JP2022101127A - mask - Google Patents

Abstract

To provide a mask that can be prevented from being displaced even when an object is accommodated in a pocket when the mask is worn.SOLUTION: A mask 1 includes a mask body 10 covering at least a mouth of a user, and a pocket 30 provided in the mask body 10. The mask body 10 contains polyurethane.SELECTED DRAWING: Figure 1

Description

The present invention relates to a mask.

Patent Document 1 describes a conventional mask. The mask described in Patent Document 1 includes a mask body that covers the mouth and an ear hook portion for holding the mask body on the face. The mask body is made of, for example, a non-woven fabric made of synthetic fibers containing polypropylene.

A pocket (a storage portion in Patent Document 1) is provided on the surface of the mask body facing the skin. The pockets contain an absorbent core that retains moisture.

When the user wears the mask, water evaporates from the absorbent core, and the water enters the space between the mask body and the mouth. This allows the user to moisturize the oral cavity.

Japanese Unexamined Patent Publication No. 2008-295961

By the way, since the mask body described in Patent Document 1 does not have elasticity, it does not have a fit to the user's skin when worn. In addition, the absorbent core retains moisture and has a certain weight.

Therefore, the mask described in Patent Document 1 has a problem that when a weighted object such as an absorbent core is stored in a pocket, the mask body is displaced by the weight of the object.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a mask that can prevent an object from being displaced even if it is stored in a pocket when it is attached.

One aspect of the mask according to the present invention includes at least a mask body that covers the user's mouth and a pocket provided in the mask body, and the mask body contains polyurethane.

Further, in the mask according to the present invention, it is preferable that the pocket has elasticity in the above aspect.

Further, in the mask according to the present invention, in the above aspect, it is preferable that the pocket is provided on the skin-side surface of the mask body, and the pocket has a moisture-permeable portion having moisture permeability.

Further, in the mask according to the present invention, in the above aspect, it is preferable that the moisture permeable portion is made of a moisture permeable non-woven fabric.

Further, in the above aspect, in the mask according to the present invention, the pocket faces the inside of the pocket, and is superimposed on an intermediate layer made of a breathable non-woven fabric and a surface on the skin side of the intermediate layer. It has an inner layer made of polyurethane foam, and the moisture permeable portion is preferably composed of a part of the intermediate layer exposed from the opening surface of the inner layer.

Further, in the mask according to the present invention, in the above aspect, it is preferable that the nonwoven fabric is a polyurethane nonwoven fabric containing polyurethane.

Further, in the above aspect, it is preferable that the mask according to the present invention further includes an absorbent core that is housed in the pocket and can hold a water-retaining liquid.

The mask of the above aspect according to the present invention has an advantage that when it is worn, even if an object is stored in a pocket, it can be prevented from shifting.

It is a perspective view of the mask of one Embodiment which concerns on this invention. It is a side view of the state which the mask which concerns on the said embodiment is folded in half at the width center line. It is a back view of the mask which concerns on the said embodiment. FIG. 3 is a sectional view taken along line X1-X1 of FIG. It is a side view of the state which the mask which concerns on a modification is folded in half at the width center line.

<Embodiment>
(1) Overall The mask 1 according to the present embodiment is a three-dimensional mask 1 that follows the lower surface of the user's face, as shown in FIG. The mask 1 includes a mask body 10, a pair of pockets 30, a pair of storage bodies 4 (FIG. 3) housed in the pockets 30, and a holding body 5 that holds the mask body 10 on the face. The storage body 4 according to the present embodiment is composed of an absorbent core 41 that holds a water-retaining liquid.

In the following, the direction from the user to the front is defined as the "forward direction", the opposite direction to the front direction is defined as the "rear direction", and the two directions parallel to the front direction and the rear direction are defined as the "front-back direction". In addition, the direction orthogonal to the front-back direction and along the vertical plane is defined as the "vertical direction". Further, the direction orthogonal to the vertical direction and the front-back direction is defined as the "horizontal direction". However, the definitions of these directions are for convenience of explanation only, and do not specify the usage mode of the mask 1.

