Classifications

• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
  • A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
  • A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
  • A41D13/005—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment with controlled temperature
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D27/00—Details of garments or of their making
  • A41D27/02—Linings
  • A41D27/06—Stiffening-pieces
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D27/00—Details of garments or of their making
  • A41D27/28—Means for ventilation
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D31/00—Materials specially adapted for outerwear
  • A41D31/02—Layered materials
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D31/00—Materials specially adapted for outerwear
  • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
  • A41D31/10—Impermeable to liquids, e.g. waterproof; Liquid-repellent
  • A41D31/102—Waterproof and breathable
• • A—HUMAN NECESSITIES
  • A42—HEADWEAR
  • A42B—HATS; HEAD COVERINGS
  • A42B1/00—Hats; Caps; Hoods
  • A42B1/008—Hats; Caps; Hoods with means for heating or cooling

Definitions

• This disclosure relates to cooling clothing and cooling clothing sets that cool the body by evaporating moisture absorbed in nonwoven fabric.
• cooling clothing As a measure to combat the heat and heatstroke outdoors in summer, cooling clothing is known, which consists of a vest or other garment that can be worn by people or animals such as dogs, with a surface layer of moisture-absorbing material. The moisture then evaporates, absorbing heat and cooling the body through the heat of vaporization (see Patent Document 1).
• Patent Document 1 a water inlet is provided at the top of the cooling suit, and a plastic bottle is inserted into the inlet, and water from the plastic bottle is sent through the inlet to a water-absorbing material provided inside the cooling suit. The water absorbs heat by evaporation, cooling the body.
• a plurality of V-shaped water partitions are dispersed in the cooling suit, allowing water to spread over the entire surface of the water-absorbent material.
• the higher the moisture permeability (JIS L 1099:2012 A-1 method) of a cooling suit the cooler a person feels when wearing it. This is because the amount of vapor evaporating from the cooling suit increases.
• the ability of a cooling suit to make a person feel cooler is hereafter referred to as cooling performance.
• the lower the moisture permeability of the cooling suit the less steam evaporates from the cooling suit, and the longer the time that the cooling suit keeps the person feeling cool. The longer the cooling suit can keep a person cool, the better, and this performance will be hereinafter referred to as durability.
• the cooling suit of Patent Document 1 does not disclose a method for simultaneously achieving both cooling performance and durability, nor does it disclose the moisture permeation control layer of the present invention, which limits the amount of vapor released from the intermediate layer.
• the present disclosure provides a cooling suit that simultaneously satisfies cooling performance and durability.
• the present invention also provides a cooling garment set using the cooling garment and a method for wearing the cooling garment set.
• the present disclosure also provides a hat that cools the head by evaporating moisture absorbed in the nonwoven fabric.
• a cooling suit is a cooling suit having an outer fabric disposed on a front side of a body and an inner fabric disposed on a rear side of the body,
• the front fabric or the back fabric is a waterproof inner layer positioned adjacent to the body; an intermediate layer made of a nonwoven fabric disposed on the outside of the inner layer and configured to absorb and store the absorbed water; a breathable outer layer disposed outside the intermediate layer; a moisture permeation control layer disposed between the intermediate layer and the outer layer, formed on the surface of the outer layer, and configured to limit the amount of vapor released from the intermediate layer; a plurality of water retaining portions for temporarily storing the water;
• the water retaining portion is A hole penetrating the front fabric or the back fabric at the center; a first pressure-bonding portion that tightly adheres the inner layer, the moisture permeation control layer, and the outer layer around the hole; A first gap is located around the first crimped portion and is between the outer layer and the inner layer.
• a cooling garment is a cooling garment having an outer fabric disposed on a front side of a body and an inner fabric disposed on a rear side of the body,
• the front fabric or the back fabric is a breathable outer layer positioned away from the body; an intermediate layer made of a nonwoven fabric disposed inside the outer layer and configured to absorb and store the absorbed water; a breathable and waterproof inner layer disposed inside the intermediate layer; a first moisture permeation control layer disposed between the intermediate layer and the inner layer and formed on the outer side of the inner layer, the first moisture permeation control layer limiting the amount of vapor released from the intermediate layer; a second moisture permeation control layer disposed between the intermediate layer and the outer layer, formed on the surface of the outer layer, and configured to limit the amount of vapor released from the intermediate layer; a plurality of water retaining portions for temporarily storing the water;
• the water retaining portion is A hole penetrating the front fabric or the back fabric at the center; a third pressure-bonded portion that tightly adheres the
• a hat according to one aspect of the present disclosure has a crown and is adapted to cool a head,
• the crown is a waterproof inner layer positioned proximate to the head; an intermediate layer made of a nonwoven fabric disposed on the outside of the inner layer and configured to absorb and store the absorbed water; a breathable outer layer disposed outside the intermediate layer; a crimping portion that crimps the outer layer and the inner layer together so as to surround the intermediate layer below the crown,
• a water inlet is provided at the apex of the crown to supply water to the intermediate layer.
• a hat according to another aspect of the present disclosure is a hat having a crown and configured to cool a head, the crown has a plurality of partial crowns; two adjacent partial crowns of the plurality of partial crowns are overlapped and sewn together from a lower portion to a vicinity of an upper portion,
• Each of the plurality of partial crowns is a waterproof inner layer positioned proximate to the head; an intermediate layer made of a nonwoven fabric disposed on the outside of the inner layer and configured to absorb and store the absorbed water; a breathable outer layer disposed outside the intermediate layer;
• the outer periphery of the pressure-bonding portion is a pressure-bonding portion that presses the outer layer and the inner layer together, surrounding the intermediate layer.
• the cooling garment of one aspect of the present disclosure can simultaneously satisfy cooling performance and durability. Furthermore, the cooling suit can cool the entire body uniformly. Also provided is a cooling clothing set using the cooling clothing. Furthermore, the hat according to one aspect of the present disclosure can cool the head by evaporating the moisture absorbed in the nonwoven fabric.
• FIG. 1 is a front perspective view seen from the right, showing a schematic configuration of a cooling suit according to a first embodiment.
• FIG. 2 is a schematic front view of the cooling suit according to the first embodiment.
• FIG. 3 is a schematic rear view of the cooling suit according to the first embodiment.
• FIG. 4 is a schematic enlarged view of the water inlet and the water outlet in the first embodiment.
• FIG. 5A is a schematic cross-sectional view showing the AA cross section of FIG.
• FIG. 5B is a schematic cross-sectional view showing the cross section taken along line BB in FIG.
• FIG. 6A is a schematic diagram illustrating the operation of draining cold water from the middle layer of the cooling suit in the first embodiment, showing the state in which the upper part of the cooling suit begins to be rolled up.
• FIG. 1 is a front perspective view seen from the right, showing a schematic configuration of a cooling suit according to a first embodiment.
• FIG. 2 is a schematic front view of the cooling suit according to the first
• FIG. 6B is a schematic diagram illustrating the operation of draining cold water from the intermediate layer of the cooling suit in embodiment 1, showing the state where the cooling suit has been completely rolled up.
• FIG. 7 is a rear view showing a schematic configuration of the cooling suit in the first modification.
• FIG. 8A is a schematic perspective view of a case in which the cooling suit and the air-conditioning suit according to the second modification are layered on top of each other, showing a case in which a person is wearing the cooling suit.
• FIG. 8B is a schematic perspective view of a case where the cooling suit and the air-conditioning suit are layered together in Modification 2, showing the case where the air-conditioning suit is layered on top of the cooling suit.
• FIG. 9A is a schematic cross-sectional view of the cooling suit according to the second embodiment, corresponding to the cross section AA in FIG.
• FIG. 9B is a schematic cross-sectional view of the cooling suit according to the second embodiment, corresponding to the cross section BB in FIG.
• FIG. 10A is another schematic cross-sectional view of the cooling suit according to the second embodiment, corresponding to the cross section AA in FIG.
• FIG. 10B is another schematic cross-sectional view of the cooling suit according to the second embodiment, corresponding to the cross-section BB in FIG.
• FIG. 11 is a schematic diagram of a drain port in the third embodiment and an enlarged schematic diagram of the drain port.
• FIG. 12A is a schematic perspective view of a hat according to the fourth embodiment.
• FIG. 12B is a schematic perspective view of the hat in the fourth embodiment in an upside-down state.
• FIG. 13 is a schematic plan view of a hat according to the fourth embodiment.
• FIG. 14 is a schematic plan view of another hat according to the fifth embodiment.
• FIG. 15 is a schematic plan view of another hat according to the sixth embodiment.
• FIG. 16 is a schematic plan view of a water inlet in the seventh embodiment.
• FIG. 17 is a schematic perspective view showing the state before the hat cover of the eighth embodiment is put on the hat of the fourth embodiment.
• FIG. 18 is a schematic perspective view of the eighth embodiment after the hat cover is placed on the hat of the fourth embodiment.
• FIG. 19 is a schematic side view of a hooded hat according to the ninth embodiment.
• FIG. 20 is a diagram schematically illustrating a method for manufacturing the pressure-bonded portion of the outer fabric in FIG.
• FIG. 21 is a diagram schematically illustrating a method for manufacturing the pressure-bonded portion of the back fabric in FIG.
• FIG. 22 is a diagram schematically illustrating a method for manufacturing the joint portion of the outer fabric.
• FIG. 23 is a diagram schematically illustrating a method for manufacturing the outer fabric.
• FIG. 24A is a schematic front view of a cooling suit according to an eleventh embodiment.
• FIG. 24B is a schematic rear view of the cooling suit according to the eleventh embodiment.
• FIG. 25 is a schematic diagram showing the state in which the front and back fabrics in the eleventh embodiment are spread out.
• FIG. 24A is a schematic front view of a cooling suit according to an eleventh embodiment.
• FIG. 24B is a schematic rear view of the cooling suit according to the eleventh embodiment.
• FIG. 25 is a schematic diagram showing the state in which the front and back fabrics in the eleventh embodiment
• FIG. 26A is a schematic diagram of the cooling suit of embodiment 12, with the front and back fabrics spread out.
• FIG. 26B is a schematic cross-sectional view taken along line DD of FIG. 26A.
• FIG. 27 is a schematic front view of another hat according to the thirteenth embodiment.
• FIG. 28 is a schematic right side view of another hat according to the thirteenth embodiment.
• FIG. 29 is a schematic left side view of another hat according to the thirteenth embodiment.
• FIG. 30 is a schematic plan view of another hat according to the thirteenth embodiment.
• FIG. 31 is a schematic rear view of another hat according to the thirteenth embodiment.
• FIG. 32 is a schematic development view of another crown according to the thirteenth embodiment.
• FIG. 33 is a schematic enlarged view of the vicinity of the seam of another hat according to the thirteenth embodiment.
• FIG. 34 is a schematic plan view of another hat according to the fourteenth embodiment.
• FIG. 35 is a schematic front view of another hat according to the fifteenth embodiment.
• FIG. 36 is a schematic right side view of another hat according to the fifteenth embodiment.
• FIG. 37 is a schematic plan view of another hat according to the fifteenth embodiment.
• FIG. 38 is a schematic rear view of another hat according to the fifteenth embodiment.
• FIG. 39 is a schematic perspective view of the hat in the fifteenth embodiment in an upside-down state.
• FIG. 40 is a schematic front view of another hat according to the sixteenth embodiment.
• FIG. 41 is a schematic right side view of another hat according to the sixteenth embodiment.
• FIG. 42 is a schematic front view of another hat according to the seventeenth embodiment.
