JP2020105675A - mask - Google Patents

Abstract

To provide a mask that prevents water content of a water-containing body from permeating into a heat generating body for heating the water-containing body.SOLUTION: A mask 1 includes: a mask body 2; a water-containing body 3 that contains water; and a heat generating body 4 for heating the water-containing body 3. The mask body 2 includes: a covering part 5 for covering part of a wearer's face; and a bag-like storage part 6 provided at a surface on a face side of the covering part 5 to store the water-containing body 3. The heat generating body 4 is fitted at a surface on a side of the covering part 5 of the storage part 6.SELECTED DRAWING: Figure 2

Description

The present invention relates to a mask worn on the face, and more particularly to a mask that emits steam.

2. Description of the Related Art Conventionally, masks have been widely used as a protective measure against fine dust such as pollen and yellow sand, and as a preventive measure against infection with viruses and bacteria. Also, recently, various masks have been proposed and various masks have been proposed. For example, during sleep, since there is no swallowing of food, drink, saliva, etc., the oral cavity may be easily dried. In addition, the air is generally dry in winter, and even outside of winter, air conditioners are operating in the office year-round. Therefore, even in the daytime, there are many environments where the air is easily dried, and the oral cavity is easily dried.

In order to prevent this, for example, Patent Document 1 discloses a mask having a humidifying function. In the mask of Patent Document 1, a water-containing body containing water and a heating element such as a body warmer that adheres to the water-containing body are attached to a mask body that covers the nose and mouth. By heating a water-containing body containing water with a heating element, warm steam is generated, which humidifies the space between the mask and the face and replenishes the mouth with water, thereby preventing the mouth from drying.

JP, 2000-225205, A

However, in the mask of Patent Document 1, since the body warmer is directly attached to the water-containing body, the water content of the water-bearing body may penetrate into the body warmer, and the heat generation temperature of the body warmer may decrease.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a mask that prevents moisture of a hydrated body from penetrating into a heating element such as a body warmer that heats the hydrated body.

The present invention relates to a mask that is worn on the face and emits steam. A mask of the present invention includes a mask body, a water-containing body containing water, and a heating element for heating the water-containing body, and the mask body includes a cover portion for covering a part of a wearer's face and the cover. A bag-shaped accommodating portion that is provided on the face-side surface of the portion to accommodate the water-containing body, and the heating element is attached to the cover-side surface of the accommodating portion. To do.

In the mask of the present invention, it is preferable that the water-containing body has a size that covers a heat-generating portion of the heat-generating body.

Further, in the mask of the present invention, it is preferable that the mask has an outer shape that is the same as the outer shape of the heat generating portion of the heat generating element, and that it has the same size as the heat generating portion of the heat generating element.

Further, in the mask of the present invention, it is preferable that the accommodating portion is attached to the cover portion at a position lower than an upper edge of the cover portion.

Further, in the mask of the present invention, the accommodating portion includes at least a first layer on the face side into which the water-containing body is inserted and a second layer on the side of the covering portion, and the first layer has moisture permeability. It is preferable that the second layer is impermeable to moisture.

According to the present invention, when the mask is worn, the water-containing body containing water is continuously heated by the heating element to generate warm steam for a long time, which humidifies the space between the mask body and the wearer's face. It Therefore, since the oral cavity is replenished with water, the oral cavity can be prevented from drying for a long time. Here, the water-containing body is housed in the housing portion, while the heating element is attached to the surface of the housing portion on the cover side, and the housing portion is interposed between the water-containing body and the heating element. Therefore, since the water content of the hydrated body is suppressed from permeating in the containing portion, it is possible to prevent the water content of the hydrated body from penetrating into the heating element for heating the hydrated body. As a result, it is possible to prevent a decrease in the heat generation temperature of the heat generating element, and it is possible to effectively heat the hydrated body by the heat generating element and generate good steam.

Further, since the heating element is attached to the cover portion side surface of the accommodating portion, that is, the surface opposite to the face of the accommodating portion, the heating element does not directly contact the wearer's face when wearing the mask, It is possible to prevent the wearer from being burnt on the face or feeling uncomfortable.

It is (A) front view of the mask of this embodiment, and is a (B) rear view. It is a disassembled perspective view of the mask of this embodiment. It is a X1-X1 schematic sectional drawing of FIG. It is a rear view of (A), a front view of (B), and (C) X2-X2 schematic sectional drawing of an accommodation part. It is a (A) front view of a water containing body, and is a (B) side view.

