JP2008093285A - Mask - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mask allowing a wearer to easily expire through the nose or mouth while functioning as the mask and simplifying the constitution. <P>SOLUTION: A mask body 1 is formed of a body cloth 7 whose upper/lower/left/right parts are hemmed with an upper-side nose abutment edge 2 coming into contact with the nose of a face of the wearer 31, left/right cheek abutment edges 3 and 5 abutting on the cheeks, and a lower-side chin abutment edge 6 coming into contact with the chin, and the both left/right chin edges of the body cloth 7 are provided with ear loops 9 and 9 for being hung around the ears. The central part 12 of the body cloth 7 facing the nostrils is formed with a plurality of cuts 13 cut into segments such as a linear shape. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a mask that covers a nose, a mouth, and the like of a wearer's face.

  The mask protects the nose and mouth from pollen, bacteria, dust, and the like, and captures saliva and the like associated with coughing and sneezing. This mask has a mask body made of gauze, nonwoven fabric, or the like, and a pair of ear hooks provided on the left and right sides of the mask body.

  In the conventional mask, since the mask main body becomes a resistance when exhaling, the wearer is likely to feel breathlessness. On the other hand, a mask body provided with an exhaust valve and an exhaust hole so as to easily exhale from the nose or mouth is known (see, for example, Patent Documents 1 to 3).

  That is, Patent Document 1 discloses a dust-proof mask provided with an exhaust valve. Patent Document 2 discloses a mask provided with an exhaust valve for discharging breath exhaled from a mouth. Patent Document 3 discloses a mask provided with a hole for discharging breath.

JP 2000-288104 A (FIG. 1-2) JP 2002-345985 A (FIGS. 2 and 5) JP 2003-210600 A (FIG. 1)

  In Patent Document 1, an exhaust valve is arranged in the exhaust tube, and the structure becomes complicated and the mask is bulky. Even in Patent Document 2, the structure is complicated by the amount of the exhaust valve. In Patent Document 3, the exhaust hole communicates with the breathing port, and there is a problem in that outside air is sucked from the breathing port even when breathing in, and the function as a mask may not be performed.

  Accordingly, an object of the present invention is to provide a mask that can easily exhale from the nose or mouth while fulfilling the function as a mask, and has a simple configuration and can be manufactured at low cost.

The mask according to the present invention has an upper and lower nose contact edge 2 in contact with the nose of the face of the wearer 31, left and right cheek contact edges 3 and 5 in contact with the cheeks, and a lower jaw contact edge 6 in contact with the chin. In the mask body 1 provided with ear hooks 9 and 9 to be hooked to the ears on the left and right cheek edges 3 and 5 of the body base cloth 7 with the right and left edges,
The main body base fabric 7 is composed of a non-woven fabric,
A first feature is that a plurality of cuts 13 cut into line segments are put in the main body base fabric 7 (FIGS. 1 and 2).

  A second feature of the mask according to the present invention is that, in addition to the first feature, cutting is performed along a center line XX that bisects the main body base fabric 7 on the left cheek edge side and the right cheek edge side. The shape of the cut edge 10 of the main fabric 7 is a curved shape protruding outside the main fabric 7.

A third feature of the mask according to the present invention is that, in addition to any of the first and second features, a left cheek edge 3 and a right cheek edge 5 of the main body base cloth 7 are provided on the left and right sides. It is divided into the cheek support parts 16 and 17 and the nose pad part 19 at the center of the left and right.
It is in the point which has made the cut 13 in the nose pad part 19 of the center part.

  A fourth feature of the mask according to the present invention is that, in addition to the third feature, the chin contact is made from the central portion 12 located in the middle of the nasal contact edge 2 and the chin contact edge 6 in the central nose contact portion 19. A cut 13 is made in the lower portion 15 toward the edge 6 (FIG. 5).

A fifth feature of the mask according to the present invention is that, in addition to any of the first, second, third, and fourth features, the notch 13 inserted in the main body base fabric 7 has a left cheek edge 3. And the right cheek edge 5 has a curved shape that continues in the facing direction,
The length M of the curved shape of each cut 13 is set to be longer than the distance L between both ends of the cut 13.

The sixth feature of the mask according to the present invention is that, in addition to any of the first, second, third, fourth, and fifth features, the main body base fabric 7 is formed by superposing a plurality of non-woven fabrics. It has a laminated structure,
Each of the nonwoven fabrics has a cut 13 (FIGS. 8, 9, and 10).