• the cooling suit 1 also referred to as a water-cooled cooling suit
• each component will be described in detail. (About the cooling suit as a whole)
• FIG. 1 is a front perspective view seen from the right showing the general configuration of the cooling suit 1 in embodiment 1
• FIG. 2 is a general front view of the cooling suit 1 in embodiment 1
• FIG. 3 is a general back view of the cooling suit 1 in embodiment 1.
• 1 means a perspective view of the front as seen from the right side of the cooling suit 1. This definition is also applied to the following description.
• the central axis of the cooling suit 1 (the central axis of the person) when the cooling suit 1 is worn on the person's body is defined as a center line 92. Furthermore, with the cooling suit 1 being worn on a person's body as a reference, the left-hand side of the center line 92 is defined as the left side, and the right-hand side is defined as the right side. Furthermore, with the cooling suit 1 being worn on a person's body as a reference, the side closer to the person's body is defined as the inside, and the side farther from the person's body is defined as the outside.
• the head side is defined as the upper side and the foot side as the lower side.
• human body includes both naked (skin only) and clothed bodies.
• water includes, for example, cold water chilled in a refrigerator, and water at room temperature (the temperature of the environment in which people are present).
• the cooling suit 1 has an outer fabric 2 placed on the front side of the body, an inner fabric 3 placed on the back side of the body, a left fabric 4 placed on the left side of the body, a right fabric 5 placed on the right side of the body, and a zipper 7 placed in the center of the outer fabric 2.
• the cooling suit 1 also has reinforcing lines 6 that reinforce the edges.
• the inside of the front fabric 2 and the back fabric 3 contains an intermediate layer 31 made of nonwoven fabric that absorbs water and evaporates it using body heat. Details of the intermediate layer 31 will be described later.
• the pressure-bonded portion 11 (also referred to as the second pressure-bonded portion) is a portion where the outer layer 30, the moisture permeation control layer 33, and the inner layer 32 are tightly adhered by pressure bonding, joining, or adhesion (FIG. 5A).
• the pressure-bonded part 11 confines the intermediate layer 31 in the front fabric 2 and the back fabric 3, and is a linear part where the front layer 30 and the inner layer 32 are pressure-bonded together, and is a continuous line drawn in one stroke.
• the outer fabric 2 has multiple water retention sections 13 that retain water. Details of the water retention sections 13 will be described later, but the water retention sections 13 have a hole 10 (black circle) in the center that penetrates the outer fabric 2.
• the back fabric 3 also has a plurality of water retaining portions 13 that retain water, an intermediate layer 31 , and a pressure-bonded portion 11 .
• the intermediate layer 31 is made of a single continuous nonwoven fabric inside the front fabric 2 and the back fabric 3. As described above, the intermediate layer 31 is confined inside the front fabric 2 and the back fabric 3 by the pressure-bonded portions 11. The intermediate layer 31 may be separated and confined inside the front fabric 2 and inside the back fabric 3, or the two separated intermediate layers 31 may be joined together to form a single layer.
• the back fabric 3 is provided with a water inlet 20 at its upper part for supplying water to the intermediate layer 31 and a drain outlet 21 at its lower part for draining water absorbed by the intermediate layer 31.
• the upper part means a position above half of the cooling suit 1
• the lower part means a position below half of the cooling suit 1.
• the drain outlet 21 is arranged at the left end of the back fabric 3 so that when a person sits on a chair or the like, the body is not pushed by the drain outlet 21.
• the drain outlet 21 may also be arranged at the right end.
• a left fabric 4 and a right fabric 5 are provided so that the front fabric 2 and the back fabric 3 fit the body.
• the left fabric 4 and the right fabric 5 connect the front fabric 2 and the back fabric 3 and are made of a stretchable material such as rubber.
• the left fabric 4 and the right fabric 5 may have multiple holes to improve breathability.
• FIG. 4 is a schematic rear view of the cooling suit 1 of the first embodiment, and shows an enlarged view of the water inlet 20 and the drain outlet 21.
• the water inlet 20 has an outer lid 24 positioned far from the body and an inner lid 25 positioned close to the body.
• the outer lid 24 and the inner lid 25 are in contact with each other in the front-to-back direction, and together they form a closure 34 to prevent water from leaking out of the intermediate layer 31.
• the outer lid 24 has a protrusion for being grippable by hand.
• the outer lid 24 has a protrusion 26 on the inside, and the inner lid 25 has a recess 27 on the outside.
• Water injected through the water inlet 20 is absorbed by the middle layer 31 of the back fabric 3 and also spreads and is absorbed by the middle layer 31 of the front fabric 2, spreading the water over the entire surface of the cooling suit 1.
• the water inlet 20 may be configured with a hook-and-loop fastener such as Magic Tape (registered trademark), a waterproof zipper, or a waterproof fastener that prevents water from leaking out from the inside of the intermediate layer 31.
• the drain port 21 may have the same structure as the water inlet 20 but may be of a different size.
• the drain hole 21 and the water inlet 20 may be provided in the outer fabric 2 .
• FIG. 5A is a schematic cross-sectional view of the cooling suit 1 of the first embodiment, showing the cross section taken along line AA in FIG.
• the outer fabric 2 includes a waterproof inner layer 32 positioned close to the body, an intermediate layer 31 positioned outside the inner layer 32 and made of a nonwoven fabric that absorbs water and stores the absorbed water, a breathable outer layer 30 positioned outside the intermediate layer 31, and a breathability control layer 33 positioned between the intermediate layer 31 and the outer layer 30, formed on the surface of the outer layer 30, and that limits the amount of vapor (moisture) released from the intermediate layer 31.
• the outer fabric 2 may further include a mesh fabric or other fabric on the inner side of the inner layer 32, or may further include a mesh fabric or other fabric on the outer side of the outer layer 30.
• the outer fabric 2 has a waterproof inner layer 32 positioned closest to the body, a breathable outer layer 30 positioned farthest from the body, an intermediate layer 31 positioned above the inner layer 32 and made of nonwoven fabric that absorbs and stores the absorbed water, and a breathability control layer 33 positioned between the intermediate layer 31 and the outer layer 30 and that limits the amount of vapor (moisture) released from the intermediate layer 31.
• the material of the inner layer 32 is preferably a waterproof material such as nylon.
• the material of the inner layer 32 may also be made antistatic by using, for example, antistatic yarn such as a hydrophilic polymer.
• the material of the intermediate layer 31 is a nonwoven fabric, and is preferably a material such as polyurethane moisture-wicking polyester fleece, technology core polyester fleece, or a direct-spun fiber containing a polymer whose main component is polyacrylic acid sodium salt.
• the intermediate layer 31 may be made of a polymer absorbent material.
• the material of the intermediate layer 31 is not particularly limited to the above materials, as long as it is a material that can absorb water and easily evaporate the absorbed water.
• the material of the moisture permeation control layer 33 is preferably a material that has both waterproofness to prevent water from passing through the intermediate layer 31 and moisture permeability to allow vapor (moisture) to pass through the intermediate layer 31 .
• Thermoplastic polyurethane is preferably used for the moisture permeation control layer 33. There are two types of thermoplastic polyurethane: a non-porous film and a porous film.
• a non-porous film is a film with few tiny holes (air bubbles).
• a porous film is a film that has many tiny holes (air bubbles). Both non-porous and porous films have tiny holes (cells). The number of holes (cells) per unit area of a porous film is greater than the number of holes (cells) per unit area of a non-porous film. If the thickness of a non-porous film and that of a porous film are the same, the porous film will allow a greater amount of vapor (moisture) from the intermediate layer 31 to pass through the moisture permeation control layer 33 to the outside.
• the first method is to form the moisture permeation control layer 33 into a thin film, and then to bond the film-like moisture permeation control layer 33 and the front layer 30 together by thermocompression bonding or the like.
• the second method is as follows: (1) A solution for the moisture permeation control layer 33 is poured into the surface layer 30 . (2) The poured solution of the moisture permeation control layer 33 is dried. (3) When the drying is completed, the moisture permeation control layer 33 is formed on the surface of the face layer 30 .
• the method of bonding the pressure-bonded portion 11 (three layers: the outer layer 30, the moisture permeation control layer 33, and the inner layer 32) shown in FIGS. 5A and 5B will be described.
• the moisture permeation control layer 33 rubs against the surface layer 30, and the moisture permeation control layer 33 rubs against the inner layer 32, generating heat, causing the moisture permeation control layer 33 to melt partially or entirely, and bonding the surface layer 30 and the inner layer 32 together.
• the bonding method of the pressure-bonding portion 11 may be heat welding.
• the material of the outer layer 30 is preferably a material that has moisture permeability and is compatible with the moisture permeation control layer 33, such as a nylon material or a polyester material.
• the outer layer 30 may be made of a material such as cotton.
• the material of the outer layer 30 is preferably a breathable material such as 50% nylon jersey and 50% polyurethane.
• the material of the surface layer 30 may be made antistatic by using antistatic yarn or the like.
• Flame-retardant fibers may be used for the material of the outer layer 30 and/or the material of the inner layer 32.
• the material of the outer layer 30 and/or the material of the inner layer 32 may also be subjected to a flame-retardant treatment.
• flame-retardant fibers and fibers that have been flame-retarded include Vinal (registered trademark), polyetherimide (PEI) fibers, Moeny (registered trademark), Conex (registered trademark), Super Ecstar (registered trademark), Anfla (registered trademark), Heim (registered trademark), Protecta (registered trademark) FR, Honoguard (registered trademark), Brevano (registered trademark), and Nonex (registered trademark).
• the cooling suit 1 has a pressure-bonded portion 11 in which the outer layer 30, the moisture permeability control layer 33, and the inner layer 32 are closely bonded by pressure-bonding, joining, or adhesion.
• a gap 12 (also referred to as a second gap) is formed between the pressure-bonded portion 11 and the intermediate layer 31.
• the pressure-bonded portion 11 on the outer edge of the cooling suit 1 surrounds the intermediate layer 31 via the gap 12.
• the pressure-bonded portion 11 on the outer edge of the cooling suit 1 does not have an intermediate layer 31.
• the cooling suit 1 may not have the gap 12, and the intermediate layer 31 may be in contact with the pressure-bonded portion 11 on the outer edge.
• the back fabric 3 has the same structure and material as the front fabric 2.
• the water retention portion 13 retains the water.
• the water retention portion 13 has a hole 10 penetrating the front fabric 2 and the back fabric 3, a pressure-bonded portion 11 (also referred to as a first pressure-bonded portion) that tightly bonds the front layer 30, the moisture permeability control layer 33, and the inner layer 32 around the hole 10, and a void 12 (also referred to as a first void) that is located around the pressure-bonded portion 11 and between the front layer 30 and the inner layer 32. Water is stored in the gap 12 and is thereby retained in the water retaining portion 13 .
• the water holding portion 13 temporarily stores water. More specifically, when water is supplied to the intermediate layer 31 through the water inlet 20 , the water is temporarily stored in the voids 12 of the water holding portion 13 . In this state, when the water held in the intermediate layer 31 adjacent to the void 12 evaporates, the amount of water held in the intermediate layer 31 decreases. Then, due to the capillary phenomenon of the intermediate layer 31, the water stored in the void 12 moves from the void 12 to the intermediate layer 31 and is absorbed. As time passes, all of the water stored in the voids 12 moves to the intermediate layer 31 and the water in the voids 12 disappears.