(2) Mask body The mask body 10 is at least a portion that covers the user's mouth. The mask body 10 according to the present embodiment covers the user's mouth and nostrils, and covers the area of the user's face under the eyes. The mask body 10 is formed symmetrically with respect to the width center line C1 passing through the center in the left-right direction. When the mask body 10 is folded in half along the width center line C1, the width center line C1 is curved so as to be convex in the forward direction as shown in FIG. As a result, when the mask body 10 is unfolded, the mask body 10 is formed in a bowl shape. When the mask body 10 is attached, the width center line C1 is along the tip of the user's nose (tip of the nose), the tip of the lips (upper lip nodule), and the tip of the lower jaw (chin).

The mask body 10 is configured by joining a pair of mask pieces 2 along the width center line C1. As used herein, "joining" means joining by heat welding, ultrasonic welding, suturing, adhesion, or the like. In the present embodiment, the pair of mask pieces 2 are joined by heat fusion at the front edge 21. However, the mask main body 10 is not limited to a structure in which a pair of mask pieces 2 are joined, and may have a structure in which a pair of mask pieces 2 are integrated.

FIG. 2 shows a state in which the mask main body 10 is folded in half along the width center line C1. The mask piece 2 includes a front end edge 21 curved so as to be convex in the front direction, an upper edge 22, a lower edge 23, and a rear end 24. The upper edge 22 connects the anterior edge 21 and the upper end of the posterior end 24 and extends along the upper part of the lower part of the orbit of the user and the upper part of the cheekbone while wearing the mask 1. The lower edge 23 connects the lower end of the front end edge 21 and the lower end of the rear end 24, and extends from the chin to the lower part of the cheek portion with the mask 1 attached. The dimension between the upper edge 22 and the lower edge 23 is formed so as to become smaller as it approaches the rear end 24, and the upper edge 22 is inclined with respect to the lower edge 23. The rear end 24 is provided with a holding body 5 for hanging on the user's ear. The holding body 5 will be described in detail in "(5) Holding body" described later.

The mask body 10 contains polyurethane and has elasticity. Further, the mask body 10 has air permeability. The material of the mask main body 10 according to the present embodiment is composed of a sheet-shaped polyurethane foam (polyurethane foam) which is a porous material. The mask body 10 has hydrophobicity in this embodiment.

The mask main body 10 according to the present embodiment is a polyurethane foam, but in the present invention, it may contain polyurethane, for example, it may be made of a polyurethane non-woven fabric, or the polyurethane foam and another sheet may be overlapped with each other. It may be a laminated structure of two or more layers.

Examples of other sheets include sheet-like fiber aggregates such as woven fabrics and non-woven fabrics. Examples of the fiber aggregate include natural fibers such as paper and cotton; semi-synthetic fibers such as rayon and acetate; synthetic fibers such as polypropylene, polyethylene, polyester (for example, polyethylene terephthalate) and nylon; and mixed fibers thereof. When a non-woven fabric is used as the other sheet, for example, a spunbonded nonwoven fabric, a melt blow nonwoven fabric, a thermal bonded nonwoven fabric, a spunlaced nonwoven fabric, or the like can be used.

(3) Pocket The pocket 30 is provided in the mask main body 10 and stores the storage body 4. The pocket 30 may be provided on any of the pair of main surfaces of the mask body 10, but in the present embodiment, the pocket 30 is provided on the skin-side surface (inner surface) as shown in FIG. ..

The pocket 30 is preferably elastic. When the pocket 30 has elasticity, it is possible to prevent the mask body 10 from shifting due to the weight of the storage body 4.

A moisture permeable portion 36 is formed in the pocket 30. The moisture permeable portion 36 has moisture permeability, and water vapor volatilized from the storage body 4 passes through the moisture permeable portion 36. As shown in FIG. 4, the pocket 30 includes an intermediate layer 31 made of a non-woven fabric and an inner layer 32 laminated on the intermediate layer 31, and the moisture permeable portion 36 is exposed from the opening surface 321 of the inner layer 32. It is composed of a part of the intermediate layer 31. The pocket 30 is formed by stacking a sheet-shaped interior body 3 composed of a plurality of layers including an intermediate layer 31 and an inner layer 32 on the mask main body 10 and partially joining them in a bag shape.

