JP7478431B2 - mask - Google Patents

Description

The present invention relates to masks, and in particular to sanitary masks that are used primarily in the fields of hygiene, medical care, and other fields and that cover part of the face of the human body.

Concerts and other events have been canceled or postponed to prevent the spread of the new coronavirus. Test performances are being held with conductors and musicians wearing goggles and masks and vinyl partitions set up to see what concerts should look like in the "with COVID-19" era.

String instruments can be played while wearing a mask, but wind instruments such as woodwinds and brass instruments cannot be played while wearing a mask.

Therefore, people are eagerly awaiting the arrival of a mask that allows them to play wind instruments while wearing it.

A mask has been proposed for use when going out without applying makeup around the mouth, immediately after cosmetic surgery around the mouth, when there is a congenital disease, etc., and when it is desired to cover the mouth and the area around the mouth, which is characterized by having a "mask body (11) that covers the mouth (2) and the area around the mouth (3) of the user (1), ear hooks (12) that are provided on the left and right sides of the mask body (11) and that can be hung over the ears (4) of the user (1), an opening (13) provided in the center of the mask body (11), and a lid piece (14) that can be opened and closed and covers the opening (13) from the front side (11a) of the mask body (11)" (Patent Document 1).

However, the mask described in Patent Document 1 is not intended to enable playing of wind instruments while wearing the mask, and since it does not have antibacterial properties, it cannot be used as an anti-virus mask.

JP 2017-2430 A

The present invention aims to provide a mask that allows the user to play a wind instrument while wearing the mask, and is also effective in preventing viruses.

The mask of the present invention comprises a mask body covering the mouth and nose of the user, holding sections provided at both ends of the mask body to hold the mask body on the face of the user, and a humidity-conditioning sheet provided on the back surface of the mask body in a position covering the mouth and nose of the user, the mask body having an elastic layer on both sides of which an antibacterial layer is formed, the humidity-conditioning sheet having a humidity-conditioning layer containing silica gel and polyamide resin on one side of the fabric and bonded to the antibacterial layer of the mask body via the humidity-conditioning layer, a slit penetrating the mask body and the humidity-conditioning sheet is provided in the mask body at a position covering the mouth of the user, and a cover sheet covering the slit is attached to the center of the humidity-conditioning sheet.

The present invention allows the user to play a wind instrument while wearing a mask, and is also effective in preventing viruses.

FIG. 1 is a front view of a mask according to one embodiment of the present invention. FIG. 1 is a rear view of a mask according to one embodiment of the present invention. FIG. 1 is a rear view of a mask according to one embodiment of the present invention. FIG. 2 is a partially enlarged view showing a mask body of a mask according to one embodiment of the present invention. FIG. 2 is a partially enlarged view showing a mask body of a mask according to one embodiment of the present invention. FIG. 1 is a plan view showing a mask according to one embodiment of the present invention. FIG. 2 is a bottom view of a mask according to one embodiment of the present invention. FIG. 1 is a development view of a mask according to one embodiment of the present invention.

＜Overview＞
A mask according to one aspect of the present invention comprises a mask body covering the mouth and nose of a user, retaining sections provided at both ends of the mask body for holding the mask body to the face of the user, and a humidity-regulating sheet provided on the back surface of the mask body in a position covering the mouth and nose of the user, the mask body having an elastic layer on both sides of which an antibacterial layer is formed, the humidity-regulating sheet having a humidity-regulating layer containing silica gel and polyamide resin on one side of a fabric and bonded to the antibacterial layer of the mask body via the humidity-regulating layer, a slit penetrating the mask body and the humidity-regulating sheet is provided in the mask body at a position covering the mouth of the user, and a cover sheet covering the slit is attached to the center of the humidity-regulating sheet.

This aspect allows the user to play a wind instrument while wearing the mask, and is also effective in preventing viruses.

The cover sheet also has an antibacterial layer formed on both sides of the elastic layer.

This allows the slits to be covered from the back of the mask, making it an effective virus protection measure when not playing.

The mask also has a notch on the periphery between the mask body and the retaining part.

