JP2020041254A - Disposable face mask - Google Patents

Abstract

To provide a disposable face mask that allows the inner side and the back side thereof to be easily differentiated while restricting such function from affecting the masking performance.SOLUTION: The disposable face mask includes: a mask main body 10 including non-woven cloth that has upper and bottom directions, a width direction and a thickness direction and a first surface and a second surface that are one and the other surface in the thickness direction; and a pair of ear hanging parts 20 that are fused to the second surface on both sides of the mask main body with fusion parts 30. The color of the ear hanging parts is different from the color of the first surface of the mask main body. The different color from the color of the first surface is visible from the first surface side through the fusion part.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a disposable mask.

  Disposable masks that are partially or entirely colored are known. For example, Patent Literature 1 discloses a disposable mask. The disposable mask has a vertical direction and a width direction, and includes a mask body having an inner surface and an outer surface, and a pair of ear hooks extending from both side edges of the mask body. The mask body is formed from a base sheet, and has a plurality of folds formed by folding the base sheet and lined up and down. The base sheet has an inner layer sheet located on the inner surface side, an outer layer sheet located on the outer surface side, and an intermediate sheet interposed between the inner and outer layer sheets. The inner and outer layer sheets have a higher total light transmittance than the intermediate sheet. Only the intermediate sheet of the base sheet is colored. The ear hook portion has a thin string shape and is colored in the same color as the intermediate sheet.

  Also, a disposable mask which is not colored but has an illustration printed on its outer surface is known. For example, Japanese Utility Model Registration No. 3055534 discloses a color mask for fashion and medical use. In this fashion and medical color mask, an illustration is printed or hand-drawn on the center of a mask made of a mask material colored with gauze, non-woven fabric or the like.

JP 2018-204169 A Japanese Utility Model Registration No. 3055534

  In a disposable mask without a pattern as in Patent Literature 1, the inner surface (the surface that comes into contact with the skin when worn) and the outer surface (the surface opposite to the inner surface) are generally colored in the same color or similar colors. It becomes difficult to distinguish between the inner surface and the outer surface, and it may take time to mount the mask. In addition, there is a possibility that the inner surface and the outer surface may be mistaken, and the outer surface may be worn as a surface that comes into contact with the skin. In this case, the original function of the mask may not be exhibited. Further, in a disposable mask having a pattern as in Patent Document 2, it is not difficult to distinguish between the inner surface and the outer surface, but depending on the printing of the pattern, there is a risk of affecting the mask performance and increasing the cost.

  An object of the present invention is to provide a disposable mask that can easily distinguish an inner surface from an outer surface while suppressing the influence on mask performance.

  The disposable mask of the present invention has (1) a vertical direction, a width direction, and a thickness direction, has a first surface and a second surface that are one and the other surfaces in the thickness direction, and includes a nonwoven fabric. A disposable mask comprising: a mask body; and a pair of ear hanging members fused to the second surfaces on both side portions in the width direction of the mask body by a fused portion, wherein the color of the ear hanging member is A disposable mask in which a color different from the color of the first surface of the mask body and different from the color of the first surface is visible from the first surface side via the fused portion.

In the present disposable mask, when the nonwoven fabric of the mask body is fused to the ear hanging member at the fusion portion, the nonwoven fabric is melted into a film and becomes substantially transparent. For this reason, the user may select the color of the ear hanging member fused to the second surface, or a mixed color obtained by mixing the color of the ear hanging member with the color of the first surface and / or the second surface (hereinafter, simply referred to as a mixed color). (Also referred to as “mixed color”) can be viewed from the first surface side through the substantially transparent fused portion. However, the color or mixed color of the ear hanging member is different from the color of the first surface. Therefore, when the user sees the disposable mask from the first surface side, the user can see through the fused portion, that is, the color different from that of the first surface, at the positions of the fused portions at both ends in the width direction. The color or mixed color of the ear hanging member can be easily confirmed. Therefore, when the user looks at the first surface of the disposable mask, the color of the first surface is different from the color grasped by seeing through the fused portion. It can be easily directed to the attachment part. Thereby, it is easy for the user to determine that the first surface side fused portion is not the second surface side fused portion to which the ear hanging member is directly fused, and that the surface is the first surface. It can be grasped. Conversely, when the user looks at the second surface of the disposable mask, the ear hanging member is directly fused, so that it can be easily grasped that the surface is the second surface. That is, the user can easily distinguish the second surface from the first surface.
Here, the user knows in advance which of the first surface and the second surface is the inner surface and which is the outer surface in a mask package diagram or the like. Alternatively, the user may use the disposable mask once without knowing which of the first and second surfaces is the inner surface and which is the outer surface. Yes, you can see which is the outside. Thereby, the user can easily distinguish between the first surface and the second surface, and thus can distinguish between the inner surface and the outer surface.
Further, since it is not necessary to provide a pattern on the first surface or the second surface for distinguishing between the inner surface and the outer surface, it is possible to suppress the influence on the mask performance and the increase in cost.
In addition, it is possible to suppress the time required to attach the disposable mask, and the disposable mask can be correctly attached, so that the disposable mask can properly exhibit its original function.

The disposable mask of the present invention may be (2) the disposable mask according to (1), wherein the color of the ear hanging member is similar to the color of the second surface of the mask body.
In this disposable mask, the color of the ear hanging member is similar to the color of the second surface to which the ear hanging member is fused. Therefore, when the user looks at the first surface of the disposable mask, the color of the first surface is different from the color grasped by seeing through the fused portion, that is, the color of the first surface and the ear hook member. Or the mixed color is not similar to each other, it can be immediately recognized that the surface is not the second surface to which the ear hook member is directly fused. Conversely, when the user looks at the second surface of the disposable mask, the color of the second surface and the color of the fused portion (from the second surface side, the color of the ear hook member itself) are mutually different. Since the colors are similar colors, it can be easily grasped that the surface is the second surface. That is, the user can easily distinguish the second surface from the first surface. In this case, the similar colors include the same color.

