JP2022086935A - Three-dimensional mask - Google Patents

Abstract

To provide a three-dimensional mask that prevents the mask body from being sucked to the nose or mouth of the wearer due to his/her breathing.SOLUTION: The three-dimensional mask includes: a mask body 3 formed of a pair of right and left sheets 2; and a pair of right and left ear hooks 4. Right and left ends of the sheet 2 each have an arcuate protruding part 5 on one end, where the sheet 2 projects arcuately, and each have an ear hook 4 on the other end. The mask body 3 is formed in a swelled cup shape, where an arcuate connection part 5 where the ends of the sheet 2 are connected to each other, and a flexible strip-like member 6 is provided along the arcuate connection part 5.SELECTED DRAWING: Figure 1

Description

Application for application of Article 30, Paragraph 2 of the Patent Act (1) Published on the website on June 2, 2nd year of the Ordinance (https://store.shopping.yahoo.co.jp/la-ampleur/mask-001. (2) Published on the website on June 2, 2nd year (https://store.shopping.yahoo.co.jp/la-ampleur/kidsmask006.html) (3) September 2nd year Published on the website on the 23rd (https://www.amazon.co.jp/dp/B08M44N5KC?ref=my_title_dp) (4) Published on the website on September 23, 2nd year (https://www) .Amazon.co.jp/dp/B08M7BP8XJ?ref=my_title_dp)

There is an application for exception of loss of novelty

The present invention includes a mask body composed of a pair of left and right sheets and a pair of left and right ear hooks. The present invention relates to a three-dimensional mask in which an ear hook portion is formed at an end portion, and the mask main body is formed in a cup shape in which an arc-shaped connecting portion to which the one end portions of the sheet are connected bulges.

Such a three-dimensional mask can cover the user's nose and mouth with a cup-shaped space formed under the nose and mouth of the user and between the mask body, and can cover the user's nose and mouth from the nose and mouth. It is possible to suppress the contact between the lips and the mask body during conversation, etc., while preventing the invasion of dust and pollen.

As such a mask, for example, there is a three-dimensional mask characterized in that a strip-shaped nose-fit piece is attached to a predetermined position on the upper end portion of the inner cloth of the mask body (see, for example, Patent Document 1). In this technique, by providing a nose fit piece, a gap does not occur between the user's nose and the mask body, and pollen and the like are prevented from entering through the gap.

Japanese Unexamined Patent Publication No. 2006-43227

However, in the three-dimensional mask described in Patent Document 1, for example, when the non-woven fabric constituting the sheet becomes soft due to repeated washing, the air flow accompanying the breathing of the user causes the nose, mouth and mask body. There is a problem that the formation of the cup-shaped space portion between the mask and the mask cannot be maintained, the mask body sticks to the nose and mouth, and it becomes difficult for the user to breathe.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a three-dimensional mask capable of preventing the mask body from being attached to the nose and mouth by the user's breathing. ..

The three-dimensional mask according to the present invention for achieving this object is
It is equipped with a mask body consisting of a pair of left and right sheets and a pair of left and right ear hooks.
At the left and right ends of the sheet, an arc-shaped overhanging portion is formed at one end thereof, and an ear hook portion is formed at the other end portion.
The mask body is a three-dimensional mask formed in a cup shape in which an arc-shaped connecting portion to which one end portions of the sheet are connected bulges, and the characteristic configuration thereof is as follows.
A flexible strip-shaped member is provided along the arc-shaped connection portion.

According to the above-mentioned feature configuration, a strip-shaped member is provided along the arc-shaped connecting portion extending in the vertical direction at the central portion in the left-right direction of the mask main body. Therefore, even if a flow of inhaling air occurs with the user's breathing, the strip-shaped member of the mask body comes into contact with the user's nose and chin, and the space between the mask body and the user's nose and mouth. The formation of a cup-shaped space portion can be maintained. This makes it possible to prevent the mask body from sticking to the nose and mouth due to the user's breathing.

Further characteristic configurations of the three-dimensional mask according to the present invention are
At the arc-shaped connection portion, a sewing thread for suturing the one end portions of the sheet is provided, and the strip-shaped member is sewn to the arc-shaped connecting portion by the sewing thread.

According to the above characteristic configuration, since the strip-shaped member is sewn along the arc-shaped connection portion by the sewing thread that sews one end portions of the sheet to each other, the arc-shaped connection portion extending in the vertical direction at the center portion in the left-right direction of the mask body. Since the strip-shaped member is firmly connected to the mask body along the line, the mask body can be stably supported by the strip-shaped member. Therefore, a cup-shaped space portion between the mask body and the user's nose and mouth can be stably formed.