This allows the mask to be pulled more easily in the left-right direction (towards the user's ears) through the cutouts, further improving the fit to the face.

The elastic layer is made of polyurethane.

This improves the elasticity of the mask and allows it to fit better on the face.

The fabric is made of cotton.

This means it can be washed repeatedly and feels good against the skin.

<Embodiment>
Hereinafter, a mask according to an aspect of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the following embodiment.

Figure 1 is a front view showing a mask according to one embodiment of the present invention. Hereinafter, the front side of the mask may be referred to as the front side, and the back side as the back side.

In the following drawings, the arrow UP indicates the upward direction, the arrow DN indicates the downward direction, the arrow L indicates the leftward direction, and the arrow R indicates the rightward direction.

The left direction (the direction of arrow L) and the right direction (the direction of arrow R) may be referred to as the "ear direction or ear side" of the mask. Also, the direction from the left direction (the direction of arrow L) or the right direction (the direction of arrow R) toward the center, i.e., the side of the center line 101 of the mask 100, may be referred to as the "center direction or central part side" of the mask.

1. Overall Configuration The mask 100 of this embodiment has a bilaterally symmetrical shape with respect to a virtual center line 101 as an axis of symmetry, and includes a mask body 10 that covers the mouth and nose of a user, and a holding part 20 that holds the mask 100 on the face of the user.

As shown in FIG. 2, in this embodiment, the moisture-conditioning sheet 30 is directly adhered to the back side of the mask 100 (the side that comes into direct contact with the user's mouth and nose).

2. Mask body Fig. 6 is a plan view showing a mask according to an embodiment of the present invention. Fig. 7 is a bottom view showing a mask according to an embodiment of the present invention. For convenience, the cut 50 (see Fig. 1), the cover sheet 60 (see Figs. 2 and 3), and the notches 40 and 41 (see Fig. 1) are omitted in Figs. 6 and 7.

Holding parts 20 are provided at both ends of the mask body 10. Both ends of the mask body 10 refer to the ends extending from the center of the mask body 10 in the left-right direction (towards the ears).

In this embodiment, the mask body 10 and the holding part 20 are integrally formed from the same material. That is, the mask body 10 and the holding part 20 are seamlessly connected together.

As shown in Figures 6 and 7, the mask body 10 has a three-layer structure in which antibacterial layers 2 are formed on both sides of an elastic layer 1.

2-1. Elastic layer There is no particular limitation on the material of the elastic layer 1, but polyurethane is preferable, and porous foamed polyurethane is particularly preferable. Porous foamed polyurethane has excellent elasticity and stretchability, and provides good adhesion to the face when the mask is hung over the ears.

The thickness of the elastic layer 1 is usually 1 to 10 mm, and preferably 2 to 5 mm.

2-2. Antibacterial layer The material of the antibacterial layer 2 is not particularly limited, but polyester yarn with an antibacterial agent kneaded into it is preferable. Specifically, an antibacterial polyester yarn with an antibacterial agent kneaded into it (Ribfresh (registered trademark) P Super, manufactured by KB Seiren Co., Ltd.) and a water-absorbing quick-drying polyester yarn (Soarion (registered trademark) YC, manufactured by KB Seiren Co., Ltd.) are woven and knitted into polyester yarn. By using this polyester yarn, the excellent antibacterial effect of silver ions can suppress the growth of various bacteria, and the capillary phenomenon of the Y-shaped irregular cross section can quickly absorb and dry moisture, keeping the inside of the mask comfortable. In addition, because it has excellent water absorption and quick-drying properties, it also has the advantage of drying quickly even after washing.

It is also possible to coat the surface of the polyester yarn with the antibacterial agent mixed in with a photocatalyst whose main component is tungsten oxide ( _WO3 ), titanium oxide ( _TiO2 ), etc. This is preferable because when light hits the photocatalyst, it exerts a catalytic action and can eliminate organic compounds (viruses, bacteria, odorous substances, etc.) by oxidizing and decomposing them into carbon dioxide and water.

The thickness of the antibacterial layer 2 is usually 0.1 to 1 mm, preferably 0.2 to 0.8 mm.