• the holes 10 in the water holding portion 13 allow sweat from the body to be discharged to the outside of the cooling suit 1, thereby preventing the suit from becoming stuffy. Furthermore, since the intermediate layer 31 is positioned by the pressure-bonding portions 11 (first pressure-bonding portions) of the multiple water holding portions 13, the intermediate layer 31 can be prevented from moving up and down or left and right even when the user moves their body. Furthermore, due to the second gap, even when the user twists his/her body, the intermediate layer 31 moves to the left and right to some extent, so that the user can twist his/her body easily without putting any strain on the body. The above-mentioned effects are also exhibited in the third crimping portion and the fourth gap, which will be described later.
• FIG. 6A and 6B are schematic operational diagrams showing how water is drained from the intermediate layer 31 of the cooling suit 1 in the first embodiment.
• the intermediate layer 31 of the cooling suit 1 is in a state in which water has already been absorbed.
• the blocking portion 34 (FIG. 4) of the water inlet 20 is closed, and the blocking portion 34 of the water outlet 21 is opened.
• the upper part of the cooling suit 1 begins to be rolled up, the water in the upper part of the intermediate layer 31 of the outer fabric 2 is squeezed out and moves to the lower part of the intermediate layer 31 .
• FIG. 6B when the rolling up of the cooling suit 1 is nearing completion and the drainage is almost complete, the blocking portion 34 of the drain port 21 is closed.
• the water in the intermediate layer 31 is drained, and water can be poured in through the water pouring port 20 .
• water can be supplied to the cooling suit 1 any number of times (for example, four times a day), and the cooling suit 1 can cool the body.
• gravity tends to cause water to accumulate under the outer fabric 2 or the inner fabric 3. Excess water accumulated under the outer fabric 2 or the inner fabric 3 can be discharged from the drain outlet 21.
• Example 1 shows the relationship between the moisture permeability (JIS L 1099:2012 A-1 method) of the front fabric 2 or the back fabric 3 and evaluation item 1, evaluation item 2, and the thickness of the moisture permeability control layer 33.
• the horizontal axis of Table 1 represents the moisture permeability of the front fabric 2 or the back fabric 3, which conforms to the JIS L 1099:2012 A-1 method.
• the moisture permeability represents the amount of water that evaporates from the intermediate layer 31 per hour per square meter of the front fabric 2 or the back fabric 3.
• the vertical axis of Table 1 represents evaluation item 1, evaluation item 2, and the thickness of the moisture permeation control layer 33.
• Evaluation item 1 represents the cooling performance of the cooling suit 1.
• cooling performance an experiment was conducted in the following manner. First, 500 ml of water at 25°C was poured into the cooling suit 1 and allowed to spread throughout the intermediate layer 31. Then, when a person wore the cooling suit 1 in an environment of 25°C and 50% RH, it was examined whether or not they felt a cool sensation in the chest and back for five minutes. In Table 1, if a cold sensation was felt for 5 minutes, it is indicated by a circle, and if a cold sensation was not felt before 5 minutes had elapsed, it is indicated by an X.
• Evaluation item 2 indicates the durability of the cooling suit 1. Specifically, for evaluation item 2 (sustainability), an experiment was conducted in the following manner. First, 500 ml of water at 30° C. is poured into the cooling suit 1 and allowed to spread throughout the intermediate layer 31. The weight of the cooling suit 1 at this time is measured (this weight measurement result is designated as weight 1). Next, the cooling suit 1 is left in an environment of 30° C. and 50% RH for 72 hours. Next, after the cooling suit 1 is left to stand, the weight of the cooling suit 1 is measured (this weight measurement result is referred to as weight 2). Finally, weight 2 is subtracted from weight 1 to calculate the amount of water remaining in cooling suit 1. In Table 1, the case where the amount of water remaining in the cooling suit 1 is 50 ml or more is indicated by "O", and the case where the amount of water remaining in the cooling suit 1 is less than 50 ml is indicated by "X”.
• Table 1 the type and thickness (mm) of the moisture permeability control layer 33 are listed in the row below evaluation item 2.
• the moisture permeability (ml/(m 2 ⁇ H)) that satisfies evaluation item 1 is 12.5 or more.
• the moisture permeability (ml/(m 2 ⁇ H)) that satisfies evaluation item 2 is 0 or more and 62.5 or less. Therefore, the moisture permeability (ml/(m 2 ⁇ H)) that satisfies evaluation item 1 and evaluation item 2 simultaneously is 12.5 or more and 62.5 or less. Therefore, it is preferable that the moisture permeability (JIS L 1099:2012 A-1 method) of the front fabric 2 or the back fabric 3 of the cooling suit 1 be 12.5 or more and 62.5 or less.
• the moisture permeation control layer 33 which realized a moisture permeability (ml/(m 2 ⁇ H)) of 12.5, was a non-porous film with a thickness of 0.15 mm.
• the moisture permeation control layer 33 which achieved a moisture permeability (ml/(m 2 ⁇ H)) of 62.5, was a porous film with a thickness of 0.10 mm.
• the moisture permeability control layer 33 is made of the same type of material, it can be seen that by increasing the thickness of the moisture permeability control layer 33, the amount of vapor (moisture) from the intermediate layer 31 that passes through the moisture permeability control layer 33 to the outside can be reduced (when the moisture permeability in Table 1 is 12.5 and 29.2, and when the moisture permeability is 45.8 and 62.6).
• FIG. 7 is a rear view showing the schematic configuration of the cooling suit 100 in the first modification.
• the cooling suit 1 of the first embodiment (FIG. 3) is provided with one water inlet 20 in the upper part of the back fabric 3 and one water outlet 21 in the lower part of the back fabric 3 .
• a single water inlet/outlet port 40 is provided at the lower end of the back fabric 3 for injecting water into the cooling suit 1 and draining water from the cooling suit 1 at the same time.
• the water inlet/outlet port 40 has a normal cap structure, and when the portion of the water inlet/outlet port 40 indicated by the solid line in FIG.
• water can be poured and drained using a single water inlet/outlet port 40, so the area of the intermediate layer 31 can be increased, and the amount of water that can be retained can be increased.
• FIG. 8A and 8B are schematic perspective views showing the operation of layering the cooling suit 1 of the present disclosure and the air-conditioning suit 50 (also referred to as the Air-Conditioned Fuujin Suit (registered trademark)) in Modification 2.
• FIG. 8A is a diagram showing a case where a person wears the cooling suit 1
• FIG. 8B is a diagram showing a case where an air-conditioning suit 50 is worn over the cooling suit 1.
• air-conditioning clothing 50 is equipped with a fan 51 that blows outside air into the clothing, evaporating sweat from the body and lowering the body temperature.
• the air-conditioning clothing 50 is also called EF wear or fan-equipped workwear.
• the cooling suit 1 and the air-conditioning suit 50 The operation of layering the cooling suit 1 and the air-conditioning suit 50 will now be described.
• the cooling suit 1 which has already been filled with water, is put on the body and the zipper 7 is fastened.
• the air-conditioning suit 50 is layered on top of the cooling suit 1, and the air-conditioning suit 50 is fastened with a zipper.
• the fan 51 of the air-conditioning clothing 50 is rotated to send outside air into the clothing.
• the combination of the layered cooling suit 1 and the air-conditioning suit 50 is called a cooling suit set.
• the air-conditioning suit 50 sends outside air to the surface of the cooling suit 1, facilitating the evaporation of water in the cooling suit 1 and enabling the body temperature to be lowered quickly.
• the fan 51 is rotated after putting on the air-conditioning suit 50, the air-conditioning suit 50 with the fan 51 rotating may be put on over the cooling suit 1.
• the cooling suit 1 may be worn inside out (reverse) on the body, and the reversed cooling suit 1 and the air-conditioning suit 50 may be worn over each other.
• the operation of layering the reversed cooling suit 1 and the air-conditioning suit 50 is the same as that shown in FIG. 8B, and therefore will not be described here.
• the outer layer 30 of the outer fabric 2 and the outer layer 30 of the inner fabric 3 of the cooling suit 1 are positioned closest to the body, so that water in the intermediate layer 31 can pass through the outer layer 30 and evaporate, lowering body temperature even without sweating. Furthermore, the air-conditioning suit 50 sends outside air into the cooling suit 1, promoting evaporation of the cooling suit 1 and enabling the body temperature to be lowered quickly.
• the cooling suits 1, 100 may have the water inlet 20 and the drain outlet 21 on the inside thereof, taking into consideration the design of the outside.
• the water inlet 20 may be provided on the upper inside of the right or left side of the front fabric 2 or on the upper inside of the back fabric 3 .
• a drain hole 21 may be provided on the lower inside of the right or left side of the front fabric 2 or on the lower inside of the back fabric 3.
• the cooling suit 1 has the same water injection and drainage functions as the cooling suit 1 of embodiment 1, and a water injection port 20 and a drainage port 21 are provided on the inside of the cooling suit 1, thereby preventing the outer design of the cooling suit 1 from being damaged. Furthermore, since the water inlet 20 and the drain outlet 21 are provided inside the cooling suit 1, the cover of the water inlet 20 or the cover of the drain outlet 21 can be prevented from being caught on an object and opening.
• an inner layer 32 having moisture permeability and waterproofness is provided in a position close to the human body, and a moisture permeability control layer 33 (also referred to as a first moisture permeability control layer 33a) is placed on top of (on the outside of) the inner layer 32.
• 9A is a schematic cross-sectional view of the cooling suit 101 in the second embodiment, corresponding to the cross section AA in FIG. 2
• FIG. 9B is a schematic cross-sectional view of the cooling suit in the second embodiment, corresponding to the cross section BB in FIG.
• the front fabric 2 or the back fabric 3 is positioned away from the body and includes a breathable front layer 30, an intermediate layer 31 that is positioned inside the front layer 30 and is made of a nonwoven fabric that absorbs and stores absorbed water, a breathable and waterproof inner layer 32 that is positioned inside the intermediate layer 31, and a first breathability control layer 33 a that is positioned between the intermediate layer 31 and the inner layer 32 and is formed on the outer surface of the inner layer 32 to limit the amount of vapor released from the intermediate layer 31.
• the method for forming the first moisture permeation control layer 33a on the inner layer 32 is the same as the method described in the first embodiment.
• the outer fabric 2 may further include a mesh fabric or other fabric on the inner side of the inner layer 32, or may further include a mesh fabric or other fabric on the outer side of the outer layer 30.
• the front fabric 2 or the back fabric 3 comprises, in order of proximity to the human body, an inner layer 32 having moisture permeability and waterproof properties, a moisture permeation control layer 33, an intermediate layer 31, and an outer layer 30 having no moisture permeability but waterproof properties.
• Press-fit sections 11 are arranged on both sides of the front fabric 2 or the back fabric 3, where the inner layer 32, the moisture permeation control layer 33, and the outer layer 30 are bonded.
• the front fabric 2 or the back fabric 3 has a gap 12 between the press-fit section 11 and the intermediate layer 31.
• the inner layer 32 may be positioned closest to the body, and the outer layer 30 may be positioned farthest from the body.
• the outer fabric 2 or the inner fabric 3 comprises, in order of proximity to the human body, an inner layer 32 that is breathable and waterproof, a breathability control layer 33, an intermediate layer 31, and an outer layer 30 that is not breathable but waterproof.
• the front fabric 2 or the back fabric 3 has an inner layer 32, a moisture permeation control layer 33, and holes 10 penetrating the front layer 30.
• the front fabric 2 or the back fabric 3 has a gap 12 between the pressure-bonded portion 11 and the intermediate layer 31 .
• the front fabric 2 or the back fabric 3 has a pressure-bonded portion 11 where the inner layer 32, the moisture permeation control layer 33, and the front layer 30 are bonded together so as to surround the hole 10.