Further characteristic configurations of the three-dimensional mask according to the present invention are
The sheet is formed by superimposing at least a front surface sheet and a back surface sheet, and the strip-shaped member is a front surface arc-shaped connection portion which is the arc-shaped connection portion of the front surface sheet and the arc-shaped connection portion of the back surface sheet. It is at a point provided on at least one of the back arc-shaped connecting portions.

According to the above-mentioned feature configuration, since the sheet is configured by superimposing the front surface sheet and the back surface sheet, the strip-shaped member is connected to either the front surface arc-shaped connection portion or the back surface arc-shaped connection portion. Therefore, the mask body can be stably supported, and a cup-shaped space portion between the mask body and the user's nose and mouth can be stably formed.

Further characteristic configurations of the three-dimensional mask according to the present invention are
The strip-shaped member is provided at the arc-shaped connecting portion between the front surface sheet and the back surface sheet.

According to the above characteristic configuration, a strip-shaped member is provided between the front surface sheet and the back surface sheet. Therefore, since the strip-shaped member is provided inside the mask main body, it is possible to prevent the strip-shaped member from coming into contact with the user.

Further characteristic configurations of the three-dimensional mask according to the present invention are
In the arc-shaped connection portion, a back sheet sewing thread for suturing the one ends of the back surface sheet is provided, and the strip-shaped member is sewn to the back surface sheet sewing thread along the back surface arc-shaped connection portion. It is in.

According to the above characteristic configuration, since the strip-shaped member is sewn to the sewing thread for the back surface sheet along the back surface arc-shaped connection portion, the strip-shaped member is sewn along the back surface arc-shaped connection portion extending in the vertical direction at the center portion in the left-right direction of the back surface sheet. The back sheet side can be supported by the strip-shaped member in a state where the strip-shaped member is firmly connected to the mask body. Therefore, a cup-shaped space portion between the mask body and the user's nose and mouth can be stably formed.

Further characteristic configurations of the three-dimensional mask according to the present invention are
The strip-shaped member has a shape-retaining function.

According to the above feature configuration, since the strip-shaped member has a shape-retaining function, the strip-shaped member is placed on the user's nose and chin with the strip-shaped member of the mask body flexed by wearing the mask. When the mask body is brought into contact with each other to form a cup-shaped space portion between the mask body and the user's nose and mouth, the shape of the strip-shaped member is maintained in that state. Therefore, it is possible to comfortably wear the mask even if the mask wearing time is long, without giving the user discomfort due to the reaction force generated when the flexible strip-shaped member is bent. can.

Further characteristic configurations of the three-dimensional mask according to the present invention are
In the strip-shaped member, one end side of the strip-shaped member is located at the upper end portion of the mask body, and the other end side of the strip-shaped member is located between the intermediate portion and the lower end portion of the mask body. It is at a point provided along the arc-shaped connection.

According to the above-mentioned characteristic configuration, the other end side of the strip-shaped member is provided along the arc-shaped connecting portion in a state of being located between the intermediate portion and the lower end portion of the mask main body. That is, the strip-shaped member is provided along the arc-shaped connecting portion so that the other end side is separated from the lower end portion of the mask main body. As a result, the strip-shaped member is not formed on the lower end side of the arc-shaped connection portion of the mask body, and the lower end portion side of the mask body can be in a state of not being supported by the strip-shaped member. The mask can be worn while covering the user's chin from the tip of the chin to the shape below the chin.

Further characteristic configurations of the three-dimensional mask according to the present invention are
One end or the other end of the strip-shaped member is coated with resin.

According to the above feature configuration, for example, when the user puts on the mask or washes the mask, the sheet of the mask body and the tip of the upper end side or the lower end side of the strip-shaped member rub against the sheet of the mask body. However, since the upper end side or the lower end side of the strip-shaped member is coated with the resin, it is possible to prevent the strip-shaped member from damaging the sheet of the mask body. Therefore, it is possible to prevent the sheet of the mask body from being torn by the strip-shaped member.

Further characteristic configurations of the three-dimensional mask according to the present invention are
An additional sheet is provided on at least one of the pair of left and right sheets so as to overlap the sheet, and the upper and lower ends of the additional sheet are connected to the upper and lower ends of the additional sheet, respectively, to the left and right of the additional sheet. An additional sheet arc-shaped overhanging portion is formed at one end of the end portion, and one end portion of the additional sheet is connected along the arc-shaped connecting portion.
The point is that the additional sheet and the sheet provide the mask body with a bag-shaped portion having an opening formed by the other end of the additional sheet and the other end of the sheet.

