JP4676113B2 - Double mask - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a double mask comprising an inner cover located on the wearer side and an outer cover disposed outside the inner cover.
[0002]
[Prior art]
As a conventional double mask, for example, as described in Japanese Utility Model Laid-Open No. 7-7657, there is one in which an inner cover (filter part) and an outer cover are separate members and the inner cover is attached to the inner side of the outer cover when used.
[0003]
[Problems to be solved by the invention]
However, in the conventional mask as described above, it takes time and labor to attach the inner cover, and the operation at the time of wearing is complicated, and the manufacturing process is complicated, and it is difficult to reduce the manufacturing cost.
[0004]
Moreover, the original function as a double mask may not be fully exhibited without being able to attach an internal cover to an appropriate position. Furthermore, if the mounting method is inappropriate, the inner cover may fall from the outer cover. Also,
[0005]
The present invention has been made in view of the above situation, and an object of the present invention is to provide a double mask that can easily reduce the manufacturing cost and can be easily mounted.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, a double mask according to claim 1 includes first and second sheets having substantially the same size and shape; and for mounting the mask on a wearer. And a locking member. The first sheet has a boundary region extending in the vertical direction near the center, and the first region on the left and right sides of the boundary region forms the right half of the inner cover, and the left and right other sides facing the first region The second region forms the right half of the outer cover. Similarly, the second sheet has a boundary region extending in the vertical direction near the center, and the first region on the left and right sides of the boundary region forms the left half of the inner cover, and the left and right sides facing the first region. The second region on the other side forms the left half of the outer cover. Furthermore, the first sheet and the second sheet are overlapped, and both sheets are joined along the boundary region.
[0007]
As described above, since the double mask is formed by arranging the two sheets on the right and left instead of the inside and outside, the inner cover and the outer cover are integrated to form a mask. For this reason, the operation which attaches an inner side cover to an outer side cover at the time of wear is unnecessary, and it can mount | wear very easily like a normal single mask. Further, since the mask is formed by joining the same two sheets, it is possible to easily reduce the manufacturing cost including the processing cost such as cutting the sheet. In addition, since the double mask is basically formed only by joining the boundary region, the manufacturing process can be simplified.
[0008]
In the invention according to claim 2 of the present application, in each of the first and second sheets, the edge portion on the boundary region side of the first region is formed in an arc shape. For this reason, an inner cover becomes cup shape at the time of mounting | wearing of the said mask, fit property improves, and an inner cup can cover a wearer's nose and mouth reliably.
[0009]
In the invention according to claim 3 of the present application, the first sheet and the second sheet are joined to the upper and lower ends of the boundary region. With such a configuration, the entire upper and lower end portions can be reliably covered from the wearer's nose to the mouth without variation.
[0010]
In the invention described in claim 4 of the present application, in each of the first and second sheets, a part of the first region corresponding to the inner cover and the second region corresponding to the outer cover are joined. . In this manner, by joining the inner cover and the outer cover on both the left and right sides, the inner cover and the outer cover are integrated with each other without being unnecessarily separated from each other.
[0011]
In invention of Claim 5 of this application, the 1st and 2nd sheet | seat is shape | molded from a nonwoven fabric. By forming the mask body from a nonwoven fabric, it is possible to reduce manufacturing costs such as material costs and processing costs. For example, in invention of Claim 6, it shape | molds from the nonwoven fabric whose distance between fibers is 30 microns or less. With such a configuration, fine particles such as pollen can be blocked.
[0012]
In the invention according to claim 7 of the present application, the first and second sheets are nonwoven fabrics formed from heat-sealing fibers and water-absorbing fibers. For this reason, a sheet | seat can be joined by a heat seal or a sonic seal, and a manufacturing process can be simplified.