2-3. Protrusion A three-dimensional protrusion 12 is formed on the upper side of the mask body 10 (see FIGS. 1 and 3). The protrusion 12 is symmetrical with respect to the joint 11.

The protrusion 12 has a mountain-like shape that protrudes gently from the back side of the mask 100 (the side that comes into direct contact with the user's mouth and nose, see Figure 2) to the front side (the side opposite the back side that comes into direct contact with the outside air, see Figure 1).

When the mask 100 is worn, the joint 11 comes into contact with the center of the user's nose (nasal bone), and the protruding portion 12 comes into contact with the ala of the user's nose.

On the other hand, a three-dimensional protrusion 14 is formed on the underside of the mask 100 (see Figures 1 and 4). The protrusion 14 is symmetrical with respect to the joint 13.

The protrusion 14 has a mountain-like shape that protrudes gently from the back side of the mask 100 (the side that comes into direct contact with the user's mouth and nose, see Figure 2) to the front side (the side opposite the back side that comes into direct contact with the outside air, see Figure 1).

When the mask 100 is worn, the joint 13 comes into contact with the line from the user's lips to the jaw (the center line of the lips), and the protruding portion 14 comes into contact with the user's lips and jaw.

3. Holding Part The holding parts 20 are provided at both ends of the mask body 10. Both ends of the mask body 10 refer to the ends extending from the center of the mask body 10 in the left-right direction (towards the ears).

As described above, in this embodiment, the retaining portion 20 is integrally formed with the mask body 10 using the same material. That is, as shown in Figures 6 and 7, the retaining portion 20 also has a three-layer structure in which the antibacterial layer 2 is formed on both sides of the elastic layer 1.

The holding portion 20 has an opening 21 for hanging over the user's ear.

The shape of the opening 21 is not particularly limited, but here it has a horizontally long elliptical shape.
By placing this opening 21 over the user's ears, the centre of the mask is pulled behind the ears, holding the mask in close contact with the user's face.

4. Moisture Conditioning Sheet The moisture conditioning sheet 30 is provided with a moisture conditioning layer (not shown) containing silica gel and polyamide resin on one side of a fabric (not shown). As shown in Figures 2 and 3, this moisture conditioning sheet 30 is directly bonded to the back side of the mask 100 (the side that directly contacts the user's mouth and nose) via the moisture conditioning layer.

The material of the fabric is not particularly limited, and examples thereof include cotton, nonwoven fabric, gauze, polyester resin such as polyethylene terephthalate (PET), synthetic resin such as polyethylene resin, polypropylene resin, rayon, etc., but cotton is preferable. Cotton can be washed repeatedly and feels good against the skin.

4-2. Moisture Conditioning Layer The moisture conditioning layer is made of silica gel and polyamide resin. The polyamide resin acts as a binder to bond the silica gel to the fabric.

A mixture of silica gel and polyamide resin in a specified ratio is coated (single dot processing) on one side of a fabric (e.g. cotton), where the silica gel is transferred and fixed in dots to form a moisture-regulating layer.

4-2-1. Silica Gel Silica gel has excellent moisture control and moisture absorption properties, so it can keep the humidity of the inhaled air (the breath exhaled by the user) inside the mask at a certain level. This prevents the mucous membranes of the throat from being exposed to the dry outside air, and keeps the mucous membranes well moisturized, enhancing defense against viruses.

In addition to moisture, silica gel also has a deodorizing function that adsorbs odor-causing substances dispersed in the air, such as ammonia, trimethylamine, hydrogen sulfide, and mercaptan, as well as nonenal gas, which causes body odor associated with aging.

The silica gel particles preferably have a large number of fine through-holes, and have the function of absorbing moisture in the air by surface adsorption or capillary action in a humid atmosphere, and releasing the absorbed moisture in a dry atmosphere. Therefore, in order to improve the moisture absorption and release functions, the silica gel in this embodiment preferably has a microspace volume of 0.5 to 1.0 ml/g and a surface area of 350 to 650 ^m2 /g.

