the inner sheet 30 and the outer sheet 40 through which the heating element 20 can be inserted and removed.

[0048] The width of the inner sheet 30 is shorter than the width of the outer sheet 40. Therefore, in this embodiment, the peripheral edge of the inner sheet 30 constitutes only a part of the upper edge 11 and a part of the lower edge 12 of the main body 10, and does not constitute the remaining parts of the upper edge 11, the remaining parts of the lower edge 12, or the side edge 13 of the main body 10. On the other hand, the peripheral edge of the outer sheet 40 constitutes the entire upper edge 11, the lower edge 12, and the side edge 13. In this embodiment, the nose insertion portion 15 of the main body 10 is provided on both the inner sheet 30 and the outer sheet 40, but the ear insertion portion 16 of the main body 10 is provided only on the outer sheet 40.

[0049] The width direction length of the inner sheet 30 is preferably 160 mm or more, more preferably 170 mm or more, and even more preferably 180 mm or more, from the viewpoint of preventing a decrease in the thermal effect on the temples due to the width direction length of the inner sheet 30 being too short, i.e., from the viewpoint of covering the wearer's temples with the inner sheet 30 when wearing the eye mask 1.

[0050] In this specification, the "length in the width direction of the inner sheet" refers to a length that falls under either (1) or (2) below. (1) In cases where both widthwise edges of the inner sheet 30 are formed in an arc shape, or in other cases where both widthwise edges of the inner sheet 30 are not formed in a straight line extending in the up-down direction, the straight line length along the width direction from a tangent along the up-down direction of one widthwise edge of the inner sheet 30 to a tangent along the up-down direction of the other widthwise edge of the inner sheet 30. (2) In a case where both widthwise edges of the inner sheet 30 are formed in straight lines extending in the up-down direction, the straight line length along the width direction from one widthwise edge of the inner sheet 30 to the other widthwise edge of the inner sheet 30.

[0051] In this embodiment, the width direction length of the inner sheet 30 is described as being shorter than the width direction length of the outer sheet 40, but this is not limited to this, and the width direction length of the inner sheet 30 and the width direction length of the outer sheet 40 may be formed to be the same length, or the width direction length of the inner sheet 30 may be formed to be longer than the width direction length of the outer sheet 40.

[0052] The thickness of the main body 10 is preferably 2.0 mm or more, more preferably 2.5 mm or more, and even more preferably 3.5 mm or more, from the viewpoint of improving the fit of the main body 10 to the wearer's eyes and / or the area around the eyes and temples. By improving the fit of the main body 10 to the wearer's eyes and / or the area around the eyes and temples, the heat generated from the heating element 20 is easily transmitted to the wearer's eyes and / or the area around the eyes and temples, and the thermal effect on the wearer's eyes and / or the area around the eyes and temples can be enhanced. In addition, the sense of immersion given to the wearer can be improved. In addition, the thickness of the main body 10 is preferably 30.0 mm or less, more preferably 20.0 mm or less, and even more preferably 15.0 mm or less, from the viewpoint of reducing the load of the main body 10 on the wearer's face and giving the wearer comfort. That is, the thickness of the main body 10 is preferably 2.0 mm or more and 30.0 mm or less, more preferably 2.5 mm or more and 20.0 mm or less, and even more preferably 3.5 mm or more and 15.0 mm or less.

[0053] In this specification, the "thickness of the main body part" refers to the thickness of the main body part 10 only, and does not include the thickness of the heating element 20. In addition, when the main body part 10 is composed of a single sheet as described below, the thickness of the main body part 10 is the thickness of the single sheet. On the other hand, when the main body part 10 is composed of multiple sheets, as in the main body part 10 according to this embodiment, the thickness of the main body part 10 is the total thickness of the multiple sheets.

[0054] The thickness of the inner sheet 30 is formed to be greater than the thickness of the outer sheet 40. In this way, the thickness of the inner sheet 30 located on the skin side of the wearer when the eye mask 1 is worn is large, so that a step corresponding to the thickness of the inner sheet 30 is formed when the eye mask 1 is worn, and the eye mask 1 follows the curved surface of the wearer's face, so that the fit of the main body 10 to the wearer's eyes and / or the area around the eyes and the temples can be improved. Therefore, the heat generated from the heating element 20 is easily transmitted to the wearer's eyes and / or the area around the eyes and the temples, and the thermal effect on the wearer's eyes and / or the area around the eyes and the temples can be enhanced. In addition, the fit of the main body 10 to the wearer's eyes and / or the area around the eyes and the temples can be improved, so that the sense of immersion given to the wearer can be improved.

[0055] Specifically, the thickness of the inner sheet 30 is preferably 1.0 mm or more, more preferably 1.2 mm or more, and even more preferably 2.0 mm or more, from the viewpoint of improving the fit of the main body 10 to the wearer's eyes and / or the area around the eyes and temples. As described above, by improving the fit of the main body 10 to the wearer's eyes and / or the area around the eyes and temples, the heat generated from the heating element 20 is easily transmitted to the wearer's eyes and / or the area around the eyes and temples, and the thermal effect on the wearer's eyes and / or the area around the eyes and temples can be enhanced. In addition, the sense of immersion given to the wearer can be improved. In addition, the thickness of the inner sheet 30 is preferably 20.0 mm or less, more preferably 15.0 mm or less, and even more preferably 12.0 mm or less, from the viewpoint of reducing the load of the main body 10 on the wearer's face and giving the wearer comfort. That is, the thickness of the inner sheet 30 is preferably 1.0 mm or more and 20.0 mm or less, more preferably 1.2 mm or more and 15.0 mm or less, and even more preferably 2.0 mm or more and 12.0 mm or less.

[0056] In addition, the thickness of the portion of the main body 10 of the eye mask 1 where the heating element 20 is arranged is preferably 2.5 mm or more, more preferably 4.0 mm or more, and even more preferably 5.5 mm or more, from the viewpoint of improving the fit of the main body 10 to the wearer's eyes and / or the area around the eyes and temples. By improving the fit of the main body 10 to the wearer's eyes and / or the area around the eyes and temples, the heat generated from the heating element 20 is easily transmitted to the wearer's eyes and / or the area around the eyes and temples, and the thermal effect on the wearer's eyes and / or the area around the eyes and temples can be enhanced. In addition, the sense of immersion given to the wearer can be improved. In addition, the thickness of the portion of the main body 10 of the eye mask 1 where the heating element 20 is arranged is preferably 32.0 mm or less, more preferably 22.0 mm or less, and even more preferably 17.0 mm or less, from the viewpoint of reducing the load of the main body 10 on the wearer's face and giving the wearer comfort. That is, the thickness of the portion of the main body 10 of the eye mask 1 where the heating element 20 is arranged is preferably 2.5 mm or more and 32.0 mm or less, more preferably 4.0 mm or more and 22.0 mm or less, and even more preferably 5.5 mm or more and 17.0 mm or less.

[0057] In this specification, the "thickness of the part of the main body of the eye mask where the heating element is arranged" refers to the total thickness of the main body 10 and the heating element 20. If the thickness of the heating element 20 varies depending on the part, the thickness of the thickest part shall be used.