[0013]
In invention of Claim 8 of this application, the securing member is shape | molded from the nonwoven fabric, film, or knitted fabric which has a stretching property. By forming the locking member with a material such as a non-woven fabric in the same manner as the mask main body (first and second sheets), it contributes to a reduction in manufacturing cost.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
[0015]
FIG. 1 is a developed plan view showing a structure of a double mask 10 according to an embodiment of the present invention, and shows a state seen from a wearer side. FIG. 2 is a top view showing the structure of the double mask 10 and shows a state seen from the forehead side of the wearer. FIG. 3 is a side view showing the structure of the double mask 10 and shows a state viewed from the left side of the wearer. FIG. 4 is a plan view showing a structure (appearance shape) of sheets (first sheet 30 and second sheet 40) used in the double mask 10 according to the embodiment.
[0016]
When the double mask 10 according to the present embodiment is viewed as a mask complete body, the inner cover 12 positioned on the wearer side, the outer cover 14 disposed outside the inner cover 12, the inner cover 12 and the outer cover It is comprised from the latching members 16 and 18 for hanging the mask main body comprised from the cover 14 on a wearer's ear, and fixing. On the other hand, when the double mask 10 is viewed in units of members constituting the mask, the first sheet 30 constituting the right half of the mask body, the second sheet 40 constituting the left half, and the locking member 16 described above. , 18. In FIG. 1, reference numeral 20 indicates the center position of the mask 10.
[0017]
As shown in FIG. 4, the first sheet 30 has a boundary region 28 </ b> R extending in the longitudinal direction near the center, and the first region 22 </ b> R on the right side of the boundary region 28 </ b> R forms the right half of the inner cover 12. The left second region 24R facing the first region 22R forms the right half of the outer cover 14. Similarly, the second sheet 40 has a boundary region 28L extending in the vertical direction near the center, and the first region 22L on the right side of the boundary region 28L forms the left half of the inner cover, and the first region The left second region 24L facing 22L forms the left half of the outer cover 14.
[0018]
In each of the first and second sheets 30 and 40, the edge portions on the side of the boundary regions 28R and 28L of the first regions 22R and 22L are curved, and when the mask 10 is mounted as shown in FIGS. The inner cover 12 is formed in a cup shape. With such a configuration, the fit is improved, and the inner cup 12 can reliably cover the wearer's nose and mouth.
[0019]
The first and second sheets 30 and 40 are, for example, water-absorbing fibers such as rayon and cotton, non-woven fabrics (SMS, point bond, spun bond, etc.) made of heat-bonded fibers such as polypropylene and polyester, woven fabrics, It can be formed by knitting. “SMS” refers to a nonwoven fabric formed by sandwiching a meltblown nonwoven fabric with a spunbonded nonwoven fabric. By forming the 1st and 2nd sheet | seats 30 and 40 with a nonwoven fabric, reduction of manufacturing costs, such as material cost and processing cost, can be aimed at. Preferably, the first and second sheets 30 and 40 are formed by SMS having a fiber-to-fiber distance of 30 μm or less so that fine particles such as pollen can be blocked.
[0020]
Moreover, both sheets 30 and 40 can be joined by a heat seal or a sonic seal by mixing a heat-fusion fiber with a material such as a nonwoven fabric constituting the first and second sheets 30 and 40. As a result, the manufacturing process can be simplified and the manufacturing cost can be reduced.
[0021]
L-shaped cuts 16a and 18a are formed in the locking members 16 and 18, and the wearer's ears are hooked here. The locking members 16 and 18 are preferably formed from a nonwoven fabric, a film, or a knitted fabric having elasticity. Here, the locking members 16 and 18 are formed of a material such as a non-woven fabric in the same manner as the mask main body (first and second sheets 30 and 40), thereby contributing to a reduction in manufacturing cost. When the locking members 16 and 18 are formed of non-woven fabric, the breaking point is 150% / 25 mm or more at 4.5 N / width 25 mm or less at 50% elongation. Thereby, the fitting property which followed the size of a wearer's face, movement at the time of wearing, etc. can be improved.
