WO2022102347A1

WO2022102347A1 - Mask

Info

Publication number: WO2022102347A1
Application number: PCT/JP2021/038401
Authority: WO
Inventors: 彰永松; 朋子市村; 悠二関戸; 薫藤田
Original assignee: 小林製薬株式会社
Priority date: 2020-11-13
Filing date: 2021-10-18
Publication date: 2022-05-19
Also published as: CN114765943A; TW202220723A; JP2022078903A

Abstract

[Problem] To provide a mask with which there is no risk of the hands becoming dirty during use, for example, and with which there is no risk of the entire mask becoming wet and imparting a feeling of discomfort to the user when worn. [Solution] A mask 1 includes a vapor generating body 3 internally accommodating a water bag 7 filled with water, and a mask main body 2 which is fitted to the face of a user and which can be equipped with the vapor generating body 3, wherein the water bag 7 opens when subjected to a pressing force, allowing the water to flow out, and the vapor generating body 3 is breathable and is capable of containing the water that has flowed out from the water bag 7.

Description

mask

The present invention relates to a mask to be worn on the face, and particularly to a mask having a humidifying function.

Traditionally, masks have been widely used as a protective measure against fine dust such as pollen and yellow sand, and as a countermeasure against infection such as viruses and bacteria. Recently, the functions of masks have been diversified, and various masks have been proposed.

For example, during sleep, the oral cavity tends to dry because there is no food or drink or saliva swallowing. In addition, the air is generally dry in winter, and the air conditioner operates all year round in the office even outside winter. Therefore, there are many environments in which the air tends to dry even during the day, and the oral cavity tends to dry. In order to prevent the oral cavity from drying, for example, Patent Document 1 discloses a mask having a humidifying function. In the mask of Patent Document 1, by accommodating a filter holding water in the accommodating portion, the water content of the filter becomes vapor and is supplied to the oral cavity each time the person breathes. Therefore, it is possible to prevent the oral cavity from drying out. It was

The mask of Patent Document 1 can satisfactorily humidify the oral cavity, but it is troublesome because the user needs to store a wet filter in the storage portion when using the mask, and the filter is not only water but also a moisturizer. Since it contains various chemicals such as preservatives and preservatives, there is a problem that the hands get dirty when the user touches them. In addition, there is a problem that it is easy to mold during storage before use due to the adsorption of the preservative on the filter.

Patent Document 2 discloses a mask containing a water bag containing water. The mask of Patent Document 2 can be used as a wet mask by pressing the mask during use to tear the water bag and opening the mask, and by allowing the water in the water bag to wet the entire mask.

Japanese Unexamined Patent Publication No. 2012-205926 Utility Model Registration No. 3178657

The mask of Patent Document 2 is configured so that the mask itself gets wet with water when the water bag is opened. Therefore, when the user wears the mask on the face, the mask wet with water touches the skin not only on the mouth but also on a wide range of the face, which causes discomfort to the user.

The present invention has been made by paying attention to the above problems, and provides a mask that does not cause the hand to get dirty during use and does not cause the entire mask to get wet with water and cause discomfort to the user when worn. The purpose is to do.

The present invention relates to a mask having a humidifying function. The mask of the present invention includes a steam generator in which a water bag containing water is housed, and a mask body that is attached to the user's face and can be equipped with the steam generator. The water bag is characterized in that it can be opened by receiving a pressing force to allow water to flow out, and the steam generator is breathable and can contain water flowing out of the water bag. ..

The mask of the present invention is preferably configured such that the viscosity of the water is 3000 mPa · s or more and 7000 mPa · s or less.

According to the mask of the present invention, there is no risk that the hands will get dirty during use, and it is possible to prevent the entire mask from getting wet with water and causing discomfort to the user when wearing the mask.

It is a perspective view of the mask of this embodiment. It is a front view of the mask of this embodiment. It is a top view of the mask of this embodiment. It is sectional drawing of a steam generator. It is a figure explaining the use method of the mask of this embodiment.

Hereinafter, embodiments of the mask of the present invention will be described with reference to the attached drawings.

1 to 3 show the appearance of the mask 1 of the present embodiment. The mask 1 includes a mask body 2 worn on the user's face and a steam generator 3 capable of emitting steam. The steam generator 3 is provided in the mask body 2. Further, the mask 1 includes a pair of ear hook bands 4, and the pair of ear hook bands 4 are attached to the left and right side portions of the mask main body 2. Hereinafter, the direction connecting the pair of ear hook bands 4 (horizontal direction in FIGS. 2 and 3) is referred to as a width direction, and the direction orthogonal to the width direction (vertical direction in FIGS. 1 and 2) is referred to as a vertical direction.

