JP2015100570A - Laterally-pleated type sanitary mask - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a laterally-pleated type sanitary mask that is superior in practicality.SOLUTION: A car pleat 26 comprising four lateral pleats 28 is formed in a pleat forming part 24 of a cover part 10. Both side ends are bonded by welding in a bonding line 60, respectively, and the stretching of the lateral pleats 28 is prevented. The bonding line 60 is divided into an upper bonding line part 62, an intermediate bonding line part 64 and a lower bonding line part 66. Also, the upper and lower ends of the intermediate bonding line part 64 are shifted to the center side in a right-left direction of the cover part 10 with respect to the lower end of the upper bonding line part 62 and the upper end of the lower bonding line part 66 (may be shifted in the vertical direction), and cut lines 80, 82 are provided. Accordingly, when wearing the mask, two places corresponding to the cut lines 80, 82 of the side edge of the cover part 10 are easily bent in comparison with a portion except them, and the side edges of the cover part 10 are bent in a convex to the center side in the right-left direction at the two places, and thereby the gap between the skin and itself is reduced. The intermediate bonding part may be shifted to the outside of the cover part with respect to the upper bonding line part and the lower bonding line part.

Description

  The present invention relates to a horizontal fold-type sanitary mask used for the purpose of preventing pollen, dust and the like from being sucked, and preventing cold infection.

  The sanitary mask includes, for example, a cover portion that covers the mouth and the nose and two ear hook portions that are hung on both ears, as described in Patent Document 1 below, and the cover portion is in the lateral direction. Some include a crease forming portion in which three or more lateral folds are formed. In the sanitary mask described in Patent Document 1, the side walls of the lateral folds are joined and prevented from extending by joining lines formed one by one on both side ends of the covering part. The joint line has a bent portion that extends in the vertical direction and is bent toward the center in the left-right direction at an intermediate portion in the vertical direction of the cover portion. Therefore, in the wearing state of the mask, it is well prevented that the side end portion of the cover portion is bent at the bent portion and is lifted from the skin of the face.

JP 2012-105882 A

  The present invention has been made against the background of the above circumstances, and an object thereof is to provide a horizontal fold-type sanitary mask that is more practical.

  In order to solve the above-mentioned problem, a horizontal fold-type sanitary mask according to the present invention includes a cover that covers the mouth and the nose and two ear hooks that are hung on both ears, and the cover is in the lateral direction. A horizontal fold-type sanitary mask having a fold forming portion formed with three or more horizontal folds extending in the vertical direction at each of both end portions of the covering portion. By providing cuts at two locations corresponding to the boundary between the upper part, the middle part and the lower part of the covering part of the joining line which joins the side walls to each other and prevents each lateral fold from extending, In the state of wearing the sanitary mask, two portions corresponding to the two cuts on each side edge of the covering portion are bent convexly toward the center in the left-right direction as compared to the other portions. It has been made easier.

  The portions corresponding to the cuts between the joining lines at both end portions of the cover portion have a high degree of freedom and are easily bent. For this reason, in the mask mounting state, both end portions of the cover portion bend at a portion corresponding to the cut, and portions corresponding to the two cuts at both end edges of the cover portion are bent convexly toward the center in the left-right direction. In a conventional horizontal fold-type sanitary mask in which one continuous bonding line is formed on each side edge of the cover, the side edge of the cover tends to be intensively bent at one place during mounting. Yes, the part near the one part of the cover part was lifted from the skin, and the adhesiveness tended to deteriorate, whereas the side edge was bent at two places, so that both side edges of the cover part were face It is easy to adhere to the skin, and accordingly, a gap between the covering portion and the skin of the face is favorably avoided, and the effect of wearing the horizontal fold type mask is enhanced.