[0058] The inner sheet 30 has air permeability. Since the inner sheet 30 has air permeability, the water vapor emitted from the heating element 20 can be supplied to the wearer's eyes and / or the area around the eyes, which is advantageous in that the wearer's eyes and / or the area around the eyes can be warmed. On the other hand, the outer sheet 40 has poor air permeability or no air permeability. Since the outer sheet 40 has poor air permeability or no air permeability, the water vapor emitted from the heating element 20 can be efficiently supplied to the wearer's eyes and / or the area around the eyes. The inner sheet 30 may have poor air permeability or no air permeability, or the outer sheet 40 may have air permeability. In addition, a part of the inner sheet 30 or the outer sheet 40 may be configured to have air permeability, poor air permeability, or no air permeability.

[0059] From the viewpoint of efficiently supplying water vapor to the wearer's eyes and / or the area around the eyes, the air permeability of the inner sheet 30 is preferably 150,000 sec / 100 mL or less, more preferably 50,000 sec / 100 mL or less, even more preferably 30,000 sec / 100 mL or less, and even more preferably 10,000 sec / 100 mL or less.

[0060] In this specification, "air permeability" refers to a value measured according to JIS P8117 (revised in 2009), and is the value at which 100 mL of air passes through a material at a constant pressure of 6.42 cm. 2 It is defined as the time it takes for air to pass through an area of ​​1000 mm. Therefore, a large air permeability value means that it takes a long time for air to pass through, i.e., air permeability is low. Conversely, a small air permeability value means that air permeability is high. Thus, the air permeability value and the air permeability show an inverse relationship. Air permeability can be measured with an Oken air permeability meter. In this specification, air permeability of less than 30,000 sec / 100 mL is defined as "air permeable", air permeability of 30,000 sec / 100 mL or more and less than 80,000 sec / 100 mL is defined as "poorly air permeable", and air permeability of 80,000 sec / 100 mL or more is defined as "non-air permeable".

[0061] The materials for the inner sheet 30 and the outer sheet 40 may be materials that have been conventionally used in the technical field of eye masks. For example, nonwoven fabric, fiber sheets such as woven fabric and paper, resin foam sheets, metal sheets, or combinations of these may be used. Among these, nonwoven fabric is preferable from the viewpoint of ease of processing and economic efficiency. The inner sheet 30 and the outer sheet 40 according to this embodiment are made of nonwoven fabric.

[0062] The fiber material of the nonwoven fabric is preferably composed of one or more fibers selected from, for example, polyester such as PET (polyethylene terephthalate), polyolefin such as PE (polyethylene), PP (polypropylene), and ethylene propylene copolymer, rayon, cotton, etc. The nonwoven fabric may be manufactured by the air-through method, spunbond method, needle punch method, meltblown method, card method, heat fusion method, hydroentanglement method, solvent adhesion method, etc. using fibers of one or more of the above materials, and may have a single layer or multilayer structure. The nonwoven fabric may be chemically treated depending on the purpose.

[0063] In addition, the inner sheet 30 and the outer sheet 40 may each have a single-layer structure consisting of only one sheet material, regardless of whether it is a single layer or a multi-layer, or may have a multi-layer structure in which two or more types of sheet materials are layered. Furthermore, the inner sheet 30 and the outer sheet 40 may be configured to be made of different materials. Specifically, the outer sheet 40, which is located on the non-skin side of the wearer when the eye mask 1 is worn, may be made of a material suitable for giving the eye mask 1 shape retention, or may be made of a material suitable for improving the texture and appearance of the outer surface. On the other hand, the inner sheet 30, which is located on the skin side of the wearer when the eye mask 1 is worn, may be made of a material that is suitable for providing a good feel on the skin. In addition, the inner sheet 30 and the outer sheet 40 may be colored in any color, or may have any pattern (design) applied thereto by printing or the like. With such a configuration, the texture and style are improved, and it is possible to make the eye mask 1 to suit the user's preferences.

[0064] In the present embodiment, the main body 10 has been described as having the inner sheet 30 and the outer sheet 40, but is not limited thereto. For example, the main body 10 may have only one of the inner sheet 30 and the outer sheet 40. That is, the main body 10 may be composed of one sheet, or may be composed of multiple sheets. The main body 10 may have another sheet between the inner sheet 30 and the heating element 20, or may have another sheet between the outer sheet 40 and the heating element 20. When the main body 10 is composed of one sheet, the heating element 20 may be bonded to the one sheet, or may be housed in a heating element housing portion formed in the one sheet.

[0065] The main body 10 having the above configuration is configured to be able to conduct heat from the heating element 20 to the temples of the wearer. Specifically, the main body 10 is configured to cover the eyes and / or the area around the eyes and the temples of the wearer when the eye mask 1 is worn, thereby conducting heat from the heating element 20 to the temples of the wearer. That is, in a state in which the eyes and / or the area around the eyes and the temples of the wearer are covered by the main body 10, first, the heat generated from the heating element 20 is conducted to the area of ​​the main body 10 facing the eyes and / or the area around the eyes of the wearer. Next, the heat conducted to the area of ​​the main body 10 facing the eyes and / or the area around the eyes of the wearer is conducted to the area of ​​the main body 10 facing the temples of the wearer. Finally, the heat conducted to the area of ​​the main body 10 facing the temples of the wearer is conducted to the temples of the wearer.

[0066] In particular, the body part 10 according to this embodiment has at least one of the above-mentioned configurations of the shape of the body part 10, the arrangement of the ear insertion part 16, the thickness of the body part 10, and the thickness of the inner sheet 30, thereby improving the fit of the body part 10 to the wearer's eyes and / or the area around the eyes and the temples. Therefore, the heat generated from the heating element 20 is easily transmitted to the wearer's eyes and / or the area around the eyes and the temples, and the thermal effect on the wearer's eyes and / or the area around the eyes and the temples can be improved.

[0067] Furthermore, in this embodiment, there is no folding line in the main body 10 for folding the ear insertion portion 16 inward in the width direction. That is, in this embodiment, the main body 10 does not have a folding line for folding the ear insertion portion 16 inward in the width direction, but the ear insertion portion 16 is formed at both ends in the width direction of the main body 10. This allows the eyemask 1 to fit closely to the shape of the wearer's face when worn, thereby further improving the fit of the eyemask 1 when worn.

[0068] [Heating element configuration] The heat generating elements 20 are provided on the first panel portion 10A and the second panel portion 10B so as to be symmetrical with respect to the vertical center line 14. As shown in Figs. 1 to 3, in this embodiment, one heat generating element 20 is provided on each of the first panel portion 10A and the second panel portion 10B.

[0069] Two heating elements 20 may be provided on each of the first panel portion 10A and the second panel portion 10B, or one heating element 20 may be provided on the entire main body portion 10. When a plurality of heating elements 20 are provided on the main body portion 10, the heating characteristics of the plurality of heating elements 20, which will be described later, may be the same or different, but it is more preferable that they are the same.

[0070] In the following description, the heating element 20 provided on the first panel portion 10A will be referred to as "heating element 20A," the heating element 20 provided on the second panel portion 10B will be referred to as "heating element 20B," and heating element 20A and heating element 20B will be collectively referred to as "heating element 20."