  The seventh feature of the mask according to the present invention is that, in addition to any of the first, second, third, fourth, fifth and sixth features, the left cheek edge 3 and the right cheek edge 5 A plurality of cuts 13 are intermittently arranged in the direction in which the two face each other (FIG. 11).

The eighth feature of the mask according to the present invention is that in addition to any of the first, second, third, fourth, fifth, sixth, and seventh features, the left cheek edge 3 and the right cheek The arrangement width W _u on the nose contact edge 2 side of the cut 13 following the direction in which the contact edge 5 faces is smaller than the arrangement width W _d on the jaw contact edge 6 side (FIG. 5).

The ninth feature of the mask according to the present invention is that, in addition to any of the first, second, third, fourth, fifth, sixth, seventh, and eighth features, the ear hooks 9 and 9. Is made of non-woven fabric,
Ear hooks 9 and 9 are joined to the left and right cheek edges 3 and 5 (FIGS. 2 and 6),
The basis weight of the nonwoven fabric of the ear hooks 9 and 9 is less than the basis weight of the nonwoven fabric of the main body base fabric 7,
The elongation at break of the nonwoven fabric of the ear hooks 9 and 9 is large, and the elongation at break of the nonwoven fabric of the main body base fabric 7 is also large.
The elongation stress at the time of extension of 5% of the nonwoven fabric of the ear hooks 9 and 9 is smaller than the elongation stress at the time of extension of 5% of the nonwoven fabric of the main body base fabric 7, and the nonwoven fabric of the ear hooks 9 and 9 It is easier to stretch than non-woven fabrics.

  According to a tenth feature of the mask of the present invention, in addition to any of the first, second, third, fourth, fifth, sixth, seventh, eighth, and ninth features, The core-sheath composite synthetic fiber in which the core component is a high-melting polymer whose melting point is higher than that of the sheath component polymer, and the sheath component is a heat-fusible low-melting-point polymer, It is used, and the fibers constituting the nonwoven fabric of the ear hooks 9 and 9 and the nonwoven fabric of the main body base fabric 7 are joined by the heat-fusible sheath component.

  The eleventh feature of the mask according to the present invention is in addition to any of the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, and tenth features. The nonwoven fabric that constitutes the main body base fabric 7 includes ultrafine fibers.

In the mask of the present invention, since a plurality of cuts 13 are made in the central portion 12 of the main body base cloth 7, when breathing out from the nose or mouth with the mask attached, each of the central portions 12 of the main body base cloth 7. The cuts 13 are opened (see FIG. 4A), and a part of the breath can be discharged out of the mask through the cuts 13, and the remaining breath can pass through the mask body 1 and be discharged out of the mask.
That is, saliva and the like due to coughing and sneezing are almost certainly captured by the mask body 1, and a part of the breath is discharged out of the mask through each notch 13, so that the mask body 1 discharges the breath. It becomes less to become resistance of.

Thus, the wearer 31 can easily breathe even when the mask is worn. When the outside air is sucked in through the nose or mouth, the respective cuts 13 are almost closed (see FIG. 4B), and the outside air passes through the mask body 1 and is sucked into the nose or mouth.
That is, when breathing in, outside air is sucked from the mouth and nose after dust, pollen, bacteria, and the like are almost filtered by the mask body 1.
At that time, since the main body base fabric 7 is a non-woven fabric, there is no unraveling of fibers from the cut 13, and when the outside air is sucked in from the mouth or nose, the cut 13 does not open due to close contact with the face, and the dust from the cut 13. No pollen, bacteria, etc. are inhaled and the function of the mask is not impaired.

In the present invention, since a part of the exhaled breath is discharged through each notch 13, the breath is quickly discharged out of the mask.
Therefore, the moisture contained in the exhaled breath is reduced from being accumulated in the mask, and discomfort to the wearer 31 is reduced.
In addition, inconvenience that the breath blows out from the edge of the mask body 1 and fogs the glasses is avoided by the amount that a part of the exhaled breath is discharged through each notch 13.
In addition, since it is only necessary to form the notch 13 in the mask main body 1, it is not necessary to attach a member such as a valve, and the configuration of the mask can be simplified correspondingly, and the cost increase can be suppressed.
And since the main body base fabric 7 is not a soft, flexible and unstable knitted fabric or woven fabric, but a regular non-woven fabric like paper, it is easy to cut and sew. A mask can be obtained more efficiently than a product.