According to the above-mentioned feature configuration, since the mask body has a bag-shaped portion having an opening formed by the other end of the additional sheet and the other end of the sheet, the inside and outside of the bag-shaped portion can be reversed to create inside and outside. By incorporating the sheet into the inverted bag-shaped portion, the back side portion of the sheet of the mask body that touches the user's face can be incorporated into the inverted bag-shaped portion. Therefore, when the three-dimensional mask is removed, the three-dimensional mask can be stored in the bag-shaped portion formed on the mask body without soiling the sheet portion of the mask body that touches the user's face.

Further characteristic configurations of the three-dimensional mask according to the present invention are
At the arc-shaped connection portion, one end of the additional sheet is sewn to the arc-shaped connection portion by the sewing thread.

According to the above-mentioned feature configuration, by inverting the inside and outside of the bag-shaped portion, the strip-shaped member provided along the arc-shaped connecting portion is inverted in the mask housing state in which the sheet is taken into the bag-shaped portion that has been inverted inside and outside. It will be located at the bottom opposite to the opening of the bag-shaped portion. As a result, the shape of the strip-shaped member can be maintained at the bottom of the bag-shaped portion, so that the shape of the arc-shaped overhanging portion of the sheet and the shape of the strip-shaped member can be retained without being disturbed in the mask accommodating state. ..

Schematic perspective view of the three-dimensional mask according to the first embodiment Left side view of the three-dimensional mask according to the first embodiment Inside front view of the three-dimensional mask according to the first embodiment Cross-sectional view of the three-dimensional mask according to the first embodiment Schematic diagram showing the wearing state of the three-dimensional mask according to the first embodiment Inside front view of the three-dimensional mask according to the second embodiment Cross-sectional view of the three-dimensional mask according to the second embodiment Schematic perspective view of the three-dimensional mask according to the second embodiment Cross-sectional view of the three-dimensional mask according to another embodiment

[First Embodiment]
Hereinafter, the three-dimensional mask according to the first embodiment of the present invention will be described with reference to the drawings.
The three-dimensional mask 1 according to the present embodiment will be described with reference to FIGS. 1 to 3. FIG. 1 is a schematic perspective view of the three-dimensional mask, FIG. 2 is a left side view of the three-dimensional mask, and FIG. 3 is an inside front view of the three-dimensional mask. The three-dimensional mask 1 according to the present embodiment includes a mask main body 3 composed of a pair of left and right sheets 2, and a pair of left and right ear hooks 4. The mask body 3 is formed so as to cover the user's mouth and nose, and the ear hooks 4 are formed on the left and right side edges of the mask body 3. The ear hook portion 4 is composed of a side edge hole 4a formed by folding back the side edge of the other end of the sheet 2 and an ear hook string 4b formed so as to penetrate the side edge hole 4a and form an annular shape. Has been done.

At the left and right ends of the sheet 2, an arc-shaped overhanging portion 2a overhanging the sheet 2 in an arc shape is formed at one end, and an ear hook portion 4 is formed at the other end. Further, the upper end portion of the sheet 2 is formed in an arc shape downward, and the lower end portion is formed in an arc shape upward (see FIG. 2). The mask body 3 is formed in a cup shape in which an arc-shaped connecting portion 5 to which one end portions of the sheet 2 are connected bulges. That is, one end of the arc-shaped overhanging portion 2a is joined to each other to form a cup-shaped mask body 3 in which one end protrudes from the other end. Further, as will be described in detail later, a flexible strip-shaped member 6 is provided along the arc-shaped connecting portion 5 in the arc-shaped connecting portion 5 in which one end portions are connected to each other.

FIG. 4 shows a cross-sectional view of the three-dimensional mask 1. As shown in FIG. 4, the pair of left and right sheets 2 of the mask main body 3 are configured to have a double structure by superimposing the front surface sheet 21 and the back surface sheet 22, and the front surface sheet 21 and each sheet 2 have a double structure. The back surface sheet 22 is joined by sewing at the upper end portion and the lower end portion thereof. The front surface sheet 21 and the back surface sheet 22 are made of elastic material. For example, the front surface sheet 21 and the back surface sheet 22 are made of a woven fabric using cotton fibers or the like. Further, the cotton fiber or the woven fabric may be used for antibacterial processing or antiviral processing. (← Please check)

The arc-shaped connecting portion 5 of each sheet 2 is provided with a sewing thread 8 for suturing one end portions on which the arc-shaped overhanging portion 2a is formed. As shown in FIG. 4, in the surface arc-shaped connecting portion 5a which is the arc-shaped connecting portion 5 of the surface sheets 21 formed at one end of the pair of left and right surface sheets 21, the surface sheet for suturing the one ends of the surface sheets 21 to each other. A sewing thread 8a is provided, and as shown in FIG. 4, in the back surface arc-shaped connecting portion 5b, which is the arc-shaped connecting portion 5 of the back surface sheet 22 formed at one end of the pair of left and right back surface sheets 22, the back surface sheet 22 is provided. A sewing thread 8b for a back sheet is provided to sew one end of the back sheet to each other. The arc-shaped connecting portion 5 means a portion where one end portions of the sheet 2 are in contact with each other in order to connect one end portions formed of the arc-shaped overhanging portion 2a of the sheet 2.