[0071] The planar shape of the heating element 20A and the heating element 20B is not particularly limited, and may be, for example, a circle, a polygon, or the like. However, from the viewpoints of manufacturing efficiency, ease of handling, and thermal effect, the planar shape of the heating element 20A and the heating element 20B is preferably a quadrangle such as a rectangle, an approximately rectangular shape, a square, or an approximately square shape, and from the viewpoint of ease of handling, a square or an approximately square shape is more preferable. As shown in Figs. 1, 2, and 5, the heating element 20A and the heating element 20B according to this embodiment each have a square shape.

[0072] 1, the distance D3 between the end of the ear insertion portion 16 on the first panel portion 10A opposite to the side where the vertical center line 14 is located and the end of the heating element 20A on the ear insertion portion 16 side is preferably 20 mm or more, more preferably 30 mm or more, and even more preferably 40 mm or more, from the viewpoint of improving the fit of the main body portion 10 to the wearer's eyes and / or the area around the eyes and the temples, as shown in FIG. 1. The distance D3 between the end of the ear insertion portion 16 on the first panel portion 10A opposite to the side where the vertical center line 14 is located and the end of the heating element 20A on the ear insertion portion 16 side is preferably 70 mm or less, more preferably 65 mm or less, and even more preferably 60 mm or less, from the viewpoint of improving the thermal effect on the wearer's eyes and / or the area around the eyes and the temples. In other words, the distance D3 between the end opposite the side on which the vertical center line 14 of the ear insertion portion 16 provided on the first panel portion 10A is located and the end of the heating element 20A provided on the first panel portion 10A on the ear insertion portion 16 side is preferably 20 mm or more and 70 mm or less, more preferably 30 mm or more and 65 mm or less, and even more preferably 40 mm or more and 60 mm or less.

[0073] In this specification, "the distance between the end opposite the side on which the vertical center line of the ear insertion portion of the first panel portion is located and the end of the heating element on the ear insertion portion side" refers to the straight-line distance along the width from the end opposite the side on which the vertical center line 14 of the ear insertion portion 16 of the first panel portion 10A is located to the end of the heating element 20A on the ear insertion portion 16 side, as shown in Figure 1.

[0074] With regard to the distance between the end opposite the side on which the vertical center line 14 of the ear insertion portion 16 provided on the second panel portion 10B is located, and the end on the ear insertion portion 16 side of the heating element 20B provided on the second panel portion 10B, the same numerical values ​​and definitions apply as for "the distance between the end opposite the side on which the vertical center line 14 of the ear insertion portion 16 provided on the first panel portion 10A is located, and the end on the ear insertion portion 16 side of the heating element 20A provided on the first panel portion 10A", and therefore no explanation will be given here.

[0075] As shown in FIG. 1, the distance D4 between the vertical center line 14 and the end portion of the heating element 20A provided in the first panel portion 10A on the vertical center line 14 side is preferably 2 mm or more and 40 mm or less, more preferably 5 mm or more and 35 mm or less, and even more preferably 8 mm or more and 30 mm or less, from the viewpoint of positioning the heating element 20A at the wearer's eyes and / or around the eyes when the eye mask 1 is worn.

[0076] In this specification, "the distance between the vertical center line and the end portion of the heating element provided in the first panel portion on the vertical center line side" refers to the distance along the width direction from the vertical center line 14 to the end portion of the heating element 20A provided in the first panel portion 10A on the vertical center line 14 side, as shown in Figure 1.

[0077] With regard to the distance between the vertical center line 14 and the end portion of the heating element 20B on the vertical center line 14 side thereof provided in the second panel portion 10B, the same numerical values ​​and definitions apply as those for "the distance between the vertical center line 14 and the end portion of the heating element 20A on the vertical center line 14 side thereof provided in the first panel portion 10A," and therefore no explanation is given here.

[0078] The heating element 20 having the above-mentioned configuration is disposed in the main body 10 so as to directly or indirectly face the wearer's eyes and / or the area around the eyes when the eye mask 1 is worn.

[0079] In this specification, "indirectly facing the wearer's eyes and / or the area around the eyes" means that the heating element 20 faces the wearer's eyes and / or the area around the eyes via the sheet that constitutes the main body 10.

[0080] In this embodiment, the heating element 20 is provided between the inner sheet 30 and the outer sheet 40, and is configured to face the wearer's eyes and the areas surrounding the eyes via the inner sheet 30 when the eye mask 1 is worn. In other words, the heating element 20 is disposed in the main body 10 so as to indirectly face the wearer's eyes and the areas surrounding the eyes when the eye mask 1 is worn.

[0081] The heating element 20 may be arranged on the main body 10 so as to indirectly face the wearer's eyes or the area around the eyes, or may be arranged on the main body 10 so as to directly face the wearer's eyes and / or the area around the eyes. When the heating element 20 is arranged on the main body 10 so as to directly or indirectly face the area around the wearer's eyes, the area of ​​the heating element 20 facing the wearer's eyes is open.

[0082] [Heat generation characteristics of heating element] The heating element 20 is configured to generate heat by reacting with oxygen in the air. In this embodiment, the heating element 20 is configured to generate heat by reacting with oxygen in the air, generate water vapor, and supply the heated water vapor to the wearer's eyes and / or the area around the eyes. That is, the heating element 20 according to this embodiment is configured to generate hot steam by an oxidation reaction of an oxidizable metal. Note that an example of a configuration in which the heating element 20 only generates heat, that is, a configuration in which the heating element 20 does not generate water vapor, is a configuration in which the heating element 20 does not include a water retention layer 24 described later.

[0083] Examples of the form of the heating element 20 that can be used include a powder mixture (see, for example, JP 2004-16753 A (JP Application No. 2002-180501)), a sheet such as a paper-formed sheet (see, for example, JP 2005-058744 A (JP Application No. 2004-31360)), or a coated sheet in which a dispersion or the like is applied to a substrate (see, for example, JP 2013-146555 A (JP Application No. 2012-279804)). The heating element 20 preferably contains an oxidizable metal, a carbon component, and water.

[0084] The oxidizable metal is a metal that generates heat of oxidation reaction, and examples thereof include powders or fibers of one or more types selected from iron, aluminum, zinc, manganese, magnesium, and calcium. Among them, iron is preferred from the viewpoints of handling, safety, production cost, storage property, and stability, and iron powder is particularly preferred. Examples of iron powder include reduced iron powder and atomized iron powder. The particle size of the oxidizable metal particles can be, for example, about 0.1 μm or more and 300 μm or less.

[0085] The carbon component has at least one of the functions of water retention, oxygen supply, and catalytic activity, and preferably has all three of these functions. As the carbon component, for example, one or more types selected from activated carbon, acetylene black, and graphite can be used. Among these, activated carbon is more preferably used from the viewpoints of easily absorbing oxygen when wet and of keeping the moisture in the heating element 20 constant.

[0086] The heating element 20 further contains a water-retaining material, and there is no particular limitation on the type of water-retaining material as long as it can retain water, but it is preferable that the water-retaining material has excellent vapor dissipation properties. Examples of the water-retaining material include one or more types selected from water-absorbent powders such as carbon components, fibrous materials, superabsorbent polymers (SAP), starch, zeolite, perlite, and vermiculite. An appropriate water-absorbing agent is used depending on the form of the heating element 20.