The mask body 2 is breathable and covers a part of the user's face (the area under the eyes, especially the nose and mouth). The mask main body 2 exhibits a symmetrical shape with the width center line H (shown in FIG. 2) interposed therebetween. The width center line H exhibits a shape that is convexly curved toward a direction away from the pair of ear hook bands 4 when the mask main body 2 is folded in half with the width center line H as a crease. As a result, when the double-folded mask body 2 is unfolded and attached to the face, the mask body 2 exhibits a three-dimensional shape, and in the central portion in the width direction of the mask body 2, between the mouth and nostrils and the mask body 2. A space is formed in.

The upper and lower edges of the mask body 2 are inclined diagonally downward and diagonally upward so that the vertical width gradually narrows toward the outside (left side and right side) in the width direction. The left and right side edges of the mask main body 2 have a shape in which the central portion in the vertical direction forms a concave portion 20 which is curved in a concave shape, and a pair of protrusions 21 are provided so as to sandwich the concave portion 20 in between. The ear hook band 4 is attached so as to connect the pair of protrusions 21.

The mask main body 2 is composed of a first sheet 5 and a second sheet 6 superposed on the first sheet 5, the second sheet 6 is arranged on the face side, and the first sheet 5 is on the opposite side of the face. Will be distributed. For the two

sheets

5 and 6, the outer peripheral edges excluding the upper edge are joined to each other with a predetermined width by a known method such as heat welding, ultrasonic welding, sewing, etc., and the outer peripheral edges are predetermined along the width center line H. The mask body 2 is formed by joining from the upper edge to the lower edge with the width of. The mask main body 2 is provided with an accommodating portion 22 capable of accommodating the steam generator 3 between the two

sheets

5 and 6 by superimposing the two

sheets

5 and 6. In the present embodiment, a pair of left and right accommodating portions 22 are provided on the mask main body 2 with the width center line H interposed therebetween.

The mask body 2 may be formed by joining a pair of symmetrically shaped mask pieces at the width center line H. The mask piece is composed of two sheets, which are about half the size of the first sheet 5 and the second sheet 6, and is formed by joining the outer peripheral edges of the two sheets excluding the upper edge with a predetermined width. ..

An opening 23 is formed on the upper edge of the mask main body 2 by not joining the two

sheets

5 and 6, and the steam generator 3 can be taken in and out of the accommodating portion 22 through the opening 23. In the present embodiment, a pair of left and right openings 23 that sandwich the width center line H are formed in the mask main body 2 corresponding to the pair of left and right accommodating portions 22.

The mask main body 2 is formed with a joint portion 24 for holding the steam generator 3 in the accommodating portion 22 at a predetermined position. The joint portion 24 is formed by linearly joining the first sheet 5 and the second sheet 6 using known methods such as heat welding, ultrasonic welding, and sewing. The joint portion 24 is formed of a substantially horizontal portion extending in the left-right direction along the lower edge of the steam generator 3 and a vertical portion extending in the vertical direction along a part of one of the left and right side edges. The unit 24 regulates the movement of the steam generator 3 in the accommodating unit 22 downward or to the left or right.

The first sheet 5 is formed using a breathable material. The second sheet 6 is formed by using a material having breathability and moisture permeability. Moisture permeability is a property that allows vapor (water molecules) to pass through. Since the second sheet 6 has moisture permeability, the steam generated from the steam generator 3 in the accommodating portion 22 passes through the second sheet 6 and is supplied to the user's face side. The moisture permeability of the second sheet 6 is not particularly limited as long as the steam generated from the steam generator 3 can pass through. Normally, a breathable sheet also has moisture permeability.

For the first sheet 5 and the second sheet 6, sheet-like fibers such as woven fabric and non-woven fabric can be used, and among them, non-woven fabric can be preferably used. As fiber materials for woven fabrics and non-woven fabrics, 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 are used. It can be exemplified. Among them, polypropylene and polyethylene can be preferably exemplified from the viewpoint of productivity, polypropylene can be preferably exemplified from the viewpoint of shape retention of the mask body 2, and the mask body 2 can be touched to the user. Can preferably exemplify nylon.