  In the present invention, since the cutting edge 10 of the main body base cloth 7 cut along the center line XX that bisects the main body base cloth 7 to the left and right forms a curved curve shape that protrudes to the outside of the main body base cloth 7, When the left cheek edge 3 and the right cheek edge 5 are spread and attached, the central portion of the cutting edge 10 is raised outward and does not touch the nose or mouth strongly. The warm air stays between the nose and mouth, and the cold is not directly sucked in, and the nose and mouth are touched strongly and no discomfort is caused.

  According to the present invention, since the cut 13 is made in the nose pad 19 between the left cheek edge 3 and the right cheek edge 5, the breath exhaled from the mouth and nose efficiently hits the slit 13 and more quickly out of the mask. Can be discharged.

  According to the present invention, since the notch 13 that allows easy breathing into the lower portion 15 of the central portion 12 where the mouth hits is made, the possibility that dust, pollen, bacteria, and the like are directly sucked from the nose together with the outside air is further reduced.

When the notch 13 is curved, both ends of the notch 13 swell in a tongue-like shape. When exhaling, the notch 13 projects outward and the notch 13 opens, and when inhaling, hits the mouth and inward. The notch 13 is closed without protruding.
For this reason, it is easy to exhale, and it becomes difficult for dust, pollen, bacteria, etc. to be inhaled.
And when inhaling in that way, even if the notch 13 is closed, the main body base fabric 7 is made of a breathable nonwoven fabric, so that it does not feel breathless.

In the mask of the present invention, the main body base fabric 7 has a laminated structure in which a plurality of nonwoven fabrics are overlapped, and the cuts 13 are provided in each nonwoven fabric. It is possible to obtain masks with various specifications according to the purpose of use, such as for pollen countermeasures, by varying the elongation and the like.
When wearing, a positional deviation occurs between the cuts 13 and 13 between the overlapping nonwoven fabrics, and outside air enters the nose by bypassing the positions of the cuts 13 and 13 where the positions are shifted. Since dust, pollen, bacteria, etc. are trapped in the notches 13, 13, 13,..., The dust, pollen, bacteria, etc. are difficult to enter the nose.

  When the plurality of cuts 13 are intermittently arranged in the direction in which the left cheek edge 3 and the right cheek edge 5 face each other, the cuts 13 can be made fine (short), and dust and pollen from the cut 13 And the entry of bacteria and the like can be reduced, and the main body base fabric 7 is also stable in strength.

In the mask of the present invention, the arrangement width W _u on the nose pad edge 2 side of the notch 13 is narrower than the arrangement width W _d on the chin pad edge 6 side, so that the breath exhaled from the mouth can be easily discharged to the outside.

  In the present invention, the ear hooks 9 and 9 are made of non-woven fabric together with the main body base fabric 7, and the weight of the non-woven fabric of the ear hooks 9 and 9 is made lighter than the non-woven fabric weight of the main body base cloth 7. The elongation at break of the nonwoven fabric is also increased at the break of the nonwoven fabric of the main fabric 7, and the elongation stress at the elongation of 5% of the nonwoven 9/9 is 5% of the nonwoven fabric of the main fabric 7. Since the non-woven fabric of the ear hooks 9 and 9 is made easier to stretch than the non-woven fabric of the main body base fabric 7, the main base fabric 7 does not lose its shape when worn, and the ear hooks 9 and 9 are not stretched. It is possible to obtain a mask that is easy to wear without stretching the ears to an appropriate level.

  In the present invention, the non-woven fabric of the ear hooks 9 and 9 and the non-woven fabric of the main body base fabric 7 are high melting point polymers having a melting point higher than that of the sheath component polymer, and the sheath component is a heat-fusible low melting point polymer. Because the core-sheath composite synthetic fiber is used and the fibers constituting the non-woven fabric of the ear hooks 9 and 9 and the non-woven fabric of the main body base fabric 7 are joined by the heat-fusible sheath component, the shape is not deformed. A durable mask is obtained.

  In this invention, since the nonwoven fabric which comprises the main body base fabric 7 contains an ultrafine fiber, even if it is fine things, such as a virus, it can capture reliably.