(3) The disposable mask according to the present invention, wherein (3) the first surface is an inner surface of the mask body, and the second surface is an outer surface of the mask body. Mask.
In the present disposable mask, the ear hanging member is coupled to the outer surface side so as to press the mask body from the second surface, that is, the outer surface side toward the skin when worn. Thereby, when the present disposable mask is worn on the user, it can be properly fitted to the face, and the original function can be exhibited properly. In addition, when the user looks at the first surface of the disposable mask, that is, the inner surface, the color of the inner surface is different from the color grasped by seeing through the fused portion. I can understand. Conversely, when the user looks at the second surface of the disposable mask, that is, the outer surface, the ear hanging member is directly fused, so that the user can immediately recognize that surface is the outer surface. That is, the inner surface and the outer surface can be easily distinguished.

In the disposable mask of the present invention, (4) the color of the ear hanging member and the color of the first surface of the mask main body have a hue of 5 or more and a lightness of 1 or more or saturation in the Munsell color system. May be the disposable mask according to any one of the above (1) to (3), which are separated by one or more.
In this disposable mask, the color of the ear hanging member and the color of the first surface of the mask body are separated by 5 or more hues, 1 or more luminosity, or 1 or more chromaticity in the Munsell color system (100 hues). I have. Therefore, the user can more easily visually recognize the color or the mixed color of the ear hanging member from the first surface side via the fused portion. That is, the second surface to which the ear hook member is fused can be more easily distinguished from the first surface on which the color of the ear hanging member can be visually recognized through the fused portion. Thereby, the inner surface and the outer surface can be easily distinguished by the color.

In the disposable mask of the present invention, (5) the ear hanging member includes woven rubber, and a color of at least one of a warp and a weft in the woven rubber is different from a color of the first surface of the mask body. The disposable mask according to any one of (1) to (4) may be used.
In this disposable mask, the user can easily distinguish the second surface on the side where the woven rubber as the ear hanging member is fused from the first surface where the color of the woven rubber can be visually recognized through the fused portion. can do. Further, in the case of woven rubber, even if tension is applied in the length direction, the dimension in the width direction hardly changes and does not become thin. Therefore, even when tension is applied in the length direction, the color of the woven rubber as the ear hanging member can be easily grasped. They allow the inner and outer surfaces to be more easily distinguished by color.

(6) The disposable mask according to the above (6), wherein the color of the warp and the weft in the woven rubber, the color of the larger number of yarns per unit volume, is different from the color of the first surface of the mask body. The disposable mask described in 5) may be used.
In the present disposable mask, the color of the warp and the weft having the larger number of yarns per unit volume is different from the color of the first surface of the mask body. The two surfaces and the first surface in which the color of the woven rubber can be visually recognized through the fused portion can be more easily distinguished. Thereby, the inner surface and the outer surface can be more easily distinguished by the color.

In the disposable mask of the present invention, (7) the mask body may include, at each of both ends in the width direction, at least one of both ends in the up-down direction extending in an outer direction in the width direction. (1) wherein the fusion-bonded portion includes an extension fusion-bonded portion located at the extension portion, and the ear hook member has at least one end fused to the extension fusion-bonded portion. The disposable mask according to any one of (6) to (6) may be used.
In the present disposable mask, the mask main body includes, at the end in the width direction, at least one of both ends in the vertical direction including an extension portion extending in the outer direction in the width direction, and the ear hanging member has at least one end. The part is fused to the extended fusion part. As described above, since the extended fusion portion is located at the extension portion extending in the outer direction in the width direction, the user can easily grasp the extended fusion portion. , The color or mixed color of the ear hanging member can be easily visually recognized from the first surface side. Therefore, the user can more easily distinguish between the second surface and the first surface. Thereby, the inner surface and the outer surface can be more easily distinguished by the color.

In the disposable mask according to the present invention, (8) the extending portion has a first end in which the one end in the vertical direction extends outward in the width direction at each of both ends in the width direction of the mask body. An extension, a second extension in which the other end in the up-down direction extends outward in the width direction, and between the first extension and the second extension. A constricted portion constricted in a direction inward in the width direction is located, and the extended fused portion is located on a first extended fused portion located on the first extended portion, and located on the second extended portion. The ear extension member is fused at one end by the first extension fusion portion, and the other end is formed by the second extension fusion portion at the mask. The disposable mask according to the above (7), which is fused to the main body, may be used.
In the present disposable mask, the mask body includes first and second extending portions in which both ends in the vertical direction extend outward in the width direction at the ends in the width direction. One end and the other end are fused to the first and second extended fusion parts. As described above, the first and second extended fusion parts are located in the first and second extension parts extending in the outer direction in the width direction, so that the first and second extension fusion parts are formed. Since it can be easily grasped, the color or the mixed color of the ear hanging member can be easily visually recognized from the first surface side via the first and second extended fusion parts. Therefore, the user can more easily distinguish between the second surface and the first surface. Thereby, the inner surface and the outer surface can be more easily distinguished by the color.

(9) In the disposable mask according to the present invention, (9) the fused portion is formed by melting the mask main body and the ear hook member by ultrasonic waves. May be used.
In the present disposable mask, since the fused portion is formed by melting the mask body and the ear hanging member by ultrasonic waves, the nonwoven fabric of the mask body can be easily formed into a film. The color or mixed color of the ear hanging member located on the surface can be easily visually recognized from the first surface side via the fusion bonding portion. Thereby, the inner surface and the outer surface can be more easily distinguished by the color.