In the present embodiment, as shown in FIG. 4, the strip-shaped member 6 is provided on the back surface arc-shaped connecting portion 5b, which is the arc-shaped connecting portion 5 of the back surface sheet 22, and the sewing thread for the back surface sheet is provided along the back surface arc-shaped connecting portion 5b. A strip-shaped member 6 is sewn on 8b.

Specifically, the back surface arc-shaped connecting portion 5b forms an overlapping portion of the back surface sheet 22 by aligning the side edges of the back surface sheet 22 at one end of the pair of left and right back surface sheets 22, and the overlapping portion is a strip-shaped member. 6 is overlapped and the overlapping portion of the back sheet 22 and the strip-shaped member 6 are integrally sewn with the sewing thread 8b for the back sheet.

Then, the front surface sheet 21 to which the pair of left and right front surface sheets 21 are sewn is fixed to the back surface arc-shaped connection portion 5b by the sewing thread 10 for the connection portion. The sewing thread 10 for the connecting portion is provided along the strip-shaped member 6, and the overlapping portion of the front surface sheet 21, the strip-shaped member 6, and the back surface sheet 22 is integrally sewn and fixed in a state of extending in the vertical direction of the mask body 3. It is something to do.

In this way, when the front surface sheet 21 is fixed by the sewing thread 10 for the connecting portion, the connecting surface side of the strip-shaped member 6 in which the overlapping portion of the strip-shaped member 6 and the back surface sheet 22 come into contact is directed toward the front surface sheet 21. 21, the strip-shaped member 6, and the overlapping portion of the back sheet 22 are integrally sewn and fixed. In this case, as shown in FIG. 4, the overlapping portion of the back surface sheet 22 is located between the connecting surface of the strip-shaped member 6 and the front surface sheet 21, and the surface opposite to the connecting surface of the strip-shaped member 6 is located. It will be covered by the back sheet 22. In this way, as described above, by integrally sewing and fixing the overlapping portion of the front surface sheet 21, the strip-shaped member 6, and the back surface sheet 22, the strip-shaped member 6 has an arc-shaped back surface as the arc-shaped connecting portion 5. The connection portion 5b is provided between the front surface sheet 21 and the back surface sheet 22.

The connecting portion sewing thread 10 is formed in two lines at intervals in the lateral direction of the strip-shaped member 6, and each connecting portion sewing thread 10 is provided from the upper end portion to the lower end portion of the mask main body 3. (See Fig. 3).

The strip-shaped member 6 will be described. The strip-shaped member 6 has a shape-retaining function in addition to having flexibility as described above. Specifically, the strip-shaped member 6 is embedded with a polyethylene wire or band or a metal core such as a wire that can be freely bent like a wire and can maintain the bent shape. It is made of polyethylene strips or strips.

Further, as shown in FIGS. 1 to 3, in the strip-shaped member 6, one end 6a of the strip-shaped member 6 is located at the upper end of the mask main body 3, and the other end 6b of the strip-shaped member 6 is the mask main body 3. It is provided along the back surface arc-shaped connection portion 5b as the arc-shaped connection portion 5 in a state of being located between the middle portion and the lower end portion of the above. That is, the length of the strip-shaped member 6 is longer than half the length of the arc-shaped connecting portion 5 from the upper end portion to the lower end portion of the mask body 3, and is longer than the length from the upper end portion to the lower end portion of the arc-shaped connecting portion 5. It is formed to be short.

Specifically, the length of the strip-shaped member 6 is longer than 1/2 of the length from the upper end to the lower end of the arc-shaped connecting portion 5 and shorter than 3/4 of the length of the arc-shaped connecting portion 5. It is preferably formed to a length. As a result, the strip-shaped member 6 is not formed on the lower end side of the arc-shaped connecting portion 5 of the mask main body 3, and the lower end portion side of the mask main body 3 can be made not supported by the strip-shaped member 6. The mask can be worn with the lower end side of the chin covering the chin from the tip of the user's chin along the shape below the chin.