• the hole 10 , the pressure-bonded portion 11 and the gap 12 form a water holding portion 13 .
• the breathable and waterproof inner layer 32 is positioned closest to the body in the outer fabric 2 and/or inner fabric 3 of the cooling suit 101. Therefore, when water in the middle layer 31 evaporates, the evaporated water passes through the inner layer 32 and comes into contact with the human body. As a result, the water that comes into contact with the human body evaporates, allowing the human body temperature to be lowered without sweating.
• 10A and 10B are alternative embodiments to those of FIGS. 9A and 9B, respectively.
• 10A is another schematic cross-sectional view of the cooling suit 102 in embodiment 2 corresponding to the AA cross section in FIG. 2
• FIG. 10B is another schematic cross-sectional view of the cooling suit 102 in embodiment 2 corresponding to the BB cross section in FIG. 2.
• the outer fabric 2 or the inner fabric 3 comprises, in order of proximity to the human body, a breathable and waterproof inner layer 32, a first breathability control layer 33a, an intermediate layer 31, a second breathability control layer 33b, and a breathable and waterproof outer layer 30.
• pressure-bonded portions 11 also referred to as fourth pressure-bonded portions
• the outer fabric 2 or inner fabric 3 is positioned away from the body and comprises a breathable outer layer 30, an intermediate layer 31 positioned inside the outer layer 30 and made of nonwoven fabric that absorbs and stores absorbed water, an inner layer 32 positioned inside the intermediate layer 31 and which is breathable and waterproof, and a first breathability control layer 33a positioned between the intermediate layer 31 and the inner layer 32, formed on the outer surface of the inner layer 32, and which limits the amount of vapor released from the intermediate layer 31.
• the first moisture permeation control layer 33a and the second moisture permeation control layer 33b can be made of the same material as the moisture permeation control layer 33 described in the first embodiment.
• the method for forming the first moisture permeation control layer 33a on the inner layer 32 and the method for forming the second moisture permeation control layer 33b on the outer layer 30 are the same as those described in the first embodiment. That is, the second moisture permeation control layer 33 b is disposed between the front layer 30 and the intermediate layer 31 and is formed on the surface of the front layer 30 .
• the outer fabric 2 may further include a mesh fabric or other fabric on the inner side of the inner layer 32, or may further include a mesh fabric or other fabric on the outer side of the outer layer 30.
• the front fabric 2 or the back fabric 3 has a gap 12 (also referred to as a fourth gap) between the pressure-bonded portion 11 and the intermediate layer 31 .
• the inner layer 32 may be positioned closest to the body, and the outer layer 30 may be positioned farthest from the body.
• the outer fabric 2 or the inner fabric 3 comprises, in order of proximity to the human body, an inner layer 32 having breathability and waterproofness, a first breathability control layer 33a, an intermediate layer 31, a second breathability control layer 33b, and an outer layer 30 having breathability and waterproofness (both sides in Figure 10B).
• the front fabric 2 or the back fabric 3 has holes 10 penetrating through the inner layer 32 , the first moisture permeation control layer 33 a , the second moisture permeation control layer 33 b , and the front layer 30 .
• the front fabric 2 or the back fabric 3 has a gap 12 (also referred to as a third gap) between the pressure-bonded portion 11 and the intermediate layer 31 .
• the outer fabric 2 or the inner fabric 3 has a pressure-bonded portion 11 (also called the third pressure-bonded portion) arranged to surround the hole 10, where the inner layer 32, the first moisture permeability control layer 33a, the second moisture permeability control layer 33b, and the outer layer 30 are bonded.
• the hole 10 , the pressure-bonded portion 11 and the gap 12 form a water holding portion 13 .
• the breathable and waterproof inner layer 32 is disposed closest to the body in the front fabric 2 and/or the back fabric 3 of the cooling suit 102, so that when water in the intermediate layer 31 evaporates, the evaporated water passes through the inner layer 32 and comes into contact with the human body. As a result, the water that comes into contact with the human body evaporates, allowing the human body temperature to be reduced without sweating. Furthermore, when water in the intermediate layer 31 evaporates, the evaporated water passes through the breathable and waterproof outer layer 30 and is expelled to the outside, thereby further lowering body temperature.
• the drain outlet 21 in FIG. 4 (the system in which the outer lid 24 is pressed against the inner lid 25) is replaced with a screw-type chap system. 4 , for example, when a person wearing the cooling suit 1 sits in a chair with a backrest, such as a car chair, the outer lid 24 comes into contact with the backrest. If the person's posture changes and the outer lid 24 opens for some reason, there is a risk that water in the intermediate layer 31 will leak out of the drain outlet 21.
• the third embodiment is an embodiment that improves this problem.
• FIG. 11 is a schematic diagram of the drain port 22 in the third embodiment and an enlarged schematic diagram of the drain port 22.
• the drain outlet 22 has a structure similar to that of a PET bottle (registered trademark) cap, and includes a cap nut 41 , a cap bolt 42 , and a connecting member 43 .
• the connecting member 43 connects the cap nut 41 and the cap bolt 42 to prevent the cap nut 41 from being lost.
• the end of the connecting member 43 on the cap nut 41 side and the cap nut 41 are connected so that the cap nut 41 can rotate relative to the end of the connecting member 43.
• cap nut 41 and cap bolt 42 When the cap nut 41 and cap bolt 42 are brought into contact and the cap nut 41 is rotated, for example, clockwise, the cap nut 41 is screwed onto the cap bolt 42. The cap nut 41 and cap bolt 42 are then firmly secured together.
• the cap nuts 41 and cap bolts 42 are firmly fixed, preventing water from leaking from the intermediate layer 31 through the drain hole 22.
• drain hole 22 may be configured with a waterproof zipper that prevents water from leaking out from the inside of the intermediate layer 31.
• FIG. 12A is a schematic perspective view of the hat 60 in the fourth embodiment
• FIG. 12B is a schematic perspective view of the hat 60 in the fourth embodiment in an upside-down state
• FIG. 13 is a schematic plan view of the hat 60 in the fourth embodiment.
• the hat 60 mainly comprises a crown 61, a brim 62, and a length adjustment member 66.
• the hat 60 further has a water inlet 63 located at the top of the hat 60 (here, the apex of the hat 60), a drain outlet 64 located at the bottom of the hat 60, an intermediate layer 31, a water retention portion 65, and a crimped portion 68.
• the mid layer 31 is disposed over the entire interior surface of the crown 61 .
• the crimping portion 68 is disposed at the bottom of the cap 60 so as to surround the periphery of the cap 60 .
• the crimping portion 68 is the same as the crimping portion 11 described above.
• the structure of the crown 61 of the hat 60 is the same as that of the outer fabric 2 or inner fabric 3 of the cooling suits 1, 100-103 of the above-described embodiments 1-3.
• the area near the top of the hat 60 (crown 61) (near the water inlet 63) is defined as the upper part of the hat 60 (crown 61), and the part of the crown 61 near the neck is defined as the lower part of the hat 60 (crown 61).
• the upper part of the hat 60 (crown 61) is above half the height of the crown 61, and the lower part of the hat 60 (crown 61) is below half the height of the crown 61.
• the side away from the head is defined as the outside of the cap 60 (crown 61), and the side closer to the head is defined as the inside.
• the basic mechanism of the hat 60 will now be described. First, water is poured into the crown 61 from the water inlet 63 located at the top of the hat 60 . Next, the poured water is absorbed by the intermediate layer 31 and spreads over the intermediate layer 31 at the bottom of the hat 60 . Next, when a person puts on the hat 60 filled with water, the water in the intermediate layer 31 evaporates due to the heat of the head and/or the heat of the hat 60 heated by sunlight. The heat of evaporation cools the head. Finally, when water needs to be drained from the hat 60, a person rolls up the hat 60, and the water in the middle layer 31 is drained to the outside of the hat 60 through the drain hole 64 located at the bottom of the hat 60.
• water can be easily poured into the hat 60 through the water inlet 63 located at the top of the hat 60. Furthermore, when it is desired to drain water from the hat 60, a person can simply roll up the hat 60, allowing the water in the middle layer 31 to be easily drained outside the hat 60 through the drain outlet 64 located at the bottom of the hat 60.
• the hat 60 In order to perform both the water filling and draining operations, the hat 60 only needs to be equipped with either the water filling port 63 or the drain port 64.
• the fifth embodiment is a hat 70 different from the fourth embodiment.
• FIG. 14 is a schematic plan view of another hat 70 according to the fifth embodiment.
• the crown 61 is divided into sections by a plurality of crimped portions 68.
• the crown 61 is divided into four sections by four crimped portions 68.
• a water inlet 63 similar to the water inlet 63 of the fourth embodiment is provided at the top (vertex) of the crown 61 .
• a person pours water into the interior of the hat 70 (crown 61) from a single water inlet 63 located at the top of the hat 70, so the water spreads evenly throughout all compartments. As a result, the water spreads over the entire surface of the crown 61.
• FIG. 15 is a schematic plan view of another hat 80 according to the sixth embodiment.
• the crown 61 is divided into sections by the crimped portions 68.
• the crown 61 is divided into four sections by the four crimped portions 68.
• At least one water inlet 63 is provided for each compartment at the top of the hat 70 .
• the crown 61 of the hat 80 is divided into sections by the crimped portion 68, and at least one water inlet 63 is provided for each section at the top of the hat 70.
• a person pours water into the inside of the hat 80 (crown 61) from the plurality of water inlets 63, so that the water is distributed evenly in all the compartments. As a result, the water is distributed over the entire surface of the crown 61.
• FIG. 16 is a schematic plan view of the water inlet 71 in the seventh embodiment. As shown in FIG. 16 , the water inlet 71 has a slide body 75 , a slide lid 72 , a slide groove 73 , and a water inlet opening 74 .
• the water inlet opening 74 supplies water to the mid layer 31 inside the crown 61 .
• the slide body 75 is a substantially rectangular parallelepiped and has the slide lid 72 inside.
• the slide cover 72 can be moved left and right on the paper surface by a user's finger.
• the left side of FIG. 16 shows the slide cover 72 positioned on the left side of the slide body 75 .
• the water inlet opening 74 is closed by the slide lid 72 , and the water in the intermediate layer 31 inside the crown 61 does not leak out to the outside of the crown 61 .
• FIG. 16 shows the slide cover 72 positioned on the right side of the slide body 75 .
• the water inlet opening 74 is opened by the slide lid 72 , and the water in the intermediate layer 31 inside the crown 61 can be discharged to the outside of the crown 61 .
• the eighth embodiment is a hat cover 120 (hereinafter simply referred to as the hat cover 120) that uses a radiative cooling material 85.
• FIG. 17 is a schematic perspective view showing the state before the hat cover 120 in the eighth embodiment is put on the hat 60 in the fourth embodiment.
• FIG. 18 is a schematic perspective view of the eighth embodiment after the hat cover 120 is placed on the hat 60 of the fourth embodiment.
• the hat cover 120 is placed over the hat 60, and is made of a radiation cooling material 85, which will be described later.
• the hat 60 may be the above-mentioned hats 70 and 80.
• the hat cover 120 has one hat cover opening 121 at the top (vertex) of the hat cover 120 and multiple hat cover holes 122 at the bottom of the hat cover 120.
• the hat 60 has a plurality of hat cover fixing members 123 at the bottom of the hat 60 of the fourth embodiment.
• the cap cover fixing member 123 is passed through the cap cover hole 122 of the cap cover 120 to fix the cap cover 120 to the cap 60, and is preferably made of rubber or resin.