The intermediate layer 31 is made of a breathable non-woven fabric. As used herein, the term "moisture permeable" means the property of allowing vapors (water molecules) to pass through. Since the intermediate layer 31 has moisture permeability, the vapor emitted from the storage body 4 (absorbent core 41) housed in the pocket 30 passes through the intermediate layer 31 and is supplied to the user's skin side. In the present embodiment, the moisture permeability of the intermediate layer 31 is higher than the moisture permeability of the mask body 10, but the moisture permeability is not particularly limited as long as the vapor emitted from the storage body 4 can pass therethrough.

The intermediate layer 31 faces the inside of the pocket 30. The intermediate layer 31 is, in the present embodiment, a non-woven fabric having moisture permeability and breathability. As the non-woven fabric, for example, a spunbonded nonwoven fabric, a melt blow nonwoven fabric, a thermal bonded nonwoven fabric, a spunlaced nonwoven fabric and the like can be used. Examples of the fiber material of the non-woven fabric include natural fibers such as paper and cotton; semi-synthetic fibers such as rayon and acetate; synthetic fibers such as polypropylene, polyethylene, polyester (for example, polyethylene terephthalate) and nylon; and mixed fibers thereof. Be done. The intermediate layer 31 according to the present embodiment is made of a polyurethane nonwoven fabric (urethane nonwoven fabric) containing polyurethane fibers in a predetermined ratio or more.

The intermediate layer 31 has elasticity. Since the intermediate layer 31 has elasticity, the pocket 30 has elasticity. In the present embodiment, the intermediate layer 31 is made of a stretchable non-woven fabric, but in the present invention, only the portion corresponding to the pocket 30 may have stretchability.

When the intermediate layer 31 is made of a polyurethane non-woven fabric, it is possible to suppress fluffing of the intermediate layer 31 and improve the wearing feeling of the user. Further, when the intermediate layer 31 made of polyurethane non-woven fabric is welded to the mask body 10 made of polyurethane foam, as compared with the case where the intermediate layer 31 made of polyurethane foam is welded, for example, as compared with the case where the intermediate layer 31 made of polyurethane foam is welded. Welding strength can be increased (higher).

The basis weight of the intermediate layer 31 is preferably 10 g / m ² or more, more preferably 20 g / m ² or more, and more preferably 30 g / m ² or more, from the viewpoint of improving the welding strength with respect to the mask body 10. More preferred. On the other hand, if the basis weight of the intermediate layer 31 is too large, the moisture permeability is lowered. Therefore, the basis weight of the intermediate layer 31 is preferably 300 g / m ² or less, more preferably 200 g / m ² or more, and 150 g / m / 2. It is more preferably m ² or more.

The inner layer 32 is overlapped with the skin-side surface of the intermediate layer 31, and makes the skin feel gentle when it comes into contact with the user's skin (including the lips). The inner layer 32 may be made of a material different from that of the mask main body 10, but in the present embodiment, it is made of a polyurethane foam made of the same material as the mask main body 10.

Here, when the inner layer 32 is made of a material different from that of the mask main body 10, it is preferably a material containing polyurethane. In this case, the inner layer 32 may be, for example, a woven fabric containing polyurethane fibers, a polyurethane sheet, or the like. The thickness dimension of the inner layer 32 is not particularly limited, but from the viewpoint of cost reduction, a polyurethane foam having the same thickness as or thinner than the mask main body 10 is preferable.

The inner layer 32 has a certain degree of air permeability in the material itself, but has an opening surface 321 as shown in FIG. 4, and the inner layer 32 has an opening surface 321 from the storage body 4 housed in the pocket 30 through the opening surface 321. Can supply more steam. As shown in FIG. 3, the opening surface 321 approaches the end on the mask piece 2 side adjacent to the mask piece 2 (that is, the center of the mask 1) from the center portion in the left-right direction of the lower edge 23 of each mask piece 2. It is inclined with respect to the lower edge 23 so as to proceed upward according to the above. That is, the opening surface 321 is formed in an inverted V shape as a whole. The opening surface 321 is continuous so as to pass from the tip of the nose to both sides of the mouth and continue to the chin while the user wears the mask 1.