Further, the strip-shaped member 6 is provided with a coating portion 7 in which one end portion 6a and the other end portion 6b of the strip-shaped member 6 are coated with resin (see FIG. 3). Specifically, polyethylene or the like is used as the material of the resin to be coated, and the thickness of the coating is preferably 0.1 mm or more and 3 mm or less (← please confirm). As a result, when the user wears the three-dimensional mask 1 or when the three-dimensional mask 1 is washed, one end 6a or the other end 6b of the strip-shaped member 6 provided on the mask body 3 becomes a sheet of the mask body 3. Even when the strip-shaped member 6 rubs against each other, the one end portion 6a or the other end portion 6b of the strip-shaped member 6 is coated with the resin, so that the one end portion 6a or the other end portion 6b of the strip-shaped member 6 is prevented from damaging the sheet 2. be able to.

The ear hook portion 4 formed at the other end of the left and right end portions of the sheet 2 will be described. As described above, the ear hook portion 4 is provided so as to penetrate the side edge hole 4a formed by folding back the side edge of the other end of the sheet 2 and the side edge hole 4a, and is formed so as to be annular. It is composed of the ear hook string 4b.

The side edge hole 4a is formed in the other end of the sheet 2 in a state where the other end of the sheet 2 is folded back twice toward the back surface side of the sheet 2 and the edge of the sheet 2 is located inside the side edge hole 4a. It is formed by superimposing and sewing the folded-back portion at an appropriate position on the back surface side of the sheet 2 so that the side edge hole 4a penetrating in the vertical direction is formed.

As the ear hook string 4b, a round string or a flat string having elasticity in the longitudinal direction is preferably used, but a round string or a flat string having no elasticity may be used. The ear hook string 4b is passed through the side edge hole 4a described above, and the ear hook string 4b is formed in an annular shape to form the ear hook portion 4.

Next, the state when the three-dimensional mask 1 is attached will be described with reference to FIG.
When the mask body 3 (see FIG. 2) in which the pair of left and right sheets 2 are overlapped is expanded, the arc-shaped connecting portion 5 of the mask body 3 protrudes toward the surface side of the sheet 2 from the ear hook portion 4 in a cup shape. It is formed. In this state, by hooking a pair of left and right ear hook strings 4b to both the left and right ears, a strip-shaped member 6 provided in a vertically extending state at the center of the mask body 3 in the left and right direction is used. It touches the person's nose and ears.

As a result, even when a flow of sucking air accompanying the user's breathing occurs, for example, the strip-shaped member 6 of the mask body 3 comes into contact with the user's nose and chin, so that the mask body 3 and the user's nose The shape of the cup-shaped space between the bottom and the mouth can be maintained. Therefore, it is possible to prevent the mask body 3 from sticking to the nose and mouth due to the user's breathing.

When the strip-shaped member 6 has a shape-retaining function, the user wears the three-dimensional mask 1 and a cup-shaped space portion between the mask main body 3 and the user's nose and mouth is formed. Once formed, the shape of the strip-shaped member 6 is retained in this shape. Therefore, it is possible to comfortably wear the mask even if the mask wearing time is long, without giving the user an unpleasant feeling such as a feeling of tightness due to the reaction force generated when the strip-shaped member 6 is bent. can.

Further, the other end portion 6b of the strip-shaped member 6 is provided along the arc-shaped connecting portion 5 in a state of being located between the intermediate portion and the lower end portion of the mask main body 3. That is, the strip-shaped member 6 is provided along the arc-shaped connecting portion 5 so that the other end side is separated from the lower end portion of the mask main body 3. As a result, the lower end portion 6b side of the arc-shaped connection portion 5 of the mask main body 3 is in a state where the mask main body 3 is not supported by the strip-shaped member 6, so that the lower end portion side of the mask main body 3 is from the tip of the user's jaw to the jaw. It will be in a state of covering the user's chin along the shape below. Therefore, the user can wear the mask in a stable wearing state.

[Second Embodiment]
Hereinafter, the three-dimensional mask 100 according to the second embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 6 to 8, the three-dimensional mask 100 according to the second embodiment has the bag-shaped portion 11 capable of taking in the sheet 2 by inverting the inside and outside thereof. It is different from the form.