Hereinafter, the actual mode of the present invention will be described with reference to the accompanying drawings. 1 to 3 show the mask 1 of this embodiment. The mask 1 includes a mask body 2 that covers a part of the wearer's face (the area under the eyes, particularly the nose and mouth) when worn, a water-containing body 3, and a heating element 4 for heating the water-containing body 3. Equipped with. The mask body 2 includes a cover portion 5 that covers a part of the wearer's face when worn, and a bag-shaped accommodation portion 6 provided on the face side of the cover portion 5. The water-containing body 3 is housed in the housing portion 6 of the mask body 2 while being heated by the heating body 4. As a result, warm vapor is emitted from the hydrated body 3 when the mask 1 is worn.

The cover portion 5 has a rectangular shape in a plan view in the present embodiment. When the mask 1 is worn, the covering part 5 has an upper edge 50 extending laterally under the eyes of the wearer's face, a lower edge 51 extending laterally under the lower jaw (or below the jaw), an upper edge 50 and a lower edge 51. And left and right side edges 52, 53 for connecting the. The size of the cover portion 5 is not particularly limited, and may be any size as long as the left and right side edges 52, 53 cross the cheek and cover part of the nose, mouth, lower jaw and cheek of the face.

In addition, the cover portion 5 has a flat shape before the mask 1 is worn (when not in use) in this embodiment. That is, the cover portion 5 of the present embodiment has a different structure from the three-dimensional type cover portion. Specifically, the side edges of the two mask pieces are joined by heat fusion or the like, and when not in use, the two mask pieces are folded and folded by a folding portion extending in the vertical direction at the center in the horizontal direction, Even if the two mask pieces are unfolded, they do not become flat, and this is different from the structure that forms a large space between the nose (nostril) and the mouth when it is worn on the face. When attached to, it fits more closely to the face surface than the three-dimensional type cover.

The cover portion 5 can have a single-layer structure or a laminated structure of two or more layers, and each layer can be formed using a breathable sheet such as a woven fabric or a nonwoven fabric. Among them, non-woven fabrics by spun bond method, melt blow method, thermal bond method or spun lace method can be preferably used, and more preferably, non-woven fabrics by spun bond method from the viewpoint of touch and shape retention, such as pollen and virus. From the viewpoint of cutting performance, a non-woven fabric produced by the melt blow method can be used. Considering the above points, as a suitable layer structure of the cover portion 5, for example, an SMS layer (three-layer structure of spunbond-meltblown-spunbond) can be cited. Other than these, an S layer (spunbond single layer) or an SS layer (spunbond-spunbond two-layer structure) can be preferably mentioned. When the cover portion 5 has a laminated structure, the cover portion 5 is formed by joining the outer peripheral edges of the sheets of the respective layers with a predetermined width by a known method such as sewing, ultrasonic welding, or heat fusion. be able to.

As the fiber material of the woven cloth and the non-woven cloth forming each layer of the cover portion 5, known materials can be used, for example, natural fibers such as paper and cotton; semi-synthetic fibers such as rayon and acetate; polypropylene, polyethylene and polyester. , Synthetic fibers such as nylon can be used. Among them, polypropylene and polyethylene can be preferably used from the viewpoint of productivity, polypropylene can be used from the viewpoint of shape retention, and nylon can be used from the viewpoint of touch.

The cover portion 5 has a structure that can extend in the vertical direction. For example, the cover portion 5 is provided with at least one pleat 54 formed by at least two folds extending in the lateral direction. By expanding the pleats 54, the cover 5 can be extended in the vertical direction, and the size of the cover 5 can be freely adjusted according to the size of the face of the wearer.

Ear-hook bands 7 are attached to the left and right side edges 52, 53 of the cover 5 as holding means for holding the cover 5 on the wearer's face. The ear hanging band 7 can be attached to the cover portion 5 by a known method such as sewing, ultrasonic welding, or heat fusion. The material of the ear-hook band 7 is not particularly limited, but it is preferably a stretchable material such as polyester. As the means for holding the cover portion 5, various means other than the ear hanging band 7 may be used.

A linear nosepiece 8 made of a plastic resin such as polyethylene or a biodegradable resin is provided at a position inside the upper edge 50 of the cover portion 5. Since the nose piece 8 prevents a gap from being formed between the nose of the wearer and the cover portion 5, the cover portion 5 can be fitted to the face. The nosepiece 8 can be fixed at a predetermined position by, for example, being built in the cover portion 5 and joining the sheets of the respective layers constituting the cover portion 5 at the upper and lower positions thereof by, for example, ultrasonic welding.