In the disposable mask of the present invention, (10) the mask body is a laminate in which a plurality of nonwoven fabrics are laminated, and the laminate has a plurality of main body fusion parts that fuse the plurality of nonwoven fabrics, The plurality of main body fusion parts include a character string fusion part having a character string shape in which a plurality of characters readable when viewed from the second surface are arranged, and the character string fusion part includes the character string fusion part. The method according to any one of (1) to (9), wherein the column is located at the center in the direction of the character string and is asymmetric with respect to a center line extending in a direction orthogonal to the direction of the character string. It may be a disposable mask.
The disposable mask includes a character string fusion portion that includes a character string that can be read from the second surface and is asymmetric with respect to the center line. Thereby, the second surface and the first surface can be easily distinguished from the state of the character string of the character string fusion splicing part. Further, since the character string fusion part is a fusion part for fusing a plurality of nonwoven fabrics, the character string fusion part can be formed while suppressing the influence on the mask performance and the increase in cost. Thereby, the inner surface and the outer surface can be more easily distinguished by the color.

  According to the present invention, it is possible to provide a disposable mask capable of easily distinguishing the inner surface from the outer surface while suppressing the influence on the mask performance.

It is a perspective view showing the example of composition of the disposable mask concerning an embodiment. It is a side view by the side of the outside which shows the example of composition of the disposable mask concerning an embodiment. It is a side view by the inner side which shows the example of a structure of the disposable mask which concerns on embodiment. FIG. 2 is a partial cross-sectional view of the disposable mask shown in FIG. It is a front view showing the example of composition of the disposable mask concerning other embodiments. It is a rear view showing the example of composition of the disposable mask concerning other embodiments.

  Hereinafter, a disposable mask according to an embodiment will be described with reference to the drawings.

  1 to 4 are views showing a configuration example of a disposable mask 1 (hereinafter, also simply referred to as “mask 1”) according to the embodiment. However, FIG. 1 is a perspective view showing an aspect when the mask 1 is worn. FIG. 2 is a side view showing the outer surface of the mask 1 in a state where the mask 1 is folded in two. FIG. 3 is a side view showing an inner surface of the mask 1 in a state where the mask 1 is folded in two. FIG. 4A is a partial sectional view taken along the line IVa-IVa in FIG. 2, and FIG. 4B is a partial sectional view taken along the line IVb-IVb in FIG. The mask 1 is formed of a sheet-like member including a nonwoven fabric and covers the mouth and nose of the wearer. The mask 1 is fused to the mask body 10 at the fusion portion 30 and is hung on a pair of ears of the wearer. And a pair of ear hanging members 20 formed of a string-shaped or band-shaped member.

  The mask body 10 has a vertical direction L, a width direction W, and a thickness direction T, and an inner surface IS (first surface) and an outer surface OS (second surface) which are one and the other surfaces in the thickness direction T. ). Here, in the up-down direction L, a fusion portion 30 for fusing one of the pair of ear hanging members 20 to the mask body 10 and a fusion bonding for fusing the other of the pair of ear hanging members 20 to the mask body 10. When the mask main body 10 is folded in two so that the portion 30 and the mask 30 overlap each other, the direction of the straight line formed by the fold is shown. However, when the fold forms a curve as in the present embodiment (FIG. 2), the vertical direction L is the top Ca that will be located at the top on the face when worn, and the bottom L in the curve. The direction is the direction of a straight line CL connecting the apex Cb to be located. The width direction W is a direction perpendicular to the vertical direction L and along the outer surface OS or the inner surface IS. The thickness direction T is a direction orthogonal to the vertical direction L and the width direction W, and is therefore the direction of the thickness of the sheet constituting the mask main body 10. Note that the shape of the mask body 10 is not limited to the examples in these drawings as long as it can cover the nose and mouth, and for example, a substantially elliptical shape, a substantially inverted triangular shape, a substantially polygonal shape, and the like. Combinations and the like.

  The pair of ear hanging members 20 are fused to the outer surfaces OS (second surfaces) on both sides in the width direction W of the mask body 10 by the fusion parts 30, 30. The fusion part 30 is formed by, for example, a method of fusing the ear hanging member 20 and the mask body 10 by heat or ultrasonic waves. When the mask main body 10 is fused with the ear hanging member 20 and the fusion bonding portion 30, the portion corresponding to the fusion bonding portion 30 of the mask main body 10 is once melted into a film-like film portion 15 (described later), and the film is formed. The portion 15 and the end 22 (described later) of the ear hanging member 20 are fused. Therefore, the fusion portion 30 includes the film portion 15 and the end portion 22, and has a configuration in which both are fused via the joint surface CS. In addition, in the joint surface CS, both may be partially mixed with each other. In another embodiment, the inner surface IS is the second surface, and the outer surface OS is the first surface. In this case, the pair of ear hanging members 20 are fused to the inner surfaces IS (second surfaces) on both sides in the width direction W of the mask body 10 by the fusion parts 30, 30. The end of a member or the like in a certain direction (for example, the vertical direction L or the width direction W) is one-fifth of the entire length of the member or the like in the direction from the edge of the direction. Refers to the range of dimensions. For example, the end of the mask body 10 in the width direction W refers to a range of a width of 1/5 of the maximum length of the mask body 10 in the width direction W from the edge in the width direction W of the mask body 10.

  In the fusion part 30, since the film part 15 is substantially transparent, a part or the whole of a light beam (for example, visible light) can pass through the inside. However, depending on the color of the outer surface OS and the color of the inner surface IS, the color of the film portion 15 may be a color including at least one of the color of the outer surface OS and the color of the inner surface IS. Therefore, when the film portion 15 is viewed from the inner surface IS side or the outer surface OS side, the color of a member or the like located near the opposite outer surface OS side or the inner surface IS side (eg, the end 22 of the ear hanging member 20). Are visible. In addition, as a fusion method, that is, a method of forming the fusion portion 30, from the viewpoint of easiness of forming the film portion 15 of the mask body 10 into a film, easiness of high-speed production, and reliability, a method of ultrasonic fusion is used. Is preferred.