Specifically, as shown in FIGS. 6 and 7, the additional sheet 12 is provided so as to overlap at least one of the pair of left and right sheets 2, and the upper and lower ends of the additional sheet 12 are respectively. An additional sheet arc-shaped overhang 12a is formed at one end of the left and right ends of the additional sheet 12 which is connected to the upper and lower ends of the sheet 2 and the additional sheet 12 projects in an arc shape. A bag-shaped portion 11 connected along 5 and having an opening 13 formed by the additional sheet 12 and the other end of the additional sheet 12 and the other end of the sheet 2 is provided. It is different from the first embodiment described above. By inverting the inside and outside of the bag-shaped portion 11, the mask body 3 can be taken into the bag-shaped portion 11 which has been inverted inside and outside.

That is, the shape of the additional sheet 12 is formed to be substantially the same as the shape of the sheet 2 (see FIG. 2), and the additional sheet 12 is provided so as to overlap the sheet 2 of either of the pair of left and right sheets 2. By inverting the inside and outside thereof, a bag-shaped portion 11 capable of taking in the mask body 3 is formed inside. Further, although not particularly limited, the material of the additional sheet 12 is formed of the same material as the material of the sheet 2.

As shown in FIG. 6, the upper and lower ends of the mask body 3 provided with the additional sheet 12, the other end of the sheet 2, and the other end of the additional sheet 12 are provided with edge members 14 covering their edges. Has been done. The edge member 14 provided at the upper and lower ends of the mask body 3 is formed so as to be longer than the length in the left-right direction of the mask body 3, and the edge member extends outward from the left-right direction of the mask body 3. The portion 14a is formed.

The ear hook portion 4 in the present embodiment has the respective edge member extending portions 14a provided at the upper and lower end portions of the seat body in this way, and the through holes 15a through which these edge member extending portions 14a penetrate. It is composed of fasteners 15.

Further, in the present embodiment, as shown in FIG. 7, in the arc-shaped connecting portion 5, one end of the additional sheet 12 is sewn to the arc-shaped connecting portion 5 by the sewing thread 8. Specifically, the strip-shaped member 6 is provided on the back surface arc-shaped connection portion 5b, which is the arc-shaped connection portion 5 of the back surface sheet 22, and one end of the additional sheet 12 is provided along the back surface arc-shaped connection portion 5b by the sewing thread 8b for the back surface sheet. The portion and the strip-shaped member 6 are sewn together.

That is, in the back surface arc-shaped connection portion 5b, at one end of the pair of left and right back surface sheets 22, the side edges of the back surface sheets 22 are aligned with each other to form an overlapping portion of the back surface sheet 22, and the back surface arc-shaped connection portion 5b has a strip. The shape member 6 and one end of the additional sheet 12 are overlapped, and the overlapping portion of one end of the back sheet 22 and the strip-shaped member 6 and one end of the additional sheet 12 are integrally sewn by the sewing thread 8b for the back sheet. One end of the additional sheet 12 is connected along the back surface arc-shaped connecting portion 5b.

Then, the front surface sheet 21 to which the pair of left and right front surface sheets 21 are sewn is fixed to the back surface arc-shaped connection portion 5b by the sewing thread 10 for the connection portion. The sewing thread 10 for the connecting portion is provided along the strip-shaped member 6, and the overlapping portion of the front surface sheet 21, the strip-shaped member 6, and the back surface sheet 22 is integrally sewn and fixed in a state of extending in the vertical direction of the mask body 3. It is something to do.

In this way, when fixing the front surface sheet 21 with the sewing thread 10 for the connecting portion, the front surface sheet is directed toward the front surface sheet 21 side with the connection surface side of the strip-shaped member 6 in contact with the overlapping portion of the back surface sheet 22. 21, one end of the additional sheet 12, the overlapping portion of the back sheet 22, and the strip-shaped member 6 are integrally sewn and fixed.

The three-dimensional mask 100 according to the present embodiment is configured as described above, and has a bag-shaped portion 11 having an opening 13 formed by the other end of the additional sheet 12 and the other end of the sheet 2 in the mask main body 3. Therefore (see FIG. 8), by reversing the inside and outside of the bag-shaped portion 11, the sheet 2 of the mask body 3 that touches the user's face can be taken into the bag-shaped portion 11 that has been inverted inside and outside (FIG. 8). reference). Therefore, when the three-dimensional mask 100 is removed, the sheet 2 of the mask body 3 that touches the user's face can be stored in the bag-shaped portion 11 without being soiled.

Further, since the overlapping portion of the back surface sheet 22, one end of the additional sheet 12, and the strip-shaped member 6 are integrally sewn by the sewing thread 8b for the back surface sheet, the inside and outside of the bag-shaped portion 11 are inverted. As a result, the strip-shaped member 6 provided along the arc-shaped connecting portion 5 is opposite to the opening portion 13 of the inverted bag-shaped portion 11 in the mask housing state in which the sheet 2 is taken into the bag-shaped portion 11 inverted inside and outside. It will be located on the bottom 16 side of the side. As a result, the shape of the strip-shaped member 6 can be maintained at the bottom 16 of the bag-shaped portion 11, so that the shape of the arc-shaped overhanging portion 2a and the shape of the strip-shaped member 6 of the sheet 2 are broken in the mask housing state. Can be accommodated without.