Example 1 FIGS. 1 to 3 show Example 1 of a mask according to the present invention. As shown in FIGS. 1 and 2, the mask body 1 includes an upper nose pad edge 2 in contact with the nose of the face of the wearer 31 and the periphery of the nose, a left cheek pad edge 3 in contact with the cheek, and a right cheek pad. It has a body base cloth 7 whose upper and lower left and right edges are bordered by an edge 5 and a lower jaw contact edge 6 in contact with the chin, and a wearer is attached to the left and right cheek contact edges 3 and 5 of the main body base cloth 7. A pair of left and right ear hooks 9 and 9 are provided to be hooked on 31 ears. The mask is used for collecting dust and pollen, collecting bacteria and viruses, and preventing saliva and the like coming from coughing and sneezing.

  The mask body 1 is formed by cutting a nonwoven fabric made of thermoplastic synthetic resin fibers, and is along a center line (XX) that bisects the body base fabric 7 on the left cheek edge side and the right cheek edge side. As shown in FIG. 2, the cut edge 10 cut in this way draws a curve protruding outward from the front side of the main body base fabric 7 (left side in FIG. 2). The nonwoven fabric has a predetermined air permeability.

  That is, the mask body 1 is formed by stacking two non-woven fabrics constituting a left half part and a right half part that are symmetric, and is cut by the cutting edge 10 to thermally weld the left half part and the right half part together. The cutting edge 10 is formed so as to protrude forward and outward from the top to the bottom. Thereby, it is shaped into a three-dimensional shape that curves forward at the left and right center of the front surface of the mask body 1 in a state of being worn on the face of the wearer 31. The cutting edge 10 of the mask main body 1 may be formed by using a fusing seal technique for cutting simultaneously with sealing.

Nonwoven fabrics include polypropylene fiber, polyethylene fiber, polyurethane fiber (spandex), polyethylene terephthalate fiber, polytrimethylene terephthalate fiber, polyamide fiber (nylon), acrylic fiber, cellulose fiber (rayon, cotton, ramie, kenaf, pulp, etc.), etc. Are selectively mixed according to the purpose of use of the mask, etc. Among them, preferred fibers are polyethylene terephthalate fiber and polytrimethylene terephthalate fiber, and it is particularly desirable to mix polytrimethylene terephthalate fiber excellent in stretchability with other fibers.
Further, the non-woven fabric has a core-sheath composite synthetic fiber, preferably a polyethylene terephthalate-based core-sheath composite, in which the core component is a high-melting polymer having a higher melting point than the polymer of the sheath component, and the sheath component is a heat-fusible low-melting polymer. It is desirable to use a synthetic fiber, more preferably, a polytrimethylene terephthalate-based core / sheath composite synthetic fiber containing polytrimethylene terephthalate as a sheath component.

  Each ear hook 9 may be integrally formed with the main body base cloth 7, but each ear hook 9 and the main body base cloth 7 are cut separately, for example, left and right cheek edges 3 of the main body base cloth 7. Each ear hook 9 may be joined to 5 by thermal welding or the like. The holes 11 for passing the ears in each ear hook 2 may be punched with a mold, or may be formed by making a cut and tearing at the cut.

  As shown in FIG. 1, the main body base cloth 7 is formed between the left cheek edge 3 and the right cheek edge 5 between the left and right cheek portions 16, 17 and the left and right central portions. It is divided into a nose pad portion 19, and a plurality of cuts 13 cut into line segments are made in the right and left nose pad portion 19. The notches 13 are arranged in a line on the left and right sides of the cutting edge 10 in a vertical direction. Each incision 13 extends in a straight line extending in the left-right direction where the left cheek edge 3 and the right cheek edge 5 face each other, and penetrates the main body base fabric 7 forward and backward as shown in FIG.

The length dimension Y (FIGS. 1 and 2) in the left-right direction of the left and right cheek support portions 16 and 17 is in the range of 43 to 47 mm (about 45 mm), respectively. The dimension Z (FIG. 1) is in the range of 43 to 47 mm (about 45 mm).
The length dimension S (FIG. 2) in the left-right direction of each cut 13 is preferably in the range of 5 to 25 mm, and more preferably in the range of 7 to 20 mm. The distance P (FIG. 2) between the upper and lower cuts 13 and 13 is preferably in the range of 3 to 12 mm, and more preferably in the range of 5 to 10 mm.