When a non-woven fabric is used for the first sheet 5 and the second sheet 6, for example, a spunbonded non-woven fabric, a melt-blown non-woven fabric, a thermal-bonded non-woven fabric, or a spunlaced non-woven fabric can be used. Among them, a spunbonded nonwoven fabric can be preferably used from the viewpoint of shape retention of the mask body 2, and a melt blow nonwoven fabric can be preferably used from the viewpoint of cutting performance against pollen, viruses and the like of the mask body 2. The first sheet 5 and the second sheet 6 can have a single-layer structure or a laminated structure of two or more layers, and examples of the laminated structure include SS non-woven fabric (two-layer structure of spunbond non-woven fabric / spunbond non-woven fabric) and SMS. A non-woven fabric (three-layer structure of spunbond non-woven fabric / melt blow non-woven fabric / spunbond non-woven fabric) and the like can be exemplified.

For example, since the second sheet 6 on the face side preferably has a good touch, a spunbonded non-woven fabric made of polypropylene can be preferably used, and the first sheet 5 on the opposite side to the face has good shape retention. Therefore, an air-through non-woven fabric made of polypropylene can be preferably used.

In the present embodiment, the mask main body 2 is composed of two

sheets

5 and 6, but for example, another sheet is superposed on the front side (opposite side of the face) of the first sheet 5 to have three or more layers. May be a laminated structure.

As shown in FIG. 4, the steam generator 3 houses the water bag 7 inside. The water bag 7 has a sealed bag shape, and water is sealed inside. The material forming the water bag 7 is not particularly limited as long as it is a material that does not leak or seep out the enclosed water, and a conventionally known impermeable and non-breathable (non-breathable) bag is used. Can be done. The impermeable means includes impervious water that is difficult to permeate water and impermeable water that does not permeate water.

Only water may be sealed in the water bag 7, but other components may be added with water as the main component. 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 safe. Glycerin is exemplified in terms of sex. 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 , 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 added to water as appropriate.

The amount of water enclosed in the water bag 7 is not particularly limited, but is preferably an amount capable of supplying a sufficient amount of steam to the user for a long period of time such as during sleep, and is preferably 2 g or more, for example. It is more preferably 4 g or more. On the other hand, from the viewpoint of suppressing the deterioration of the usability of the mask 1 due to the weight of the water when the mask 1 is attached, the amount of water is preferably, for example, 7 g or less, and preferably 5 g or less. More preferred. When other components are added to water, the amount of water including the added other components may be within the above range.

The viscosity of the water enclosed in the water bag 7 is not particularly limited, but if the viscosity of the water is too low, the water vigorously flows out from the water bag 7 into the steam generator 3 when the water bag 7 is opened. Depending on the sealing strength of the sealing portion 33 on the outer peripheral edge of the steam generator 3, which will be described later, the sealing portion 33 may be damaged by the pressure of water. On the other hand, if the viscosity of water is too high, it may be difficult for water to flow out from the water bag 7 into the steam generator 3 when the water bag 7 is opened. Therefore, the viscosity of water at 25 ° C. is preferably 3000 mPa · s or more and 7000 mPa · s or less, and more preferably 4000 mPa · s or more and 6000 mPa · s or less. When measuring the viscosity of water in the range of less than 1000 mPa · s, use a B-type viscometer (TV-10 type, manufactured by Toki Sangyo Co., Ltd.) to obtain SPINDLE No. It is measured at a rotation speed of 30 rpm at 25 ° C. using an M2 rotor. When measuring the range of 1000 mPa · s or more and less than 2500 mPa · s, SPINDLE No. 1 with a B-type viscometer (TV-10 type, manufactured by Toki Sangyo Co., Ltd.). Measured at a rotation speed of 12 rpm at 25 ° C. using an M2 rotor. When measuring a range of 2500 mPa · s or more and less than 10000 mPa · s, SPINDLE No. Measured at a rotation speed of 12 rpm at 25 ° C. using an M3 rotor. When measuring a range of 10000 mPa · s or more and less than 20000 mPa · s, SPINDLE No. Measured at a rotation speed of 12 rpm at 25 ° C. using an M4 rotor.

The water bag 7 has a structure that can be opened by receiving a pressing force and the water sealed inside can flow out to the outside (inside the steam generator 3). Here, the pressing force means a force that allows the user to apply pressure to the steam generator 3 while the steam generator 3 containing the water bag 7 is sandwiched between one hand or both hands, for example. As the above-mentioned structure, for example, an easy break line is provided in the water bag 7 so that at least a part of the water bag 7 is torn when the pressure is applied, or the outer peripheral edge of the water bag 7 is provided with the pressure. Various conventionally known structures can be used, such as providing a portion having a weak seal strength in the seal portion 70 so that at least a part of the seal portion 70 (shown in FIG. 4) is damaged by water pressure.