It is a front view which shows the sanitary mask which is one Embodiment of this invention. It is side surface sectional drawing of the cover part of the said sanitary mask. It is a side view which shows the mounting state of the said sanitary mask. It is a figure explaining the bending of the side edge of the cover part in the mounting state of the said sanitary mask. It is a front view which shows roughly the sanitary mask which is another embodiment of this invention. It is a front view which shows schematically the sanitary mask of another embodiment of this invention. It is a front view which shows schematically the sanitary mask of another embodiment of this invention. It is a front view which shows schematically the sanitary mask of another embodiment of this invention. It is a front view which shows schematically the sanitary mask of another embodiment of this invention. It is a front view which shows schematically the sanitary mask of another embodiment of this invention. It is a front view which shows schematically the sanitary mask of another embodiment of this invention. It is a front view which shows schematically the sanitary mask of another embodiment of this invention. FIG. 13 is a side view schematically showing the sanitary mask shown in FIG. 12. It is a front view which shows schematically the sanitary mask of another embodiment of this invention. FIG. 15 is a side view schematically showing the sanitary mask shown in FIG. 14. It is a front view which shows schematically the sanitary mask of another embodiment of this invention. FIG. 17 is a side view schematically showing the sanitary mask shown in FIG. 16. It is a perspective view which shows the state which cut | disconnected the sanitary mask of another embodiment of this invention in the center. It is a figure which shows the state by which the sanitary mask of another embodiment of this invention was folded in half. It is a front view which shows the state which the sanitary mask shown in FIG. 19 was expanded right and left, without expanding a cover part.

  Hereinafter, some embodiments of the present invention will be described in detail with reference to the drawings. In addition, the present invention can be implemented in a mode in which various modifications are made based on the knowledge of those skilled in the art, in addition to the following embodiments.

  FIG. 1 shows a horizontal fold type sanitary mask (hereinafter abbreviated as a mask) as one embodiment of the present invention. The mask includes a cover 10 that covers the wearer's mouth, nose, and the periphery thereof, and two ear hooks 12 that extend from both side ends of the cover 10 and are hung on both ears. The cover portion 10 is made of a plurality of air permeable sheets, and in the mask of this embodiment, as shown in FIG. 2, the cover portion 10 is made of an air permeable material 20 in which three sheets 14, 16, and 18 are overlapped. In the mask of this embodiment, the sheets 14, 16, and 18 are nonwoven fabrics made of thermoplastic synthetic fibers. Out of these sheets 14, 16, 18, the outer and inner sheets 14, 18 have a smoother and thinner surface than the middle sheet 16.

  As shown in FIG. 1, the cover part 10 includes a crease forming part 24. The fold forming portion 24 of the present embodiment includes a vehicle fold 26. The vehicle fold 26 includes three or more lateral folds extending in the lateral direction, and four lateral folds 28 in the illustrated sanitary mask. As shown in FIG. 2, each of the four lateral folds 28 includes three side walls 30, and the front side wall 30 and the middle side wall 30 of the cover portion 10 form a mountain fold 32, and the middle side wall 30. And the rear side wall 30 form a valley fold 34. The mountain fold portion 32 has a top portion located below the bottom portion of the valley fold portion 34 and is facing downward, and the four lateral folds 28 are in a state of projecting downward as viewed from the front side of the cover portion 10, that is, each lateral fold. 28, the downward mountain folds 32 are visible and the valley folds 34 are not visible, and are adjacent to each other.

  The four horizontal folds 28 have the same vertical dimension in the flat plate state before the cover 10 is mounted, the mountain folds 32 are formed at equal intervals, and the valley folds 34 are also mountain folds. It is formed at equal intervals at the same interval as the formation interval of 32. Further, in the illustrated example, in the flat state of the cover portion 10, the four horizontal folds 28 are adjacent to each other so as not to overlap each other and have no gap therebetween. However, a part of the adjacent horizontal folds 28 may be slightly overlapped or a gap may be generated.

  The cover 10 is composed of the three sheets 14, 16, 18 as described above, but the innermost side, that is, the vertical dimension of the sheet 14 in contact with the skin of the face is made larger than the other sheets 16, 18. The upper end portion and the lower end portion that protrude upward and downward from the sheets 16 and 18 are folded back outward to form folded portions 40 and 42 that cover the upper end portion and the lower end portion of the sheets 16 and 18, respectively. As shown in FIG. 1, the lower folded portion 42 is welded by being pressurized and heated to the main body portion (the portion that is not folded outward) and the sheets 16 and 18 by a joining line 44 extending in the left-right direction. And are joined. The joining line 44 is composed of a dotted line in which a plurality of welding points, which are dotted welding portions, are arranged at regular intervals and in a straight line.