The color of the ear hanging member 20 is different from the color of the inner surface IS (first surface) of the mask body 10. Therefore, from the inner surface IS (the first surface) side via the fusion portion 30 (the film portion 15 of the mask body 10), the color of the (the end 22) of the ear hanging member 20 or the color of the ear hanging member. A mixed color in which the colors of the inner surface IS and / or the outer surface OS are mixed (also simply referred to as “mixed color”) can be easily visually recognized. Therefore, when the user looks at the inner surface IS of the mask body 10, the color of the inner surface IS and the outer surface OS side visible through the fused portion 30 of the inner surface IS (of the film portion 15 of the mask body 10). It can be confirmed that the color or the mixed color of (the end 22 of) the ear hanging member 20 is different. Therefore, it is easy to distinguish the inner surface IS from the outer surface OS to which the ear hanging member 20 is directly attached. However, the color of the inner surface IS is preferably a white color. Thereby, the color of the ear hanging member 20 can be made hard to be affected by the color of the inner surface IS of the film portion 15, and the ear hanging member 20 can be easily visually recognized through the fused portion 30.
Further, in the present embodiment, the color of the inner surface IS of the mask body 10 is different from the color of the outer surface OS. This is to make it easier to distinguish the inner surface IS from the outer surface OS. Further, in the present embodiment, the color of the ear hanging member 20 is similar to or similar to the color of the outer surface OS of the mask body 10. Thereby, the color of the ear hanging member 20 in the fusion portion 30 is emphasized by the color of the outer surface OS, so that the influence of the color of the inner surface IS of the film portion 15 can be further reduced, and more It becomes easy to see. That is, the ear hanging member 20 and the outer surface OS can be more easily distinguished from the inner surface IS, and thus the inner surface IS and the outer surface OS can be more easily distinguished.

  However, in the present specification, "different colors" means that in the Munsell color system (100 hues), the hue is 5 or more (preferably 8 or more, more preferably 10 or more) and the lightness is 1 or more (preferably 2 or more). The above, more preferably 3 or more), or the saturations are 1 or more (preferably 2 or more, more preferably 3 or more) and separated. Further, in the present specification, a color “similar” or “similar color” means that in the Munsell color system (100 hue), the hue is less than 5, the lightness is less than 1, or the saturation is less than 1. Means that the colors are the same. The color of the ear hanging member 20, the color of the inner surface IS of the mask body 10, and the color of the outer surface OS of the mask body 10 are not particularly limited as long as the above conditions are satisfied. The white color is a color having a lightness of 7 or more, preferably 8 or more, and more preferably 9 or more.

Alternatively, the term “different” means that the color difference ΔE means that ΔE is 1 or more, preferably ΔE is 2 or more, more preferably ΔE is 3 or more, and still more preferably ΔE is 5 or more. There may be. In this case, the color is “similar” or “similar color” when the color difference ΔE is less than 1. The white color is a color in which L ^* is 70 or more, preferably 80 or more, and more preferably 90 or more.

により算出する。 However, the above color difference is measured as follows.
(1) X-Rite eXact Standard (measurement diameter: 1.5 mm) manufactured by X-Rite is prepared.
(2) the CIE L ^* a ^* b ^* coordinates of the measurement to be part of the sample, the position measured over 10 points by changing the, their average value _{^{([L 1 *, a 1}} *, b 1 *]) and calculate.
(3) the L ^* a ^* b ^* coordinates of the portion to be compared in the sample, the position measured over 10 points by changing the calculated average value thereof _{^{([L 2 *, a 2}} *, b 2 *]) I do.
(4) The color difference ΔE is calculated by the following equation:

It is calculated by:

As described above, in the mask 1 according to the present embodiment, when the nonwoven fabric of the mask main body 10 is fused with the ear hanging member 20 at the fusion bonding portion 30, the nonwoven fabric is melted into a film and becomes substantially transparent (the film portion 15). ). Therefore, the user applies the color or mixed color of the ear hook member 20 fused to the outer surface OS (second surface) to the inner surface IS (first surface) through the film portion 15 of the substantially transparent fused portion 30. It is configured to be visible from the outside. Here, the color or the mixed color of the ear hanging member 20 is different from the color of the inner surface IS. Therefore, when the user views the mask 1 from the inner surface IS side, the film portion 15 of the fused portion 30 having a different color from the inner surface IS is provided at the positions of the fused portions 30 at both ends in the width direction W. The color or the mixed color of the ear hanging member 20 that can be seen through can be easily confirmed. Therefore, when the user looks at the inner surface IS of the mask 1, the color of the inner surface IS is different from the color grasped by seeing through the film portion 15 of the fused portion 30. Can easily be directed to the fused portion 30. Thus, the user can easily understand that the fusion portion 30 on the inner surface IS is not the fusion portion 30 on the outer surface OS to which the ear hook member 20 is directly fused, and that the surface is the inner surface IS. Can be done. Conversely, when the user looks at the outer surface OS of the mask 1, the user can easily grasp that the ear hanging member 20 is directly fused and the surface is the outer surface OS. it can. That is, the outer surface OS and the inner surface IS can be easily distinguished.
Here, the user previously determines which of the one surface and the other surface of the mask 1 (the mask main body 10) is the inner surface IS and which is the outer surface OS by referring to a diagram or a photograph of the package of the mask 1. I know. Alternatively, the user can use the mask 1 once, even if the user does not know which one of the one surface and the other surface of the mask 1 is the inner surface IS and which is the outer surface OS, Knows which is the inner surface IS and which is the outer surface OS. Thereby, the user can easily distinguish one surface and the other surface of the mask 1 and easily distinguish the outer surface OS and the inner surface IS.
Further, since it is not necessary to provide a pattern on one surface and the other surface of the mask 1 for distinguishing the outer surface OS and the inner surface IS, it is possible to suppress an influence on the mask performance of the mask 1 and an increase in cost.
Then, it is possible to prevent the mask 1 from being worn for a long time, to allow the mask 1 to be properly mounted, and to allow the mask 1 to properly perform its original function.