In addition, the diameter of the micro through holes is preferably 30 to 120 angstroms in order to provide good moisture absorption and other functions.

4-2-2. Polyamide resin The mixing ratio of silica gel and polyamide resin is not particularly limited, but 40-80% by weight of silica gel: 60-20% by weight of polyamide resin is preferable, and 50-70% by weight of silica gel: 50-30% by weight of polyamide resin is particularly preferable. This is because within such a range, the polyamide resin plays a good role as a binder for adhering the silica gel to the fabric.

4-2-3. Preparation of humidity-conditioning sheet A humidity-conditioning sheet is prepared by transferring and adhering a mixture of silica gel and polyamide resin at a predetermined ratio to one side of a fabric (e.g., cotton). Specifically, 50-70% by weight of silica gel and 50-30% by weight of polyamide resin are mixed, and this is coated (single dot processing) (conditions: heat roll temperature: 150-250°C, processing speed: 1-10 m/min) on one side of the fabric (e.g., cotton) to transfer and adhere the silica gel in dots to form a humidity-conditioning layer. Since polyamide resin is present on the surface of the silica gel transferred in dots, it can be bonded to other materials (e.g., antibacterial layer 2 of mask body 10) without using a binder.

The humidity-regulating layer of the humidity-regulating sheet 30 is made by transferring and fixing silica gel in a dot pattern, and because there are spaces between the dots, it has excellent breathability. In addition, even when it is applied to soft fabrics (such as cotton), the texture of the fabric is not damaged.

The position of the humidity-regulating sheet 30 is not particularly limited as long as it is on the back side of the mask 100 and covers at least the mouth and nose of the user, and it can be provided on part or all of the back side of the mask body 10.

As shown in FIG. 2, it is preferable to arrange the humidity-conditioning sheet 30 so that both the upper and lower ends of the humidity-conditioning sheet 30 overlap the periphery (outer edge) 102 of the mask 100.

The size (dimensions, thickness, etc.) of the humidity-regulating sheet 30 is not particularly limited and can be changed as appropriate depending on the size of the mask, etc.

5. Cutting This will be explained mainly with reference to FIG.
A horizontally elongated slit 50 extending in the left-right direction is provided on the mask body 10 at a position covering the user's mouth.

The cut 50 penetrates from the front to the back of the mask body 10, and also penetrates the humidity-regulating sheet 30 provided on the back of the mask body 10.

The cut 50 is linear, but because the center of the mask body 10 is mountain-shaped, in Figure 1 both ends 51 of the cut 50 appear to be slightly raised above the center.

The length of the slit 50 is not particularly limited as it varies depending on the size of the mask, but for masks for adults, it is usually 60 to 80 mm, and preferably 65 to 75 mm.

From the standpoint of virus prevention, it is preferable that the width of the cut 50 be as small as possible while still allowing the wind instrument to be played.

6. Cover Sheet The following will be explained mainly with reference to FIGS.
2 and 3 are rear views of a mask according to one embodiment of the present invention. As will be described later, Fig. 2 shows a state in which the cover sheet 60 is raised to the upper side and does not cover the slits 50 (when playing), and Fig. 3 shows a state in which the cover sheet 60 is lowered to cover the slits 50 (when not playing).

As shown in Figures 2 and 3, a cover sheet 60 that covers the cut 50 is attached to the center of the back surface of the mask body 10, i.e., the center of the humidity-conditioning sheet 30.

The cover sheet 60 has a horizontally elongated shape that extends in the left-right direction of the mask, and one end 61 of the cover sheet 60 (here, the upper end in the longitudinal direction) is directly attached to the humidity-conditioning sheet 30 by a method such as sewing, at a position above the cut 50.

The cover sheet 60 can be raised and lowered up and down using one end 61 as a fulcrum, much like a traditional Japanese curtain.

When playing, the cover sheet 60 is raised upwards, using one end 61 as a fulcrum, as shown in FIG. 2, and the mask 100 is put on.

On the other hand, during normal use (when not playing), the mask 100 is worn with the cover sheet 60 lowered using one end 61 as a fulcrum, as shown in FIG. 3.