The dimension is set in such a manner that if the length dimension S in the left-right direction of the notch 13 becomes too long, the notch 13 may remain open regardless of breathing, and the length dimension S is short. This is because when the air is exhaled, the notch 13 is not sufficiently opened when breathing out, and there is a possibility that breathing may not be easy.
If the distance P between the upper and lower cuts 13 and 13 becomes too long, the number of cuts 13 that can be formed in the main body base fabric 7 must be reduced. If the distance P is too short, the mask body This is because the strength of 1 is lowered and it is difficult to maintain a three-dimensional shape.

The body base fabric 7 of the mask body 1 may be impregnated with a functional liquid agent having an antibacterial function, a refreshing feeling function, or the like. The sheath elongation may be changed.
The central portion 12 may include a portion facing the mouth, or may include a portion facing the chin or cheek.

The operation of the mask of Example 1 will be described. When breathing out from the nose or mouth while wearing the mask, the air pressure between the face and the mask increases due to the breath, as shown in FIG. Thus, each notch 13 opens widely, and a part of the breath passes through each notch 13 and is discharged out of the mask.
The remaining breath passes through the main body cloth 7 of the mask main body 1 and is discharged out of the mask. Thereby, while the saliva etc. accompanying coughing and sneezing are almost captured by the main body base cloth 7, the mask main body 1 exhales as much as a part of the breath is discharged out of the mask through each notch 13. It is reduced to become resistance at the time of.

When the outside air is inhaled by the nose or mouth, the air pressure between the face and the mask is lowered accordingly, and the edge of each incision 13 is inhaled to the inside of the mask, as shown in FIG. Each cut 13 is substantially closed.
The outside air passes through the main body cloth 7 of the mask main body 1 and is sucked into the mouth and nose after dust, pollen, bacteria, and the like are filtered.

Example 2 FIG. 5 shows Example 2 of the mask according to the invention.
In the second embodiment, the lower side toward the jaw contact edge 6 from the center portion 12 located in the middle of the nose contact edge 2 and the jaw contact edge 6 in the right and left center nose contact portion 19 of the body base cloth 7 of the mask body 1. A plurality of notches 13 are formed in the portion 15.
The cuts 13 are arranged in the vertical direction in a row on the left and right sides of the cutting edge 10 in the lower portion 15 of the main body base fabric 7.

Each notch 13 of the second embodiment also extends in a straight line extending in the left-right direction where the left cheek contact edge 3 and the right cheek contact edge 5 face each other, and penetrates the mask body 1.
The arrangement width W of the cut 13 gradually becomes wider (longer) from the arrangement width W _u on the nose pad edge 2 side of the cut 13 to the arrangement width W _d on the jaw pad edge 6 side.

  A length dimension H (FIG. 6) from the front end of the nose contact edge 2 to the upper end of the lower portion 15 is in a range of 85 to 95 mm (about 90 mm), and the upper end of the lower portion 15 to the jaw contact edge 6. The length dimension K (FIG. 6) to the front end is in the range of 55 to 65 mm (about 60 mm). In addition, the length dimension G from the front end of the nose contact edge 2 to the front end of the jaw contact edge 6 is in the range of 145 to 155 mm (about 150 mm), and from the front end of the nose contact edge 2 to the front end of the jaw contact edge 6. The maximum protruding dimension F (FIG. 6) of the front edge of the mask body 1 with respect to the straight line connecting the two is in the range of 20 to 24 mm (about 22 mm).

The arrangement width W _u on the nose pad edge 2 side of the cut 13 may be in the range of 5 to 12 mm, and preferably in the range of 7 to 10 mm.
The arrangement width W _d on the jaw abutment edge 6 side of the cut 13 is preferably in the range of 15 to 25 mm, and preferably in the range of 15 to 20 mm.
The ratio (W _u / W _d ) between the arrangement width W _u on the nose pad edge 2 side of the cut 13 and the arrangement width W _d on the chin pad edge 6 side is preferably within a range of 0.4 to 0.6, Preferably it is 0.5.

The length dimension S in the left-right direction of each notch 13 and the distance dimension P between the upper and lower notches 13 and 13 are preferably set within the same ranges as in the first embodiment.
Since the other points are the same as those of the first embodiment, description thereof is omitted.
The arrangement width W of the cut 13 may be set so that the arrangement width W _d on the jaw contact edge 6 side is wider than the arrangement width W _u on the nose contact edge 2 side of the cut 13.