However, in the present invention, the shape of the opening surface 321 is not particularly limited, and may be, for example, a circular shape, an elliptical shape, a rectangular shape parallel to the left-right direction, a slit, a corrugated shape, a rectangular corrugated shape, a saw blade shape, or the like.

As shown in FIG. 4, a part of the intermediate layer 31 is exposed from the opening surface 321. The moisture permeable portion 36 according to the present embodiment is composed of a part of the intermediate layer 31 exposed from the opening surface 321 of the inner layer 32. At the peripheral edge of the opening surface 321 the inner layer 32 and the intermediate layer 31 are joined by heat welding. Further, the intermediate layer 31 and the inner layer 32 are joined by heat welding along the outer edge of the interior body 3. Such joining between the intermediate layer 31 and the inner layer 32 by heat welding may be continuous in the longitudinal direction or intermittently.

As shown in FIG. 3, the interior body 3 in which the intermediate layer 31 and the inner layer 32 are laminated is formed in a substantially triangular shape when viewed from the rear. The lower edge of the interior body 3 is along the lower edge 23 of the mask body 10. The upper end (vertex) of the interior body 3 coincides with the upper end of the mask body 10. The interior body 3 and the mask main body 10 are joined by welding at a central joint portion 33 along the width center line C1, a lower joint portion 34, and an outer joint portion 35, and a pair of pockets 30 is formed. There is.

The central joint 33 divides one pocket in the left-right direction into a pair of pockets 30 arranged in the left-right direction. The lower joint portion 34 extends in the left-right direction and is located at an upward distance from the lower edge 23. The outer joint portion 35 is inclined with respect to the lower joint portion 34 so as to proceed outward from the outer end of the lower joint portion 34 in the upward direction.

In this way, the interior body 3 is joined to the mask body 10 by welding. That is, at the joint portion between the interior body 3 and the mask main body 10, polyurethane foam is bonded to each of both sides in the thickness direction with respect to the polyurethane non-woven fabric. Therefore, the polyurethane foam can be provided on the portion of the pocket 30 that comes into contact with the skin, and yet the welding strength of the pocket 30 with respect to the mask body 10 can be increased.

Moreover, the interior body 3 is arranged at a position where the opening surface 321 faces the pair of nostrils, and the portion of the inner layer 32 other than the opening surface 321 comes into contact with the user's nostrils, cheeks, and lips. For this reason, the surface of the mask body 10 on the skin side flexibly hits the area around the user's mouth and nose, so that the mask body 10 is gentle on the skin, has a fit, and is comfortable to wear.

(4) Storage body The storage body 4 is an object stored in the pocket 30. Examples of the housing 4 include objects having a predetermined weight such as a heating element, a cooling element, and a steam generator. The term "object having a predetermined weight" as used herein means an object whose mass per unit area exceeds the basis weight of the mask body 10. The storage body 4 according to the present embodiment is an absorbent core 41 that holds a water-retaining liquid.

The absorbent core 41 is made of a fiber material. The basis weight of the fiber material is, for example, composed of a fiber material of 200 g / m ² or more and 1000 g / m ² or less. As the absorbent core 41, for example, a spunbonded nonwoven fabric, a melt blow nonwoven fabric, a thermal bonded nonwoven fabric, a spunlaced nonwoven fabric, or the like can be used. Examples of the fiber material of the non-woven fabric include natural fibers such as paper and cotton; semi-synthetic fibers such as rayon and acetate; synthetic fibers such as polypropylene, polyethylene, polyester (for example, polyethylene terephthalate) and nylon; and mixed fibers thereof. Be done.