[0022]
2 and 3, in each of the first and second sheets 30, 40, first regions 22R, 22L corresponding to the inner cover 12, and second regions 24R, 24L corresponding to the outer cover 14, Are joined at the joints 26R and 26L. In this way, by joining the inner cover 12 and the outer cover 14 on both the left and right sides, the inner cover 12 and the outer cover 14 are integrated with each other without being unnecessarily separated from each other. In addition, it is preferable that the positions of the joint portions 26R and 26L are the center positions of the sheets 30 and 40 in the vertical direction.
[0023]
FIG. 5 is a plan view showing a structure of sheets (first and second sheets) used for the double mask according to the embodiment, and shows a state in the middle of manufacture (before cutting). As illustrated, the first sheet 30 and the second sheet 40 are bonded and fixed along the bonding line 42. And after joining the 1st sheet | seat 30 and the 2nd sheet | seat 40, an unnecessary part is cut and a double mask is shape | molded. In addition, a double mask can also be shape | molded by folding both the sheets 30 and 40 along the vertical joining line 42, without cutting from the state of FIG. In addition, the first sheet 30 and the second sheet 40 can be joined after being cut.
[0024]
FIG. 6 is a plan view showing a joining region of two sheets (first sheet 30 and second sheet 40) used in the double mask 10 according to the embodiment, and the hatched portions are joined. Indicates the area. The figure shows a state in which the first sheet 30 and the second sheet 40 are stacked in a direction perpendicular to the paper surface. After overlapping the first sheet 30 and the second sheet 40, the first sheet 30 and the second sheet 40 are joined at the joining region 42 along the boundary regions 28R and 28L. Thus, since the mask 10 according to the present embodiment is basically formed only by joining the boundary region 42, the manufacturing process can be simplified.
[0025]
Further, since the first sheet 30 and the second sheet 40 are joined to the upper and lower end portions of the boundary regions 28R and 28L, the upper and lower end portions do not vary, and the mouth and the mouth of the wearer are not scattered. The whole can be reliably covered.
[0026]
FIG. 7 is a plan view showing a joining region 56 of two sheets (first and second sheets) used in a double mask 50 according to another embodiment of the present invention. The joining area is shown. In this embodiment, the joining region 56 disposed between the region 52 corresponding to the inner cover and the region 54 corresponding to the outer cover extends linearly in the vertical direction. When the side end of the region 52 is not curved as in the first embodiment, the inner cover is not cup-shaped, but the shapes of the sheet 50 and the joining region 56 are simplified. Further, the manufacturing cost can be reduced.
[0027]
Although the embodiment of the present invention has been described above, the present invention is not limited to this, and it is needless to say that the design can be changed as appropriate within the scope of the technical idea shown in the claims. .
[0028]
【The invention's effect】
As described above, according to the invention described in claim 1 of the present application, since the double mask is formed by arranging the two sheets on the left and right instead of the inside and outside, the inner cover and the outer cover are integrated. This constitutes a mask. For this reason, the operation which attaches an inner side cover to an outer side cover at the time of wear is unnecessary, and it can mount | wear very easily like a normal single mask. Further, since the mask is formed by joining the same two sheets, it is possible to easily reduce the manufacturing cost including the processing cost such as cutting the sheet. Therefore, the mask according to the present invention can be used as a disposable.
[0029]
According to the invention described in claim 2 of the present application, in each of the first and second sheets, the edge on the boundary region side of the first region is formed in an arc shape. The inner cover becomes cup-shaped, improving fit, and the inner cup can reliably cover the wearer's nose and mouth.
[0030]
According to invention of Claim 3 of this application, since the 1st sheet | seat and the 2nd sheet | seat are joined over the upper-lower-end part of a boundary area, an upper-lower-end part does not vary at the time of wear. In addition, the whole can be reliably covered from the wearer's nose to the mouth.
[0031]
According to the invention described in claim 4 of the present application, in each of the first and second sheets, a part of the first region corresponding to the inner cover and the second region corresponding to the outer cover is joined. Therefore, the inner cover and the outer cover are integrated with each other without being unnecessarily separated from each other.