[0087] Here, the detailed structure of the heating element 20 will be described with reference to Figures 5 and 6. As shown in Figures 5 and 6, the heating element 20 has a first sheet 21 that is located on the skin side of the wearer when the eye mask 1 is worn, a second sheet 22 that is located on the non-skin side of the wearer when the eye mask 1 is worn, a base layer 23 provided between the first sheet 21 and the second sheet 22, a water retention layer 24 provided between the first sheet 21 and the base layer 23, and a heating layer 25 provided between the base layer 23 and the water retention layer 24, and is formed into a sheet-like shape having a laminated structure as a whole.

[0088] When the heating element 20 is provided in the main body 10, the first sheet 21 is configured to face the inner sheet 30 of the main body 10, and the second sheet 22 is configured to face the outer sheet 40 of the main body 10. The first sheet 21 and the second sheet 22 are joined to each other at their peripheries, and are formed into a bag shape having an internal space as a whole. That is, in this embodiment, the base layer 23, the water retention layer 24, and the heating layer 25 are contained in the internal space formed between the first sheet 21 and the second sheet 22. In this way, the first sheet 21 and the second sheet 22 are formed into a bag shape having an internal space, which has the advantage that the amount of heat and water vapor can be appropriately adjusted.

[0089] The first sheet 21 has air permeability. Since the first sheet 21 has air permeability, water vapor released from the water retaining layer 24 can be supplied to the wearer's eyes and / or the area around the eyes, which is advantageous in that the wearer's eyes and / or the area around the eyes can be warmed. On the other hand, the second sheet 22 has poor air permeability or non-air permeability. Since the second sheet 22 has poor air permeability or non-air permeability, it has an advantage in that water vapor released from the water retaining layer 24 can be efficiently supplied to the wearer's eyes and / or the area around the eyes. Note that the first sheet 21 may have poor air permeability or non-air permeability, and the second sheet 22 may have air permeability. Also, a part of the first sheet 21 or the second sheet 22 may have air permeability, poor air permeability, or non-air permeability.

[0090] From the viewpoint of providing comfort to the wearer, the maximum temperature of the heating element 20 is preferably 54°C or more, more preferably 58°C or more, and even more preferably 62°C or more. From the viewpoint of preventing the wearer from feeling uncomfortable, the maximum temperature of the heating element 20 is preferably 72°C or less, more preferably 70°C or less, and even more preferably 68°C or less. That is, the maximum temperature of the heating element 20 is preferably 54°C or more and 72°C or less, more preferably 58°C or more and 70°C or less, and even more preferably 62°C or more and 68°C or less. The maximum temperature of the heating element 20 can be measured using a measuring device conforming to JIS S4100, for example. Specifically, the measuring surface of a measuring device conforming to JIS S4100 is attached to the area of ​​the outer sheet 40 where the heating element 20 is located, and the heating element 20 is caused to start generating heat in the presence of oxygen, and the maximum temperature (°C) reached thereafter can be measured as the maximum temperature of the heating element 20.

[0091] From the viewpoint of providing comfort to the wearer, the heat generating element 20 preferably has a heat generating time (45°C or higher heat generating duration) of 15 minutes or more, more preferably 20 minutes or more, and even more preferably 25 minutes or more. The 45°C or higher heat generating duration can also be measured using a measuring device conforming to JIS S4100. Specifically, the measuring surface of a measuring device conforming to JIS S4100 is attached to the area of ​​the outer sheet 40 where the heat generating element 20 is located, the heat generating element 20 starts to generate heat in the presence of oxygen, and the duration from when the temperature reaches 45°C or higher until it drops to below 45°C can be measured as the 45°C or higher heat generating duration.

[0092] The total cumulative amount of water vapor generated by the heating element 20 from the start of water vapor generation is preferably 140 mg or more, more preferably 300 mg or more, even more preferably 1000 mg or more, and even more preferably 1600 mg or more, from the viewpoint of supplying sufficient water vapor to the wearer's eyes and / or the surroundings of the eyes. In addition, the total cumulative amount of water vapor generated by the heating element 20 from the start of water vapor generation is preferably 2400 mg or less, more preferably 2200 mg or less, even more preferably 2000 mg or less, and even more preferably 1800 mg or less, from the viewpoint of maintaining a comfortable temperature. Note that the "cumulative amount of water vapor generated from the start of water vapor generation for 10 minutes" refers to the total amount (total) of all the heating elements 20 provided in the main body 10.

[0093] That is, in this embodiment, the cumulative amount of water vapor generated from the start of water vapor generation in the heat generating element 20A and the heat generating element 20B for 10 minutes is preferably 70 mg or more per cell, preferably 150 mg or more, more preferably 500 mg or more, and even more preferably 800 mg or more. Also, the cumulative amount of water vapor generated from the start of water vapor generation in the heat generating element 20A and the heat generating element 20B for 10 minutes is preferably 1200 mg or less per cell, more preferably 1100 mg or less, even more preferably 1000 mg or less, and even more preferably 900 mg or less. With such a configuration, the amount of water vapor released from the heat generating element 20A and the heat generating element 20B can be adjusted, and the water vapor released from the heat generating element 20A and the heat generating element 20B does not become too hot, which is advantageous in that it provides comfort to the wearer.

[0094] [Method for measuring water vapor generation rate] In this specification, "steam is generated" means that the total amount of water vapor generated from one cell of the heating element 20 (in this embodiment, the heating element 20A or the heating element 20B) in 10 minutes measured by the following method is 10 mg / 10 minutes or more. This amount of water vapor generation can be easily achieved by using, for example, a paste-like material containing an oxidizable metal, a carbon material, and water as the heating element 20. Here, the cumulative amount of water vapor generated that is released from the start of water vapor generation of the heating element 20 in 10 minutes is a value measured as follows using a measuring device 50 shown in FIG. 7. In the following description, the target is an unheated heating element 20 that is sealed in an oxygen-blocking bag or the like, and the time required from the start of opening the oxygen-blocking bag to exposing the heating element 20 to an oxygen-containing atmosphere such as air and placing it in the measuring device 50 shown in FIG. 7 from the start of opening is defined as the "start of heat generation". The measuring device 50 shown in Fig. 7 includes an aluminum measuring chamber (volume 4.2 L) 51, an inflow passage 52 for introducing dehumidified air (humidity less than 2%, flow rate 2.1 L / min) into the lower part of the measuring chamber 51, an outflow passage 53 for discharging air from the upper part of the measuring chamber 51, an inlet thermo-hygrometer 54 and an inlet flowmeter 55 provided in the inflow passage 52, an outlet thermo-hygrometer 56 and an outlet flowmeter 57 provided in the outflow passage 53, and a thermometer (thermistor) 58 provided in the measuring chamber 51. The thermometer 58 has a temperature resolution of about 0.01°C. In this specification, the amount of steam generated refers to the total amount measured from the "start of heat generation" of the heating element 20 until 10 minutes later.

