JP2007021031A - Three-dimensional mask - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a three-dimensional mask without a risk of fogging eyeglasses by discharging moisture upward from inside the mask. <P>SOLUTION: The three-dimensional mask comprises a body part 2 to cover a region of a user's face to be masked including the mouth 8 and the nasal cavity 7, and locking parts 3 extending from side ends 2e and 2e of the body part 2 to lock the body part 2 to the user's face. The mask also has a projection piece 9 projecting obliquely downward along the cross direction. The projection piece 9 is disposed higher than the part covering the nasal cavity 7 on the inner surface of the body part 2. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a three-dimensional mask that covers a target portion of a face including a user's mouth and nasal cavity.

  Traditionally, a mask covering the target part of the face including the user's mouth and nasal cavity has a cold, and when a dentist or surgeon performs a procedure, construction, machining, etc. , And is used in various scenes. In particular, in recent years, it has been used for pollen countermeasures, and its versatility tends to expand more and more.

  Conventionally, masks used in various situations have also been conventionally formed by stacking a plurality of rectangular gauze or nonwoven fabric, etc. to form a main body, and rubber straps for ear hooks are attached to the left and right ends of the main body. Most of them were attached in a ring shape (hereinafter, this form of mask is also simply referred to as “conventional flat mask”). However, in this conventional flat mask, the gauze etc. comes into contact with the user's mouth, and the gauze etc. gets wet as the usage time becomes longer, so that it is difficult to breathe from the mouth and nose. There was a problem.

  Accordingly, a flat mask having a form in which a pleat (a fold formed by folding in a pleat shape) along the width direction is provided on a main body portion made of gauze or the like has appeared (for example, see Patent Document 1). Although the flat mask of this form is flat before use, it has a three-dimensional shape following the swelling of the mouth and nose when used. However, the flat mask of this form also has a weak force for maintaining the three-dimensional shape (shape retention), and thus cannot be completely solved the problem that it deforms immediately and makes it difficult to breathe.

  Therefore, in recent years, a mask in which the main body is formed into a three-dimensional shape such as a cup shape in the manufacturing stage and a mask in which the main body is three-dimensionally cut in the manufacturing stage have appeared, and it has become popular as a three-dimensional mask. Yes. As the latter draped mask, for example, the main body part left side part and the main body part right side part which are different materials are overlapped, and these are joined along one side end part to constitute the central part in the width direction of the main body part. (For example, refer to Patent Document 2). Although this three-dimensional mask is flat before use, it becomes a three-dimensional shape when widened between the left part and the right part during use, and the mouth and nose may be placed between the left part and the right part. It can be done.

However, these three-dimensional masks have a great advantage in that they have a high shape retaining property.However, on the contrary, since the shape deformation along the user's face is not performed, the tip of the nose and its upper portion and the main body portion are not. In some cases, a gap was formed between them, and moist air rose through this gap, causing spectacles and the like to become cloudy.
JP 2003-275332 A JP 7-275384 A

  SUMMARY OF THE INVENTION The main problem to be solved by the present invention is to provide a three-dimensional mask in which moist air escapes upward from the mask and the spectacles and the like are not clouded.

The present invention that has solved this problem is as follows.
[Invention of Claim 1]
A three-dimensional mask having a main body portion covering a target portion of the face including the mouth and nasal cavity, and a locking portion extending from a side end portion of the main body portion and locking the main body portion to the face,
Above the portion covering the nasal cavity on the inner surface of the main body, a protruding piece that protrudes obliquely downward is provided so as to be along the lateral direction.
A three-dimensional mask characterized by that.

[Invention of Claim 2]
A three-dimensional mask having a main body portion covering a target portion of the face including the mouth and nasal cavity, and a locking portion for pulling a side end portion of the main body portion to lock the main body portion to the face,
A protruding piece that protrudes obliquely downward by the locking by the locking portion is provided above the portion covering the nasal cavity on the inner surface of the main body portion so as to be along the lateral direction.
A three-dimensional mask characterized by that.

[Invention of Claim 3]
The main body is composed of an inner sheet composed of one layer or two or more layers and an outer sheet composed of one layer or two or more layers,
The three-dimensional mask according to claim 1 or 2, wherein the outer sheet has elasticity in at least the vertical direction, and the protruding piece is formed by folding only the inner sheet.

  According to the present invention, it becomes a three-dimensional mask in which moist air escapes upward from the mask and the spectacles and the like are not clouded.