  The upper folded portion 40 is welded by two joining lines 50 that are parallel to each other. Similar to the joint line 44, these joint lines 50 are formed by arranging a plurality of welding points at equal intervals and in a straight line, and between the folded part 40 and the sheet 18, a cylindrical part 51 extending in the left-right direction of the cover part 10. (See FIG. 2) is formed, and a bar 52 is disposed therein. The bar 52 has a narrow and thin plate shape with a long longitudinal shape. In the mask of this embodiment, the bar 52 is a plastic deformable member made of polyethylene to which an additive is added and made of a known plastically deformable material. The cylindrical portion 51 is inserted and extends in the lateral direction of the cover portion 10.

  As shown in FIG. 1, both end portions of the ear hook portion 12 are joined to the upper corner portion and the lower corner portion of both end portions of the cover portion 10. Each ear hook 12 is formed of a thermoplastic synthetic resin material in the form of a stretchable string, and is joined to the cover 10 by welding.

  The four lateral folds 28 of the vehicle fold 26 are welded to each other at the end portions on both sides of the cover portion 10 by pressing and heating. As a result, a joining line 60 extending in the vertical direction is formed at each of both end portions of the cover part 10, and the four lateral folds 28 are prevented from extending by the joining line 60. The joint line 60 is divided into three parts, an upper joint line part 62, an intermediate joint line part 64, and a lower joint line part 66, which respectively correspond to the upper part, middle part, and lower part of the cover part 10.

  The upper joint line portion 62 extends over the upper folded portion 40 and the uppermost horizontal fold 28, and joins the folded portion 40 to the main body portion of the sheet 14 and the sheets 16, 18, and the side wall 30 of the uppermost horizontal fold 28. Join each other. The upper joint line portion 62 includes an inclined portion 70 and a non-inclined portion 72. The inclined portion 70 is provided to be inclined linearly in a direction toward the side end portion of the cover portion 10 as it goes downward from the upper end of the upper joint line portion 62. The non-inclined portion 72 extends downward from the lower end of the inclined portion 70 to the vicinity of the lower end of the uppermost horizontal fold 28, and is formed in a state in which the lower end of the uppermost horizontal fold 28 is left without being joined.

  The lower joining line portion 66 extends over the lower folded portion 42 and the lowermost horizontal fold 28, and joins the folded portion 42 to the main body portion of the sheet 14 and the sheets 16, 18, and lowermost horizontal fold 28. The side walls 30 are joined together. The lower joint line portion 66 includes an inclined portion 74 and a non-inclined portion 76. The inclined portion 74 is provided to be inclined linearly in a direction toward the side end portion of the cover portion 10 as it goes upward from the lower end of the lower joint line portion 66. The non-inclined portion 76 extends upward from the upper end of the inclined portion 74 to the vicinity of the upper end of the lowermost horizontal fold 28, and is formed in a state in which the upper end of the lowermost horizontal fold 28 is left without being joined. Yes.

  The intermediate joint line portion 64 forms a straight line extending in parallel to the vertical direction of the cover portion 10. The intermediate joint line portion 64 is a lower end portion of the uppermost horizontal fold 28, and is an upper end portion of the lowermost horizontal fold 28 from the lower end of the inclined portion 72 of the upper joint line portion 62, and is a lower joint line portion. 66, which has a length reaching the upper end of the non-inclined portion 76, and joins the side walls 30 of the two horizontal folds 28 located in the middle of the four horizontal folds 28, and the side wall 30 of the uppermost horizontal fold 28. Are joined together and the upper ends of the side walls 30 of the lowermost horizontal folds 28. The intermediate joint line portion 64 is shifted to the center side in the left-right direction of the cover portion 10 with respect to the non-inclined portions 72 and 76 of the upper joint line portion 62 and the lower joint line portion 66, and the upper end of the intermediate joint line portion 64. And the lower end is shifted to the center side of the cover part 10 with respect to the lower end of the upper joint line part 62 and the upper end of the lower joint line part 66. Thereby, the cut | interruptions 80 and 82 are each provided in two places corresponding to the boundary of three parts, the upper part of the cover part 10 of the joining line 60, an intermediate part, and a lower part. The intermediate joint line portion 64, the upper joint line portion 62, and the lower joint line portion 66 have different positions in the vertical direction of the cover portion 10, there are no overlapping portions in the vertical direction, and the cuts 80 and 82 are on the left and right sides of the cover portion 10. Open to both sides.