The water retention liquid may be composed of pure water, but water may be the main component and other components may be added. As another component, a polyol can be exemplified. The polyol is not particularly limited, but glycerin, dipropylene glycol, 1,3-butylene glycol, propylene glycol, sorbitol, 1,2pentanediol, 1,2-hexanediol and the like are exemplified, and more preferably. Glycerin is exemplified in terms of safety. In addition to these, preservatives such as methylparaben and phenoxyethanol, moisturizers such as hyaluronan and betaine, plant extracts, xanthan gum and hydroxypropylmethylcellulose (HPMC), hydroxyethylcellulose (HEC), hydroxypropylcellulose (HPC), agar , Guar gum, water-soluble thickeners such as carrageenan, fragrances such as eucalyptus and mint, surfactants (nonionic surfactants, amphoteric surfactants, anionic surfactants) that solubilize fragrances, etc. Can be appropriately added to water.

The absorbent core 41 housed in the pocket 30 supplies water vapor to the space between the mask body 10 and the user's mouth or nose through the moisture permeable portion 36 by volatilizing the impregnated water-retaining liquid. As a result, steam is supplied to the user's oral cavity, and the oral cavity can be satisfactorily humidified to prevent the oral cavity from drying out.

(5) Holding body The holding body 5 holds the mask body 10 on the user's face. In the mask 1 according to the present embodiment, the holding body 5 is composed of a pair of ear hook portions 51. Each ear hook 51 is integrally formed from the rear end 24 of each mask piece 2.

The holding body 5 is not limited to the ear hook portion 51 integrally formed with each mask piece 2, and may be a pair of ear hook rubbers joined to each mask piece 2, or may be attached to the back of the head or the back of the neck. It may be a strap to be hung, or it may be a hook to be hooked on the temple of the eyeglasses.

<Effect>
As described above, in the mask 1 according to the present embodiment, since the mask body 10 contains polyurethane, the mask body 10 has elasticity and fits the user's face. Therefore, even if the storage body 4 is put in the pocket 30, it is possible to prevent the mask body 10 from being displaced due to the weight of the storage body 4. Further, in the mask 1 according to the present embodiment, since the mask main body 10 contains polyurethane, the occurrence of fluffing can be suppressed and the wearing feeling can be improved.

Further, in the mask 1 according to the present embodiment, since the pocket 30 has elasticity, even if the storage body 4 is put in the pocket 30, it is possible to prevent the mask body 10 from being displaced due to the weight of the storage body 4.

Further, in the mask 1 according to the present embodiment, since the pocket 30 has the moisture-permeable portion 36, the storage body 4 holding the water-retaining liquid is stored in the pocket 30, so that the mask body 10 and the user can use the mask 1. Moisture can be supplied to the space between the face.

Further, since the moisture permeable portion 36 is made of a moisture permeable non-woven fabric, it is easy to give a wet feeling to the user by storing the storage body 4 holding the water retaining liquid in the pocket 30. The "wet feeling" here means a feeling given to the user as if the moisture permeable portion 36 is wet. Since the moisture-permeable portion 36 contains the water from the water-retaining liquid, the user feels that the moisture-permeable portion 36 is colder than the portion other than the moisture-permeable portion 36. As a result, the user receives a wet feeling from the moisture permeable portion 36 regardless of whether or not it is actually wet, and thereby enhances the actual feeling of the effect that the steam is supplied from the moisture permeable portion 36. can.

Further, in the moisture permeable portion 36, in the interior body 3, the pocket 30 is composed of the interior body 3 in which the intermediate layer 31 and the inner layer 32 are laminated, and the inner layer 32 is polyurethane foam. Therefore, the portion of the inner layer 32 other than the opening surface 321 flexibly hits the user's skin, which is gentle on the skin, has a fit, and is comfortable to wear. Further, since the polyurethane foam is not slippery to the skin, it is possible to further prevent the mask body 10 from being displaced due to the weight of the storage body 4.

Further, since the intermediate layer 31 is a polyurethane nonwoven fabric containing polyurethane, polyurethane foam is bonded to the polyurethane nonwoven fabric at the joining portion. Therefore, the welding strength of the pocket 30 provided on the surface of the mask body 10 on the skin side can be increased.