• the hat cover fixing member 123 has an upper fixing member 124, an intermediate fixing member 125, and a lower fixing member 126.
• the hat cover fixing member 123 is preferably cylindrical, but is not limited to a cylindrical shape as long as it can fix the hat cover hole 122.
• the diameter (circumferential length) of the intermediate fixing member 125 is smaller than the diameter (circumferential length) of the upper fixing member 124 and the diameter (circumferential length) of the lower fixing member 126 (see the enlarged view in FIG. 17). Furthermore, the diameter (circumferential length) of the hat cover hole 122 is smaller than the diameter (circumferential length) of the upper fixing member 124 and the diameter (circumferential length) of the lower fixing member 126, and is larger than or equal to the diameter (circumferential length) of the intermediate fixing member 125.
• the hat cover opening 121 of the hat cover 120 is inserted into the water inlet 63 of the hat 60.
• any one of the upper fixing members 124 is inserted into the corresponding hat cover hole 122, and the hat cover hole 122 is inserted up to the intermediate fixing member 125.
• the hat cover hole 122 is sandwiched between the upper fixing member 124 and the lower fixing member 126, and the hat cover hole 122 is fixed to the hat 60.
• the hat cover hole 122 is located above the lower fixing member 126, a space is created between the hat cover 120 and the hat 60 at the position of the hat cover hole 122. Therefore, the hat 60 and the radiative cooling material 85 are in partial contact, and there is a partial space between the hat cover 120 and the hat 60.
• the radiative cooling material 85 utilizes the principle of "radiative cooling” to lower the temperature of the radiative cooling material 85 and the environmental temperature in the shade (hereinafter referred to as the shadow temperature) on the opposite side from direct sunlight without using energy by releasing heat into space, even under direct sunlight.
• the radiative cooling material 85 for example, the radiative cooling material "SPACECOOL (registered trademark)" by SPACECOOL Corporation can be used.
• the shadow temperature of fabric made of the radiative cooling material "SPACECOOL (registered trademark)” is about 10 degrees Celsius or more lower than the shadow temperature of ordinary fabrics.
• the hat 60 by covering the hat 60 with the hat cover 120 using the radiative cooling material 85, it is possible to cool the person's head more effectively than if the hat 60 alone were used. Furthermore, by providing a partial space between the hat cover 120 and the hat 60, water vapor vaporized from the intermediate layer 31 of the hat 60 is released to the outside of the radiative cooling material 85 through the partially provided space, thereby enabling efficient cooling of the person's head.
• the hat cover opening 121 and the water inlet 63 may be configured in the same manner as the hat cover hole 122 and the hat cover fixing member 123 (with the exception that the center is a hole through which water is supplied to the intermediate layer 31), and the hat cover opening 121 may be fixed to the water inlet 63. In this case, a space is created between the hat cover opening 121 and the hat 60, which is preferable.
• the cap cover fixing member 123 is not limited as long as it can fix the cap cover 120 to the cap 60 .
• the upper fixing member 124 may be a lid that can be removed from the intermediate fixing member 125, a pin such as a thumbtack, or a screw-type cap.
• FIG. 19 is a schematic side view of a hooded hat 90 according to the ninth embodiment.
• the hooded hat 90 has a hood 81 below the crown 61 .
• the intermediate layer 31 is disposed over the entire surface or a portion of the crown 61 and the hood 81 .
• the crimping portion 68 is located along the lower front portion of the crown 61 and the edge of the hood 81 and is continuous.
• the drain port 64 is located at the bottom of the hood 81 .
• the hood 81 having the intermediate layer 31 can be used to cool a person's neck and/or shoulders.
• Embodiment 10 is a manufacturing method of a cooling suit 1 in which the middle layer 31 of the outer fabric 2 covers the upper body (abdomen and thorax) at the front, as shown in Figure 2, and the middle layer 31 of the inner fabric 3 covers the waist and back (back) at the rear, as shown in Figure 3.
• Figure 20 is a diagram schematically illustrating a manufacturing method of the pressure-bonded portion 11 of the front fabric 2 in Figure 2.
• the upper diagram of Figure 20 is a schematic front view of the front fabric 2
• the lower diagram of Figure 20 is a diagram schematically illustrating a manufacturing method of the pressure-bonded portion 11 of the front fabric 2 in the CC cross section of Figure 20.
• Figure 21 is a diagram schematically illustrating a method for manufacturing the pressure-bonded portion 11 of the back-side fabric 3 in Figure 3.
• the upper diagram of Figure 21 is a schematic front view of the back-side fabric 3
• the lower diagram of Figure 21 is a diagram schematically illustrating a method for manufacturing the pressure-bonded portion 11 of the back-side fabric 3 in the D-D cross section of Figure 21.
• FIG. 22 is a diagram schematically illustrating a method for manufacturing the joining portion of the front fabric 2.
• the method for manufacturing the cooling suit 1 of the tenth embodiment is carried out by the following steps (1) to (3).
• Step (1) Cutting out the front fabric 2 and the back fabric 3.
• Step (2) First crimping step of the crimped portion 11 of the front fabric 2 and second crimping step of the crimped portion 11 of the back fabric 3.
• Step (3) Joining the shoulder portion of the front fabric 2 and the shoulder portion of the back fabric 3. Details of steps (1) to (3) will be explained.
• the front fabric 2 and the back fabric 3 have, from the bottom up, an inner layer 32, an intermediate layer 31, a moisture permeation control layer 33, and a front layer 30 (see Figures 20 and 21).
• the front fabric 2 and the back fabric 3 are available in a variety of sizes, from small to large.
• FIG. 23 is a diagram schematically illustrating a method for manufacturing the front fabric 2 and the back fabric 3. As shown in STEP 1 of Figure 23, the inner layer 32, intermediate layer 31, moisture permeation control layer 33, and outer layer 30 of the outer fabric 2 and the inner fabric 3 are each cut out from a roll of fabric.
• the substrates 220 for the inner layer 32, the intermediate layer 31, the moisture permeation control layer 33, and the surface layer 30 are cut out from the roll of fabric for the inner layer 32, the roll of the intermediate layer 31, the roll of the moisture permeation control layer 33, and the roll of the surface layer 30, respectively.
• a pressure-bonding portion 11 is arranged on the outer edge of the front fabric 2.
• a conductive first mold 201 is disposed above the outer fabric 2
• a conductive second mold 202 is disposed below the outer fabric 2.
• a high frequency generator 210 is disposed between the first mold 201 and the second mold 202, and the high frequency generator 210 is electrically connected to the first mold 201, and the high frequency generator 210 is electrically connected to the second mold 202.
• the first mold 201 has a first mold base 201a and a first mold protrusion 201b.
• the first mold base 201a is a plate-shaped substrate.
• the first mold protrusion 201b is a protrusion that protrudes from the first mold base 201a in correspondence with the pressure-bonded portion 11 of the outer fabric 2.
• the second mold 202 has a second mold base 202a and a second mold protrusion 202b.
• the second mold base 202a is a plate-shaped substrate.
• the second mold protrusion 202b is a protrusion that protrudes from the second mold base 202a in correspondence with the pressure-bonded portion 11 of the outer fabric 2.
• the cut-out substrates 220 of the inner layer 32, intermediate layer 31, moisture permeation control layer 33, and front layer 30 are laminated in this order on the second mold 202.
• the area corresponding to the crimping portion 11 is sandwiched between the first mold projection 201b and the second mold projection 202b.
• high frequency power is supplied to the first mold 201 and the second mold 202 by the high frequency generator 210 .
• the high frequency power is transmitted to the first mold convex portion 201b and the second mold convex portion 202b.
• the moisture permeation control layer 33 inside the outer fabric 2 is heated by high frequency power from the first mold convex portion 201b and the second mold convex portion 202b, and the moisture permeation control layer 33 is melted. It should be noted that a part of the surface layer 30 and a part of the inner layer 32 may be melted by the high frequency power of the first mold convex portion 201b and the second mold convex portion 202b.
• the high frequency power from the high frequency generator 210 is stopped, and the first mold 201 is moved upward and/or the second mold 202 is moved downward. Then, the outer fabric 2 is pulled out from between the first mold 201 and the second mold 202.
• the heated moisture permeation control layer 33, part of the outer layer 30, and/or part of the inner layer 32 are allowed to cool naturally, and the outer layer 30, the moisture permeation control layer 33, and the inner layer 32 are bonded together.
• the area where the outer layer 30, the moisture permeation control layer 33, and the inner layer 32 are bonded together becomes the pressed portion 11 on the outer edge of the outer fabric 2.
• the pressed portion 11 of the water retention portion 13 is also produced in a similar manner. As described above, the pressed portion 11 on the outer edge of the front fabric 2 and the pressed portion 11 of the water retaining portion 13 are produced in one operation using one set of molds, the first mold 201 and the second mold 202.
• the pressed portion 11 on the outer edge of the back fabric 3 and the pressed portion 11 of the water retention portion 13 are also produced in one operation using one set of molds, namely, the third mold 203 and the fourth mold 204.
• the second crimping step is basically the same as the first crimping step, so a description of the second crimping step will be omitted.
• FIG. 22 is a diagram schematically illustrating the process of joining the shoulder portion of the front fabric 2 and the shoulder portion of the back fabric 3.
• the shoulder portion of the outer fabric 2 has an outer layer 30a, a moisture permeation control layer 33a, an intermediate layer 31a, and an inner layer 32a.
• the position P of the end of the inner layer 32a is shifted to the right on the paper from the position R of the end of the outer layer 30a, the position R of the end of the moisture permeation control layer 33a, and the position Q of the end of the intermediate layer 31a.
• the shoulder portion of the backing fabric 3 has a front layer 30b, a moisture permeation control layer 33b, an intermediate layer 31b, and an inner layer 32b.
• the position P of the end of the inner layer 32b is shifted to the right on the paper from the position R of the end of the front layer 30b, the position R of the end of the moisture permeation control layer 33b, and the position Q of the end of the intermediate layer 31b.
• An adhesive first tape 211 is attached to the upper side of the front layer 30a and the front layer 30b of the front fabric 2 so as to cover the contact points between the front layer 30a and the front layer 30b.
• an adhesive first tape 211 is attached to the underside of the moisture permeation control layer 33a and the moisture permeation control layer 33b so as to cover the contact points between the moisture permeation control layer 33a of the front fabric 2 and the moisture permeation control layer 33b of the back fabric 3.
• a second adhesive tape 212 is attached to the upper and lower sides of the inner layer 32a and the inner layer 32b of the outer fabric 2 so as to cover the contact points between the inner layer 32a and the inner layer 32b of the inner fabric 3.
• the fifth mold 215 is disposed above the front fabric 2 and the back fabric 3 .
• the fifth mold 215 has a fifth mold base 215a, a fifth mold first convex portion 215b1, and a fifth mold second convex portion 215b2.
• the fifth mold base 215a is a plate-shaped substrate, and the fifth mold first convex portion 215b1 and the fifth mold second convex portion 215b2 are convex portions protruding from the fifth mold base 215a.
• the sixth mold 216 is disposed below the front fabric 2 and the back fabric 3 .
• the sixth mold 216 has a sixth mold base 216a, a sixth mold first convex portion 216b1, and a sixth mold second convex portion 216b2.
• the sixth mold base 216a is a plate-shaped substrate, and the sixth mold first convex portion 216b1 and the sixth mold second convex portion 216b2 are convex portions protruding from the sixth mold base 216a.
• a high-frequency generator 210 (not shown) is disposed between the fifth mold 215 and the sixth mold 216, and the high-frequency generator 210 is electrically connected to the fifth mold 215, and the high-frequency generator 210 is electrically connected to the sixth mold 216.