  As shown in FIG. 3, when a person wears the mask of this embodiment, the ear hooking portion 12 is hung on the ear, and the central portion in the left-right direction of the covering portion 10 is extended vertically to cover the nose and mouth. To be done. If the bar 52 is bent along the surface of the nose, the upper end portion of the cover portion 10 is prevented from shifting downward. Both end portions of the cover portion 10 are pulled by the ear hook portion 12 to cover the cheek of the wearer. Two portions respectively corresponding to the cuts 80 and 82 at both end portions of the cover portion 10 are not joined, and the degree of freedom is high compared to other portions, and it is easy to bend. Therefore, as shown by an arrow in FIG. 4, the portion outside the intermediate joint line portion 64 of the uppermost horizontal fold 28 (the side opposite to the center side in the left-right direction of the cover portion 10) is the upper end of the intermediate joint line portion 64. It rotates about the center and rides on a portion outside the intermediate joint line portion 66 of the upper horizontal fold 28 (hereinafter, referred to as intermediate upper horizontal fold 28 in some cases) of the two intermediate horizontal folds 28. In addition, a portion outside the intermediate joint line portion 66 of the lowermost horizontal fold 28 rotates around the lower end of the intermediate joint line portion 64, and the lower horizontal fold 28 ( Thereafter, it is submerged under a portion outside the intermediate joint line portion 64 of the intermediate lower horizontal fold 28). Eventually, both side edges of the cover portion 10 are bent convexly toward the center in the left-right direction at two locations corresponding to the two cuts 80 and 82, and bent into three portions. As a result, both end portions of the cover portion 10 are easily along the skin of the face, and adhesion to the skin is improved.

  As in the mask schematically shown in FIG. 5, the intermediate joint line portion 102 of the joint line 100 is provided so as to join only the side walls 30 of the middle two lateral folds 28 of the four lateral folds 28. May be. In addition, about the component which performs the same effect | action as the mask of embodiment shown in FIGS. 1-4, the same code | symbol is attached | subjected, a corresponding relationship is shown, and description is abbreviate | omitted. The same applies to the embodiments shown in FIG.

  In the mask shown in FIG. 5, the upper joint line portion 104 is provided so as to also join the upper end portion of the side wall 30 of the intermediate upper horizontal fold 28, and the lower joint line portion 106 is the lower end portion of the side wall 30 of the intermediate lower horizontal fold 28. Are also provided to be joined. In the state of wearing the mask, the side edge of the cover portion 10 is bent into three portions at portions corresponding to the two cuts 108 and 110 of the joining line 100, and as shown by arrows in FIG. A portion closer to the center than the upper joint line portion 104 of the fold 28 rotates around the lower end of the upper joint line portion 104 and is separated from the uppermost horizontal fold 28. Further, a portion on the center side of the lower joint line 106 of the lowermost horizontal fold 28 rotates about the upper end of the lower joint line 106 and moves away from the intermediate lower fold 28.

  As in the mask schematically shown in FIG. 6, the middle joint line portion 122 of the joint line 120 joins only the side walls 30 of the middle two lateral folds 28 of the four lateral folds 28, and the upper joint line. Each of the portion 124 and the lower joint line portion 126 may not be joined to the side walls 30 of the intermediate lateral fold 28. In this case, the cut 128 is provided over the uppermost horizontal fold 28 and the intermediate upper horizontal fold 28, and the cut 130 is provided over the lowermost horizontal fold 28 and the intermediate lower horizontal fold 28. Thereby, the lower end of the upper joint line portion 124, the upper end of the intermediate joint line portion 122, the upper end of the lower joint line portion 126, and the lower end of the intermediate joint line portion 122 are shifted in both the vertical direction and the horizontal direction, respectively. . Therefore, at the time of mounting, the side end portion of the uppermost horizontal fold 28 rotates around any portion between the lower end of the upper joint line portion 124 and the upper end of the intermediate joint line portion 122, and the intermediate upper horizontal fold 28 It overlaps on the side end of 28. Further, the portion of the intermediate lower horizontal fold 28 outside the intermediate joint line portion 122 rotates around any portion between the upper end of the lower joint line portion 126 and the lower end of the intermediate joint line portion 122, It overlaps with the side end of the lower horizontal fold 28.