In this way, the cover sheet 60 does not always cover the slit 50 in a fixed manner, but can be raised or lowered depending on whether or not the instrument is being played.

The cover sheet 60, like the mask body 10, has a three-layer structure with antibacterial layers formed on both sides of the elastic layer.

The materials for the elastic layer and antibacterial layer can be the same as those for the elastic layer 1 and antibacterial layer 2 exemplified for the mask body 10.

Figure 4 is a partially enlarged view showing the state in which the cover sheet 60 has risen to the upper side and is not covering the cutout 50 (see Figure 2) when playing a wind instrument, etc. In other words, in Figure 4, the cover sheet 60 is not present behind the cutout 50 when viewed from the front of the mask body 10, i.e., on the back of the mask body 10, and a wind instrument can be played with the mask 100 attached.

On the other hand, Figure 5 is a partially enlarged view showing the state in which the cut 50 is covered with the cover sheet 60 (see Figure 3). That is, in Figure 5, the cover sheet 60 is located behind the cut 50 when viewed from the front of the mask body 10, i.e., on the back surface of the mask body 10, and the cut 50 is covered with the antibacterial cover sheet 60. Therefore, measures against viruses are taken when the wind instrument is not being played, etc.

The longitudinal size (length) of the cover sheet 60 is not particularly limited as it varies depending on the size of the mask, etc., but it is preferable that it is slightly larger than the length of the cut 50.

The size (width) of the short side of the cover sheet 60 is not particularly limited as it varies depending on the size of the mask, but for masks for adults, it is usually 40 to 60 mm, and preferably 45 to 55 mm.

7. Notch This will be explained mainly with reference to FIG.
The mask 100 according to this embodiment has triangular notches 40, 41 on the periphery (outer edge) 102 of the mask 100, slightly toward the center side of an imaginary line 23 that perpendicularly contacts the end 22 (end toward the center) of the opening 21. Specifically, the mask 100 according to this embodiment has one notch 40 on each of the left and right sides of the upper periphery 102 and one notch 41 on each of the left and right sides of the lower periphery 102, for a total of four notches 40, 41.

The shape of the notches is not particularly limited, but in this embodiment, the notches 40 and 41 are triangular cuts (slits) that widen from the inside of the mask 100 toward the periphery 102.

The notch 40 on the upper periphery 102 is located closer to the center (i.e., closer to the end of the humidity-conditioning sheet 30) than the notch 41 on the lower periphery 102.

In this embodiment, all four notches 40, 41 have the same shape, but they may have different shapes depending on the location.

By providing the notches 40 and 41 as in this embodiment, the mask 100 can expand and contract by approximately 10% from the center toward the ears. This improves the mask's adhesion to the face, making it even more effective as a virus countermeasure.

There are no particular limitations on the location of the notches 40, 41, or the shape and number of the notches 40, 41, and they are not limited to this embodiment.

5. Method of manufacturing the mask Fig. 8 is a development view, so-called a pattern 110, for producing the mask 100 of this embodiment. The front surface of Fig. 8 corresponds to the front view of the mask 100 shown in Fig. 1, and the back surface of Fig. 8 corresponds to the rear view of the mask 100 shown in Fig. 2 and Fig. 3. A humidity-conditioning sheet 30 (indicated by a dotted line) is adhered to the center of the back surface (rear surface) of Fig. 8.
A cover sheet (not shown) (see Figs. 2 and 3) is attached to the center of the humidity-conditioning sheet 30 (indicated by a dotted line) on the back side (rear side) of Fig. 8. For convenience, notches 40 and 41 (see Fig. 1) are omitted in Fig. 8.

8-1. Preparation of a pattern A three-layered sheet is prepared by forming an antibacterial layer 2 (for example, polyester yarn woven with antibacterial polyester yarn (Ribfresh (registered trademark) P Super, manufactured by KB Seiren Co., Ltd.) kneaded with an antibacterial agent and water-absorbing quick-drying polyester yarn (Soarion (registered trademark) YC, manufactured by KB Seiren Co., Ltd.)) on both sides of an elastic layer 1 (for example, porous foamed polyurethane). Specifically, a three-layered sheet is prepared by frame lamination processing in which soft urethane foam is melted and bonded to the antibacterial layer 2 (antibacterial fabric). Alternatively, the antibacterial layer 2 (antibacterial fabric) may be bonded to both sides of the soft urethane foam. This three-layered sheet constitutes the mask body 10 and the holding part 20 of the mask 100 shown in FIG. 1.