Next, an embodiment of the present invention will be described.
[Definition etc.]
In this specification, a three-dimensional mask means a mask whose main body portion has a three-dimensional shape when used in principle. Therefore, for example, the main body portion is three-dimensionally cut at the manufacturing stage (the finished product is shaped and cut so that it has a three-dimensional shape). Even if it is flat before use, it becomes a three-dimensional shape when used. A mask, a mask in which the main body portion is formed in a cup shape or the like in the manufacturing stage, that is, a mask having a three-dimensional shape before use is included.
However, even if the main body is flat before use but is a three-dimensional mask at the time of use, if the pleat is provided on the main body and the upper end and lower end of the main body are pulled apart, A mask in which the pleats expand so as to bulge outward and deform into a three-dimensional shape as a whole is a flat mask and is not included in the three-dimensional mask in this specification. A pleated mask is weak in shape retention and easily deformed, so it is inferior to a three-dimensional mask in terms of ease of breathing, but conversely, air is difficult to escape upward, and its properties are simply (conventional) Close to a flat mask. Therefore, since the premise (problem) of the present invention is lacking, in this specification, it is classified as a flat mask instead of a three-dimensional mask. In this industry as well, masks that become three-dimensional by the action of pleats are usually classified as flat masks.

[Basic structure]
FIG. 1 shows a three-dimensional mask 1 of this embodiment. The mask 1 covers a target portion of the face including the mouth 8 and the nasal cavity 7 (see FIGS. 3, 5 and 7), and extends from the side ends 2 e and 2 e of the main body 2. By pulling the parts 2e and 2e, the main part 2 is mainly composed of the locking part 3 for locking the main body part 2 to the face.

  The main body 2 includes a left portion 2L and a right portion 2R that are symmetrical with respect to the center line in the width direction. The two portions 2L and 2R are made of a flat material and are joined at the edge 4 on the center side in the width direction. Further, the joint portion 4 has a curved shape in which the intermediate portion bulges outward from both the upper and lower sides.

  On the other hand, the locking portion 3 is an annular flat member having an opening 5 for hanging on the ear, and is joined to the left and right side end portions 2e, 2e of the main body portion 2.

  The main body 2 and the locking portion 3 are flat in a non-use state in which the left portion 2L and the right portion 2R are overlapped. On the other hand, the main body 2 has a three-dimensional shape in a use state (shown state) in which the space between the left portion 2L and the right portion 2R is widened. In this state, when covering the target portion of the face including the mouth 8 and the nasal cavity 7 of the user, the space around the mouth 8 and the nasal cavity 7 can be covered.

  In this embodiment, the main body 2 and the locking portion 3 are formed as separate members and joined together. However, as shown in FIG. 2, the main body 2 and the locking portion 3 are formed as a single member. It can also be formed integrally.

  Moreover, it is not necessary to form the joining line (4) along the up-down direction, and although not shown, it can also be formed along the width direction, for example.

  The main body 2 may have a single-layer structure as shown in FIG. 1, but as shown in FIG. 2, the inner sheet 2B is composed of one layer or two or more layers, and is also composed of one layer or two or more layers. A multi-layer structure having the outer sheet 2A is preferable. In this case, for example, as shown in FIG. 2, the outer sheet 2A (or inner sheet 2B) and the locking portion 3 are integrally formed as a single member, and the inner surface (or outer surface) of the portion corresponding to the main body portion 2 is formed. ) And the inner sheet 2B (or outer sheet 2A) can be laminated to form the main body 2 in a multi-layer structure.

  In the case of a multi-layer structure, at least one of them is preferably a functional layer having, for example, a dust filtering function, an aroma function, a virus / allergen inactivating function, an antibacterial function, a shape maintaining function, and the like. A form in which such a functional layer is detachably attached to the main body 2 can be considered.

  The multi-layer structure as described above can also be employed in the locking portion 3.

[Characteristic structure]
(First form)
FIG. 3 is a plan view of the three-dimensional mask 1 of the present embodiment when viewed from the inside (user side), and FIG. 4 is a cross-sectional view taken along the line II.
The three-dimensional mask 1 of the present embodiment is a projecting piece 9 projecting obliquely downward, formed by folding an outer sheet 2A and an inner sheet 2B inwardly above a portion covering the nasal cavity 7 on the inner surface of the main body 2. Is provided along the lateral direction. In the three-dimensional mask 1, the protruding piece 9 functions as a valve with respect to the humid air in the mask 2, and prevents the humid air in the mask 2 from rising. There is no possibility that the moist air will escape upward and the glasses will become cloudy. The protruding piece 9 also has a function of preventing the main body 2 from approaching the face more than necessary.