[0095] The heating element 20 may contain, for example, fragrance ingredients described in "Synthetic Fragrance Chemistry and Product Knowledge" (by Genichi Indo, Chemical Daily Co.) within the scope that does not impair the effects of the present invention. Specific examples of the aromatic hydrocarbons include terpene hydrocarbons such as myrcene, farnesene, pinene, limonene, camphene, phellandrene, terpinene, terpinolene, p-cymene, cedrene, and caryophyllene; aldehydes such as hexylcinnamic aldehyde, 2-methyl-3-(4-tert-butylphenyl)-propanal, 4-(4-hydroxy-4-methylpentyl)-3-cyclohexene-1-carboxaldehyde, and vanillin; aromatic alcohols such as benzyl alcohol, phenylethyl alcohol, pamplefleur (2-methyl-4-phenylpentanol), dimethylbenzyl carbinol, and phenylhexanol (3-methyl-5-phenylpentanol); phenols such as anethole and eugenol; and lactones such as γ-nonalactone and γ-undecalactone.

[0096] [How to use the eye mask] Next, a description will be given of a method of using the eye mask 1 according to this embodiment. Before use, the eye mask 1 according to this embodiment is stored in an oxygen blocking bag (not shown).

[0097] When using the eye mask 1, first, the wearer opens the oxygen barrier bag and takes out the eye mask 1. This brings the heating element 20 into contact with air, and the heating element 20 starts to generate heat due to an oxidation reaction of the oxidizable metal contained in the heating element 20.

[0098] After removing the eye mask 1 from the oxygen barrier bag, the wearer, for example, grasps the vicinity of the side edge 13 of the first panel portion 10A, inserts his / her right ear into the ear insertion portion 16 of the first panel portion 10A, and hooks the vicinity of the side edge 13 of the first panel portion 10A around his / her right ear. Next, while the vicinity of the side edge 13 of the first panel portion 10A is hooked around his / her right ear, he / she grasps the vicinity of the side edge 13 of the second panel portion 10B (see FIG. 8(a)), inserts his / her left ear into the ear insertion portion 16 of the second panel portion 10B, and hooks the vicinity of the side edge 13 of the second panel portion 10B around his / her left ear (see FIG. 8(b)). As a result, the wearer's eyes, the area around the eyes, and temples are covered by the main body portion 10.

[0099] When the wearer's eyes, the area around the eyes, and the temples are covered by the main body 10, the heat generating layer 25 of the heat generating element 20 generates heat, causing the water in the water retaining layer 24 of the heat generating element 20 to evaporate into water vapor (hot steam) at a predetermined temperature, which is then supplied to the wearer's eyes and the area around the eyes via the first sheet 21 and the inner sheet 30. In addition, the heat generated by the heat generating element 20 is conducted to the area of ​​the main body 10 facing the wearer's eyes and the area around the eyes, and the heat conducted to the area of ​​the main body 10 facing the wearer's eyes and the area around the eyes is conducted to the wearer's eyes and the area around the eyes. This warms the wearer's eyes and the area around the eyes, providing comfort to the wearer.

[0100] In addition, since the main body 10 according to this embodiment covers the temples of the wearer, the heat conducted to the area of ​​the main body 10 facing the eyes and the area around the eyes of the wearer is conducted to the area of ​​the main body 10 facing the temples of the wearer, and the heat conducted to the area of ​​the main body 10 facing the temples of the wearer is conducted to the temples of the wearer. Therefore, the temples of the wearer can be warmed, and the comfort given to the wearer can be improved.

[0101] [Advantages of the eye mask according to this embodiment] Thus, the eye mask 1 of this embodiment comprises a main body portion 10 that covers the wearer's eyes and / or the area around the eyes and temples when worn, a pair of ear attachment portions that can be attached to the wearer's ears, and a heating element 20 provided on the main body portion 10, the heating element 20 being positioned on the main body portion 10 so as to directly or indirectly face the wearer's eyes and / or the area around the eyes when worn, and the main body portion 10 being configured to be able to conduct heat from the heating element 20 to the wearer's temples.

[0102] According to the eye mask 1 having such a configuration, the heat generated from the heating element 20 is conducted to the area of ​​the main body 10 facing the wearer's eyes and / or the area around the eyes, and the heat conducted to the area of ​​the main body 10 facing the wearer's eyes and / or the area around the eyes is conducted to the wearer's eyes and / or the area around the eyes. Therefore, the wearer's eyes and / or the area around the eyes can be warmed, and the wearer can be given comfort. In addition, the heat conducted to the area of ​​the main body 10 facing the wearer's eyes and / or the area around the eyes is conducted to the area of ​​the main body 10 facing the wearer's temples, and the heat conducted to the area of ​​the main body 10 facing the wearer's temples is conducted to the wearer's temples. Therefore, the wearer's temples can be warmed, and the comfort given to the wearer can be improved.

[0103] Furthermore, since the main body 10 covers the wearer's eyes and / or the area around the eyes and temples when worn, the coverage area of ​​the main body 10 with respect to the wearer's face is increased, giving the wearer a sense of immersion. In this way, the eye mask 1 according to this embodiment can improve the comfort of the wearer while giving the wearer a sense of immersion, so that the wearer can obtain a high relaxation effect.

[0104] In the eye mask 1 according to this embodiment, the main body 10 has an inner sheet 30 that is positioned on the wearer's skin side when worn, and an outer sheet 40 that is positioned on the non-skin side when worn, and the heating element 20 is provided between the inner sheet 30 and the outer sheet 40. With the eye mask 1 having such a configuration, the heating element 20 can be stably held.

[0105] Furthermore, in the eye mask 1 according to this embodiment, the main body 10 has a vertical center line 14 that divides the main body 10 in the width direction, a first panel 10A that constitutes one side of the width direction with the vertical center line 14 as a boundary, and a second panel 10B that constitutes the other side of the width direction with the vertical center line 14 as a boundary, and the heating element 20 is provided in each of the first panel 10A and the second panel 10B. According to the eye mask 1 having such a configuration, since the heating element 20 is not located between the eyebrows and on the nose of the wearer, the fit of the main body 10 to the wearer's eyes and / or the area around the eyes and the temples can be improved. Therefore, the heat generated from the heating element 20 is easily transmitted to the wearer's eyes and / or the area around the eyes and the temples, and the thermal effect on the wearer's eyes and / or the area around the eyes and the temples can be enhanced. In addition, the fit of the main body 10 to the wearer's eyes and / or the area around the eyes and the temples can be improved, thereby improving the sense of immersion given to the wearer.

[0106] [Variations] The eye mask according to the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the technical concept of the present invention.

[0107] For example, in the above-described embodiment, the entire eye mask 1 is described as being sealed in an oxygen-blocking bag (not shown) before use of the eye mask 1, but this is not limited to this. If the heating element 20 is not integrated with the main body portion 10 (if it can be retrofitted to the main body portion 10), only the heating element 20 may be sealed in the oxygen-blocking bag, and the heating element 20 may be attached to the main body portion 10 when the eye mask 1 is used.

[0108] In the above embodiment, the main body 10 has been described as having the nose insertion portion 15, but the present invention is not limited to this, and the main body 10 may have a configuration without the nose insertion portion 15.