Next, as shown in FIGS. 1 to 4, the accommodating portion 6 has a first layer 60 on the face side and a second layer 61 on the covering portion 5 side, and the upper edge of the outer peripheral edge of the first layer 60 is The removed portion is joined to the second layer 61. As a result, the accommodation portion 6 has an opening formed in the upper portion, and is formed into a bag shape in which the water-containing body 3 can be inserted and held between the first layer 60 and the second layer 61. In the present embodiment, in the accommodation portion 6, the upper edge of the first layer 60 is located below the upper edge of the second layer 61, which facilitates insertion of the hydrated body 3 into the accommodation portion 6 from the upper opening. ing.

The accommodating part 6 is attached to the cover part 5 by joining the second layer 61 on the cover part 5 side to the face side surface of the cover part 5 by a known method such as sewing, ultrasonic welding, or heat fusion. Has been. In the present embodiment, in the housing portion 6, only the upper edge of the second layer 61 located above the upper edge of the first layer 60 is joined to the face-side surface of the cover portion 5. As a result, the accommodation portion 6 is not obstructed when the covering portion 5 is expanded in the longitudinal direction by expanding the pleats 54, and the accommodation portion 6 is not restrained by the covering portion 5 and the weight of the water-containing body 3 increases. Since it is easy to bring the water-containing body 3 close to the wearer's face, the steam emitted from the water-containing body 3 can be efficiently supplied to the nose and mouth.

In the present embodiment, the housing portion 6 is attached to the cover portion 5 at a position below the upper edge 50 of the cover portion 5. Since the upper edge 50 of the cover portion 5 extends laterally under the eyes of the wearer's face when the mask 1 is worn, when the storage portion 6 is attached to the position of the upper edge 50 of the cover portion 5, the storage portion 6 The hydrated body 3 in the inside covers the nose. If the nose is covered with the hydrated body 3, it may be difficult to breathe through the nose, and the hydrated body 3 may hit the nose to reduce the wearing comfort of the mask 1. Therefore, in the present embodiment, the housing portion 6 has a predetermined height (for example, 15 mm or more) from the upper edge 50 of the cover portion 5 so that the housing body 6 is placed under the nose of the wearer when the mask 1 is worn. 30 mm) It is attached to the cover 5 at a position shifted downward.

The size of the accommodating portion 6 may be any size as long as the hydrated body 3 can be placed inside and the heating element 4 can be attached to the outer surface. For example, the lateral length is 50 mm or more and 150 mm or less. The length in the vertical direction can be 30 mm or more and 80 mm or less.

In this embodiment, the lower edge of the housing portion 6 projects downward from the lower edge 51 of the cover portion 5. Since the cover portion 5 of the present embodiment can be extended in the vertical direction by the pleat 5, the lower edge 51 of the cover portion 5 covers the lower edge of the storage portion 6 during extension, and the storage portion 6 is not exposed. The whole touches the wearer's face within the cover 5.

The first layer 60 on the face side of the accommodating portion 6 can be configured by using a sheet having moisture permeability such as woven cloth or nonwoven cloth, and among them, nonwoven cloth can be preferably used. As the non-woven fabric, for example, a non-woven fabric produced by a spunbond method, a thermal bond method, a spunlace method, or the like can be used. Nonwoven fabrics can be used particularly preferably. As the fiber material of the woven cloth and the non-woven cloth which compose the accommodating portion 6, known materials can be used, for example, natural fibers such as paper and cotton; semi-synthetic fibers such as rayon and acetate; polypropylene, polyethylene, polyester, nylon. Synthetic fibers such as can be used. Among them, polypropylene and polyethylene can be preferably used from the viewpoints of flexibility and productivity. The first layer 60 is preferably a stack of two sheets from the viewpoint of flexibility.

The second layer 61 on the cover portion side of the housing portion 6 can be configured by using a non-moisture permeable sheet. As the non-moisture permeable sheet, it is possible to use a sheet obtained by laminating a non-moisture permeable resin film on the moisture permeable sheet used for the first layer 60 described above.

The resin used for the above-mentioned resin film is not particularly limited, but it is preferable to use a thermoplastic resin. Examples of the thermoplastic resin include polyethylene, polypropylene, polyester, polyamide, polyurethane, polystyrene, polyvinyl alcohol, polyvinyl chloride, polyvinylidene chloride, polycarbonate, ethylene-vinyl acetate copolymer, and the like. Among them, polyethylene is preferable. , Polypropylene and ethylene-vinyl acetate copolymer can be preferably exemplified. These resins may be used alone or in combination of two or more.