Further, since the mask 1 further includes an absorbent core 41, water vapor can be supplied to the space between the mask body 10 and the user's skin through the moisture permeable portion 36. As a result, steam is supplied to the user's oral cavity, and the oral cavity can be satisfactorily humidified to prevent the oral cavity from drying out.

<Modification example>
The above embodiment is only one of various embodiments of the present invention. The embodiment can be variously changed according to the design and the like as long as the object of the present invention can be achieved. Hereinafter, modified examples of the embodiments are listed. The modifications described below can be applied in combination as appropriate.

In the above embodiment, the pocket 30 is provided on the skin-side surface of the mask body 10, but may be provided on the outer surface of the mask body 10, for example, as shown in FIG. In this case, the mask body 10 may be made of a polyurethane non-woven fabric. In this case, the portion of the mask body 10 corresponding to the pocket 30 becomes the moisture permeable portion 36. Further, when the mask main body 10 is made of polyurethane foam in the structure, an opening is formed in a portion corresponding to the pocket 30 of the mask main body 10, and the opening is closed with a polyurethane non-woven fabric to form a moisture permeable portion 36. May be good.

When the housing 4 is a heating element (for example, a body warmer), the mask body 10 may be made of polyurethane foam as in the above embodiment. In this case, the moisture permeable portion 36 may be omitted.

In the above embodiment, the pocket 30 includes the intermediate layer 31 and the inner layer 32, but in the present invention, the inner layer 32 may not be provided. That is, when the user wears the mask 1, the intermediate layer 31 may come into contact with the user's skin. In this case, as compared with the above embodiment, the intermediate layer 31 is more likely to adhere to the skin, and the gentleness to the skin is reduced, but the "wetness" given to the user can be improved.

In the above embodiment, the outer joint portion 35 that partitions the pocket 30 is inclined with respect to the lower joint portion 34, and the storage body 4 is inclined in the vertical direction and the horizontal direction with respect to the opening of the pocket 30. It was passed along the direction, but the outer joint 35 may not be present. That is, the storage body 4 may be passed along the horizontal direction or the storage body 4 may be passed along the vertical direction through the opening of the pocket 30.

The mask 1 according to the above embodiment is provided with two pockets 30, but in the present invention, the mask 1 may be provided with only one pocket 30. Further, although the mask 1 according to the above embodiment includes two storage bodies 4, in the present invention, it may be a mask provided with only one storage body 4.

In the present specification, expressions with "abbreviation" such as "substantially parallel" or "substantially orthogonal" may be used. For example, "substantially parallel" means that it is substantially "parallel", and includes not only a strictly "parallel" state but also an error of about several degrees. The same applies to other expressions with "abbreviations".

Further, in the present specification, expressions such as "end" and "end" are used, which are distinguished by the presence or absence of "... part". For example, "edge" means the end of an object, while "end" means a region having a certain range including "edge". Any point within a certain range including the end is considered to be an "end". The same applies to other expressions with "... part".

1 Mask 10 Mask body 30 Pocket 31 Intermediate layer 32 Inner layer 321 Opening surface 36 Moisture permeable part 41 Absorbent core

Claims (7)

At least the mask body that covers the user's mouth,
The pocket provided on the mask body and
Equipped with
The mask body contains polyurethane,
mask. The pocket is elastic,
The mask according to claim 1. The pocket is provided on the skin-side surface of the mask body.
The pocket has a moisture permeable portion having a moisture permeable portion.
The mask according to claim 1 or 2. The moisture permeable portion is made of a breathable non-woven fabric.
The mask according to claim 3. The pocket
An intermediate layer made of a breathable non-woven fabric facing the inside of the pocket,
An inner layer made of polyurethane foam laminated on the skin-side surface of the intermediate layer,
Have,
The moisture permeable portion is composed of a part of the intermediate layer exposed from the opening surface of the inner layer.
The mask according to claim 4. The nonwoven fabric is a polyurethane nonwoven fabric containing polyurethane.
The mask according to claim 4 or 5. Further equipped with an absorbent core housed in the pocket and capable of retaining water retention.
The mask according to any one of claims 1 to 6.

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