  In the present embodiment, the mask body 10 is located on the left side in the width direction W when viewed from the inner surface IS side, and the left half surface sheet 10a that covers the left half of the face of the wearer, and is located on the right side in the width direction W, A right half face sheet 10a that covers the right half of the face of the wearer. Then, the left half sheet 10a and the right half sheet 10a are integrated by joining the facing ends along the edge. The joint between the ends forms a joint 10b. The joining portion 10b is formed by, for example, a method of fusing the ends with heat or ultrasonic waves, or a method of joining with an adhesive. At this time, in the left half sheet 10a and the right half sheet 10a, the edges of the ends facing each other have a substantially curved shape protruding toward the outside of each sheet. Therefore, the two integrated sheets can form a three-dimensional shape (three-dimensional structure) that is concave with respect to the face of the wearer when worn by the wearer. In another embodiment, the mask main body does not have the left half sheet and the right half sheet as described above, and has an integral substantially planar shape (for example, Patent Document 2). In yet another embodiment, it has an integral substantially planar shape and has a plurality of folds arranged vertically (for example, Patent Document 1).

  In the present embodiment, the mask body 10 includes an inner sheet 12 facing the face side when worn, that is, the inner surface IS side, an outer sheet 11 facing the outer side when worn, that is, the outer surface OS, and a space between the inner sheet 12 and the outer sheet 11. And a filter sheet 13 positioned at The inner sheet 12, the filter sheet 13, and the outer sheet 11 are fused to each other at a plurality of fusion parts 16 (body fusion parts) arranged so as to border the outer edge of the mask body 10. The shape of the fused portion 16 is not particularly limited, and examples thereof include a dot shape, a circular shape, an elliptical shape, a polygonal shape, a pattern shape, and a combination thereof. The fusion portion 16 is formed by fusing the inner sheet 12, the filter sheet 13, and the outer sheet 11 with heat or ultrasonic waves. At this time, at least a part of each sheet is cooled and then solidified, so that the fused portion 16 is formed in a substantially transparent film shape. Therefore, the shape of the fused portion 16 can be visually recognized from both sides of the inner surface IS and the outer surface OS.

  In another embodiment, the mask main body 10 includes two or more filter sheets 13. In yet another embodiment, the mask body 10 is formed of one or two sheets as a whole. When the mask body 10 is formed of two sheets, for example, one sheet has a function of an inner sheet and a filter sheet, the other sheet has a function of a filter sheet and an outer sheet, and one sheet is an inner sheet and the other is a sheet. One sheet has the function of the inner sheet and the filter sheet, and the other sheet has the function of the outer sheet. When the mask main body 10 is formed of one sheet, for example, the sheet has a function of at least one of an inner sheet and an outer sheet and a filter sheet, or the sheet has a function of a filter sheet.

  In the present embodiment, the plurality of fusion parts 16 (main body fusion parts) have a character string shape in which a plurality of characters readable when viewed from the outer surface OS (second surface) are arranged. Character string fusion portion). Similar to the shape of the fused portion 16, the shape of the fused portion 17 can be visually recognized from both sides on the inner surface IS side and the outer surface OS side. Here, the fusion portion 17 is located at the center of the character string in the direction of the character string, and is asymmetric with respect to a virtual center line extending in a direction orthogonal to the direction of the character string. In the example of the outer surface OS shown in FIG. 2, the character string of the fusion portion 17 is “Mask”, the center line is located between “a” and “s”, and is orthogonal to the direction in which the characters are arranged. The character string “Mask” is not line-symmetric with respect to its center line, that is, asymmetric. Therefore, in the example of the inner surface IS shown in FIG. 3, the character string of the fused portion 17 is obtained by reversing “Mask”. Therefore, by looking at such a character string, the user can easily distinguish between the outer surface OS and the inner surface IS.

  In the present embodiment, the inner sheet 12, the filter sheet 13, the outer sheet 11, and the ear hook member 20 are fused to each other at the fusion portion 30. The shape of the fused portion 30 is not particularly limited, and may be a plurality or a single dot, a circle, an ellipse, a polygon, a lattice, a dot lattice, a pattern, a combination thereof, and the like. The fusion part 30 is formed by fusing the inner sheet 12, the filter sheet 13, the outer sheet 11, and the ear hanging member 20 with heat or ultrasonic waves. At this time, at least a part of the inner sheet 12, the filter sheet 13, and the outer sheet 11 is cooled and then solidified, so that the parts of the inner sheet 12, the filter sheet 13, and the outer sheet 11 are substantially transparent films. A film portion 15 is formed. When it cools down, some or all of the end portions 22 of the ear hanging member 20 can melt and fuse with the outer sheet 11 (including the film portion 15). Thereby, the color or mixed color of the ear hanging member 20 can be visually recognized from the inner surface IS side through the film portion 15.

  The pair of ear hanging members 20 include a left ear hanging member 20 and a right ear hanging member 20 in the width direction W when viewed from the inner surface IS side. The left and right ends 22 and 22 of the left ear hanging member 20 are respectively attached to the upper and lower ends in the up-down direction L of the left ends of the left half-surface sheet 10a. It is joined by a fusion portion 30 so as to extend outward from the end. Similarly, the right ear hook member 20 has one and the other ends 22, 22 at the upper and lower ends in the vertical direction L of the right end of the right half sheet 10 a, respectively. Are joined by a fusion bonding portion 30 so as to extend outward from the end of the first portion. In another embodiment, the pair of ear hanging members 20 are fused to the inner surfaces IS (first surfaces) on both sides in the width direction W of the mask main body 10 at the fusion parts 30, 30.