The upper end and the lower end of the intermediate joint line part may be shifted to the opposite side (outside or side edge side) of the cover part in the lateral direction with respect to the lower end of the upper joint line part and the upper end of the lower joint line part. Good. An example mask is schematically shown in FIG.
In the mask of this embodiment, the bonding line 140 is divided into an upper bonding line part 142, an intermediate bonding line part 144, and a lower bonding line part 146. The upper joint line 142 joins the side walls 30 of the uppermost horizontal folds 28, leaving the lower end thereof, and the lower joint line part 146 leaves the side walls 30 of the lowermost horizontal folds 28, leaving the upper end thereof. Join. The intermediate joint line portion 144 joins the side walls 30 of the middle two horizontal folds 28, the lower ends of the side walls 30 of the uppermost horizontal fold 28, and the upper ends of the side walls 30 of the lowermost horizontal fold 28. To do. The upper end and the lower end of the intermediate joint line portion 144 are shifted from the lower end of the upper joint line portion 142 and the upper end of the lower joint line portion 146 to the opposite side to the central side in the left-right direction of the cover portion 10, 150 is provided.

  In this state of wearing the mask, the portion on the center side of the cover portion 10 from the intermediate joint line portion 144 of the uppermost horizontal fold 28 rotates about the upper end of the intermediate joint line portion 144, Tend to leave. In addition, a portion of the lowermost horizontal fold 28 that is closer to the center than the intermediate joint line 144 rotates around the lower end of the intermediate joint line 144 and tends to separate from the intermediate lower horizontal fold 28. As a result, both side edges of the cover portion 10 are bent in a convex manner toward the center in the left-right direction at two locations corresponding to the cut lines 148, 150.

  As shown in the mask joint line 160 shown in FIG. 8, the intermediate joint line portion 162 joins only the side walls 30 of the middle two horizontal folds 28, and the upper joint line portion 164 connects the side walls 30 of the uppermost side fold 28. And the upper end part of the side walls 30 of the intermediate upper horizontal fold 28 is joined, and the lower joint line part 166 joins the side walls 30 of the lowermost horizontal fold 28 and the lower ends of the side walls 30 of the middle lower horizontal fold 28. You may do it. In this case, the cuts 168, 170 are provided in the middle upper horizontal fold 28 and the middle lower horizontal fold 28, and the portion outside the upper joint line 164 of the uppermost horizontal fold 28 is centered on the lower end of the upper joint line 164. Rotates and overlaps the side end of the middle upper horizontal fold 28. Further, the side end portion of the intermediate lower horizontal fold 28 rotates around the upper end of the lower joint line portion 166 and overlaps the side end portion of the lowermost horizontal fold 28.

  Like the joint line 180 of the mask shown in FIG. 9, the lower end of the upper joint line portion 184 and the upper end of the lower joint line portion 186 and the upper and lower ends of the intermediate joint line portion 182 are shifted both in the up-down direction and the left-right direction. May be. In this state of wearing the mask, the side end of the cover 10 is between the lower end of the upper joint line 184 and the upper end of the intermediate joint line 182 and between the upper end of the lower joint line 186 and the intermediate joint line 182. Bend at any part between the lower end.

The upper joint line portion 202, the intermediate joint line portion 204, and the lower joint line portion 206 of the joint line 200 may include an inclined portion as illustrated in FIG. 10 and FIG.
When the upper joint line portion, the intermediate joint line portion, and the lower joint line portion are inclined in parallel to each other, the upper joint line portion may also join the upper end portions of the side walls of the middle upper horizontal folds. The portion may join at least one of a lower end portion between the sidewalls of the uppermost horizontal fold and an upper end portion of the sidewalls of the lowermost horizontal fold, and the lower joint line portion is a sidewall of the intermediate lower fold. You may make it also join the lower end part of each other.

By providing the cover portion with a creaseless portion, the joint line may be provided with two cuts. The mask which is the example is shown in FIG. 12 and FIG.
The mask covering portion 250 of the present embodiment includes three crease forming portions 252, 254, 256 and two crease-free portions 258, 260 formed between the crease forming portions 252, 254, 256, respectively. ing. One horizontal fold 262 is formed in each of the uppermost fold forming portion 252 and the lowest fold forming portion 256, and two horizontal folds 262 are formed in the intermediate fold forming portion 254.