[Another Embodiment]
Other embodiments are listed below.
(1) In the above embodiment, the strip-shaped member 6 is sewn to the back surface arc-shaped connecting portion 5b as the arc-shaped connecting portion 5 of the back surface sheet 22 by the sewing thread 8b for the back surface sheet, but the strip-shaped member is not limited to this. 6 may be attached to the arc-shaped connecting portion 5 with an adhesive or the like. In addition, an insertion portion into which the strip-shaped member 6 can be inserted into the arc-shaped connecting portion 5 of the sheet 2 is formed by using a part of the sheet 2 or a sheet material different from the sheet 2, and the strip-shaped member is formed in the insertion portion. 6 may be inserted to fix the strip-shaped member 6 to the arc-shaped connecting portion 5.

(2) In the above embodiment, the strip-shaped member 6 is sewn to the back surface arc-shaped connecting portion 5b of the back surface sheet 22 by the sewing thread 8b for the back surface sheet, but the strip-shaped member 6 is not limited to this, and the strip-shaped member 6 is the front surface sheet 21. It may be sewn to the surface arc-shaped connecting portion 5a of the surface by the sewing thread 8a for the surface sheet. Further, the strip-shaped member 6 may be sewn to both the back surface arc-shaped connecting portion 5b of the back surface sheet 22 and the front surface arc-shaped connecting portion 5a of the front surface sheet 21 with a single sewing thread.

(3) In the above embodiment, the sheet 2 is configured by superimposing the front surface sheet 21 and the back surface sheet 22, but the sheet 2 is not limited to this, and the sheet 2 may be configured by a single sheet. In addition, the sheet 2 may be formed into a triple structure by providing an intermediate sheet between the front surface sheet 21 and the back surface sheet 22. In this case, the intermediate sheets may be formed so as to form a pair on the left and right like the back surface sheet 22, and the strip-shaped member 6 may be provided at the arc-shaped connecting portion of the intermediate sheet.

(4) In the first embodiment, the ear hook portion 4 penetrates the side edge hole 4a formed by folding the side edge of the other end of the sheet 2 and the side edge hole 4a, and forms an annular shape. The ear hook string 4b is not limited to this, and the ear hook portion 4 is not provided with a side edge hole 4a, and one end of the ear hook string 4b is joined to the upper ends of the left and right end portions of the mask body 3. The other end of the ear hook string 4b may be joined to the lower end. Further, without forming the ear strap 4b in an annular shape, the ends of the ear strap 4b are derived from the upper ends and the lower ends of the left and right ends of the mask body 3, respectively, and the user can use the ends of the ear strap 4b when using the mask. You may tie it behind.

(5) In the above embodiment, the one end portion 6a and the other end portion 6b of the strip-shaped member 6 are provided with the coating portion 7 coated with resin, but the present invention is not limited to this, and the one end portion 6a of the strip-shaped member 6 or A coating portion 7 coated with a resin may be provided on any one of the other end portions 6b.

(6) In the second embodiment, the overlapping portion of one end of the back surface sheet 22 as the back surface arc-shaped connecting portion 5b, the strip-shaped member 6 and one end of the additional sheet 12 are integrally sewn by the sewing thread 8b for the back surface sheet. By attaching, one end of the additional sheet 12 is connected along the back surface arc-shaped connection portion 5b, but the present invention is not limited to this, and one end of the additional sheet 12 is attached to the back surface arc-shaped connection portion 5b with an adhesive or the like. The one end portion of the additional sheet 12 may be connected along the back surface arc-shaped connecting portion 5b by attaching the additional sheet 12.

(7) In the second embodiment, the additional sheet 12 is formed by integrally sewing the overlapping portion of one end of the back surface sheet 22, the strip-shaped member 6 and one end of the additional sheet 12 with the sewing thread 8b for the back surface sheet. One end of the back sheet is connected along the back surface arc-shaped connecting portion 5b, but the overlapping portion of one end of the back surface sheet 22 and one end of the additional sheet 12 are integrally sewn by the back sheet sewing thread 8b. By attaching, one end of the additional sheet 12 may be connected along the back surface arc-shaped connecting portion 5b. In this case, the strip-shaped member 6 may be provided on the surface arc-shaped connecting portion 5a.