• the joining step is the same as the first and second pressure-bonding steps.
• the differences between the joining step and the first and second pressure-bonding steps will be described below.
• the two first tapes 211 are sandwiched between the first convex portion 215b1 of the fifth mold and the first convex portion 216b1 of the sixth mold.
• the two second tapes 212 are sandwiched between the fifth mold second convex portion 215b2 and the sixth mold second convex portion 216b2.
• high frequency power is supplied to the fifth mold 215 and the sixth mold 216 by the high frequency generator 210 to melt the first tape 211 and the second tape 212 .
• the shoulder portion of the front fabric 2 and the shoulder portion of the back fabric 3 are joined together.
• the shoulder joining process is performed in one step using one set of molds, the fifth mold 215 and the sixth mold 216.
• the above-described embodiment can prevent water in the intermediate layer 31 from leaking out of the front fabric 2 and/or the back fabric 3 from the joint between the shoulder portion of the front fabric 2 and the shoulder portion of the back fabric 3.
• the first tape 211 and the second tape 212 are shifted in position so that they do not overlap, thereby ensuring reliable high-frequency welding.
• the first tape 211 may be provided only on either the upper side of the front layer 30 or the lower side of the moisture permeation control layer 33 .
• the second tape 212 may be provided only on either the upper side of the inner layer 32 or the lower side of the inner layer 32 .
• the cooling suit 1 when the cooling suit 1 is worn on the body, the upper side of the outer layer 30 is pulled at the shoulders, making it easy to avoid the upper side of the outer layer 30. Therefore, it is effective to provide the first tape 211 on the upper side of the outer layer 30.
• the second tape 212 is advantageously disposed on top of the inner layer 32 .
• the eleventh embodiment aims to improve the cooling suit 1 of the tenth embodiment.
• FIG. 24A is a schematic front view of the cooling suit 200 in embodiment 11
• FIG. 24B is a schematic back view of the cooling suit 200 in embodiment 11
• FIG. 25 is a schematic view of the cooling suit 200 in embodiment 11 in an unfolded state.
• the intermediate layer 31 of the outer fabric 2 does not cover the upper half of the body, i.e., the abdomen and thorax, as shown in FIG. 20, but rather covers only the thorax.
• the back fabric 3 covers the waist and back as shown in FIG.
• the front and back fabrics 2 and 3 of the cooling suit 200 are continuous, with no joint between the front and back fabrics 2 and 3.
• the outer layer 30, the moisture permeability control layer 33, the intermediate layer 31, and the inner layer 32 are each made from a single piece of material, and when a person puts on the cooling suit 200, the outer layer 30, the moisture permeability control layer 33, the intermediate layer 31, and the inner layer 32 each bend at the shoulders.
• the fabric on the front side of the body (left side of the paper) from the shoulder (dashed line) is defined as the outer fabric 2
• the fabric on the back side of the body (right side of the paper) from the shoulder is defined as the inner fabric 3.
• the front fabric 2 of embodiment 11 covers the thorax.
• Two meshes are provided on the left and right sides of the lower side of the front fabric 2 so as to cover the abdomen.
• a mesh pocket 215 is provided on the outside of each of the two meshes.
• the pocket 215 can be opened and closed with a Velcro (registered trademark) provided on the upper inside of the pocket 215.
• the lining fabric 3 of embodiment 11 covers the waist and back.
• a water inlet 20 is provided on the upper side of the lining fabric 3, and a cap-type drain outlet 22 is provided on the lower side of the lining fabric 3.
• the back fabric 3 has a first inclined pressure-bonded portion 11A1 and a second inclined pressure-bonded portion 11A2 provided between the water inlet 20 and the drain outlet 22 in the direction of the center line 92.
• the first inclined pressure-bonding portion 11A1 and the second inclined pressure-bonding portion 11A2 are provided symmetrically with respect to the center line 92 and are inclined obliquely downward with respect to a horizontal line perpendicular to the center line 92.
• a gap 12 is provided around the first inclined pressure-bonding portion 11A1 and the second inclined pressure-bonding portion 11A2.
• the water in the intermediate layer 31 that has moved downward comes into contact with the first inclined pressure-bonding portion 11A1 and the second inclined pressure-bonding portion 11A2, and moves obliquely downward along the first inclined pressure-bonding portion 11A1 and the second inclined pressure-bonding portion 11A2.
• Water in the intermediate layer 31 moves downward from the gap 12 between the lower end of the first inclined pressure-bonding portion 11A1 and the pressure-bonding portion 11 and the gap 12 between the lower end of the second inclined pressure-bonding portion 11A2 and the pressure-bonding portion 11.
• the first inclined pressure-bonding portion 11A1 and the second inclined pressure-bonding portion 11A2 can prevent the water in the intermediate layer 31 from moving vertically downward due to gravity.
• the water in the intermediate layer 31 can move diagonally downward and be retained in the intermediate layer 31 for a long time, allowing the body to be cooled for a long time.
• the first oblique pressure-bonding portion 11A1 and the second oblique pressure-bonding portion 11A2 are not connected but separated from each other, and an intermediate layer 31 is provided between the first oblique pressure-bonding portion 11A1 and the second oblique pressure-bonding portion 11A2. Since water moves downward from the intermediate layer 31, water can be distributed throughout the entire intermediate layer 31 below the first inclined pressure-bonding portion 11A1 and the second inclined pressure-bonding portion 11A2. In addition, the water in the intermediate layer 31 below the first inclined pressure-bonding portion 11A1 and the second inclined pressure-bonding portion 11A2 is not subjected to pressure from above, and therefore is less likely to move downward.
• the front layer 30, the moisture permeation control layer 33, the intermediate layer 31, and the inner layer 32 of the front fabric 2 and the back fabric 3 are each made of a single piece of material, so there are no joints in the shoulders of the cooling suit 200. As a result, the joints do not peel off, and water in the intermediate layer 31 can be prevented from leaking out through the joints.
• the cooling suit 200 may have the configurations shown in FIGS. 9A, 9B, 10A, and 10B.
• FIG. 26A is a schematic diagram of the cooling suit 250 of the twelfth embodiment in a state where the front fabric 2 and the back fabric 3 are spread out
• FIG. 26B is a schematic cross-sectional view taken along the line DD of FIG. 26A.
• the back fabric 3 is provided with the water inlet 20 and the drain outlet 22 shown in FIG. 24B.
• one or more rectangular water passages 230 (dashed line portions) shown by dashed lines are provided in the shoulder portion (cross section D-D) of the cooling suit 250 (in Figure 26A, there are four water passages 230).
• the cross section of the water passage 230 is also rectangular.
• the water passage 230 is a space in the shoulder portion of the cooling suit 250 where the intermediate layer 31 has been removed.
• the shape of the water passage 230 is not limited as long as it allows water to pass through.
• the water in the intermediate layer 31 passes through the shoulder portion and moves from the intermediate layer 31 of the back-side fabric 3 to the intermediate layer 31 of the front-side fabric 2, most of the water in the intermediate layer 31 can pass through the space, the water passage 230. Therefore, the water in the intermediate layer 31 can move smoothly from the intermediate layer 31 of the back-side fabric 3 to the intermediate layer 31 of the front-side fabric 2.
• the thickness of the shoulder portion of the cooling suit 250 is narrow, so providing the water passage 230 is effective.
• the cooling suit 200 of the eleventh embodiment is configured such that the intermediate layer 31 covers only the thorax
• the intermediate layer 31 may also be configured to cover the thorax and abdomen.
• the person may not wear the cooling suit 250, but may place it on a desk, table, etc., and with the front fabric 2 and back fabric 3 of the cooling suit 250 spread out, the water may be moved from the middle layer 31 of the back fabric 3 to the middle layer 31 of the front fabric 2.
• the water passage 230 can also be applied to an embodiment in which the outer fabric 2 covers the abdomen and chest, such as the cooling suit 1 of FIG.
• the cooling suit 250 may have the configurations shown in FIGS. 9A, 9B, 10A, and 10B.
• the thirteenth embodiment is a hat 300 that is different from the fourth embodiment.
• the hat 60 has a continuous crimped portion 68 around the outer edge of the lower portion of the hat 60 (FIG. 12A).
• the hat 300 has a plurality of partial crowns 401 each having a substantially triangular shape, and the pressure-bonding portions 68 are arranged on the outer edges of the plurality of partial crowns 401 (FIG. 27).
• Figure 27 is a schematic front view of another hat 300 in embodiment 13
• Figure 28 is a schematic right side view of another hat 300 in embodiment 13
• Figure 29 is a schematic left side view of another hat 300 in embodiment 13
• Figure 30 is a schematic plan view of another hat 300 in embodiment 13
• Figure 31 is a schematic back view of another hat 300 in embodiment 13
• Figure 32 is a schematic development view of the crown 61 in embodiment 13.
• hat 300 has crown 61 and brim 62.
• the crown 61 has a plurality of substantially triangular partial crowns 401 , a flat portion 406 , a water inlet/outlet port 463 , and a length adjustment member 66 .
• the water inlet/outlet 463 is disposed at the apex of the crown 61, protrudes from the crown 61 in the same manner as the water inlet 63 in Fig. 12A, and supplies water to and drains water from the intermediate layer 31.
• the water inlet/outlet 463 has the functions of both the water inlet 63 and the water outlet 64 of the fourth embodiment.
• the water inlet/outlet port 463 is preferably circular.
• the hat 300 of the thirteenth embodiment has the same configuration as the hat 60 of the fourth embodiment.
• FIG. 32 there are six partial crowns 401, from partial crown 401-1 to partial crown 401-6.
• a gap 402 (for example, 402-1) which is a space is provided between two adjacent partial crowns 401 (for example, 401-1, 401-2).
• the notch 402 is roughly triangular in shape with its apex near the top of the crown 61 and its base at the bottom of the crown 61 .
• the cut 402 is a space created by preparing a circular crown 61 with no gap and cutting out a roughly triangular shape from the bottom to near the top of the circular crown 61.
• a continuous crimping portion 68 is provided on the outer edge of each of the partial crowns 401 (401-1 to 401-6).
• Each of the partial crowns 401 (401-1 to 401-6) has a seam allowance 405 (405-1 to 405-6, respectively) on the outside of the pressure-bonding portion 68 (in the direction away from the apex of the crown 61).
• the seam allowance 405-1 is made up of three seam allowances: a right seam allowance 405-1R, a center seam allowance 405-1C, and a left seam allowance 405-1L.
• each of the seam allowances 405-2 to 405-6 is made up of three right seam allowances, a center seam allowance, and a left seam allowance.
• the right seam allowance (405-1R, ..., 405-6R) and the left seam allowance (405-1L, 405-2L, ..., 405-6L) are formed in a convex arc shape to give the hat 300 a three-dimensional shape.
• the right seam allowance (for example, 405-1R) and the left seam allowance (for example, 405-2L) are overlapped, and the overlapped right seam allowance (for example, 405-1R) and the left seam allowance (for example, 405-2L) are sewn together, thereby forming the seamless, three-dimensional hat 300 by seams 404-1 to 404-6, which will be described later.
• Each of the seam allowances 405 (405-1 to 405-6) has a seam 403 provided thereon.
• the seams 403 basically join the front fabric 2 and the back fabric 3 together at each of the seam allowances 405 (405-1 to 405-6).
• first moisture permeability control layer 33a and/or the second moisture permeability control layer 33b shown in FIG. 10A may be provided between the front fabric 2 and the back fabric 3, and the first moisture permeability control layer 33a and/or the second moisture permeability control layer 33b may be fixed between the front fabric 2 and the back fabric 3 by a seam 403.