[0109] Furthermore, in the above embodiment, the heating element 20 has been described as having the water retaining layer 24, but the present invention is not limited to this, and the heating element 20 may have a configuration without the water retaining layer 24.

[0110] In addition, in the above-described embodiment, the heating element 20 is described as generating hot steam through an oxidation reaction of an oxidizable metal, but this is not limited to this, and various optional configurations can be adopted, such as a configuration in which a filter that retains moisture can be humidified by heating in a microwave oven or the like before use.

[0111] It is apparent from the claims that the above-mentioned modifications are included within the scope of the present invention.

[0112] In relation to the above-mentioned embodiment, the present invention further discloses the following eye mask.

[0113] <1> A main body portion that covers the wearer's eyes and / or the area around the eyes and temples when worn; A pair of ear attachment parts that can be attached to the ears of a wearer; A heating element provided in the main body portion; Equipped with The heating element is disposed on the main body portion so as to directly or indirectly face the wearer's eyes and / or the vicinity of the eyes when the mask is worn; The main body is configured to be capable of conducting heat from the heating element to the temples of a wearer. Eye mask.

[0114] <2> The ear attachment portion is an ear insertion portion that can be inserted into the wearer's ear and is provided on the main body portion, The distance between the end of one ear insertion portion on the heating element side and the end of the other ear insertion portion on the heating element side is 150 mm or more and 300 mm or less, preferably 185 mm or more and 280 mm or less, and more preferably 200 mm or more and 255 mm or less. The above <1> 2. An eye mask as described in <3> The thickness of the main body is 2 mm or more and 30 mm or less, preferably 2.5 mm or more and 20 mm or less, and more preferably 3.5 mm or more and 15 mm or less. The above <1> or <2> 2. An eye mask as described in <4> The main body portion has an inner sheet that is positioned against the wearer's skin when worn, and an outer sheet that is positioned against the wearer's skin when worn, The heating element is provided between the inner sheet and the outer sheet. The above <1> ~ <3> 13. The eye mask according to any one of claims 1 to 12. <5> The thickness of the inner sheet is from 1 mm to 20 mm, preferably from 1.2 mm to 15 mm, and more preferably from 2 mm to 12 mm. The above <4> 13. The eye mask according to any one of claims 1 to 12.

[0115] <6> The thickness of the inner sheet is greater than the thickness of the outer sheet. The above <4> or <5> 2. An eye mask as described in <7> The width of the inner sheet is shorter than the width of the outer sheet. The above <4> ~ <6> 13. The eye mask according to any one of claims 1 to 12. <8> The length of the inner sheet in the width direction is 160 mm or more, preferably 170 mm or more, and more preferably 180 mm or more. The above <4> ~ <7> 13. The eye mask according to any one of claims 1 to 12. <9> The inner sheet has breathability, The outer sheet is poorly breathable or non-breathable. The above <4> ~ <8> 13. The eye mask according to any one of claims 1 to 12.

[0116] <10> The air permeability of the inner sheet is 150,000 sec / 100 mL or less, preferably 50,000 sec / 100 mL or less, more preferably 30,000 sec / 100 mL or less, and even more preferably 10,000 sec / 100 mL or less. The above <9> 2. An eye mask as described in <11> The main body portion is A vertical center line that divides the main body in half in a width direction; A first panel portion that constitutes one side in the width direction with respect to the vertical center line; a second panel portion constituting the other side in the width direction with respect to the vertical center line; It has The heating elements are provided on the first panel portion and the second panel portion, respectively. The above <1> ~ <10> 13. The eye mask according to any one of claims 1 to 12. <12> the ear attachment portion is an ear insertion portion into which the wearer's ear can be inserted, the ear attachment portion being provided on the first panel portion and the second panel portion, a distance between an end of the ear insertion portion of the first panel portion opposite to the side on which the vertical center line is located and an end of the heating element of the first panel portion facing the ear insertion portion is 20 mm or more and 70 mm or less, preferably 30 mm or more and 65 mm or less, and more preferably 40 mm or more and 60 mm or less, The distance between the end of the ear insertion portion of the second panel portion opposite to the side where the longitudinal center line is located and the end of the heating element of the second panel portion facing the ear insertion portion is 20 mm or more and 70 mm or less, preferably 30 mm or more and 65 mm or less, and more preferably 40 mm or more and 60 mm or less. The above <11> 2. An eye mask as described in <13> the ear attachment portion is an ear insertion portion into which the wearer's ear can be inserted, the ear attachment portion being provided on the first panel portion and the second panel portion, The distance between the longitudinal center line and the end of the ear insertion portion on the heating element side is 75 mm or more and 150 mm or less, preferably 92.5 mm or more and 140 mm or less, and more preferably 100 mm or more and 127 mm or less. The above <11> or <12> 2. An eye mask as described in

[0117] <14> a distance between the vertical center line and an end of the heating element provided in the first panel portion on the vertical center line side is 2 mm or more and 40 mm or less, preferably 5 mm or more and 35 mm or less, and more preferably 8 mm or more and 30 mm or less; The distance between the vertical center line and the end of the heating element provided in the second panel portion on the vertical center line side is 2 mm to 40 mm, preferably 5 mm to 35 mm, and more preferably 8 mm to 30 mm. The above <11> ~ <13> 13. The eye mask according to any one of claims 1 to 12. <15> the area of ​​the first panel portion is 5% to 50% of the area of ​​the heating element provided on the first panel portion, preferably 8% to 30% and more preferably 10% to 25%; The area of ​​the second panel portion is 5% to 50% of the area of ​​the heating element provided on the second panel portion, preferably 8% to 30%, and more preferably 10% to 25%. The above <11> ~ <14> 13. The eye mask according to any one of claims 1 to 12. <16> The area of ​​the first panel portion is 1500 mm 2 More than 4000mm 2 Less than 1750mm 2 More than 3000mm 2 It is preferable that the length is less than 2000 mm. 2 More than 2750mm 2 More preferably, The area of ​​the second panel portion is 1500 mm 2 More than 4000mm 2 Less than 1750mm 2 More than 3000mm 2 It is preferable that the length is less than 2000 mm. 2 More than 2750mm 2 It is more preferable that The above <11> ~ <15> 13. The eye mask according to any one of claims 1 to 12. <17> The length in the width direction of the first panel portion is 110 mm or more and 160 mm or less, preferably 120 mm or more and 155 mm or less, and more preferably 130 mm or more and 150 mm or less, The length in the width direction of the second panel portion is 110 mm or more and 160 mm or less, preferably 120 mm or more and 155 mm or less, and more preferably 130 mm or more and 150 mm or less. The above <11> ~ <16> 13. The eye mask according to any one of claims 1 to 12.