(8) In the second embodiment, the additional sheet 12 is formed by integrally sewing the overlapping portion of one end of the back surface sheet 22, the strip-shaped member 6 and one end of the additional sheet 12 with the sewing thread 8b for the back surface sheet. One end of the surface sheet 21 is connected along the back surface arc-shaped connecting portion 5b, but the present invention is not limited to this, and as shown in FIG. 9, the overlapping portion of one end of the surface sheet 21 as the surface arc-shaped connecting portion 5a and the strip-shaped member 6 And one end of the additional sheet 12 may be integrally sewn by the sewing thread 8a for the surface sheet, so that one end of the additional sheet 12 may be connected along the surface arc-shaped connecting portion 5a. Further, the overlapping portion of one end of the surface sheet 21 and the one end of the additional sheet 12 are integrally sewn by the sewing thread 8a for the surface sheet, so that one end of the additional sheet 12 is connected along the surface arc-shaped connecting portion 5a. May be done. In this case, the strip-shaped member 6 may be provided on the back surface arc-shaped connecting portion 5b.

It should be noted that the configuration disclosed in the above embodiment (including another embodiment, the same shall apply hereinafter) can be applied in combination with the configuration disclosed in other embodiments as long as there is no contradiction. The embodiments disclosed in the present specification are examples, and the embodiments of the present invention are not limited thereto, and can be appropriately modified without departing from the object of the present invention.

As described above, it is possible to provide a three-dimensional mask capable of preventing the mask body from sticking to the nose and mouth due to the breathing of the user.

1 Three-dimensional mask 2 Sheet 2a Arc-shaped overhang 3 Mask body 4 Ear hook 5 Arc-shaped connection 5a Front arc-shaped connection 5b Back-side arc-shaped connection 6 Strip-shaped member 6a One end 6b The other end 8 Sewing thread 8b Back-side sheet sewing thread 21 Front sheet 22 Back sheet

Claims (10)

It is equipped with a mask body consisting of a pair of left and right sheets and a pair of left and right ear hooks.
At the left and right ends of the sheet, an arc-shaped overhanging portion is formed at one end thereof, and an ear hook portion is formed at the other end portion.
The mask body is a three-dimensional mask formed in a cup shape in which an arc-shaped connecting portion to which one end portions of the sheet are connected bulges.
A three-dimensional mask provided with a flexible strip-shaped member along the arc-shaped connection portion. The three-dimensional mask according to claim 1, wherein a sewing thread for suturing the one end portions of the sheet is provided in the arc-shaped connecting portion, and the strip-shaped member is sewn to the arc-shaped connecting portion by the sewing thread. The sheet is formed by superimposing at least a front surface sheet and a back surface sheet, and the strip-shaped member is a front surface arc-shaped connection portion which is the arc-shaped connection portion of the front surface sheet and the arc-shaped connection portion of the back surface sheet. The three-dimensional mask according to claim 1 or 2, which is provided on at least one of the back arc-shaped connecting portions. The three-dimensional mask according to claim 3, wherein the strip-shaped member is provided between the front surface sheet and the back surface sheet at the arc-shaped connection portion. A claim in which a back sheet sewing thread for suturing one end of the back surface sheet is provided in the arc-shaped connection portion, and the strip-shaped member is sewn on the back surface sheet sewing thread along the back surface arc-shaped connection portion. Item 3. The three-dimensional mask according to item 3. The three-dimensional mask according to any one of claims 1 to 5, wherein the strip-shaped member has a shape-retaining function. In the strip-shaped member, one end side of the strip-shaped member is located at the upper end portion of the mask body, and the other end side of the strip-shaped member is located between the intermediate portion and the lower end portion of the mask body. The three-dimensional mask according to any one of claims 1 to 6, which is provided along the arc-shaped connection portion. The three-dimensional mask according to any one of claims 1 to 7, wherein one end or the other end of the strip-shaped member is coated with a resin. An additional sheet is provided so as to overlap at least one of the pair of left and right sheets, and the upper and lower ends of the additional sheet are connected to the upper and lower ends of the additional sheet, respectively, and the left and right ends of the additional sheet are connected to each other. An additional sheet arc-shaped overhanging portion is formed at one end of the additional sheet, and one end of the additional sheet is connected along the arc-shaped connecting portion.
Any of claims 1 to 7, wherein the mask body is provided with a bag-shaped portion having an opening formed by the other end of the additional sheet and the other end of the sheet by the additional sheet and the sheet. The three-dimensional mask according to item 1. The three-dimensional mask according to claim 9, wherein at the arc-shaped connection portion, one end of the additional sheet is sewn to the arc-shaped connection portion by the sewing thread.

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