The moisture permeability of the first layer 60 of the housing portion 6 is a property that allows vapor (water molecules) to pass therethrough, and for example, the moisture permeability is preferably 1000 g/m ² /24 h or more, and 2000 g/m ² more preferably m is ² / 24h or more, further preferably 3000 g ^/ m 2 / 24h or more. The moisture impermeability of the second layer 61 of the housing portion 6 is not limited to the property of completely impervious to steam (water molecules), but also includes the property of slightly penetrating steam (water molecules). For example, the water vapor permeability is preferably 350 g/m ² /24 h or less, more preferably 300 g/m ² /24 h or less.

Next, as shown in FIGS. 1 to 5, the water-containing body 3 is impregnated with a water-retaining liquid containing water as a main component, and the water-containing body 3 is housed in the housing portion 6 of the mask body 2 when the mask 1 is worn and is heated. By being heated by 4, the steam is released to humidify the space between the mask body 2 and the face to supply water to the oral cavity.

The amount of water retaining liquid (impregnation amount) contained in the hydrate 3 is not particularly limited, but is preferably 6 g or more so that sufficient steam can be supplied to the oral cavity for a long time such as during sleep, It is more preferably 12 g or more. Further, from the viewpoint of the influence of the weight of the hydrated body 3 on the feeling during use, the impregnated amount of the hydrated body 3 is preferably 18 g or less, and more preferably 15 g or less.

Further, in order to retain such an amount of the water retaining liquid, the basis weight of the hydrated body 3 is preferably 200 g/m ² or more, and more preferably 300 g/m ² or more. On the other hand, if the basis weight is too large, the hydrated body 3 becomes hard, so that the hydrated body 3 is not deformed along the facial shape of the wearer's mouth when the mask 1 is worn, and the wearer may feel uncomfortable. .. Therefore, the basis weight of the hydrated body 3 is preferably 1000 g/m ² or less, and more preferably 600 g/m ² or less.

In the present embodiment, the hydrated body 3 has a rectangular shape in a plan view, and four corners are chamfered and rounded. The outer shape of the water-containing body 3 is the same as the outer shape of the heat-generating portion 44 of the heat-generating body 4, and both have shapes corresponding to each other. That is, if the outer shape of the heating element 4 is, for example, circular or elliptical, the outer shape of the hydrated body 3 is also circular or elliptical, and if the outer shape of the heating element 4 is, for example, polygonal, the outer shape of the hydrated body 3 is also polygonal. However, the shapes do not have to be exactly the same, and slight differences in shape such as whether or not corners are chamfered are included in the same shape.

Since the hydrated body 3 is used at the wearer's mouth when the mask 1 is worn, the size thereof is preferably, for example, 4 cm or more and 14 cm or less in the lateral direction and 2 cm or more and 7 cm or less in the longitudinal direction. It is more preferably 7 cm or more and 11 cm or less and 3 cm or more and 6 cm or less in the longitudinal direction. The area is preferably 8 cm ² or more and 98 cm ² or less, and more preferably 25 cm ² or more and 50 cm ² or less.

Further, the water-containing body 3 has a size that covers the heat-generating portion 44 of the heat-generating body 4 in relation to the heat-generating body 4. That is, in a plan view, the outer edge contour of the heat generating portion 44 of the heat generating element 4 fits inside the outer edge contour of the water absorbing element 3, and the heat generating portion 44 of the heat generating element 4 does not protrude to the periphery of the water content element 3. It is like this. In addition, "the water-containing body 3 covers the heat-generating portion 44 of the heat-generating body 4" is not limited to the above-described case where the heat-generating portion 44 of the heat-generating body 4 does not completely protrude around the water-containing body 3. A slight protrusion (for example, 10 mm) is acceptable. The water-containing body 3 is formed to have the same size as the heat-generating portion 44 of the heat-generating body 4 or to have a size exceeding the heat-generating portion 44 of the heat-generating body 4, but to have the same size as the heat-generating portion 44 of the heat-generating body 4. It is preferable.