  The protruding piece 9 may protrude in an obliquely downward direction in advance. However, when the side end portions 2e and 2e of the main body 2 are pulled when the engaging portion 3 is locked, the protruding piece 9 protrudes (stands up) obliquely downward. This is preferable in that the contact with the face can be made soft. As this standing structure, an elastic elastic member such as rubber thread (not shown) is fixed to the top of the protruding piece 9 in an extended state, for example, a three-dimensional barrier cuff or a three-dimensional gather that is currently used for disposable disposable diapers. A structure similar to the above can be adopted.

(Second form)
FIG. 5 shows a plan view of the three-dimensional mask 1 of the present embodiment when viewed from the inside (user side), and FIG. 6 shows a cross-sectional view taken along the line II-II.
The three-dimensional mask 1 according to the present embodiment has the same characteristics as the first embodiment, that is, in addition to the provision of the protruding piece 9, the outer sheet 2 </ b> A below the portion covering the mouth 8 on the inner surface of the main body 2. And the protrusion piece 11 which protruded diagonally upward formed by the inner sheet | seat 2B being mountain-folded inward is provided along the horizontal direction. In the three-dimensional mask 1, since the protruding piece 11 closes the gap between the main body 2 and the user's face, there is no possibility that pollen or the like enters from the gap. Moreover, this protrusion piece 11 also has a function which prevents the main-body part 2 from approaching a face more than necessary.

  The projecting piece 11 may also project obliquely upward in advance, but, like the projecting piece 9, when the side end portions 2 e and 2 e of the main body portion 2 are pulled when engaging with the engaging portion 3, A structure that protrudes (stands up) is more preferable. Also, this standing structure can be the same as the protruding piece 9.

(Third form)
FIG. 7 shows a plan view of the three-dimensional mask 1 of the present embodiment when viewed from the inside (user side), and FIG. 8 shows a cross-sectional view taken along line III-III.
The three-dimensional mask 1 of the present embodiment has the same features as the second embodiment, that is, in addition to the provision of the protruding pieces 9 and the protruding pieces 11, the portion and the mouth 8 that cover the nasal cavity 7 on the inner surface of the main body 2. Protruding pieces 12 projecting obliquely downward are formed along the lateral direction, and are formed by folding the outer sheet 2A and the inner sheet 2B inwardly between the covering parts. To do. The space between the nasal cavity 7 and the mouth 8 is the place where the most space is required for facilitating breathing, and the portion covering the place of the main body 2 is the place that bulges most, Easily deformed by external force. However, in the three-dimensional mask 1, the projecting piece 11 prevents the part covering the space between the nasal cavity 7 and the mouth 8 of the main body 2 from approaching the face more than necessary. The In addition, by securing this space, there is an advantage that the lipstick does not fall off and the fibers are not rubbed and fuzzed with a wrinkle or the like.

  The projecting piece 12 may also project obliquely downward in advance, but, like the projecting piece 9, when the side end portions 2 e and 2 e of the main body 2 are pulled when engaging with the engaging portion 3, A structure that protrudes (stands up) is more preferable. Also, this standing structure can be the same as the protruding piece 9.

(4th form)
In the three-dimensional mask 1 of this embodiment, as shown in (1) of FIG. 9, the protruding piece 9 is formed by folding only the inner sheet 2B, and the outer sheet 2A is stretchable at least in the vertical direction. It is formed with the material which has. As a result, as shown in FIG. 9 (2), the main body 2 expands and contracts at the location where the protruding piece 9 is present, and a mask that fits the surface length person is obtained. Of course, this structure can also be employed for the protruding piece 11 and the protruding piece 12.

(Other forms)
As described above, in the first to fourth embodiments, the projecting pieces 9, 11, and 12 are formed using the sheet constituting the main body 2. However, the present invention is not limited to this. For example, a sheet different from the sheet constituting the main body 2 may be joined to the main body 2, and the protruding pieces 9, 11, 12 may be formed using the other sheet. it can.

  Further, the folded sheets 2A and 2B constituting the protruding pieces 9, 11, and 12 can be fused and integrated by ultrasonic waves or the like.

[Material constituting each member]
(Main body)
The material of the main body 2 (or the sheets 2A and 2B or the layers constituting the sheets 2A and 2B) can be determined as appropriate. For example, the air permeability defined in JIS Z 0208 is 300 g / m ^2. -Breathable material of hr or more can be used.