As shown in FIG. 6, each cut 13 may be formed by cutting so as to include a seal portion at the cutting edge 10.
Also in this case, the arrangement width W of the cut 13 is set so that the arrangement width W _d on the chin abutment edge 6 side is wider than the arrangement width W _u on the nose pad edge 2 side of the cut 13. Also good.
The length dimension S in the left-right direction of each notch 13 and the distance dimension P between the upper and lower notches 13 and 13 are preferably set in the same manner as in the first embodiment.

  The shape of the notch 13 can be set to an arbitrary shape. For example, as shown in FIG. 7, a + character shape (FIG. 7A), a trident shape (FIG. 7B), a lateral orientation V-shape (FIG. 7C), horizontal U-shape (FIG. 7D), horizontal S-shape (FIG. 7E), W-shape (FIG. 7F) ) Or a lattice shape ((g) in FIG. 7) or the like may be arranged in the horizontal direction or the vertical direction.

As shown in FIG. 8 (a), the main body fabric 7 of the mask main body 1 may have a two-layer laminated structure in which two nonwoven fabrics 20 and 21 having air permeability are overlapped on the front and back. As shown to (a) of FIG. 9, the laminated structure which piled up the nonwoven fabric 22 * 23 * 24 of 3 sheets which has air permeability on the back and front may be sufficient.
In this case, each of the nonwoven fabrics 20 to 24 is provided with a plurality of cuts 13 as in the first and second embodiments.
According to this example, as shown in FIG. 8 (b) and FIG. 9 (b), misalignment occurs between the notch 13 and the notch 13 between the nonwoven fabrics that overlap each other when worn, and the outside air is displaced. A detour between the cuts 13 and 13 enters the nose, and dust, pollen, bacteria, and the like are captured at several cuts 13, 13, 13... In the detour path. Accordingly, it is difficult for dust, pollen, bacteria, etc. to enter the nose.

Further, as shown in FIG. 10, the main body base fabric 7 of the mask main body 1 has four layers of nonwoven fabrics 26, 27, 28, and 29 made of nonwoven fabric having air permeability in the front-rear direction (vertical direction in FIG. 10). It may be a laminated structure superposed on each other, or may be a laminated structure obtained by superposing five or more nonwoven fabrics on the front and back.
Also in this case, similarly to Example 1 and Example 2, each nonwoven fabric is provided with a plurality of cuts 13, and misalignment occurs between the cuts 13 and the cuts 13 between the overlapping nonwoven fabrics when worn. .

When the main body fabric 7 of the mask main body 1 is formed into a laminated structure with a plurality of nonwoven fabrics, the material, thickness, fiber density, fiber elongation, etc. of the nonwoven fabric of each layer can be changed.
That is, it is possible to change the expansion / contraction rate, the water absorption rate, the water absorption expansion rate, or the humidification performance in each layer to form a mask that exactly matches the purpose of use.

In the main body cloth 7 having a laminated structure, the main body cloth 7 is curved when the mask is attached to the face of the wearer 31, and the bending of the main body cloth 7 causes the bending of the main body cloth 7 of FIG. ), The cuts 13 and 13 of each nonwoven fabric are easily misaligned, so that when the outside air is inhaled by the nose or mouth, the cuts 13 of each nonwoven fabric are blocked by the adjacent nonwoven fabric and the outside air is cut 13. It is prevented from being sucked into the nose and mouth only through.
That is, the outside air is surely permeated through the main body base fabric 7 of the mask main body 1 and filtered.

(Example 3) FIG. 11 shows Example 3 of the mask according to the invention. In Example 3, each notch 13 is in a direction in which the left cheek edge 3 and the right cheek edge 5 face each other. The following curve is drawn, and the length dimension M of each cut 13 is set to be longer than the distance L between both ends of the cut 13.
In the third embodiment, the plurality of notches 13 are intermittently arranged in a direction in which the left cheek edge 3 and the right cheek edge 5 face each other.

In addition, an auxiliary filter 30 is disposed inside the main body base fabric 7 of the mask main body 1.
Auxiliary filter 30 has heat retention and negative ion generation function by adhesion of powder having far infrared radiation action, antibacterial function by adhesion of silver ion, deodorization function by adhesion of activated carbon and deodorant, plant extract and various kinds Functionality such as a medicinal effect function by blending or adhering a drug having efficacy, a refreshing feeling function by blending with a refreshing agent, a function of improving filtration by mineral water, reducing potential water, electronic magnetic field water, or the like can be imparted.
Since the other points are the same as those of the first embodiment, description thereof is omitted.