  The joint lines 270 provided at both end portions of the cover part 250 are upper joint line parts 272, intermediate joint line parts 274 and lower joints formed corresponding to the three crease forming parts 252, 254, and 256, respectively. A line portion 276 is included. These joint line portions 272, 274, and 276 are located on a straight line extending in the vertical direction, and the upper joint line portion 272 is formed across all of the three side walls of the lateral fold 262 and the upper end portion of the upper fold-free portion 258. The intermediate joint line portion 274 is formed across all of the three side walls of the two horizontal folds 262, the lower end portion of the upper crease-free portion 258, and the upper end portion of the lower crease-free portion 260, and the lower joint line The portion 276 is formed across all three side walls of the horizontal fold 262 and the lower end of the lower fold-free portion 260. The lower end of the upper joint line portion 272 and the upper end of the intermediate joint line portion 274, and the lower end of the intermediate joint line portion 274 and the upper end of the lower joint line portion 276 are separated in the vertical direction at the creaseless portions 258 and 260, respectively. As a result, two cuts 278 and 280 are formed.

In the wearing state of the mask according to the present embodiment, both end portions of the cover portion 250 are bent at the creaseless portions 258 and 260, respectively, and two portions corresponding to the cuts 278 and 280 on the both end edges of the cover portion 250 are respectively left and right. Bends convexly toward the center of the direction.
Each of the upper joint line portion, the intermediate joint line portion, and the lower joint line portion may be provided so as to join only the side walls of the horizontal folds and not reach the fold-free portion.

  In a mask having a crease-free portion, it is not indispensable to provide a cut in the bonding line, and the bonding line may be a single continuous line without a cut. The crease-free portion is easier to bend than the crease formation portion, and when the mask is attached, both end portions of the cover portion are bent at the crease-free portion, and are easily adhered to the skin. When the joining line is a continuous line, four or more crease forming portions may be provided and three or more creaseless portions may be provided.

All of the three or more horizontal folds of the cover may be formed as upwardly convex horizontal folds. An example of the mask is shown in FIGS.
In the mask of the present embodiment, the fold forming portion 302 of the cover portion 300 includes a vehicle fold 306 including four horizontal folds 304. As shown in FIG. 15, each mountain fold portion 308 of the four horizontal folds 304 has an apex located above the bottom of the valley fold portion 310 and is upward, and the four horizontal folds 304 are the surface of the cover portion 300. When viewed from the side, they are formed so as to be adjacent to each other without a gap in a state of being convex upward, that is, the upward mountain folds 308 of each horizontal fold 304 can be seen and the valley folds 310 are not visible. The joint line 316 is provided in the same manner as the joint line 60 of the above embodiment, and is divided into an upper joint line portion 318, an intermediate joint line portion 320, and a lower joint line portion 322, and two cuts 324 and 326 are provided. .
Although the illustration and description of the upper, middle, and lower joining line portions are omitted, they can be provided in various manners as in the case where the horizontal folds are provided in a downwardly convex state.

Three or more horizontal folds of the cover may include box folds. The mask which is the example is demonstrated based on FIG. 16 and FIG.
In the mask of the present embodiment, one box fold 344 and two wheel folds 346 and 348 are formed in the fold forming portion 342 of the cover portion 340. The box fold 344 is formed at an intermediate position in the vertical direction of the cover 340 when viewed from the front side of the cover 340, the vehicle fold 346 is formed above the box fold 344, and the vehicle fold 348 is formed of the box fold 344. It is formed below. Hereinafter, the vehicle fold 346 is referred to as an upper vehicle fold 346, and the vehicle fold 348 is referred to as a lower vehicle fold 348.

  As shown in FIG. 17, the box fold 344 includes one horizontal fold 350 that protrudes upward as viewed from the front side of the cover 340 and one horizontal fold 352 that protrudes downward. The upper wheel fold 346 includes one horizontal fold 354 that protrudes upward as viewed from the front side of the cover 340, and the lower wheel fold 348 includes one horizontal fold 356 that protrudes downward. The mask of the present embodiment is a vehicle composed of two or more horizontal folds that are convex upward and two or more horizontal folds that are downwardly convex, respectively, with an intermediate portion in the vertical direction of the cover portion as a boundary. It can be thought of as having folds.