Since the hydrated body 3 covers the mouth of the wearer when the mask 1 is worn, the hydrated body 3 is provided with a vent hole 30 so that the hydrated body 3 does not prevent breathing by the wearer's mouth. This facilitates breathing through the mouth of the wearer when wearing the mask 1. The vent hole 30 may be formed of a plurality of small-diameter holes, or may be formed of one or a plurality of notches, but a notch that extends in the vertical direction at the center position of the hydrous body 3 in the left-right direction. Preferably. Thereby, the water-containing body 3 can be easily bent along the ventilation hole 30 at the center position in the left-right direction. In order to impregnate the hydrated body 3 with a large amount of water, it is necessary to increase the basis weight of the hydrated body 3 as described above, but the larger the basis weight, the harder the hydrated body 3 is, and the hydrated body is worn when the mask 1 is worn. Since 3 does not follow the facial shape of the wearer's mouth, the wearer may feel uncomfortable. However, if the hydrated body 3 can be easily bent at the center position in the left-right direction by the vent hole 30, even if the hydrated body 3 has a large basis weight, the hydrated body 3 conforms to the facial shape of the wearer's mouth when the mask 1 is worn. Therefore, the wearer does not feel uncomfortable.

In addition, although the vent hole 30 is formed so as to vertically extend in a region between the upper edge and the lower edge of the hydrous body 3 in the present embodiment, it extends upward from the lower edge of the hydrous body 3. It may be formed in this manner, or may be formed so as to extend downward from the upper edge of the water-containing body 3, and extend downward and upward from the upper edge and the lower edge of the water-containing body 3, respectively. It may be formed in this way.

The hydrated body 3 can be formed of various fiber materials, and can be formed of hydrophilic fibers or a mixed fiber of hydrophilic fibers and synthetic fibers. Examples of the fiber material include polyethylene, polypropylene, polyester, rayon, cotton, pulp and the like, and from the viewpoint of flexibility and water retention, pulp is preferable. The method for producing such a hydrated body 3 is not particularly limited, but it can be produced by the air laid method or the like, and from the viewpoint of productivity, processability and durability, pulp which is the main component is heat-melted with polyethylene or the like. It is preferable to mix the adhesive fiber in a predetermined ratio.

For example, when the water-containing body 3 is formed of pulp, the ratio of pulp:heat-fusible fiber is 60:40 to 80:20. The water-containing body 3 may have a single-layer structure or a multi-layer structure, but from the viewpoint of durability and water retention, it is preferable to have a three-layer structure in which a fibrous material is sandwiched between a pair of nonwoven fabrics. At this time, the layer sandwiched between the pair of non-woven fabrics is called the middle layer, and the layer consisting of the pair of non-woven fabrics is called both end layers. The nonwoven fabrics of both end layers may be made of the same material or different materials. Examples of the material of these non-woven fabrics include hydrophilic fibers, hydrophobic fibers, synthetic fibers, or mixed-spun fibers of hydrophilic fibers and synthetic fibers, and examples of hydrophilic fibers include rayon and cotton. Rayon is preferred. The hydrophilic property has an advantage that the moisture is easily absorbed by the pulp during the production, which facilitates the production. Examples of the hydrophobic fiber include polyesters such as polyethylene, polypropylene and polyethylene terephthalate, and polyethylene and polypropylene are preferable. The hydrophobic property has the advantage of preventing wetting and stickiness. Therefore, it is preferable that the surface facing the wearer side is made of hydrophobic fiber and the surface opposite to the side is made of hydrophilic fiber such as rayon. The pair of nonwoven fabrics described above preferably have a basis weight of, for example, 20 g/m ² or more and 50 g/m ² or less.

The water-retaining liquid with which the hydrated body 3 is impregnated may be only water, but it is possible to mix water with a polyol as a main component. Examples of the polyol include glycerin, dipropylene glycol, 1,3-butylene glycol, propylene glycol, sorbitol, 1,2-pentanediol, 1,2-hexanediol, and among them, glycerin is preferable from the viewpoint of safety. .. In addition to these, preservatives such as methylparaben and phenoxyethanol, moisturizers such as hyaluronate and betaine, plant extracts, xanthan gum and hydroxypropylmethylcellulose (HPMC), hydroxyethylcellulose (HEC), hydroxypropylcellulose (HPC), agar. , Water-soluble thickeners such as guar gum and carrageenan, fragrances such as eucalyptus and mint, and surfactants (nonionic surfactants, amphoteric surfactants, anionic surfactants) that solubilize fragrances can be used as appropriate. .. Before the mask 1 is worn, that is, before being accommodated in the accommodating portion 6, the water-containing body 3 is accommodated in a bag made of an impermeable aluminum laminate film, an aluminum vapor-deposited PET film, a transparent (silica) vapor-deposited PET film, or the like. It is preferable to set.