In Example 3, the length dimension M of the curve of each incision 13 is set within a range of 10 to 15 mm, and the linear distance L is set within a range of 5 to 10 mm.
If the length dimension M and the linear distance L are too long, the cut 13 may remain open regardless of breathing.
On the contrary, if the length dimension M and the linear distance L are too short, the notch 13 does not open sufficiently when exhaling, and there is a possibility that the patient may become stuffy.

The cuts 13 of the third embodiment are arranged vertically and horizontally on the front surface of the mask body 1 so that about 1 to 5 are included in a unit area of 3.14 cm ² indicated by a circle having a diameter of 1 cm.
Also in the third embodiment, the arrangement width W of the cut 13 following the facing direction of the left cheek edge 3 and the right cheek edge 5 is determined from the arrangement width W _u of the cut 13 on the nose pad edge 2 side. it may be set to become gradually wider toward 6 side of the arrangement width W _d.

The body base fabric 7 of the mask body 1 may be impregnated with a functional liquid agent having an antibacterial function, a refreshing feeling function, or the like. The sheath elongation may be changed.
The central portion 12 may include a portion facing the mouth, or may include a portion facing the chin or cheek.

  When the body base fabric 7 of the mask body 1 is worn on the face of the wearer 31, it is shown in FIGS. 12 (a) to 12 (b), 12 (c) and 12 (d) according to the unevenness of the face. Since each notch 13 is easily opened in accordance with the curve, the feeling of resistance received when exhaling is surely reduced.

In addition, in each notch 13 of Example 1, when the mask main body 1 curves in the left-right direction as shown in FIG. 12C, each notch 13 is difficult to open, and FIG. 12B and FIG. As shown in FIG. 5, when the curve is made in the vertical direction, each notch 13 is easily opened.
The direction and shape of each cut 13 are set in consideration of these points.

When the main body base fabric 7 of the mask main body 1 has a laminated structure of the nonwoven fabric, the nonwoven fabric of each layer may be welded partially or entirely with each other using an embossing roller or the like.
The cut 13 may be formed by a process using a round cutter (rotary roll cutter).

  When the auxiliary filter 30 is mounted on the face of the wearer 31 together with the mask body 1, the auxiliary filter 30 may be formed into a three-dimensional shape that curves forward in an arc shape at the left and right center of the front surface.

The body base cloth 7, basis weight 30 to 150 g / cm ² of nonwoven, preferably in an basis weight 50 to 120 / cm ² nonwoven fabric.
The ear hook 9, basis weight 20 to 50 g / cm ² of nonwoven, preferably non-woven fabric of 40 g / cm ² before and after ^{(40 ± 5g / cm 2)} , in particular, it is preferable to use a nonwoven fabric made in the long fiber.
The nonwoven fabric used for the main body base fabric 7 may be a short fiber.

For example, as shown in FIG. 13, the notch 13 may be provided in the main body base fabric 7 of the planar mask main body 1.
In the case of the planar mask main body 1, each cut 13 is provided in the central portion 12 in the left-right direction of the main body base fabric 7 facing the nostril.
An elastic cord can also be used for the ear hook 9.
Various types of nonwoven fabrics including paper can be used for the auxiliary filter 30.

  The nonwoven fabric constituting the main body base fabric 7 may contain, for example, ultrafine fibers of 1 dtex or less. That is, you may form the whole main body base fabric 7 with the nonwoven fabric which mixed the nonwoven fabric of an ultrafine fiber, or an ultrafine fiber. When the main body base fabric 7 has a laminated structure, only one of the layers may be made of a non-woven fabric of ultrafine fibers or a non-woven fabric mixed with ultrafine fibers. In this case, it is preferable that the intermediate layer is composed of a non-woven fabric of ultrafine fibers or a non-woven fabric mixed with ultrafine fibers.