  Examples of such a material include a porous sheet having a large number of transmission holes, a net material, short fibers or long fiber aggregates such as woven fabrics and nonwoven fabrics, and laminates thereof.

  When using a fiber assembly, what the raw material fiber is is not particularly limited. Examples include synthetic fibers such as polyethylene and polypropylene such as olefins, polyesters and polyamides, recycled fibers such as rayon and cupra, natural fibers such as cotton, and mixed fibers in which two or more of these are used. can do.

  Furthermore, when using a nonwoven fabric, what was manufactured by what kind of processing may be sufficient. Examples of the processing method include known methods such as a spunlace method, a spunbond method, a thermal bond method, a melt blown method, a needle punch method, and an air through method. In addition, in order to improve the performance of blocking pollen and fine dust, it is also possible to use a laminated nonwoven fabric having a layer made of ultrafine fibers (diameter of about 0.5 to 5 μm) such as SMS nonwoven fabric or SMMS nonwoven fabric. it can.

  When using a fiber assembly, the basis weight can be 15 to 70 gsm, particularly 20 to 50 gsm. If the basis weight is less than 15 gsm, a problem is likely to occur in strength. In particular, there is a possibility that tearing may occur if the locking portion 3 is repeatedly mounted. On the other hand, if the weight per unit area exceeds 70 gsm, the texture may be impaired, and it may become difficult for the user to squeeze or rub against the user's skin.

(Locking part and elastic outer sheet)
The material of the locking portion 3 can be selected from the same material as that of the main body 2, but it is preferable to select a material that is rich in elasticity and elasticity and has little irritation to the skin.

  As a material for the engaging portion 3 and the outer sheet 2A having elasticity, for example, a laminated nonwoven fabric obtained by attaching a nonwoven fabric to both the front and back sides of an elastic stretchable film, and performing a stretch improvement process such as a needle stick process as necessary In addition to a stretchable nonwoven fabric obtained by heat-treating a web made of heat-crimpable composite fibers, a stretchable nonwoven fabric in which a pair of nonwoven fabrics are bonded together and an elastic stretchable member such as thread rubber is sandwiched between the nonwoven fabrics Etc. can be used suitably. Of course, for the locking portion 3, other than this, for example, rubber such as flat rubber or round rubber can be used. Furthermore, a material obtained by combining these materials and a material that can be used in the main body 2 by lamination or the like can be used as the locking portion 3.

(Other)
The members and the layers (sheets) can be joined to each other by a known joining means such as heat sealing, hot melt adhesion, ultrasonic welding, or the like.

  The present invention is applicable as a three-dimensional mask that covers a target portion of a face including a user's mouth and nasal cavity.

It is a perspective view of a mask. It is a perspective view of another form of a mask. It is a top view at the time of seeing a mask from the inner side. It is the II sectional view taken on the line of FIG. It is a top view at the time of seeing a mask from the inner side. It is the II-II sectional view taken on the line of FIG. It is a top view at the time of seeing a mask from the inner side. It is the III-III sectional view taken on the line of FIG. It is a figure for demonstrating the elasticity of a main-body part.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Three-dimensional mask, 2 ... Main part, 2A ... Outer sheet, 2B ... Inner sheet, 3 ... Locking part, 7 ... Nasal cavity, 8 ... Mouth.

Claims (3)

A three-dimensional mask having a main body portion covering a target portion of the face including the mouth and nasal cavity, and a locking portion extending from a side end portion of the main body portion and locking the main body portion to the face,
Above the portion covering the nasal cavity on the inner surface of the main body, a protruding piece that protrudes obliquely downward is provided so as to be along the lateral direction.
A three-dimensional mask characterized by that. A three-dimensional mask having a main body portion covering a target portion of the face including the mouth and nasal cavity, and a locking portion for pulling a side end portion of the main body portion to lock the main body portion to the face,
A protruding piece that protrudes obliquely downward by the locking by the locking portion is provided above the portion covering the nasal cavity on the inner surface of the main body portion so as to be along the lateral direction.
A three-dimensional mask characterized by that. The main body is composed of an inner sheet composed of one layer or two or more layers and an outer sheet composed of one layer or two or more layers,
The three-dimensional mask according to claim 1 or 2, wherein the outer sheet has elasticity in at least the vertical direction, and the protruding piece is formed by folding only the inner sheet.

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