WO2007010969A1 - Three-dimensional mask - Google Patents

Abstract

[PROBLEMS] To provide a three-dimensional mask capable of preventing receptacles from getting fogged by wet air rising upward from the inside of the mask. [MEANS FOR SOLVING THE PROBLEMS] This mask comprises a body part (2) covering the objective portion of the face of a user having the mouth (8) and the nose cavity (7) of the user and locking parts (3) extended from the side end parts (2e, 2e) of the body part (2) and locking the body part (2) to the face of the user. A projected piece (9) projected diagonally downward is laterally formed on the inner surface of the body part (2) at a position higher than the portion thereof covering the nose cavity (7).

Description

 Specification

 3D mask

 Technical field

 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.

 Background art

 [0002] Conventionally, masks that cover the target area of the face including the user's mouth and nasal cavity are not only used to catch a cold, but also to work such as construction and machining when dentists and surgeons perform surgery. Used in various situations such as when In particular, in recent years, it has also been used for pollen countermeasures, and its versatility tends to expand more and more.

 [0003] Conventionally, a mask used in various scenes has also been conventionally formed by stacking a plurality of rectangular gauze nonwoven fabrics and the like to form a main body, and the right and left ends of the main body are used for ear-hooking. The strength of the rubber strap was almost the same as that attached to the ring (hereinafter, this type of mask is also simply referred to as “conventional flat mask”). In addition, the gauze and the like come into contact with the user's mouth, and the gauze and the like get wet as the usage time becomes longer, which makes it difficult to breathe through the mouth and nose.

 [0004] Therefore, a flat mask having a form in which a pleat (a ridge 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). ) The flat mask of this form is flat before use, but has a three-dimensional shape following the swelling of the mouth and nose when used. However, this form of flat mask also has a weak force to maintain a three-dimensional shape (shape retention), so it cannot be completely solved the problem that it deforms immediately and makes it difficult to breathe. .

[0005] Therefore, in recent years, a mask in which the main body portion is formed into a three-dimensional shape such as a cup shape and a mask in which the main body portion is three-dimensionally cut in the manufacturing stage have appeared in the manufacturing stage. It is getting popular. 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 arranged on one side end part. (For example, refer to Patent Document 2.) _{0 Although} this three-dimensional mask is flat before use, the left side in use If you widen the space between the right and left parts, it becomes a three-dimensional shape, and you can put your mouth and nose between the left and right parts!

[0006] However, although these three-dimensional masks have a great advantage in that they have a high shape retaining property, the shape of the three-dimensional masks is not deformed along the user's face. In addition, there was a gap between the upper part and the main body, and the moist air rose through the gap, and the glasses and the like sometimes clouded.

 Patent Document 1: Japanese Patent Laid-Open No. 2003-275332

 Patent Document 2: JP-A-7-275384

 Disclosure of the invention

 Problems to be solved by the invention

[0007] 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.

 Means for solving the problem

[0008] 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 a face including a mouth and a 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, provided with a protruding piece force that protrudes obliquely downward, along the lateral direction,

 A three-dimensional mask characterized by that.

[0009] [Invention of Claim 2]

 A three-dimensional mask comprising: a main body that covers a target portion of a face including a mouth and a nasal cavity; and a locking portion that pulls a side end of the main body to lock the main body to the face. Above the portion covering the nasal cavity of the inner surface of the part, provided so as to extend along the lateral direction of the protruding piece that protrudes obliquely downward by the locking by the locking part,

A three-dimensional mask characterized by that. [Invention of Claim 3]

 The main body portion 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,

 3. The three-dimensional mask according to claim 1, wherein the outer sheet has elasticity in at least the vertical direction, and the protruding piece is formed by folding only the inner sheet.

 The invention's effect

 [0011] According to the present invention, a three-dimensional mask is obtained in which moist air escapes upward from the mask and the spectacles and the like are not fogged.

 BEST MODE FOR CARRYING OUT THE INVENTION

Next, embodiments of the present invention will be described.

 [Definition etc.]

 In this specification, the term “three-dimensional mask” means, in principle, a mask whose main body is three-dimensional when in use. Therefore, for example, the main body part is three-dimensionally cut at the manufacturing stage (the finished product is shaped and cut so that it has a three-dimensional shape). And a mask whose body is formed in a cup shape or the like in the manufacturing stage, that is, a mask that has a three-dimensional shape before use.

 However, even if the main body is flat before use, but has a three-dimensional shape when used, if the main body is provided with pleats and is pulled apart from the upper and lower ends of the main body, The mask in which the pleats expand so that the portion bulges outward and deforms into a three-dimensional shape as a whole is a flat mask and is not included in the three-dimensional mask in this specification. The mask with pre-preparation has weak shape retention and is easily deformed, so it is inferior to a three-dimensional mask in terms of ease of breathing. A) Close to a plain mask. Therefore, since the premise (problem) of the present invention is lacking, in this specification, it is classified into a flat mask that is not a three-dimensional mask. In this industry as well, masks that become three-dimensional by the action of pre-play 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 2 and 2e and 2e of the main body 2 to this side. By pulling the end portions 2e and 2e, the main portion 2 and the engaging portion 3 for engaging the face become the main force.