It is a front view which shows the state which mounted | wore with the mask which concerns on Example 1 of this invention. 3 is a side view of the mask of Example 1. FIG. FIG. 3 is a longitudinal sectional view showing a main part of the mask of Example 1. It is a longitudinal cross-sectional view for demonstrating the effect | action of the mask of Example 1. FIG. It is a front view which shows the state which mounted | wore with the mask of Example 2. FIG. It is a side view which shows the other Example of a mask. It is a figure which shows the example of the shape of the notch of the mask which concerns on this invention. It is a longitudinal cross-sectional view which shows another Example of the mask of this invention. It is a longitudinal cross-sectional view which shows another Example of the mask of this invention. It is a perspective view which shows the other Example of the main body base fabric of the mask main body of this invention. It is a perspective view of the mask of Example 3. It is a perspective view for demonstrating the effect | action of the mask of this invention. It is a front view which shows the other Example of the mask which can apply this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mask main body 2 Nose contact edge 3/5 Cheek contact edge 6 Chin contact edge 7 Main body base fabric 9 Ear hook 10 Cutting edge 12 Center part 13 of main body base cloth Incision 15 Lower part 31 Wearer

Claims (11)

Upper nose contact edge (2) in contact with the nose of the face of the wearer (31), left and right cheek contact edges (3), (5) in contact with the cheek, and lower jaw contact edge (6) in contact with the chin In the mask body (1), which is provided with ear hooks (9, 9) to be hooked on the ears on the left and right cheek edges (3, 5) of the body base fabric (7) whose upper, lower, left and right edges are
The main body base fabric (7) is composed of a nonwoven fabric,
A mask characterized in that a plurality of cuts (13) cut into line segments are put in a main body base fabric (7).   The shape of the cut edge (10) of the main body base fabric (7) cut along the center line (XX) that bisects the main body base cloth (7) on the left cheek edge side and the right cheek edge side, The mask according to claim 1, which has a curved shape protruding outward from the main body base fabric (7). Between the left cheek edge (3) and the right cheek edge (5) of the body base fabric (7), the left and right cheek pads (16, 17) and the left and right cheek pads (19) It is divided,
The mask according to any one of claims 1 and 2, wherein a cut (13) is made in the nose pad portion (19) in the center.   In the lower part (15) toward the jaw contact edge (6) from the center part (12) located between the nose contact edge (2) and the jaw contact edge (6) in the central nose contact part (19) The mask according to claim 3, wherein a notch is formed. The notch (13) in the main body base fabric (7) has a curved shape that continues in the direction in which the left cheek edge (3) and the right cheek edge (5) face each other,
The length dimension (M) of the curved shape of each notch (13) is set to be longer than the distance (L) between both ends of the notch (13). The mask described. The body base fabric (7) has a laminated structure in which a plurality of non-woven fabrics are overlapped,
The mask according to any one of claims 1, 2, 3, 4, and 5, wherein a cut (13) is made in each non-woven fabric.   A plurality of cuts (13) are intermittently arranged in a direction in which the left cheek edge (3) and the right cheek edge (5) face each other, according to claims 1, 2, 3, 4, 5 and 6. A mask according to any one of the above. The arrangement width (W _u ) on the nose contact edge (2) side of the notch (13) continuing in the direction in which the left cheek contact edge (3) and the right cheek contact edge (5) face each other is arranged on the chin contact edge (6) side. The mask according to any one of claims 1, 2, 3, 4, 5, 6, and 7, which is smaller than a width (W _d ). The ear hook (9, 9) is made of non-woven fabric,
Ear hooks (9, 9) are joined to the left and right cheek edges (3), (5)
The basis weight of the nonwoven fabric of the ear hook (9, 9) is less than the basis weight of the nonwoven fabric of the main body base fabric (7),
The elongation at break of the nonwoven fabric of the ear hook (9, 9) is large, and the elongation at break of the nonwoven fabric of the main body base fabric (7) is also large.
The non-woven fabric of the ear hook (9, 9) has a lower elongation stress at 5% of the non-woven fabric of the ear hook (9, 9) than the non-woven fabric of the main fabric (7). The mask according to any one of claims 1, 2, 3, 4, 5, 6, 7, and 8, which is easier to stretch than the nonwoven fabric of the main body base fabric (7).   The non-woven fabric of the ear hook (9, 9) and the non-woven fabric of the main body base fabric (7) become a high melting point polymer whose melting point is higher than that of the sheath component polymer, and the sheath component becomes a heat-fusible low melting point polymer. The core-sheath composite synthetic fiber is used, and the fibers constituting the nonwoven fabric of the ear hook (9, 9) and the nonwoven fabric of the main body base fabric (7) are joined by the heat-fusible sheath component. 10. A mask according to any one of claims 1, 2, 3, 4, 5, 6, 7, 8, and 9.   The mask according to any one of claims 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10, wherein the nonwoven fabric constituting the main base fabric (7) contains ultrafine fibers.

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