Next, as shown in FIGS. 2 to 4, the heating element 4 includes a heating material 40 and a storage bag 41 in which the heating material 40 is sealed. As the heating element 4, for example, a sticking type disposable body warmer can be preferably used. The heating element 4 is attached to the surface of the mask body 2 on the cover portion 5 side using an adhesive layer (not shown) provided on one surface of the storage bag 41.

In the present embodiment, as the heat generating material 40, a heat generating composition that generates heat by contact with air is used. The exothermic composition may be one that generates heat upon contact with air, and includes, for example, oxidizable metals, activated carbon, water retention agents (wood flour, vermiculite, diatomaceous earth, perlite, silica gel, alumina, water absorbent resin, etc.). It is possible to use a known composition conventionally used for disposable body warmers, which contains a metal salt (such as salt) and water in appropriate amounts. The oxidizable metal is a metal that emits heat of oxidation reaction, and examples thereof include one or more powders and fibers selected from iron, aluminum, zinc, manganese, magnesium, and calcium. Among them, iron powder is preferable from the viewpoints of handleability, safety, manufacturing cost, storability and stability. Examples of the iron powder include one kind or two or more kinds selected from reduced iron powder and atomized iron powder.

The heat generating material 40 may be made of a material other than a material that generates heat by contact with air. For example, a material that generates heat when irradiated with microwaves in a microwave oven (for example, ceramic powder such as ferrite) is used. Good.

The storage bag 41 includes a front surface layer and a back surface layer whose outer peripheral edges are joined together over the entire circumference, and has a space for containing the heat generating material 40 between the front surface layer and the back surface layer. In the present embodiment, the front and back surfaces of the first sheet 42 and the second sheet 43 of the same shape that form the front surface layer and the back surface layer are formed, and the two sheets 42, 43 are overlapped, and the outer peripheral edge is known over the entire circumference. The heat-generating material 40 is formed into a bag shape capable of being sealed by bonding using the adhesive of 1 or bonding by heat fusion. In the heating element 4, a portion of the storage bag 41 in which the heating material 40 is enclosed, that is, a portion other than a portion where the outer peripheral sheets 42 and 43 are joined together becomes a heating portion 44.

The outer shape of the heating element 4 is not particularly limited, but as described above, the heating portion 44 has an outer shape corresponding to the outer shape of the water-containing body 3. Further, the size of the heat generating element 4 is not particularly limited, but as described above, the heat generating portion 44 is sized to be covered by the water-containing body 3.

The material of the two sheets 42 and 43 of the storage bag 41 is not particularly limited, but it is preferable to use a resin film in consideration of strength and durability against heat generation of the heat generating material 40. The resin used for the resin film is not particularly limited, but it is preferable to use a thermoplastic resin. Examples of the thermoplastic resin include polyethylene, polypropylene, polyester, polyamide, polyurethane, polystyrene, polyvinyl alcohol, polyvinyl chloride, polyvinylidene chloride, polycarbonate, ethylene-vinyl acetate copolymer, and the like. Among them, polyethylene is preferable. , Polypropylene and ethylene-vinyl acetate copolymer can be preferably exemplified. These resins may be used alone or in combination of two or more.

In addition, the two sheets 42 and 43 of the storage bag 41 may be formed of a laminated body in which a breathable woven fabric or nonwoven fabric is laminated on a resin film. In this case, the resin film is arranged on the inner side of the heat generating material 40 side and the woven or non-woven fabric is arranged on the outer side.

Woven or non-woven fiber materials include natural fibers such as cotton, linen, silk and paper; semi-synthetic fibers such as rayon and acetate; nylon, vinylon, polyester, acrylic, polyethylene, polypropylene, polyvinyl chloride, polybutylene terephthalate. Synthetic fibers such as; and mixed fibers of these fibers can be exemplified. Among them, nylon, polyester, polypropylene, etc., and more preferably nylon, polyester can be exemplified as the fiber material from the viewpoint of making the skin feel good. These fiber materials may be used alone or in combination of two or more. The basis weight of the woven or non-woven fabric is not particularly limited as long as the basis weight is such that leakage of the heat generating material 40 to the outside of the storage bag 3 can be prevented, but is preferably about 20 g/m ² or more and 70 g/m ² or less.