  In the present embodiment, the mask main body 10 includes a first extension portion 10P1 in which one end in the vertical direction L extends outward in the width direction W at each of both ends in the width direction W of the mask main body 10. A second extending portion 10P2 whose other end in the up-down direction L extends outward in the width direction W. A constricted portion 10 </ b> Q constricted in the inner direction in the width direction W is located between the first extended portion 10 </ b> P <b> 1 and the second extended portion 10 </ b> P <b> 2. Then, the ear hanging member 20 has one end fused to the fusion part 30 (first extension fusion part) located at the first extension part 10P1, and the other end part to the second extension part 10P2. Are fused at the fusion portion 30 (second extension fusion portion) located at the position indicated by the arrow. In addition, the 1st extension part 10P1 and the 2nd extension part 10P2 can be collectively called an extension part. In addition, the first extension fusion splicing part and the second extension fusion splicing part can be collectively referred to as an extension fusion splicing part. In another embodiment, at least one of the first extension 10P1 and the second extension 10P2 is not provided, and the constriction 10Q is not provided. That is, at each of both ends in the width direction W of the mask body 10, at least one of the one end and the other end in the vertical direction L does not extend outside the width direction W, and is fused to the end that does not extend. The part 30 is located.

In the present embodiment, the inner sheet 12 and the outer sheet 11 hold the filter sheet 13 from both sides in the thickness direction, and maintain the shape of the mask body 10. The inner sheet 12 and the outer sheet 11 preferably have higher ventilation performance and higher rigidity than the filter sheet 13 from the viewpoint of their functions. It is preferable that the inner sheet 12 has a better touch. The basis weight of the inner sheet 12 and the outer sheet 11 is, for example, 10 to 100 g / m ² .

In the present embodiment, when a gas such as air flows through the filter sheet 13, the filter sheet 13 is a virus, a bacterium, a dust, pollen, or a fine particulate matter (PM2) that tries to pass through the filter sheet together with the gas. .5) (hereinafter, also simply referred to as “micromaterial”). The basis weight of the filter sheet 13 is, for example, 10 to 200 g / m ² .

  The material of the inner sheet 12, the outer sheet 11, and the filter sheet 13 includes, for example, a nonwoven fabric. Nonwoven fabrics include, for example, spunlaced nonwoven fabrics, air-through nonwoven fabrics, spunbonded nonwoven fabrics, airlaid nonwoven fabrics, meltblown nonwoven fabrics, flash spun nonwoven fabrics, thermal bonded nonwoven fabrics, carded nonwoven fabrics, or nonwoven fabrics combining some of these. The fiber constituting the nonwoven fabric is not particularly limited as long as the fiber can be melted by heat or ultrasonic waves to form a film. Examples of such fibers include synthetic resin fibers (eg, polyethylene, polypropylene, polybutylene, ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-acrylic acid copolymer, ionomer resin, and the like). Polyolefins; polyesters such as polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate and polylactic acid; polyamides such as nylon). In addition, natural fiber (example: wool, cotton) and regenerated fiber (example: rayon, acetate) may be partially contained. The fiber constituting the nonwoven fabric may be composed of a single component, or may be composed of a composite fiber such as a core / sheath fiber, a side-by-side fiber, an island / sea fiber, or the like. A single-layer nonwoven fabric may be used, or a laminate in which a single-layer nonwoven fabric is laminated (for example, an SMS nonwoven fabric) may be used.

  As a material of the filter sheet 13, it is preferable that the performance of collecting minute substances is higher than that of the inner sheet 12 and the outer sheet 11. In the present embodiment, for example, an electretized nonwoven fabric can be used as the material of the filter sheet 13. The electret nonwoven fabric can capture and collect minute substances in a gas by electrostatic force. Such a nonwoven fabric is obtained by performing electret treatment on the nonwoven fabric. As the material of the nonwoven fabric to be electretized, a nonpolar polymer is preferable, and examples thereof include polypropylene, polyethylene, polystyrene, and a combination thereof.

Further, the fiber density of the filter sheet 13 is preferably higher than the fiber density of the inner sheet 12 and the outer sheet 11 from the viewpoint of capturing minute substances. The fiber density of the filter sheet 13, for example, include 0.03~0.20g / cm ^3, preferably 0.05~0.10g / cm ^3. If the fiber density of the filter sheet is too high, the electret treatment may not reach the inside of the filter sheet due to the reason that the formation of an electric field in the filter sheet by the electret treatment is hindered by the fibers. Further, if the fiber density of the filter sheet is too high, the flow of gas is obstructed, so that the gas does not easily pass through the filter sheet 13 and the ventilation performance may be reduced. On the other hand, if the fiber density is too low, there is a possibility that the amount of fibers that capture the minute substance is too small and the collecting performance is reduced.

  The material of the ear hanging member 20 is not particularly limited as long as it can be put on the ears of the wearer. For example, an elastic member such as a round rubber having a circular cross section or a flat rubber having a rectangular cross section can be used. Examples of the elastic member include woven rubber or knitted rubber formed by weaving or knitting a synthetic resin fiber (a fiber having elasticity is also acceptable). In this embodiment, woven rubber is used. Woven rubber does not change width when stretched. Therefore, it is preferable to use woven rubber because it is possible to prevent the color of the ear hanging member 20 from being difficult to see even when the ear hanging member 20 is stretched. In addition, since the ear hanging member 20 does not become thin when hung on the ear, the area of the woven rubber in contact with the user's ear can be sufficiently secured, and the wearing comfort of the mask 1 can be improved. Therefore, the mask 1 can properly perform its original function, and can be worn for a long time.

  In the present embodiment, the ear hanging member 20 is formed of woven rubber. In this case, the color of at least one of the warp (example: stretchable urethane fiber) and the weft (example: polyester fiber) in the woven rubber is the color of the inner surface IS (first surface) of the mask body 10. Different from color. In another embodiment, the color of the warp and the weft in the woven rubber, which has the larger number of yarns per unit volume, is different from the color of the inner surface IS of the mask body. In that case, the color of the other thread is, for example, a similar color or white. Thus, the color of the ear hanging member 20 can be made different from the color of the inner surface IS as a whole.