• FIG. 33 is a schematic enlarged view of the vicinity of the seam 404-6 of the hat 300 in the thirteenth embodiment.
• the seam 404-6 which is the seam 403, is where the left seam allowance (405-1L) and the right seam allowance (405-6R) are overlapped and sewn together (the diagram at the bottom right of FIG. 33).
• the left seam allowance (405-1L) and the right seam allowance (405-6R) are sewn together without any gaps by the seam 403 (seam 404-6).
• the seam 403 (seam 404-6) extends from the bottom of the crown 61 to the top of the crown 61.
• the end (solid line) of the seam allowance 405-1L is located on the right side of the seam 404-6. On the left side of the seam 404-6, below the seam allowance 405-1L, the end of the seam allowance 405-6R (dashed line) is located.
• seams 404-1 to 404-5 have their right seam allowances (405-1R to 5R) and left seam allowances (405-2L to 6) sewn together without any gaps.
• the fabric for the hat 300 shown in the development view of FIG. 32 is prepared.
• the fabric has at least a front layer 30 , a middle layer 31 , an inner layer 32 , and a pressure-bonded portion 68 .
• S2 Next, as shown in FIG. 33, the right seam allowance (405-6R) and the left seam allowance (405-1L) are overlapped with each other so that the right seam allowance (405-6R) is on the bottom.
• S3 The overlapping right seam (405-6R) and left seam (405-1L) are sewn from the bottom to near the top of the crown 61.
• the location where the right seam (405-6R) and left seam (405-1L) are sewn becomes a seam 404-6 from the bottom to near the top of the crown 61.
• the end (solid line) of the seam allowance 405-1L is located on the right side of the seam 404-6.
• the end of the seam allowance 405-6R (dashed line) is located.
• the part where the right seam (405-1R) and left seam (405-2L) are sewn becomes the seam 404-1.
• S5 Next, in the same manner as above, the right seam allowance (405-2R) and the left seam allowance (405-3L), the right seam allowance (405-3R) and the left seam allowance (405-4L), and the right seam allowance (405-4R) and the left seam allowance (405-5L) are overlapped and sewn together in this order.
• the crown 61 takes on a three-dimensional shape, and a flat portion 406 is formed near the apex of the crown 61 . As shown in FIG.
• the vertex of the cut 402-1 is defined as P1, the vertex of the cut 402-2 as P2, the vertex of the cut 402-3 as P3, the vertex of the cut 402-4 as P4, the vertex of the cut 402-5 as P5, and the vertex of the cut 402-6 as P6.
• the flat portion 406 is circular and includes vertices P1 to P6.
• a water inlet/outlet port 463 without a lid is provided in the center of the flat portion 406 as a hole for pouring water.
• S6 The central seam allowance 405-1C to central seam allowance 405-6C at the bottom of the three-dimensional crown 61 are sewn to form a continuous seam 403.
• S7 Finally, the center seam allowance 405-1C, the center seam allowance 405-2C, and the brim 62 are sewn on.
• the hat 300 is completed through the above steps S1 to S7.
• the hat 300 is formed three-dimensionally, and water is supplied to the intermediate layer 31 from the water inlet/outlet 463 located at the apex of the crown 61, allowing the supplied water to spread evenly throughout the partial crowns (401-1 to 401-6).
• step S2 the right seam allowance (405-6R) and the left seam allowance (405-1L) may be overlapped so that the left seam allowance (405-1L) is on the bottom.
• Step S3 may also be the same as step S2.
• partial crown 401-1 and partial crown 401-2 may be formed as a single partial crown, and the flange 62 may be provided on the single formed partial crown.
• the water inlet/outlet port 463 is an open-topped water inlet/outlet port 463, but a lid may be provided on the water inlet/outlet port 463 to prevent water from leaking out of the intermediate layer 31.
• the hat 300 may also be made without the brim 62. In that case, it can be used as an inner cap for a helmet.
• black is not recommended for the hat 300, as it absorbs heat from direct sunlight.
• a waterproof and breathable inner layer may also be used. This allows the steam from the intermediate layer 31 to be directly applied to the person's head. As a result, the steam that hits the head becomes moisture and adheres to the head. The moisture that adheres to the head is then evaporated, thereby cooling the head.
• the hat 310 supplies water from at least one water inlet/outlet 463 to two adjacent partial crowns (for example, the partial crown 401-1 and the partial crown 401-2).
• FIG. 34 is a schematic plan view of another hat 310 according to the fourteenth embodiment.
• one water inlet/outlet 463-1 is not circular but has a longitudinally elongated shape (here, rectangular), and is arranged so as to span both the top of two adjacent partial crowns 401-1 and the top of partial crown 401-2.
• the water inlet/outlet port 463-1 can simultaneously supply water to two adjacent partial crowns 401-1 and 401-2.
• the water inlet/outlet 463-2 can simultaneously supply water to two adjacent partial crowns 401-3 and 401-4.
• the water inlet/outlet 463-3 can supply water to two adjacent partial crowns 401-5 and 401-6 simultaneously.
• the configuration other than the above is the same as that of the thirteenth embodiment.
• the water inlet/outlet port 463 may extend across three or more adjacent partial crowns 401 (for example, partial crown 401-1, partial crown 401-2, partial crown 401-3) and supply water to three or more adjacent partial crowns 401 simultaneously. Furthermore, as shown in Figure 15, one water inlet 63 (which also functions as a water inlet and drain outlet) may be provided in one section (partial crown 401), and this one water inlet 63 may be combined with the above-mentioned water inlet and drain outlet 463.
• water can be supplied from at least one water inlet/outlet 463 to a plurality of adjacent partial crowns 401 .
• water can be supplied to two adjacent partial crowns 401 (partial crown 401-1 and partial crown 401-2) from one water inlet/outlet 463-1.
• water can be distributed uniformly over the partial crowns 401 (401-1 to 401-6).
• the fifteenth embodiment is a hat 500 that is mainly worn under a helmet and on the head, and is in the form of a hat 500 that can cool the head.
• the hat 500 is the same as the hat 300 of the thirteenth embodiment except that the brim 62, the length adjusting member 66, and the water inlet and outlet port 463 are eliminated, and only the crown 61 is retained.
• the hat 500 may be worn alone on the head without a helmet.
• the Aqua Inner Cap manufactured by Toyo Bussan Co., Ltd. has been known as a hat for cooling the head as described above.
• the Aqua Inner Cap requires wetting the entire hat with water and then putting the wet hat on the head, so there was room for improvement as hair gets wet.
• the hat 500 of the fifteenth embodiment solves the above-mentioned problems.
• Figure 35 is a schematic front view of another hat 500 in embodiment 15
• Figure 36 is a schematic right side view of another hat 500 in embodiment 15
• Figure 37 is a schematic plan view of another hat 500 in embodiment 15
• Figure 38 is a schematic back view of another hat 500 in embodiment 15
• Figure 39 is a schematic perspective view of another hat 500 in embodiment 15 in an upside-down state.
• the crown 61 of the fifteenth embodiment has a plurality of partial crowns 501 (501-1 to 501-5).
• the partial crowns 501 (501-1 to 501-5) are generally triangular in shape.
• a crimping portion 68 is disposed on the outer edge of each of the partial crowns 501 (501-1 to 501-5) (FIG. 37).
• the crimped portion 68 is a continuous line. Radially outward of the crimped portion 68 is a crown edge 550.
• the crown edge 550 is a portion where water is not retained.
• the partial crowns 501 (501-1 to 501-5) are provided with a water inlet 563 and a water holding section 65 that supply water to the intermediate layer 31.
• the water inlet 563 is a hole that penetrates the front layer 30 and the moisture permeation control layer 33 . Therefore, when observed from the surface of the crown 61, the intermediate layer 31 is visible.
• the user inserts the tip of a syringe or dropper filled with water into the water inlet 563 and supplies water from the syringe, dropper, or the like to the intermediate layer 31 .
• the size of the water injection port 563 is slightly larger than the tip of a syringe or a dropper.
• the water in the intermediate layer 31 may be discharged from the water inlet 563. In this case, the water inlet 563 functions as a drainage port, and the water inlet 563 functions as a water inlet/drainage port.
• partial crowns 501 there are five partial crowns 501, namely, partial crown 501-1 to partial crown 501-5. Between two adjacent portions (for example, partial crowns 501-1 and 501-2), there are cuts 502 (cuts 502-1 to 502-5) which are stitching portions for forming the hat 500 into a three-dimensional shape.
• notch 502-1 extending from the apex of the crown 61 to the tip of the bottom of the crown 61.
• the notch 502-1 can separate the partial crown 501-1 and the partial crown 501-2 at the bottom of the crown 61.
• each of cuts 502-2 to 502-5 is a stitched portion extending from the apex of the crown 61 to halfway up the tip of the bottom of the crown 61 (a position about two-thirds of the way up from the apex of the crown 61), and not extending to the tip of the bottom of the crown 61.
• the hat 500 is made in the same way as a general hat, so the explanation will be omitted.
• seams 504 (seams 504-1 to 504-5) are sewn to secure the portion protruding from cuts 502 (cuts 502-1 to 502-5) to crown 61.
• the seams 504 (seams 504-1 to 504-5) are sewn at positions counterclockwise from the cuts 502 (cuts 502-1 to 502-5).
• the seams 504 (seams 504-1 to 504-5) may be sewn at positions clockwise from the cuts 502 (cuts 502-1 to 502-5).
• a crown neck reinforcing member 540 is fixed to the edge of the neck of the crown 61 by a crown neck seam 541.
• a crown bottom reinforcing member 530 is fixed to the bottom edge of the crown 61 by a crown bottom seam 531 .
• the configuration of the hat 500 of embodiment 15 is the same as the configuration of the hat 300 of embodiment 13.
• the above aspect provides a hat 500 that cools the head without wetting the hair.
• the sixteenth embodiment is a hat 600 in which water can be easily supplied to the intermediate layer 31 through the water inlet 563 of the fifteenth embodiment.
• FIG. 40 is a schematic front view of another hat 600 according to the sixteenth embodiment
• FIG. 41 is a schematic right side view of another hat 600 according to the sixteenth embodiment.
• the intermediate layer 31 near the water inlet 563 is removed over an area wider than the water inlet 563 to provide a crown groove 564 which is a space without the intermediate layer 31.
• the hat 600 has crown grooves 564 provided on the upper portions of the partial crowns 501 (partial crowns 501-1 to 501-5). It is sufficient that there is at least one crown groove 564 .
• the configuration of the hat 600 of the sixteenth embodiment is the same as that of the hat 500 of the fifteenth embodiment.
• the tip of a syringe or a dropper can be easily inserted deep into the crown groove 564, and water can be easily supplied to the intermediate layer 31.
• the hat 600 has an excellent design because the intermediate layer 31 is not visible.
• the intermediate layer 31 has a whitish color
• the inner layer 32, or the inner layer 32 on which the first moisture permeation control layer 32 is formed has a blackish color. Since the hat 600 does not have an intermediate layer 31 near the water inlet 563, what is visible from the water inlet 563 is the dark inner layer 32 or the inner layer 32 on which the first moisture permeability control layer 32 is formed, making the color of the water inlet 563 less noticeable.
• the seventeenth embodiment is a form of a hat 650 in which water can be easily supplied to the intermediate layer 31 from a plastic bottle or a water faucet, rather than from a dropper, for more efficient water supply.
• FIG. 42 is a schematic front view of another hat 650 according to the seventeenth embodiment.