 [0014] 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 an intermediate portion bulges outward from both upper and lower sides.

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

 [0016] 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, by covering the target part 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.

 [0017] In this embodiment, the main body 2 and the locking portion 3 are formed as separate members, and they are joined together. As shown in FIG. 2, the main body 2 and the locking portion 3 Can be integrally formed as a single member.

 [0018] Further, although it is not necessary to form the joining line (4) along the vertical direction, it can 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 also has one or two layers. It is preferable to have a multi-layer structure having the outer sheet 2 A composed of the above. In this case, for example, as shown in FIG. 2, the outer sheet 2A (or the inner sheet 2B) and the locking portion 3 are integrally formed as a single member, and the inner surface (or the corresponding portion of the main body 2) (or By laminating the inner sheet 2B (or the outer sheet 2A) on the outer surface), the main body 2 can also have a multi-layer structure.

[0020] In the case of a multi-layer structure, at least one of them has, for example, a dust filtering function, an aroma function, a virus' allergen inactivating function, an antibacterial function, a shape maintaining function, etc. The functional layer is preferable. Such a functional layer can be detachably attached to the main body 2.

[0021] The multi-layer structure as described above can also be adopted in the locking portion 3.

[Characteristic structure]

 (First form)

 FIG. 3 shows a plan view of the three-dimensional mask 1 of the present embodiment when viewed from the inside (user side), and FIG. 4 shows a cross-sectional view taken along the line I-I.

 The three-dimensional mask 1 of this embodiment is a protrusion projecting obliquely downward, formed by folding the outer sheet 2A and the inner sheet 2B inwardly above the portion covering the nasal cavity 7 on the inner surface of the main body 2. The strips 9 are provided along the transverse direction. In this three-dimensional mask 1, the protruding piece 9 functions as a valve against the humid air in the mask 2 and suppresses the rising of the humid air in the mask 2. Internal force There is no risk that 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.

[0023] The protruding piece 9 may protrude diagonally downward, but when the side end portions 2e and 2e of the main body 2 are pulled when the locking portion 3 is locked, the protruding piece 9 is inclined. Force of the structure protruding downward (standing) It 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 projecting piece 9 in an extended state. For example, a three-dimensional liner cuff or a three-dimensional gather which is now widely used in disposable disposable diapers. A structure similar to the above can be adopted.

[0024] (Second embodiment)

 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 of the present embodiment has the same characteristics as the first embodiment, that is, the outer sheet below the portion covering the mouth 8 on the inner surface of the main body 2 in view of the fact that the protruding piece 9 is provided. 2A and the inner sheet | seat 2B are formed in the mountain direction, and the protrusion piece 11 which protrudes diagonally upward is provided along the horizontal direction. In the three-dimensional mask 1, the protruding piece 11 closes the gap between the main body 2 and the user's face. There is no risk of powder entering. The protruding piece 11 also has a function of preventing the main body 2 from approaching the face more than necessary.

 [0025] The protruding piece 11 may also protrude obliquely upward, but, like the protruding piece 9, when the locking portion 3 is locked, the side end portions 2e and 2e of the main body 2 are A structure that protrudes (stands up) obliquely upward when pulled is preferred. Also, this standing structure can be the same as the protruding piece 9.

 [0026] (Third embodiment)

 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 characteristics as the second embodiment, that is, in addition to the provision of the protruding piece 9 and the protruding piece 11, the portion covering the nasal cavity 7 on the inner surface of the main body 2 and the mouth 8. A protruding piece 12 is formed along the lateral direction.The protruding piece 12 is formed by folding the outer sheet 2A and the inner sheet 2B inwardly between the covering parts and projecting downward. Features. The space between the nasal cavity 7 and the mouth 8 is the place where the most space is required to facilitate breathing. Therefore, it is easily deformed by an external force. However, in this 3D mask 1, the projecting piece 11 prevents the region force covering the space between the nasal cavity 7 and the mouth 8 of the main body 2 from approaching the face more than necessary. Secured. In addition, securing this space also has the advantage that the lipstick does not fall off and the fibers are not rubbed and fuzzed by wrinkles.

 [0027] The projecting piece 12 may also be projected obliquely downward, but as with the projecting piece 9, the side end portions 2e and 2e of the main body portion 2 are engaged when the locking portion 3 is engaged. A structure that protrudes (stands up) obliquely downward when pulled is preferable. Also, this standing structure can be the same as the protruding piece 9.