  As a preferable mode in the present embodiment, in the present mask 1, the color of the ear hanging member 20 is similar to the color of the outer surface OS (second surface) to which the ear hanging member 20 is fused. Therefore, when the user looks at the inner surface IS (first surface) of the mask 1, the color of the inner surface IS is different from the color grasped through the fused portion 30, that is, the color of the inner surface IS and the ear. Since the color or the mixed color of the hanging member 20 is not similar to each other, it can be immediately recognized that the surface is not the outer surface OS to which the ear hanging member 20 is directly fused. Conversely, when the user looks at the outer surface OS of the mask 1, the color of the outer surface OS and the color of the fusion portion 30 (the color of the ear hanging member 20 itself from the outer surface OS side) are similar to each other. Since it is a color, it can be easily grasped that the surface is the outer surface OS. That is, the inner surface IS and the outer surface OS can be immediately distinguished. Note that the similar colors include the same color.

  As a preferable mode in the present embodiment, in the present mask 1, when worn, the ear hanging member 20 is placed on the outer surface OS side so as to press the mask body 10 from the second surface, that is, the outer surface OS side toward the skin (face). Are combined. Therefore, when the user looks at the first surface of the mask 1, that is, the inner surface IS, the color of the inner surface IS is different from the color grasped by seeing through the fused portion 30, and the surface is the inner surface IS. Can be grasped immediately. Conversely, when the user looks at the second surface of the mask 1, that is, the outer surface OS, since the ear hanging member 20 is directly fused, the user can immediately recognize that the surface is the outer surface OS. That is, the inner surface IS and the outer surface OS can be easily distinguished.

  As a preferred mode in the present embodiment, in the present mask 1, the color of the ear hanging member 20 and the color of the inner surface IS (first surface) of the mask main body 10 are 5 or more in the Munsell color system (100 hues), Lightness is 1 or more, or chroma is 1 or more apart. Therefore, the user can more easily visually recognize the color or the mixed color of the ear hanging member 20 from the inner surface IS side via the fused portion 30. That is, the outer surface OS (second surface) to which the ear hook member 20 is fused can be more easily distinguished from the inner surface IS through which the color or mixed color of the ear hook member 20 can be visually recognized through the fusion portion 30. Thereby, the inner surface IS and the outer surface OS can be easily distinguished.

  As a preferable mode in the present embodiment, in the present mask 1, since the ear hanging member 20 is made of woven rubber, even if a tension is applied in its length direction, its width hardly changes, and the color of the ear hanging member 20 is difficult to see. Can be suppressed. Thus, the user can visually recognize the color of the outer surface OS (the second surface), which is the side to which the woven rubber as the ear hanging member 20 is fused, and the color of the woven rubber through the fusion portion 30 (the inner surface IS ( 1) can be easily distinguished. Thereby, the inner surface IS and the outer surface OS can be more easily distinguished by color. In addition, the width of the woven rubber hardly changes irrespective of the tension, so that the area of the woven rubber in contact with the user's ear can be sufficiently ensured. Thereby, the wearing comfort of the mask 1 can be improved. Therefore, the mask 1 can properly exhibit its original function, and can be worn for a long time.

  As a preferred mode in the present embodiment, in the mask 1, in the woven rubber as the ear hanging member 20, the color of the warp and the weft having the larger number of yarns per unit volume is the inner surface IS (the 1). Therefore, the user can more easily distinguish between the outer surface OS (second surface) on the side where the woven rubber is fused and the inner surface IS where the color of the woven rubber can be visually recognized through the fusion portion 30. Thereby, the inner surface IS and the outer surface OS can be more easily distinguished.

  As a preferred mode in the present embodiment, in the present mask 1, the mask body 10 has an extending portion in which at least one of both ends in the vertical direction L extends in the outer direction in the width direction W at the end in the width direction W. 10P, the ear hook member 20 has at least one end fused to the fusion portion 30 (extended fusion portion). As described above, the user can easily grasp the fusion portion 30 by locating the fusion portion 30 at the extension portion 10P extending in the outer direction of the width direction W. The color of the ear hanging member 20 can be easily visually recognized from the inner surface IS (first surface) side through the inside. Therefore, the user can more easily distinguish between the inner surface IS and the outer surface OS.

  As a preferred mode in the present embodiment, in the mask 1, in the mask body 10, the first and second extensions in which both ends in the vertical direction L extend outward in the width direction W at the ends in the width direction W. One end portion and the other end portion are fused to the fusion portions 30, 30 (first and second extension fusion portions), including the protrusion portions 10P1 and 10P2. As described above, the fusion parts 30, 30 are located at the first and second extension parts 10P1, 10P2 extending in the outer direction in the width direction W, so that the fusion parts 30, 30 can be more easily formed. As a result, the color or mixed color of the ear hanging member 20 can be easily visually recognized from the inner surface IS (first surface) side through the fusion parts 30 and 30. Therefore, the user can more easily distinguish the inner surface IS and the outer surface OS by color.

  As a preferable mode in the present embodiment, in the present mask 1, the fused portion 30 is formed by melting the mask main body 10 and the ear hanging member 20 by ultrasonic waves. Therefore, the nonwoven fabric of the mask main body 10 can be easily formed into a film, whereby the color of the ear hanging member 20 located on the outer surface OS (second surface) can be changed via the fused portion 30 to the inner surface IS (first surface). Surface) side. Thereby, the inner surface IS and the outer surface OS can be more easily distinguished.

  As a preferable mode in the present embodiment, the present mask 1 includes a character string (eg, Mask) that is legible when viewed from the outer surface OS (second surface) and is asymmetric with respect to the center line in the direction in which the character strings are arranged. A fusion section 17 (character string fusion section) is provided. Thus, the outer surface OS (second surface) and the inner surface IS (first surface) can be easily distinguished from the state of the character string of the fused portion 17. Further, since the fusion portion 17 is a fusion portion for fusing a plurality of nonwoven fabrics, the fusion portion 17 can be formed while suppressing the influence on the mask performance and an increase in cost. Thereby, the inner surface IS and the outer surface can be more easily distinguished by color.