Furthermore, a humidity-conditioning sheet is produced by forming a humidity-conditioning layer containing silica gel and polyamide resin on one side of a fabric (e.g., cotton) in accordance with the above-mentioned method.

Next, the humidity-conditioning layer side of the humidity-conditioning sheet 30 is placed on the center of one side (antibacterial layer 2) of the three-layered sheet, and a coating process (single dot process) (conditions: heat roll temperature: 150-250°C, processing speed: 1-10 m/min) is performed to transfer and fix the silica gel in dots. Such a sheet is punched out into a specified shape as shown in Figure 8, and a template for making the mask 100 is prepared.

8-2. Fabrication of a mask The V-shaped ends 11A and 11B on the upper side of the paper pattern 110 shown in Fig. 5 are sewn together in a mountain shape to form a three-dimensional protrusion 12 (see Figs. 1 and 6). The V-shaped ends 13A and 13B on the lower side of the paper pattern 110 shown in Fig. 8 are sewn together in a mountain shape to form a three-dimensional protrusion 14 (see Figs. 1 and 7).

In this way, the mask 100 of this embodiment can be produced, in which the humidity-conditioning sheet 30 is attached via a humidity-conditioning layer to the back surface of the mask body 10 in a position that covers the user's mouth and nose.

There are no particular limitations on the size of the mask, but it can have dimensions of, for example, 420 x 144 mm (large size), 380 x 144 mm (medium size), or 356 x 144 mm (small size).

9. Wind Instruments There are no particular limitations on the type of wind instrument, and examples include woodwind instruments such as piccolo, flute, oboe, clarinet, bassoon, and saxophone, and brass instruments such as horn, trumpet, trombone, tuba, cornet, flugelhorn, euphonium, and Wagner tuba.

10. Eating and Drinking The mask 100 of the present embodiment not only allows a person to play a wind instrument while wearing the mask 100, but also allows the person to eat and drink.

When hydrating, inserting the tip of a straw inserted into a container such as a plastic bottle or a thermos containing tea, juice, or other drink into the slit 50 causes the cover sheet 60 to rise, creating a space. This allows the tip of the straw to reach the user's mouth, allowing the user to drink the drink while wearing the mask 100.

In addition, if a straw or the like is not used, the tip of a container containing a drink can be gently pushed through the slit 50 so that the tip of the container reaches the user's mouth, allowing the user to drink the drink directly from the container while wearing the mask 100, without using a straw or the like.

In addition, if the user wishes to ingest small foods such as candy (salty candy, etc.), gum, biscuits, crackers, etc., the user can ingest the food while wearing the mask 100 in the same manner as for drinks.

In this way, the user can consume drinks and eat food while wearing the mask 100, so there is no need to remove the mask 100 each time to hydrate, etc., and it is also effective in preventing heatstroke.

In addition, the mask 100 can be worn to easily replenish fluids during sports activities such as marathon running.

<Modification>
Although the mask according to one embodiment has been described above, the present invention is not limited to this embodiment, and may be modified as follows, for example. The embodiment may be combined with a modified example, or modified examples may be combined with each other. Examples not described in the embodiment or modified examples, and design changes within the scope of the gist of the present invention are also included in the present invention.

1. Antibacterial Layer The antibacterial layer of the mask according to this embodiment means antibacterial in a broad sense, and does not necessarily have to completely kill bacteria and viruses. For example, it may be a bacteria-eliminating layer, a germicidal layer, or a sterilizing layer.

2. Cutout Although the cutout 50 in the embodiment is a horizontally elongated straight line extending in the left-right direction, the shape of the cutout in the present embodiment is not particularly limited, and may be, for example, a T-shape.
Further, although the number of the notches 50 in the embodiment is one (one line), the number of the notches in the embodiment is not particularly limited, and may be, for example, two (two lines) or more.