The steam generator 3 that houses the water bag 7 has a sealed bag shape. The steam generator 3 retains the water in the steam generator 3 by containing (absorbing) the water flowing out from the water bag 7, suppresses the water from leaking from the steam generator 3, and is used by the user. It has a structure that can generate steam by breathing.

Specifically, the vapor generator 3 is formed by using a main sheet 30 in which, for example, a fiber material, a water-absorbent resin material, a sponge-like resin material, or the like is formed in a sheet shape. The main sheet 30 has a function of containing (absorbing) the water flowing out of the water bag 7, and the water held by the steam generator 3 evaporates due to the user's breathing while allowing the air to pass through the user's breathing. It is a sheet having a function of generating steam by means of water.

Examples of the sheet-like fiber used for the main sheet 30 include woven fabrics and non-woven fabrics, and among them, non-woven fabrics can be preferably mentioned. As fiber materials for woven fabrics and non-woven fabrics, for example, natural fibers such as pulp and cotton; semi-synthetic fibers such as rayon and acetate; synthetic fibers such as polypropylene, polyethylene, polyester (for example, polyethylene terephthalate), acrylic, nylon and polyvinyl chloride. Fibers; these mixed fibers and the like can be exemplified.

Among them, a non-woven fabric using pulp can be preferably used for the main sheet 30, and the manufacturing method thereof is not particularly limited, but it can be manufactured by an airlaid method or the like, and is mainly produced from the viewpoint of productivity, processability and durability. It is preferable to blend heat-bondable fibers such as polyethylene with the pulp as a component in a predetermined ratio. The main sheet 30 in this example has a basis weight of 200 g / m ² or more, more preferably 300 g / m ² or more, and 500 g / m ² or more in order to retain the water flowing out from the water bag 7. Is more preferable. On the other hand, if the basis weight of the main sheet 30 is too large, the steam generator 3 becomes hard and the user may feel uncomfortable when wearing the mask 1. Therefore, the basis weight of the main sheet 30 should be 1500 g / m ² or less. Is more preferable, and it is more preferably 1000 g / m ² or less, and further preferably 600 g / m ² or less.

In addition, a sheet-like fiber containing an absorbent resin, for example, a SAP sheet containing a super absorbent polymer (SAP) can be preferably used for the main sheet 30. The SAP sheet is a non-woven fabric in which SAP is supported and dispersed (for example, an air-laid non-woven fabric).

The steam generator 3 can have a single layer of the main sheet 30 or a multi-layer structure in which the main sheet 30 is combined with another sheet, and is a pair having breathability and moisture permeability from the viewpoint of durability and water retention. It is preferable to have a three-layer structure in which the main sheet 30 is sandwiched between the

sheets

31 and 32. For the pair of

sheets

31 and 32, sheet-like fibers such as woven fabric and non-woven fabric can be used, and among them, non-woven fabric can be preferably used. The pair of

sheets

31 and 32 may be made of the same material or may be made of different materials. Examples of the material of the pair of

sheets

31 and 32 include hydrophilic natural fibers, hydrophobic synthetic fibers, and blended fibers thereof, and as natural fibers, rayon and cotton can be preferably mentioned, and rayon can be mentioned. Can be mentioned more preferably. If it is made hydrophilic, it is easy for the main sheet 30 to absorb water, which has an advantage that it is easy to manufacture. As the synthetic fiber, polyethylene, polypropylene and polyester (for example, polyethylene terephthalate) can be preferably mentioned, and polyethylene and polypropylene can be preferably mentioned. Hydrophobicity has the advantage of preventing wetting and stickiness. Therefore, it is preferable to form the sheet 31 on the outside (opposite side of the water bag 7) of the main sheet 30 with synthetic fibers and the sheet 32 on the inside (side of the water bag 7) with natural fibers such as rayon. It is preferable that the pair of

sheets

31 and 32 have a basis weight of 20 g / m ² or more and 50 g / m ² or less, for example.

The vapor generator 3 is used, for example, for a filter made of the same material as the water-retaining filter used for a conventional mask, or for a body fluid-absorbing article that absorbs body fluids such as cages, menstrual blood, sweat, and urine. It is possible to use the same material as the absorber to be used.