  Both end portions of the cover portion 340 are joined together by a joining line 360. In the present embodiment, the joint line 360 is divided into an upper joint line portion 362, an intermediate joint line portion 364, and a lower joint line portion 366. The upper joint line 362 joins the side walls of the upper wheel fold 346, the intermediate joint line 364 joins the side walls of the two horizontal folds 350, 352 of the box fold 344, and the lower joint line 366 is below Side walls of the vehicle fold 348 are joined to each other, and the upper and lower ends of the intermediate joint line portion 364 are shifted in both the vertical direction and the left and right direction with respect to the lower end of the upper joint line portion 362 and the upper end of the lower joint line portion 366. Has been.

In the state of wearing the mask, both side end portions of the cover portion 340 are bent convexly toward the center side of the cover portion 340 at two locations corresponding to the two cuts 368 and 370 of the joint line 360, thereby The adhesion to the skin is improved.
The upper, middle, and lower joining line portions can be provided in various manners as in the case where the crease forming portion does not include a box crease.

The cover part may include a main body part and a folded part. This type of mask is described in, for example, Japanese Patent Application Laid-Open No. 2010-51388, and an example of the mask will be briefly described with reference to FIG.
The mask covering portion 400 of this embodiment includes a main body portion 402 and a folded portion 404, and the main body portion 402 includes a fold forming portion 406. In the fold forming portion 406, a vehicle fold 410 including four horizontal folds 408 is formed, and the side walls of the respective horizontal folds 408 are joined to each other at a joining line 412 provided at both end portions of the main body portion 402. The folded portion 404 is formed by folding the lower portion of the material forming the cover portion 400 inward, and welding both side end portions of the folded portion to both side end portions of the lower end portion of the main body portion 402. A shallow bag-like portion 414 that is open toward is formed. At the time of wearing, the bag-like portion 414 is caught on the wearer's chin and prevented from shifting upward.

You may provide a junction part in at least one of the upper part and the lower part in a cover part. The joint is described in Japanese Patent Application Laid-Open No. 2012-105882, and a mask having the joint will be briefly described with reference to FIGS. 19 and 20.
In the mask of this embodiment, the cover portion 430 is normally folded in half in the center in the left-right direction with the side in contact with the face inside as shown in FIG. Chamfering is performed on the upper end portion and the lower end portion of the folded portion, and the edges of the chamfered portion 432 are joined to each other by welding to form joined portions 434 and 436. Accordingly, when the two-folded portion is expanded as shown in FIG. 20, the cover portion 430 becomes a three-dimensional shape that protrudes outward, the portion hangs on the nose and the chin, and the upper end portion of the cover portion 430 is downward. It is possible to satisfactorily prevent the lower end and the lower end from shifting upward.

  The cover part may be provided with a joint part at the upper part thereof, or may be provided with a joint part at the lower part thereof. Further, a joint portion may be provided at the upper portion of the cover portion, and a folded portion similar to the folded portion 404 shown in FIG. 18 may be provided at the lower portion. Also good. The upper joint portion, the lower joint portion, the bar, and the folded portion similar to the folded portion 404 shown in FIG. 18 can be provided alone or in appropriate combination.

  Although the mask has not been disclosed yet, the mask may include one head hanging portion in addition to the two ear hanging portions as in the mask according to the application of Japanese Patent Application No. 2013-128937 of the present applicant. The head hanging portion is provided so as to extend from one of the upper end corner portions of the cover portion and to return to the other of the upper end corner portions. This mask is used with the head hanging portion hung on the back of the head and a pair of ear hanging portions on both ears.

  10: Cover part 12: Ear hook part 24: Fold formation part 26: Car fold 28: Horizontal fold 60: Joint line 62: Upper joint line part 64: Middle joint line part 66: Lower joint line part 80, 82: Cut 100 : Joining line 108, 110: Break 120: Joining line 128, 130: Break 140: Joining line 148, 150: Break 160: Joining line 168, 170: Break 180: Joining line 188, 190: Break 200: Joining line 250: Cover portions 252, 254, 256: crease formation portions 258, 260: no crease portions 270: joint lines 278 and 280: cuts 300: cover portions 302: crease formation portions 316: joint lines 324 and 326: cut portions 340: cover portions 342 : Fold formation part 344: Box crease 360: Joining line 368, 370: Cut 400: Cover part 404: Folded part 406: Crease formation part 412: Joining line 414: Bag-like part 430: Cover part 434, 436: Joint part