[0118] <18> The main body portion conducts heat from the heating element to a region of the main body portion facing the eyes and / or the area around the eyes of the wearer, conducts the heat conducted to the region of the main body portion facing the eyes and / or the area around the eyes of the wearer to a region of the main body portion facing the temples of the wearer, and conducts the heat conducted to the region of the main body portion facing the temples of the wearer to the temples of the wearer. The above <1> ~ <17> 13. The eye mask according to any one of claims 1 to 12. <19> The main body portion is configured to cover the wearer's eyes, the areas around the eyes, and the temples when worn. The above <1> ~ <18> 13. The eye mask according to any one of claims 1 to 12. <20> The heating element is disposed on the main body portion so as to indirectly face the wearer's eyes and the area around the eyes when the garment is worn. The above <1> ~ <19> 13. The eye mask according to any one of claims 1 to 12. <21> The main body is formed in a rectangular shape that is elongated in the width direction. The above <1> ~ <20> 13. The eye mask according to any one of claims 1 to 12.

[0119] <22> The ear attachment portion is an ear insertion portion into which the wearer's ear can be inserted, and is formed directly on the main body portion. The above <1> ~ <21> 13. The eye mask according to any one of claims 1 to 12. <23> the main body portion has a nose insertion portion through which the wearer's nose can be inserted, The nose insertion portion is formed on a vertical center line that divides the main body portion in the width direction. The above <1> ~ <22> 13. The eye mask according to any one of claims 1 to 12. <24> The area of ​​the main body is 5% to 50% of the total area of ​​the heating element, preferably 8% to 30%, and more preferably 10% to 25%. The above <1> ~ <23> 13. The eye mask according to any one of claims 1 to 12. <25> The area of ​​the main body is 10,000 mm 2 More than 50000mm 2 Less than 15000mm 2 More than 40000mm 2 It is preferable that the length is less than 20,000 mm. 2 More than 35000mm 2 It is more preferable that The above <1> ~ <24> 13. The eye mask according to any one of claims 1 to 12.

[0120] <26> The length in the width direction of the main body is 220 mm or more and 360 mm or less, preferably 240 mm or more and 340 mm or less, and more preferably 260 mm or more and 320 mm or less. The above <1> ~ <25> 13. The eye mask according to any one of claims 1 to 12. <27> The length of the main body in the vertical direction is 80 mm or more and 130 mm or less, preferably 85 mm or more and 110 mm or less, and more preferably 90 mm or more and 105 mm or less. The above <1> ~ <26> 13. The eye mask according to any one of claims 1 to 12. <28> The main body does not have a folding line for folding the ear mounting part inward in the width direction. The above <1> ~ <27> 13. The eye mask according to any one of claims 1 to 12. <29> The thickness of the portion of the main body where the heating element is disposed is 2.5 mm or more and 32.0 mm or less, preferably 4.0 mm or more and 22.0 mm or less, and more preferably 5.5 mm or more and 17.0 mm or less. The above <1> ~ <28> 13. The eye mask according to any one of claims 1 to 12. <30> The planar shape of the heating element is rectangular. The above <1> ~ <29> 13. The eye mask according to any one of claims 1 to 12. EXAMPLES

[0121] The present invention will be described in detail below with reference to examples, but the object of the present invention is not limited thereto.

[0122] [Example 1] The eye mask of Example 1 was produced according to the following procedure.

[0123] [Preparation of heating element] First, salt as an electrolyte and a thickener (Labor Gum GS-C: manufactured by DSP Gokyo Food & Chemical Co., Ltd.) were dissolved in water (tap water) to prepare an aqueous solution, and iron powder (reduced iron powder: manufactured by DOWA IP Creation Co., Ltd.) was added as an oxidizable metal and stirred. Activated carbon (Carborafine: manufactured by Osaka Gas Chemical Co., Ltd.) was further added as a reaction promoter and stirred thoroughly until uniformly dispersed to obtain a paste-like exothermic composition. As salt, sodium chloride (Japanese Pharmacopoeia sodium chloride: manufactured by Tomita Pharmaceutical Co., Ltd.), tripotassium phosphate (food additive tripotassium phosphate: manufactured by Yoneyama Chemical Co., Ltd.), and potassium hydroxide (liquid caustic potash (48%): manufactured by Asahi Glass Co., Ltd.) were used. The blending ratio of these was 55.2% iron powder, 34.2% water, 4.4% activated carbon, 0.1% thickener (xanthan gum), 1.0% tripotassium phosphate, 0.1% potassium hydroxide, and 5.0% sodium chloride.

[0124] Then, the above-mentioned paste-like heat generating composition was applied to a polyethylene-laminated tissue paper with a basis weight of 745 g / m 2Then, a wood pulp paper (basis weight 20 g / m2) was applied onto the heat generating composition. 2 , manufactured by Ino Paper Co., Ltd.) and water-absorbent polymer (spherical, average particle size 300 μm, AQUALIC CA, manufactured by Nippon Shokubai Co., Ltd., basis weight 70 g / m 2 ) and wood pulp paper (basis weight 30 g / m 2 A laminate of a base material layer 23, a heat generating layer 25, and a water retention layer 24 was obtained by laminating and integrating a polymer sheet (having an air permeability of 2 seconds / 100 mL when absorbing 10 to 45% by mass of the maximum water absorption amount) made of a first sheet 21 and a second sheet 22 made of a material other than the base material layer 23 and a water retention layer 24. The laminate (base material layer 23, heat generating layer 25, and water retention layer 24) was cut to a size of 49 mm x 49 mm. Next, the laminate (base material layer 23, heat generating layer 25, and water retention layer 24) was sandwiched between an air-permeable first sheet 21 and an air-impermeable second sheet 22 cut to a size of 63 mm x 63 mm, and the four sides of these sheets were heat-sealed to obtain a heat generating element 20 in which the base material layer 23, heat generating layer 25, and water retention layer 24 were accommodated in a bag made of the first sheet 21 and the second sheet 22.

[0125] [Making eye masks] First, the inner sheet 30 and the outer sheet 40 were prepared in the shapes shown in Figures 1 and 2. The inner sheet 30 was made of a nonwoven fabric made of polypropylene and polyethylene (spunlace method, basis weight 60 g / m 2 ) is used, and the outer sheet 40 is a nonwoven fabric made of polyethylene and polyethylene terephthalate (air-through method, basis weight 30 g / m 2 The inner sheet 30 and the outer sheet 40 were produced in an oxygen atmosphere.

[0126] Next, the heating element 20 prepared as described above was sandwiched between the inner sheet 30 and the outer sheet 40, and the peripheral portions and the vicinity of the vertical center line 14 of the inner sheet 30 and the outer sheet 40 were joined to prepare an eye mask according to Example 1. The main body 10 formed by joining the inner sheet 30 and the outer sheet 40 has a shape that covers the wearer's eyes, the area around the eyes, and the temples when the eye mask is worn. In addition, two heating elements 20 were arranged, one each on the first panel portion 10A and the second panel portion 10B of the main body 10. The eye mask according to Example 1 was prepared in an atmosphere without oxygen.

[0127] [Examples 2 and 3] The eye masks of Examples 2 and 3 were produced in the same manner as Example 1, except that the thickness of the main body 10 was changed to change the thickness of the eye mask 1. In the eye masks of Examples 1 to 3, the thicknesses of the main body 10 are as shown in Table 1.

[0128] [Comparative Example] An eye mask for the comparative example was produced in the same manner as in Example 1, except that the shape of the main body portion 10 was changed so that when the eye mask is worn, the main body portion 10 covers only the wearer's eyes and the area around the eyes, i.e., so that when the eye mask is worn, the main body portion 10 does not cover the wearer's temples.