The thickness of the two sheets 42, 43 of the storage bag 41 is not particularly limited, but the smaller the thickness, the softer the storage bag 41 can be. On the other hand, if the thickness is too small, the strength of the storage bag 41 can be increased. Therefore, it is preferable that the thickness is 0.1 mm or more and 2.0 mm or less.

Of the two sheets 42, 43 of the storage bag 41, the first sheet 42 on the cover portion 5 side has air permeability, and the first sheet 42 on the opposite side (adhesive layer 44 side) to be attached to the storage portion 6 is the second sheet. The 2 sheet 43 may be breathable or non-breathable, but is preferably non-breathable.

The resin film used for the first sheet 42 having air permeability is a porous resin film or a resin film in which a plurality of perforations (not shown) are formed by needles in order to ensure air permeability. Air communicates with the inside and outside of the storage bag 41 through the holes to contact the heat-generating material 40, so that the heat-generating material 40 generates heat. The holes may be formed in the entire area of the resin film or may be formed in a part thereof. The size of the hole is not particularly limited as long as it can prevent the heat generating material 40 from leaking to the outside of the storage bag 41. The outer shape and the number of the holes are not particularly limited, and the size, the shape, and the number of the holes are appropriately set in consideration of the temperature of the heating element 4 during use according to the air permeability of the storage bag 41. On the other hand, the resin film used for the non-breathable second sheet 43 is a non-breathable resin film that is neither porous nor formed with perforations (not shown).

The non-breathability of the storage bag 41 is not limited to the property of completely impermeable to air, and the second sheet 43 of the storage bag 41 has a hole (for example, a resin film formed in a resin film) for allowing air to pass therethrough. It means that the resin film itself does not have the above-mentioned perforations or pores originally formed in the material itself, and even if the resin film itself is slightly ventilated, it is included in non-air permeability.

An adhesive layer (not shown) is provided on the surface of the non-breathable second sheet 43. This adhesive layer is formed by applying an acrylic adhesive, a urethane adhesive, a silicon adhesive, a rubber adhesive, pine resin, or the like to the surface of the second sheet 43. The application amount of the adhesive is not particularly limited as long as the heating element 4 can be continuously attached to the storage portion 6 for a long time such as during sleep. The adhesive layer is covered with a release sheet (not shown) until the heating element 4 is used. This release sheet can be formed, for example, by laminating paper, polyethylene terephthalate, polyethylene, etc., alone or in combination, and subjecting the surface on the side covering these adhesive layers to silicon processing.

According to the mask 1 of the present embodiment described above, when the water-containing body 3 containing water is continuously heated by the heating element 4 when worn, warm steam is generated for a long time, which causes the mask body 2 and the wearer to wear. Humidity between the face. Therefore, since the oral cavity is replenished with water, it is possible to prevent the oral cavity from drying for a long time. Here, the water-containing body 3 is housed in the housing portion 6 of the mask main body 2, while the heat-generating body 4 is attached to the surface of the housing portion 6 on the cover portion 5 side. The accommodating part 6 is interposed between them. Therefore, the moisture of the hydrated body 3 is prevented from permeating in the housing portion 6, so that the moisture of the hydrated body 3 can be prevented from permeating the heating element 4 that heats the hydrated body 3. As a result, it is possible to prevent the heat generation temperature of the heating element 4 from decreasing, and it is possible to effectively heat the hydrated body 3 and generate good steam.

Further, according to the mask 1 of the present embodiment, the heating element 4 is attached to the surface of the housing portion 6 of the mask body 2 on the cover portion 5 side, that is, the surface of the housing portion 6 opposite to the face. Therefore, the heating element 4 does not directly contact the wearer's face when wearing the mask 1. Therefore, when the mask 1 is worn, the wearer does not burn his face or feel uncomfortable.

Further, according to the mask 1 of the present embodiment, the water-containing body 3 has a size that covers the heat generating portion 44 of the heat generating body 4. When the size of the heating element 4 is large, when the mask 1 is worn, the heating portion 44 of the heating element 4 may sneak around the hydrated body 3 and hit the wearer's face. By covering the heating portion 44, it is possible to reliably prevent the heating element 4 from hitting the wearer's face.

Further, according to the mask 1 of the present embodiment, the water-containing body 3 has the same outer shape as the heat-generating portion 44 of the heat-generating body 4, and has the same size as the heat-generating portion of the heat-generating body. The entire area of the water-containing body 3 is uniformly heated by the heat-generating portion 44 of the heat-generating body 4. Therefore, the hydrated body 3 is easily warmed, and warm steam can be efficiently generated from the hydrated body 3.