Claims (9)

A horizontal fold provided with a fold forming portion including a cover portion covering the mouth and the nose and two ear hook portions hung on both ears, wherein the cover portion is formed with three or more horizontal folds extending in the horizontal direction. Type sanitary mask,
Upper and middle portions of the covering portion that extend in the vertical direction at each of both end portions of the covering portion and join the side walls of the three or more horizontal folds to each other to prevent the extending of the respective horizontal folds. By providing cuts at two locations corresponding to the boundaries of the three parts of the upper part and the lower part, respectively corresponding to the two cuts at each of both side edges of the cover part in the state of wearing the sanitary mask A horizontal fold-type sanitary mask characterized in that two places to be bent are easily bent convexly toward the center in the left-right direction as compared with the other parts.   The joint line is divided into three parts, an upper joint line part, an intermediate joint line part, and a lower joint line part, corresponding to the three parts of the upper part, the middle part, and the lower part of the cover part, respectively. The horizontal fold type according to claim 1, wherein the cut is formed by shifting an upper end and a lower end of the cover portion in a horizontal direction of the cover portion with respect to a lower end of the upper joint line portion and an upper end of the lower joint line portion. Sanitary mask.   The horizontal fold type sanitary mask according to claim 2, wherein an upper end and a lower end of the intermediate joint line part are shifted toward a center side of the cover part with respect to a lower end of the upper joint line part and an upper end of the lower joint line part.   The intermediate joint line portion is a line extending linearly in the vertical direction of the cover portion, and an inclined portion inclined in a direction toward the side end portion side of the cover portion as the upper joint line portion goes downward from the upper end. The horizontal fold-type sanitary mask according to claim 3, further comprising an inclined portion that is inclined in a direction toward the side end portion of the cover portion as the lower joint line portion extends upward from the lower end.   The horizontal fold type sanitary mask according to claim 2, wherein an upper end and a lower end of the intermediate joint line part are shifted to each side end side of the cover part with respect to a lower end of the upper joint line part and an upper end of the lower joint line part. .   The three or more horizontal folds are vehicle folds composed of four horizontal folds adjacent to each other in a downwardly convex state when viewed from the front side of the covering portion, and the intermediate joint line portion is formed of the four horizontal folds. Of these, the side walls of the two horizontal folds positioned in the middle in the vertical direction are joined together, the upper joint line portion joins the side walls of the uppermost of the four horizontal folds, and the lower joint line portion is the four The horizontal fold type sanitary mask according to any one of claims 2 to 5, wherein the side walls of the lowest horizontal fold are joined together.   The three or more horizontal folds are vehicle folds composed of four horizontal folds adjacent to each other in a state of being convex upward when viewed from the front side of the cover, and the intermediate joint line portion is formed of the four horizontal folds. Of these, the side walls of the two horizontal folds positioned in the middle in the vertical direction are joined together, the upper joint line portion joins the side walls of the uppermost of the four horizontal folds, and the lower joint line portion is the four The horizontal fold type sanitary mask according to any one of claims 2 to 5, wherein the side walls of the lowest horizontal fold are joined together.   The three or more horizontal folds are composed of one box fold located in the middle in the vertical direction of the cover as viewed from the front side of the cover and one or more horizontal folds located above the box fold. An upper vehicle fold and a lower vehicle fold comprising one or more horizontal folds located below the box fold, wherein the intermediate joint line portion joins two side walls of the box fold, The horizontal wrinkle-type sanitary mask according to any one of claims 2 to 5, wherein a joint line portion joins the side walls of the upper vehicle fold, and the lower joint line portion joins the side walls of the lower vehicle fold.   The cover includes three crease forming portions each formed with one or more lateral folds extending in the lateral direction, and two creaseless portions respectively formed between the three crease formation portions, An upper joint line portion, an intermediate joint line portion, and a lower joint line portion are formed corresponding to each of the three crease forming portions, and a lower end of the upper joint line portion, an upper end of the intermediate joint line portion, and a lower end of the intermediate joint line portion. The horizontal fold type sanitary mask according to claim 1, wherein the two cuts are formed by separating the upper ends of the lower joint line portion in the vertical direction.

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