[0129] [Test 1] The following test 1 was carried out on the eye masks according to Example 1 and Comparative Example in order to evaluate which parts of the wearer's face are warmed when the eye mask is worn. The eye masks according to Example 1 and Comparative Example were stored sealed in oxygen-blocking bags.

[0130] First, the eye mask according to Example 1 was taken out of the oxygen barrier bag and placed on a female human head model (width 151.24 mm, depth 206.82 mm, height 233.01 mm) modeled based on the female average human head data (2014 edition) manufactured by Digital Human Technology Co., Ltd. Next, a thermograph (InfraRed Camera, manufactured by NEC Avio Infrared Technologies Co., Ltd.) was used to photograph the temperature distribution on the surface of the human head model 10 minutes after the eye mask according to Example 1 was put on. The photographed result is shown in FIG. 9(a). Similarly, the eye mask according to the comparative example was taken out of the oxygen barrier bag and placed on the human head model, and the thermograph was used to photograph the temperature distribution on the surface of the human head model 10 minutes after the eye mask according to the comparative example was put on. The photographed result is shown in FIG. 9(b). In addition, in FIG. 9(a) and FIG. 9(b), the part surrounded by the dashed line indicates the position of the temple.

[0131] [Evaluation of Test 1] As shown in FIG. 9(a), when the eye mask of Example 1 having the main body 10 covering the wearer's eyes, the area around the eyes, and the temples is worn, the wearer's eyes and the area around the eyes are warmed, and the wearer's temples are also warmed. Therefore, it is clear that the eye mask of Example 1 can improve the comfort of the wearer. On the other hand, as shown in FIG. 9(b), when the eye mask of the comparative example having the main body 10 covering only the wearer's eyes and the area around the eyes is worn, the wearer's eyes and the area around the eyes are warmed, but the wearer's temples are not warmed.

[0132] [Test 2] For the eye masks of Examples 1 to 3, the following test 2 was conducted to evaluate whether there were any differences in fit to the wearer's eyes and the area around the eyes, fit to the wearer's temples, warmth of the wearer's eyes and the area around the eyes, warmth of the wearer's temples, and comfort felt by the wearer.

[0133] One expert panelist wore the eye masks of Examples 1 to 3 and evaluated the fit to the wearer's eyes and areas around the eyes, the fit to the wearer's temples, the warmth of the wearer's eyes and areas around the eyes, the warmth of the wearer's temples, and the comfort felt by the wearer according to the following evaluation criteria.

[0134] [Evaluation Criteria] ◎: Very good ○: Good ×: Bad

[0135] [Table 1] JPEG2025075015000002.jpg66170

[0136] [Evaluation of Test 2] It was revealed that the eye mask according to Example 1 has a very good fit to the wearer's eyes, the area around the eyes, and the temples, and also warms the wearer's eyes, the area around the eyes, and the temples very well, so that the wearer feels very comfortable. It was revealed that the eye mask according to Example 2 has a very good fit to the wearer's eyes and the area around the eyes, and warms the wearer's temples, but only moderately good fit and warms the wearer's temples, so that the wearer feels moderately comfortable. It was revealed that the eye mask according to Example 3 has a moderate fit to the wearer's eyes, the area around the eyes, and the temples, and also warms the wearer's eyes, the area around the eyes, and the temples moderately well, so that the wearer feels moderately comfortable. It was also revealed that there is a correlation between the fit of the eye mask and the thermal effect. In other words, it was revealed that the better the fit of the eye mask, the higher the thermal effect can be obtained. [Explanation of symbols]

[0137] 1: Eye mask 10: Main body 10A: First panel section 10B: Second panel section 11: Upper edge 12: Lower edge 13: Side edge 14: Vertical center line 15: Nose insertion part 16: Ear insertion part 20: Heating element 21: First sheet 22: Second sheet 23: Base material layer 24: Water retention layer 25: Heating layer 30: Inner sheet 40: Outer sheet 50: Measuring equipment 51:Measurement room 52:Inflow channel 53:Outflow channel 54: Inlet temperature and humidity meter 55: Inlet flow meter 56: Outlet temperature and humidity meter 57: Outlet flow meter 58:Thermometer HM: Human head model

Claims

1. A main body portion that covers the wearer's eyes and / or the area around the eyes and temples when worn; A pair of ear attachment parts that can be attached to the wearer's ears; A heating element provided in the main body portion; Equipped with The heating element is disposed on the main body portion so as to directly or indirectly face the wearer's eyes and / or the vicinity of the eyes when the mask is worn, The main body is configured to be capable of conducting heat from the heating element to the temples of a wearer. Eye mask.

2. The ear attachment portion is an ear insertion portion that can be inserted into the wearer's ear and is provided on the main body portion, The distance between the end of one ear insertion portion on the heating element side and the end of the other ear insertion portion on the heating element side is 150 mm or more and 300 mm or less.

2. The eye mask of claim 1.

3. The thickness of the main body is 2 mm or more and 30 mm or less.

3. The eye mask according to claim 1 or 2.

4. The main body portion has an inner sheet that is positioned against the wearer's skin when worn, and an outer sheet that is positioned against the wearer's skin when worn, The heating element is provided between the inner sheet and the outer sheet.

3. The eye mask according to claim 1 or 2.

5. The thickness of the inner sheet is 1 mm or more and 20 mm or less.

5. The eye mask of claim 4.

6. The main body portion is A vertical center line that divides the main body in half in a width direction; A first panel portion that constitutes one side in a width direction with respect to the vertical center line; a second panel portion constituting the other side in the width direction with respect to the vertical center line; It has The heating elements are provided on the first panel portion and the second panel portion, respectively.

3. The eye mask according to claim 1 or 2.

7. the ear attachment portion is an ear insertion portion into which the wearer's ear can be inserted, the ear attachment portion being provided on the first panel portion and the second panel portion, a distance between an end of the ear insertion portion of the first panel portion opposite to a side on which the longitudinal center line is located and an end of the heating element of the first panel portion on the ear insertion portion side is 20 mm or more and 70 mm or less; The distance between an end of the ear insertion portion provided on the second panel portion opposite to the side where the vertical center line is located and an end of the heating element provided on the second panel portion on the ear insertion portion side is 20 mm to 70 mm.

7. The eye mask of claim 6.

8. the ear attachment portion is an ear insertion portion into which the wearer's ear can be inserted, the ear attachment portion being provided on the first panel portion and the second panel portion, The distance between the longitudinal center line and the end of the ear insertion portion on the heating element side is 75 mm or more and 150 mm or less.

7. The eye mask of claim 6.

9. a distance between the vertical center line and an end of the heating element provided on the first panel portion on the vertical center line side is 2 mm or more and 40 mm or less; A distance between the vertical center line and an end of the heating element provided on the second panel portion on the vertical center line side is 2 mm to 40 mm.

7. The eye mask of claim 6.

10. an area of ​​the first panel portion is 5% to 50% of an area of ​​a heating element provided on the first panel portion; The area of ​​the second panel portion is 5% to 50% of the area of ​​the heating element provided on the second panel portion.

7. The eye mask of claim 6.

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