The steam generator 3 consists of two inner sheets 32, two main sheets 30 arranged outside each inner sheet 32, and two outer sheets 31 arranged outside each main sheet 30, for a total of six sheets. Sheets of the same shape and size are laminated and the outer peripheral edges are joined to each other with a predetermined width by a known method such as heat welding, ultrasonic welding, or sewing to form a bag shape. In addition, a laminated sheet in which the inner sheet 32, the main sheet 30, and the outer sheet 31 having the same shape and size are integrated is prepared in advance, the two laminated sheets are laminated, and the outer peripheral edge is heat-melted with a predetermined width, for example. The steam generator 3 may be formed in a bag shape by joining using known methods such as welding, ultrasonic welding, and sewing.

The sealing strength of the sealing portion 33 on the outer peripheral edge of the steam generator 3 is not particularly limited, but the sealing portion 33 is damaged by the pressure of the water when the water flows out from the water bag 7, and the water is outside the steam generator 3. It is preferable that the seal strength is set so as not to leak to.

The pair of ear hook bands 4 is for holding the mask body 2 on the user's face, and can be hooked on the user's left and right ears. As a method of attaching the ear hook band 4 to the mask main body 2, for example, known methods such as heat welding, ultrasonic welding, and sewing can be used. The material of the ear hook band 4 is not particularly limited, but it is preferable to use a stretchable string-shaped or band-shaped material such as polyester. As a means for holding the mask body 2 on the user's face, various means other than the ear hook band 4 may be used. For example, adhesive layers are provided on the left and right sides of the mask body 2. The left and right sides of the mask body 2 may be attached to the user's face via the pressure-sensitive adhesive layer, or holes may be formed in the left and right sides of the mask body 2 to allow the ears to enter. The left and right side portions of the mask body 2 may be hooked on the left and right ears of the user.

As described above, in the mask 1 of the present embodiment described above, as shown in FIG. 5, the user uses his / her hand from above the mask body 2 in a state where the steam generator 3 is housed in the housing portion 22 of the mask body 2. By pressing the steam generator 3, the water bag 7 in the steam generator 3 is opened, water flows out from the water bag 7, and the steam generator 3 is impregnated (absorbed) with water. Then, when the user wears the mask 1 on his face and breathes, air passes through the steam generator 3, and at this time, the water held by the steam generator 3 evaporates to generate steam, so that steam is generated. Is supplied to the user's oral cavity, and the oral cavity can be satisfactorily humidified to prevent the oral cavity from drying out.

Further, according to the mask 1 of the present embodiment, since the steam generator 3 can contain (absorb) water and hold it, the water flowing out from the water bag 7 leaks to the outside and the mask body 2 gets wet. Can be suppressed. Therefore, there is no risk of causing discomfort to the user when the mask 1 is worn on the face.

Further, according to the mask 1 of the present embodiment, unlike the conventional product, the user does not need to accommodate the wet filter in the accommodating portion, and only presses the steam generator 3 at the time of use, which is troublesome. In addition, there is no risk that the user's hands will get dirty with water. Further, since the water is sealed in the water bag 7, it is possible to prevent mold from forming on the steam generator 3 during storage before using the mask 1.

Further, according to the mask 1 of the present embodiment, since the viscosity of the water in the water bag 7 is 3000 mPa · s or more and 7000 mPa · s or less, water is discharged from the water bag 7 into the steam generator 3 when the water bag 7 is opened. It is possible to prevent the steam generator 3 from being damaged because it does not flow out vigorously.

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.

As a modification, in the above embodiment, the mask body 2 is formed by stacking at least two

sheets

5 and 6, and the steam generator 3 is housed between the two

sheets

5 and 6. The mask body 2 can be equipped with the steam generator 3. However, the method of allowing the mask body 2 to be equipped with the steam generator 3 is not particularly limited. For example, a method of attaching a pocket for storing the steam generator 3 to the mask body 2 and storing the steam generator 3 in the pocket is used. It may be adopted.

As another modification, in the above embodiment, the mask body 2 has a three-dimensional structure that forms a large space between the nostrils and the mouth when attached to the face. However, the structure of the mask body 2 is not particularly limited. For example, the mask body 2 is flat before use, and at the time of use, one or a plurality of pleats are spread so as to extend in the vertical direction and attached to the user's face. It may have a structure (a structure that is more closely attached to the surface of the face than a three-dimensional structure).

1 Mask 2 Mask body 3 Steam generator 7 Water bag

Claims

A steam generator that contains a water bag that encloses water,
A mask body worn on the user's face, including a mask body capable of equipping the steam generator.
The water bag can be opened and drained by receiving pressing pressure.
The mask is characterized in that the steam generator is breathable and can contain water flowing out of the water bag.
The mask according to claim 1, wherein the viscosity of the water is 3000 mPa · s or more and 7000 mPa · s or less.