[0032]
According to invention of Claim 5 of this application, since the 1st and 2nd sheet | seat is shape | molded by a nonwoven fabric, reduction of manufacturing costs, such as material cost and processing cost, can be aimed at. Further, according to the invention described in claim 6, since the nonwoven fabric having a fiber-to-fiber distance of 30 microns or less is adopted as the first and second sheets, it is possible to reliably block fine particles such as pollen. Become.
[0033]
According to invention of Claim 7 of this application, since the 1st and 2nd sheet | seat is a nonwoven fabric formed from a heat-fusion fiber and a water absorptive fiber, it joins a sheet | seat by heat sealing or a sonic seal. The manufacturing process can be simplified and the manufacturing cost can be reduced.
[0034]
Further, according to the invention described in claim 8 of the present application, since the locking member is formed from a stretchable nonwoven fabric, film or knitted fabric, similarly to the mask main body (first and second sheets). This will contribute to the reduction of manufacturing costs.
[Brief description of the drawings]
FIG. 1 is a developed plan view showing a structure of a double mask according to an embodiment of the present invention, and shows a state seen from a wearer side.
FIG. 2 is a top view showing the structure of the double mask according to the embodiment, and shows a state seen from the wearer's forehead.
FIG. 3 is a side view showing the structure of the double mask according to the embodiment, and shows a state seen from the left side of the wearer.
FIG. 4 is a plan view showing a structure of sheets (first and second sheets) used for the double mask according to the embodiment.
FIG. 5 is a plan view showing a structure of sheets (first and second sheets) used for the double mask according to the embodiment, and shows a state during manufacture (before cutting).
FIG. 6 is a plan view showing a joining region of two sheets (first and second sheets) used in the double mask according to the embodiment, and the hatched portion indicates the joining region. Show.
FIG. 7 is a plan view showing a joining region of two sheets (first and second sheets) used in a double mask according to another embodiment of the present invention, and is indicated by hatching. A part shows a junction area.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Double mask 12 Inner cover 14 Outer cover 16, 18 Locking member 22R, 22L 1st area | region 24R, 24L 2nd area | region 28R, 28L Boundary area | region 30 1st sheet | seat 40 2nd sheet | seat 42 Joining area | region

Claims (8)

In a double mask consisting of an inner cover located on the wearer side and an outer cover arranged outside the inner cover,
First and second sheets having substantially the same size and shape; and a locking member for mounting the mask on the wearer,
The first sheet has a boundary region extending in the vertical direction near the center, the first region on one side of the right and left sides of the boundary region forms the right half of the inner cover, and the left and right sides facing the first region. A second region on the side forms the right half of the outer cover;
The second sheet has a boundary region extending in the vertical direction near the center, and a first region on one side of the right and left sides of the boundary region forms a left half of the inner cover, and the left and right sides facing the first region. A second region on the side forms the left half of the outer cover;
A mask characterized in that the first sheet and the second sheet are superposed and both sheets are joined along the boundary region. 2. The mask according to claim 1, wherein in each of the first and second sheets, an edge of the first region on the boundary region side is formed in an arc shape. The mask according to claim 1, wherein the first sheet and the second sheet are joined to upper and lower ends of the boundary region. The first and second sheets each have a first region corresponding to the inner cover and a second region corresponding to the outer cover joined together. Or the mask of 3. The mask according to claim 1, 2, 3, or 4, wherein the first and second sheets are formed from a nonwoven fabric, a woven fabric, or a knitted fabric. The mask according to claim 5, wherein the first and second sheets are formed of a nonwoven fabric having an interfiber distance of 30 μm or less. The mask according to claim 5 or 6, wherein the first and second sheets are nonwoven fabrics formed from heat-sealing fibers and water-absorbing fibers. The mask according to claim 5, 6 or 7, wherein the locking member is formed from a stretchable nonwoven fabric, film or knitted fabric.

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