 [0028] (Fourth form)

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

[0029] (Other forms)

 As described above, in the first to fourth embodiments, the projecting pieces 9, 11, and 12 are formed with the sheet constituting the main body 2. However, the purpose is not limited to this. For example, a sheet different from the sheet constituting the main body 2 is joined to the main body 2, and the protruding pieces 9, 11, 12 are formed by this different sheet. Monkey.

 [0030] Folded sheets 2A and 2B constituting the projecting pieces 9, 11, and 12 can be fused together by ultrasonic waves or the like and integrated together.

[Material constituting each member]

 (Main body)

The material of the main body 2 (or each sheet 2A, 2B, or the layer constituting each sheet 2A, 2B) can be appropriately determined. For example, the air permeability specified in JIS Z 0208 is 30 OgZm ² A breathable material of more than 'hr can be used.

[0032] Examples of such a material include a porous sheet having a large number of permeation holes, a net material, short fibers or long fiber aggregates such as woven cloth and non-woven cloth, and laminates thereof. it can.

 [0033] When a fiber assembly is used, what is the raw fiber is not particularly limited. For example, polyolefins such as polyethylene and polypropylene, synthetic fibers such as polyesters and polyamides, regenerated fibers such as rayon cubules, natural fibers such as cotton, and mixed fibers in which two or more of these are used. It can be illustrated.

 [0034] Furthermore, when a non-woven fabric is used, it may be manufactured by any kind of cage. Examples of the Karoe method include known methods such as the spunlace method, the spunbond method, the thermal bond method, the melt blown method, the needle punch method, and the air through method. In addition, in order to enhance the performance of blocking pollen and fine dust, a laminated nonwoven fabric with a layer of ultrafine fibers (diameter of about 0.5 to 5 μm), such as SMS nonwoven fabric and SMMS nonwoven fabric, is used. It can also be used.

[0035] When a fiber assembly is used, 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 with strength tends to occur. Especially If it is repeatedly installed at the stop 3, tearing may occur. On the other hand, if the weight per unit area exceeds 70 gsm, the texture may be lost, and it may be difficult for the user to squeeze or rub against the user's skin.

 [0036] (Locking portion and stretchable outer sheet)

 The material of the locking part 3 can be selected with the same material strength as that of the main part 2, but it is rich in elasticity and elasticity and has little irritation to the skin! It is preferable to select the material.

 [0037] Examples of the material of the locking portion 3 and the outer sheet 2A having stretchability include, for example, pasting a nonwoven fabric on both the front and back sides of an elastic stretchable film, and performing stretchability improvement processing such as needle stick processing as necessary. A laminate nonwoven fabric or a stretchable nonwoven fabric obtained by heat-treating a web made of heat-crimpable composite fiber, and a pair of nonwoven fabrics are bonded together, and elastic elastic members such as thread rubber are sandwiched between the nonwoven fabrics A stretchable nonwoven fabric or the like can be suitably used. Of course, for the locking portion 3, other than this, for example, rubber such as flat rubber and round rubber can be used. Furthermore, a material in which these materials and a material that can be used in the main body 2 are combined by stacking or the like can be used as the locking portion 3.

 [0038] (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, or ultrasonic welding.

 Industrial applicability

[0039] 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.

 Brief Description of Drawings

FIG. 1 is a perspective view of a mask.

 FIG. 2 is a perspective view of another form of mask.

 FIG. 3 is a plan view when the mask is viewed from the inside.

 FIG. 4 is a cross-sectional view taken along line I I of FIG.

 FIG. 5 is a plan view when the mask is viewed from the inside.

 FIG. 6 is a cross-sectional view taken along line II-II in FIG.

FIG. 7 is a plan view when the mask is viewed from the inside. FIG. 8 is a sectional view taken along line m_m in FIG.

 FIG. 9 is a view for explaining the elasticity of the main body.

Explanation of symbols

 1 ... 3D mask, 2 ... Body part, 2A ... Outer sheet, 2B ... Inner sheet, 3 ... Locking part, Ί "· Nasal cavity, 8 ··· Mouth.

Claims

The scope of the claims  [1] A three-dimensional mask having a main body that covers a target portion of a face including a mouth and a nasal cavity, and an engaging portion that extends from a side end of the main body and engages the main body with the face. The upper part of the inner surface of the main body part is provided above the part covering the nasal cavity, and the protruding piece force protruding obliquely downward is provided along the lateral direction.  A three-dimensional mask characterized by that.  [2] A three-dimensional mask having a main body portion covering a target portion of the face including the mouth and the nasal cavity, and a locking portion that pulls 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 locking by the locking portion above a portion of the inner surface of the main body portion that covers the nasal cavity;  A three-dimensional mask characterized by that. [3] The main body portion is composed of an inner sheet composed of one or more layers and an outer sheet composed of one or more layers,  3. The three-dimensional mask according to claim 1, wherein the outer sheet has elasticity in at least the vertical direction, and the protruding piece is formed by folding only the inner sheet.