• hat 650 has water inlet 651 made of mesh with a larger area than water inlet 563 provided at the top of partial crown 501 (partial crowns 501-1 to 501-5). At least one water inlet 651 is sufficient.
• the configuration of the hat 650 of the seventeenth embodiment is the same as that of the hat 500 of the fifteenth embodiment.
• chilled bottled water or the like can be supplied to the intermediate layer 31 in a short time through the mesh water inlet 651. Furthermore, the water can be easily drained when replacing it.
• the radiative cooling material 85 of embodiment 8 may also be used for the hats 300 and 310 of embodiments 13 and 14.
• all or part of the hats 60, 70, 80, and 90 of embodiments 4 to 9 be treated with antibacterial and deodorizing agents.
• the front fabric 2 and the back fabric 3 have four layers, namely, the front layer 30, the moisture permeability control layer 33, the intermediate layer 31, and the inner layer 32, but it is also possible for only one of the front fabric 2 or the back fabric 3 to have these four layers.
• the back fabric 3 has the four layers
• the back fabric 3 has a pressure-bonded portion 11 around its periphery
• the pressure-bonded portion 11 surrounds the intermediate layer 31, and the pressure-bonded portion 11 has the four layers inside.
• Almost all of the front fabric 2 is made of mesh, and the front fabric 2 does not have the four layers.
• the mesh size of the outer fabric 2 is the same as the mesh size of the left fabric 4 or the mesh size of the right fabric 5.
• the mesh size of the outer fabric 2 may be coarser or finer than the mesh size of the left fabric 4 or the mesh size of the right fabric 5.
• the front fabric 2 or the back fabric 3 is made of mesh, sweat that evaporates from the body can be expelled through the mesh, reducing stuffiness caused by sweat.
• the mesh is less likely to absorb sweat odors.
• water is supplied to the intermediate layer 31 of only one of the front fabric 2 or the back fabric 3, the amount of water to be injected can be reduced, and the weight of the cooling suit 1, 100 can be reduced. The above effect is particularly effective during hot seasons such as summer.
• the front fabric 2 may have the four layers, and the back fabric 3 may be made almost entirely of mesh.
• the left fabric 4 and the right fabric 5 are made of a stretchable material, but the stretchable material may also be provided with an adjuster that allows for length adjustment.
• the left fabric 4 and the right fabric 5 may be made of a non-stretchable material and provided with an adjuster.
• the water inlet 20 or the drain outlet 21 in FIG. 3 may be configured with the cap in FIG. 7 may be configured with the water inlet 20 or the water outlet 21 of FIG.
• the material of the inner layer 32 and/or the material of the outer layer 30 is/are provided with antistatic properties by using antistatic yarn or the like.
• the present disclosure may also include the following embodiment in which the material of the inner layer 32 and/or the material of the outer layer 30 does not use antistatic yarn or the like.
• This embodiment uses a spin tape that has an anti-static (anti-charging) effect.
• the spin tape has a conductive material kneaded into the fibers of the conductive thread.
• the spin tape is used by being sewn onto the front and/or back surface of the garment.
• the spin tape may also be adhered to the front and/or back surface of the garment by bonding, joining, welding, or the like.
• "STA-GUARD SPIN TAPE” manufactured by Tokai Thermo Co., Ltd. can be used as the spin tape.
• For the spin tape for example, "STC60" manufactured by SHINDO Corporation can be used.
• the spin tape can be attached to any position on the cooling suit, such as the shoulders, armpits, or sides.
• the cooling suit 1 and the air-conditioning suit 50 are layered on top of each other, but the cooling suit 1 may also be layered on top of other clothing items.
• the clothing items are layered on the outside of the cooling suit 1.
• Such clothing includes blousons, jackets, work clothes, suits, polo shirts, dress shirts, overalls, white coats (doctor's coats), chef coats, kimonos, firefighter uniforms, and costumes.
• the clothing may be placed inside the cooling suit 1, 100.
• the present disclosure includes the cooling garments and cooling garment sets described in the following items.
• a cooling suit having an outer fabric disposed on the front side of a body and an inner fabric disposed on the back side of the body,
• the front fabric or the back fabric is a waterproof inner layer positioned adjacent to the body; an intermediate layer made of a nonwoven fabric disposed on the outside of the inner layer and configured to absorb and store the absorbed water; a breathable outer layer disposed outside the intermediate layer; a moisture permeation control layer disposed between the intermediate layer and the outer layer, formed on the surface of the outer layer, and configured to limit the amount of vapor released from the intermediate layer; a plurality of water retaining portions for temporarily storing the water;
• the water retaining portion is A hole penetrating the front fabric or the back fabric at the center; a first pressure-bonding portion that tightly adheres the inner layer, the moisture permeation control layer, and the outer layer around the hole; a first gap located around the first pressure-bonding portion and between the outer layer and the inner layer; According to the above aspect, sweat from the body is discharged to the outside of the cooling
• the outer edge of the front fabric or the back fabric further includes a second pressure-bonding portion that confines the intermediate layer and tightly bonds the inner layer, the moisture permeation control layer, and the front layer together, Item 2.
• the cooling garment according to item 1 wherein the second pressure-bonded portion on the outer edge of the front fabric or the back fabric surrounds the intermediate layer via a second gap.
• the second gap allows the intermediate layer to move to the left and right to a certain extent even when the user twists their body, so that the user can twist their body easily without putting any strain on their body.
• a cooling suit having an outer fabric disposed on the front side of a body and an inner fabric disposed on the back side of the body,
• the front fabric or the back fabric is a breathable outer layer positioned away from the body; an intermediate layer made of a nonwoven fabric disposed inside the outer layer and configured to absorb and store the absorbed water; a breathable and waterproof inner layer disposed inside the intermediate layer; a first moisture permeation control layer disposed between the intermediate layer and the inner layer and formed on the outer side of the inner layer, the first moisture permeation control layer limiting the amount of vapor released from the intermediate layer; a second moisture permeation control layer disposed between the intermediate layer and the outer layer, formed on the surface of the outer layer, and configured to limit the amount of vapor released from the intermediate layer; a plurality of water retaining portions for temporarily storing the water;
• the water retaining portion is A hole penetrating the front fabric or the back fabric at the center; a third pressure-bonded portion that tightly adheres the inner layer, the first moisture permeation control
• the intermediate layer is positioned by the pressure-bonding portions (third pressure-bonding portions) of the multiple water holding portions, the intermediate layer can be prevented from moving up and down or left and right even when the user moves their body.
• the outer edge of the front fabric or the back fabric further includes a fourth pressure-bonded portion that confines the intermediate layer and tightly bonds the inner layer, the first moisture permeation control layer, the second moisture permeation control layer, and the outer layer together; Item 4.
• the fourth gap allows the intermediate layer to move to the left and right to a certain extent even when the user twists their body, so that the user can twist their body easily without putting any strain on their body.
• the inner layer is positioned closest to the body; 5.
• the cooling suit according to any one of items 1 to 4, wherein the outer layer is disposed at a position farthest from the body.
• sweat from the body is discharged to the outside of the cooling suit by the plurality of holes in the water holding portion, thereby preventing the cooling suit from becoming stuffy.
• the intermediate layer is positioned by the pressure-bonded portions of the multiple water holding portions, the intermediate layer can be prevented from moving up and down or left and right even when the user moves their body.
• the cooling suit according to any one of items 1 to 5, wherein the moisture permeability (JIS L 1099:2012 A-1 method) of the front fabric or the back fabric, which represents the amount of water that evaporates from the intermediate layer per hour per square meter, is 12.5 or more and 62.5 or less.
• the moisture permeability (JIS L 1099:2012 A-1 method) of the front fabric or the back fabric is 12.5 or more and 62.5 or less.
• a cooling garment set comprising the cooling garment according to any one of items 1 to 7, positioned close to the body when worn on the body, and air-conditioning clothing attached to the outside of the cooling garment and configured to lower the temperature of the body using a blower fan.
• the air-conditioning suit's blower fan blows outside air onto the surface of the cooling suit, accelerating the evaporation of water in the cooling suit and enabling the body temperature to be lowered quickly.
• a hat for cooling the head having a crown
• the crown is a waterproof inner layer positioned proximate to the head; an intermediate layer made of a nonwoven fabric disposed on the outside of the inner layer and configured to absorb and store the absorbed water; a breathable outer layer disposed outside the intermediate layer; a crimping portion that crimps the outer layer and the inner layer together so as to surround the intermediate layer below the crown,
• the hat has a water inlet at the apex of the crown for supplying water to the intermediate layer.
• water is supplied to the intermediate layer from the water inlet located at the apex of the crown, so that water can be distributed uniformly over the entire crown.
• a hat for cooling the head having a crown
• the crown has a plurality of partial crowns; two adjacent partial crowns of the plurality of partial crowns are overlapped and sewn together from a lower portion to a vicinity of an upper portion,
• Each of the plurality of partial crowns is a waterproof inner layer positioned proximate to the head; an intermediate layer made of a nonwoven fabric disposed on the outside of the inner layer and configured to absorb and store the absorbed water; a breathable outer layer disposed outside the intermediate layer;
• the hat has a crimping portion that crimps the outer layer and the inner layer together so as to surround the intermediate layer at its outer edge.
• the partial crown can be used to give the crown a three-dimensional shape so that the crown fits to the person's head.
• the partial crown can be uniformly spread over the entire surface.
• the crown has a flat portion at an upper portion, Item 11.
• the crown since the crown has a flat portion at the top, it is easy to provide a water inlet at the flat portion. Furthermore, since the water inlet provided on the flat portion is stable, it is easy to supply water to the water inlet.
• a first moisture permeation control layer disposed between the outer layer and the intermediate layer and formed on the surface of the outer layer, or a second moisture permeation control layer disposed between the intermediate layer and the inner layer and formed on the surface of the inner layer, 12.
• the hat according to any one of items 9 to 11, wherein the first moisture permeation control layer or the second moisture permeation control layer limits the amount of vapor released from the intermediate layer.
• the first moisture permeation control layer or the second moisture permeation control layer can uniformly cool the entire hat.
• the present disclosure is a cooling garment that can achieve the third goal of the Sustainable Development Goal (SDG), which is to "ensure healthy lives and promote well-being for all at all ages.”
• SDG Sustainable Development Goal
• the cooling suit disclosed herein is energy-efficient as it does not use electricity, and can evenly and gently cool the bodies of people from children to the elderly, preventing heatstroke. This means that it can achieve the third goal of the Sustainable Development Goals (SDGs), which is to "ensure healthy lives and promote well-being for all at all ages,” and contribute to the achievement of the Sustainable Development Goals (SDGs).
• Cooling suit 1
• Outer fabric 3
• Inner fabric 11
• Pressure-bonded portion 20
• Water inlet 21
• Drain port 30
• Outer layer 31
• Intermediate layer 32
• Inner layer 33
• Moisture permeability control layer 33a First moisture permeability control layer
• Second moisture permeability control layer 50
• Air-conditioning suit 51 Fan

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Environmental & Geological Engineering (AREA)
• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Physical Education & Sports Medicine (AREA)
• Professional, Industrial, Or Sporting Protective Garments (AREA)

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Citations (9)

• 2025
  • 2025-04-16 JP JP2025547998A patent/JPWO2025220680A1/ja active Pending
  • 2025-04-16 WO PCT/JP2025/014893 patent/WO2025220680A1/ja active Pending
  • 2025-04-16 CN CN202580003451.7A patent/CN121463892A/zh active Pending

Patent Citations (9)

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