  Next, another embodiment will be described. FIGS. 5 and 6 are views showing a configuration example of a disposable mask 1a (hereinafter, also simply referred to as “mask 1a”) according to the embodiment. However, FIG. 5 is a front view of the mask 1a, and FIG. 6 is a rear view of the mask 1a. Hereinafter, differences between the mask 1a shown in FIGS. 5 and 6 and the mask 1 shown in FIGS. 1 to 4 will be mainly described.

  In the mask 1a of the present embodiment, the mask body 10 has a substantially rectangular shape that is short in the vertical direction L and long in the width direction W when viewed from the front. However, the shape of the mask body 10 is not limited to this example as long as it can cover the nose and mouth. For example, a substantially elliptical shape, a substantially inverted triangular shape, a substantially polygonal shape, a combination thereof, and the like can be used. No. The mask body 10 includes a plurality of folds 40 extending along the width direction W, arranged in the vertical direction L, and folded in the thickness direction T (pleated structure). Each of the plurality of folds 40 can be deformed into a bellows shape in the vertical direction L to form a predetermined mouth space between the inner surface IS of the mask body 10 and the wearer. In the present embodiment, the mask body 10 includes a nose fitting member 42 at a portion corresponding to the nose when worn.

  The pair of ear hanging members 20 are fused to the outer surfaces OS (second surfaces) of the mask body 10 on both sides in the width direction W and at both ends in the vertical direction L by fusion parts 30, 30. Note that, in another embodiment, the pair of ear hanging members 20 are fused portions 30, 30 on both sides in the width direction W of the mask body 10 and on inner surfaces IS (second surfaces) at both ends in the vertical direction L. It is fused.

  Other configurations of the mask 1a are as described for the mask 1 of FIGS. The present embodiment (the mask 1a in FIGS. 5 to 6) can also provide the same operation and effect as the above-described embodiment (the mask 1 in FIGS. 1 to 3).

In the present specification, the values of the basis weight, thickness, and fiber density of the sheet are measured by the following methods.
Sheet weight: 10 samples of 5 cm × 5 cm are cut out from an arbitrary position of the sheet to be measured. Next, the mass of the sample is measured. Next, the measured mass was divided by the area of the sample to calculate the grammage of the sample. The value obtained by averaging the basis weights of the ten samples was defined as the basis weight of the sheet.
- thickness of the sheet: using a thickness with a measuring element of 15cm ² meter Model FS-60DS (Daiei Kagaku Seiki Mfg. Co., Ltd.), measuring the thickness of the sheet under the conditions of measuring load of 3 g / cm ² did. The thickness of any three places of the sheet to be measured was measured, and the average value of the three places was defined as the thickness of the sheet.
Sheet fiber density: The sheet fiber density was calculated by dividing the weight of the sheet obtained by the above method by the thickness of the sheet obtained by the above method.

  The disposable mask of the present invention is not limited to each of the above-described embodiments, and may be a combination of the technology of each embodiment or a known technology in the technical field without departing from the purpose and the spirit of the present invention. Substitution is possible.

DESCRIPTION OF SYMBOLS 1 (disposable) mask 10 Mask main body 20 Ear hanging member 30 Fusion part

Claims (10)

A mask body including a vertical direction, a width direction, and a thickness direction, having a first surface and a second surface that are one and the other surfaces in the thickness direction, and including a nonwoven fabric; and the width of the mask body. A pair of ear hanging members fused to the second surface on both sides in the direction by a fusion part, and a disposable mask comprising:
The color of the ear hanging member is different from the color of the first surface of the mask body,
Through the fusion portion, a color different from the color of the first surface is visible from the first surface side.
Disposable mask. The color of the ear hanging member is similar to the color of the second surface of the mask body,
The disposable mask according to claim 1. The first surface is an inner surface of the mask body, and the second surface is an outer surface of the mask body.
The disposable mask according to claim 1. The color of the ear hanging member and the color of the first surface of the mask body are separated by a Hue of 5 or more, a lightness of 1 or more, or a saturation of 1 or more in the Munsell color system,
The disposable mask according to any one of claims 1 to 3. The ear hanging member includes woven rubber,
The color of at least one of the warp and the weft in the woven rubber is different from the color of the first surface of the mask body.
The disposable mask according to any one of claims 1 to 4. Of the warp and weft in the woven rubber, the color with the larger number of yarns per unit volume is different from the color of the first surface of the mask body.
A disposable mask according to claim 5. The mask body includes, at each of both ends in the width direction, at least one of both ends in the vertical direction including an extension portion extending in a direction outside the width direction,
The fusion portion includes an extension fusion portion located at the extension portion,
The ear hook member has at least one end fused with the extended fusion part.
The disposable mask according to any one of claims 1 to 6. The extending portion includes a first extending portion in which one end in the vertical direction extends outward in the width direction at each of both ends in the width direction of the mask body, An end portion extending in a direction outside the width direction, and a second extension portion,
A constricted portion constricted in the widthwise inner direction is located between the first extending portion and the second extending portion,
The extended fusion section includes a first extension fusion section located at the first extension section, and a second extension fusion section located at the second extension section,
The ear hook member has one end fused to the first extension fusion part and the other end fused to the mask main body at the second extension fusion part.
A disposable mask according to claim 7. The fused portion is formed by melting the mask body and the ear hanging member by ultrasonic waves,
The disposable mask according to any one of claims 1 to 8. The mask body is a laminate in which a plurality of nonwoven fabrics are laminated,
The laminate has a plurality of main body fusion parts that fuse the plurality of nonwoven fabrics,
The plurality of main body fusion parts include a character string fusion part having a character string shape in which a plurality of characters readable when viewed from the second surface are arranged,
The character string fusion spliced portion is located at the center of the character string in the direction of the character string, and is asymmetric with respect to a center line extending in a direction orthogonal to the direction of the character string.
The disposable mask according to any one of claims 1 to 9.

Images