3. Cover Sheet In the embodiment, the cover sheet 60 has a three-layer structure in which antibacterial layers are formed on both sides of an elastic layer, but is not limited to this.

In addition, in the embodiment, the cover sheet 60 can be raised and lowered vertically using one end 61 as a fulcrum, but it may also be opened and closed horizontally using the short end as a fulcrum.

In addition, in the embodiment, one end 61 of the cover sheet 60 is directly attached to the humidity-conditioning sheet 30 by a method such as sewing, but the attachment method is not limited to this, and it may be attached, for example, by adhesion, welding, Magic Tape (registered trademark), snap buttons, etc.

4. Notches In the embodiment, the notches 40 and 41 are provided, but they may be omitted.

5. Retaining Section In the embodiment, the mask body 10 and the retaining section 20 are integrally formed from the same material, but they may be formed from separate members. For example, the retaining section 20 may be a string-like type that is tied behind the ears.

6. Protrusion Although the protrusion 12 is formed by sewing together the ends 11A, 11B, the protrusion may be joined by welding (with a high frequency welder) or by an adhesive.

In addition, the protrusion 14 is formed by sewing together the ends 13A and 13B, but they may also be joined by welding (with a high-frequency welder) or adhesive, etc.

In this embodiment, the length of the joint 11 is configured to be slightly longer than the length of the joint 13 to slightly change the three-dimensional shape of the protrusions 12, 14 on the upper and lower sides of the mask 100, but the length of the joint 11 may be shorter than the length of the joint 13 or may be the same length.

By creating a difference in length between joints 11 and 13, the three-dimensional shapes of protrusions 12 and 14 at the top and bottom of the mask 100 are different, making it easier for the mask 100 to fit closely to the face.

When wearing the mask 100 on the face, the protruding part 12 is usually placed on the nose side and the protruding part 14 on the lips and chin, but the mask 100 can also be used upside down. In this way, by placing the shorter joint on the top and the longer joint on the bottom, the mask can be more closely fitted to the face.

8. Marking A mark (marker) such as a diamond or circle may be attached to the side of the edge 22 of the opening 21 (i.e., between the edge 22 and the edge of the humidity-conditioning sheet 30) to add design features. The mark may be cut out, painted, or attached with a sticker.

In addition, depending on the size of the mask (e.g., L, M, S), the design of the marks, the number of marks, the positions of the marks, etc. may be changed so that they can be visually distinguished at a glance.

The mask according to the embodiment of the present invention allows the wearer to play wind instruments while wearing the mask, and also allows them to eat and drink, including for hydration, so it is expected to be used not only in the wind instrument industry, but also in the sports industry, such as marathons, triathlons, and race walking.

100 Mask 10 Mask body 20 Holding part 30 Moisture conditioning sheet 50 Slit 60 Cover sheet

Claims (5)

A mask body that covers the user's mouth and nose;
a holder provided at each end of the mask body for holding the mask body on the user's face;
a moisture-conditioning sheet provided on the back surface of the mask body in a position covering the mouth and nose of the user;
The mask body has an elastic layer and antibacterial layers formed on both sides of the elastic layer.
The humidity-conditioning sheet is provided with a humidity-conditioning layer containing silica gel and polyamide resin on one side of a fabric, and is adhered to the antibacterial layer of the mask body via the humidity-conditioning layer,
A cut is provided in the mask body at a position covering the user's mouth, the cut penetrating the mask body and the humidity conditioning sheet,
The mask is characterized in that a cover sheet that covers the incision is attached to the center of the humidity conditioning sheet. The mask according to claim 1 , wherein the cover sheet has an elastic layer and antibacterial layers formed on both sides of the elastic layer. The mask according to claim 1 or 2, further comprising a notch on a periphery of the mask between the mask body and the holding portion. The mask according to any one of claims 1 to 3, wherein the elastic layer is made of polyurethane. The mask according to any one of claims 1 to 4, wherein the fabric is made of cotton.

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