Further, according to the mask 1 of the present embodiment, the housing portion 6 is attached to the cover portion 5 at a position below the upper edge 50 of the cover portion 5. Therefore, since the container 6 is placed under the nose of the wearer when the mask 1 is worn, the nose is not covered with the water-containing body 3 and the wearer can easily breathe through the nose. The hydrated body 3 does not hit the nose and the feeling of wearing the mask 1 does not deteriorate.

Further, according to the mask 1 of the present embodiment, since the first layer 60 on the face side of the housing portion 6 has moisture permeability and the second layer on the side of the covering portion 5 is moisture impermeable, the inside of the housing portion 6 is reduced. The warm vapor generated from the hydrated body 3 of FIG. 1 passes through the moisture-permeable first layer 60 and is discharged to the wearer's face side, but the moisture-impermeable second layer is provided on the side opposite to the wearer's face. 61 serves as a barrier and vapor is not released. Therefore, since the warm steam generated from the water-containing body 3 can be supplied only to the wearer's face side, the humidification can be efficiently performed.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the present invention.

For example, in the above-described embodiment, the housing portion 6 is attached to the cover portion 5 at a position lower than the upper edge 50 of the cover portion 5, but is attached to the cover portion 5 at the position of the upper edge 50 of the cover portion 5. It may be.

Further, in the above embodiment, the first layer 60 of the housing portion 6 is moisture permeable and the second layer 61 is moisture impermeable, but both may be moisture permeable.

Further, in the above-described embodiment, the water-containing body 3 is provided with the vent hole 30, but the vent hole 30 does not necessarily have to be formed.

Further, in the above-described embodiment, the upper edge 50, the lower edge 51, and the left and right side edges 52, 53 of the cover portion 5 are formed in a linear shape, but for example, the upper edge 50 is a bent line that is convex upward. Alternatively, it may be formed in a curved line shape, and/or the lower edge 51 may be formed in a bent line or a curved line that is convex downward, and/or the left and right side edges 52, 53 may be formed in the shape of a curved line or a curved line that is convex toward the inside.

In addition, in the above-described embodiment, since the accommodation part 6 covers the mouth of the wearer when the mask 1 is worn, the accommodation part 6 is provided with a vent hole so that the accommodation part 6 does not obstruct breathing through the mouth of the wearer. Good.

Further, in the above-described embodiment, the cover portion 5 has a rectangular shape in a plan view, but may have various shapes such as a triangular shape, a square shape, other polygonal shapes, a circular shape, and an elliptical shape.

Further, in the above-described embodiment, the cover portion 5 has a structure capable of extending in the vertical direction by the pleat 54, but the means for extending the cover portion 5 in the vertical direction is not limited to the pleat 54, and other means. Various means can be used, and for example, the cover portion 5 may have a structure capable of extending in the vertical direction by forming a gather in the cover portion 5. It should be noted that the means and structure for making the cover portion 5 such as the pleats 54 extendable may not be provided in the cover portion 5.

Further, in the above-described embodiment, the cover portion 5 is a flat type, but may be a three-dimensional type.

1 Mask 2 Mask Main Body 3 Water-Containing Body 4 Heating Element 5 Covering Section 6 Housing Section 45 Heat-generating Section of Heating Body 50 Upper Edge of Covering Section 60 First Layer of Housing 61 Second Layer of Housing

Claims (5)

A mask body, a water-containing body containing water, and a heating element for heating the water-containing body,
The mask body includes a cover portion that covers a part of the wearer's face, and a bag-shaped storage portion that is provided on the face side surface of the cover portion and stores the water-containing body,
The said heating element is a mask attached to the surface of the said accommodating part by the side of the said cover part. The mask according to claim 1, wherein the water-containing body has a size that covers a heat-generating portion of the heat-generating body. The mask according to claim 2, wherein the water-containing body has an outer shape that is the same as the outer shape of the heat-generating portion of the heat-generating body, and has the same size as the heat-generating portion of the heat-generating body. The mask according to any one of claims 1 to 3, wherein the housing portion is attached to the cover portion at a position lower than an upper edge of the cover portion. The accommodating part includes at least a first layer on the face side and a second layer on the cover part side, between which the water-containing body is inserted,
The mask according to claim 1, wherein the first layer has moisture permeability and the second layer has moisture impermeable properties.