CN110602959B - Gauze mask - Google Patents
Gauze mask Download PDFInfo
- Publication number
- CN110602959B CN110602959B CN201880028488.5A CN201880028488A CN110602959B CN 110602959 B CN110602959 B CN 110602959B CN 201880028488 A CN201880028488 A CN 201880028488A CN 110602959 B CN110602959 B CN 110602959B
- Authority
- CN
- China
- Prior art keywords
- fabric
- mask
- skin
- facing surface
- mask body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
- A62B18/025—Halfmasks
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C23/00—Making patterns or designs on fabrics
- D06C23/04—Making patterns or designs on fabrics by shrinking, embossing, moiréing, or crêping
Abstract
The invention provides a mask which is easy to inhibit the uncomfortable feeling of the face of a wearer and has excellent wearing feeling. A mask (1) is provided with a mask body (3) having a longitudinal direction (L) and a transverse direction (C), and an ear-hanging part (5), wherein the mask body (3) is provided with a skin-facing surface (S1) and a non-skin-facing surface (S2), and is provided with a fabric (9) constituting a part of the skin-facing surface (S1), and a nose mask part (39) extending in the longitudinal direction (L) from an upper end edge part (3A) extending in the transverse direction (C) so as to cover the nose of a wearer, and is composed of a synthetic fiber fabric, wherein the MIU (average friction coefficient) of the skin-facing surface of the synthetic fiber fabric is 0.09-0.20, the MMD (variation in average friction coefficient) is 0.005-0.015, and the MIU of the skin-facing surface of the fabric (9) exceeds 0.25 or the MMD exceeds 0.015.
Description
Technical Field
The present invention relates to a mask.
Background
In recent years, masks of various shapes such as pollen masks and sanitary masks have been known.
For example, the invention disclosed in patent document 1 below is a mask having: a mask body; a string that is worn on both ears or the head of a wearer to fix the mask body to a predetermined position on the face of the wearer; and a nose bridge portion that rises from a surface of the mask body on a side abutting against the face of the wearer in a direction toward the face of the wearer and covers the bridge of the nose of the wearer from above when worn.
The mask disclosed in patent document 1 includes a nose clip portion rising from a surface of the mask body on a side abutting against the face of the wearer in a direction toward the face of the wearer, and thereby can suppress displacement from an initial position of wearing due to movement of the mouth and face of the wearer.
Prior art documents
Patent document
Patent document 1: japanese patent laid-open publication No. 2014-30654
Disclosure of Invention
Problems to be solved by the invention
In the conventional mask disclosed in patent document 1, when used, the face of the mask body that is in contact with the face of the wearer is likely to be in close contact with the face of the wearer, particularly the nose, and therefore the wearer is likely to feel discomfort such as itching or pain on the face. In particular, when the face of the mask body on the side contacting the face of the wearer is made of a fabric such as gauze, which may have fuzzing, the fabric easily irritates the face of the wearer, and the wearer is likely to feel the uncomfortable feeling.
Accordingly, an object of the present invention is to provide a mask which is easy to suppress the uncomfortable feeling of the wearer's face during use and has excellent wearing feeling.
Means for solving the problems
Therefore, the mask of the present invention includes: has a mask body having a longitudinal direction and a lateral direction, and ear loops extending from both side edges of the mask body extending in the longitudinal direction, respectively,
the mask body has a skin-facing surface and a non-skin-facing surface on the opposite side thereof, and has a fabric constituting a part of the skin-facing surface,
the mask body has a nose mask portion extending in the longitudinal direction from an upper edge portion extending in the lateral direction so as to cover a nose of a wearer, and made of a synthetic fiber fabric having an average coefficient of friction (MIU) of 0.09 to 0.20 on a skin-facing surface and a variation in average coefficient of friction (MMD) of 0.005 to 0.015,
the fabric has a skin facing side MIU of greater than 0.20 or an MMD of greater than 0.015.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the present invention, a mask that is easily suppressed in the uncomfortable feeling of the wearer's face during use and that has excellent wearing feeling can be provided.
Drawings
Fig. 1 is a plan view of a mask 1 according to an embodiment of the present invention, as viewed from the non-skin-facing surface S2 side.
Fig. 2 is a plan view of mask 1 according to the embodiment of the present invention, as viewed from the side of skin-facing surface S1.
Fig. 3 is an end view taken along line III-III of fig. 1.
Fig. 4 is an electron micrograph (at 50 magnifications) of the skin-facing surface of the cellulose fabric 9 viewed from the side.
Fig. 5 is an electron micrograph (at 50 magnifications) of the skin-facing surface of the mask portion 39 viewed from the side.
Fig. 6 is an electron micrograph (at 20 × magnification) of the skin-facing surface of the mask portion 39 viewed from above.
Fig. 7 is a schematic view showing a wearing state of the mask 1 according to the embodiment of the present invention.
Detailed Description
[ scheme 1]
A mask is provided with: has a mask body having a longitudinal direction and a lateral direction, and ear loops respectively extending from both side edge portions of the mask body extending along the longitudinal direction,
the mask body has a skin-facing surface and a non-skin-facing surface on the opposite side thereof, and has a fabric constituting a part of the skin-facing surface,
the mask body has a nose mask portion extending in the longitudinal direction from an upper edge portion extending in the lateral direction so as to cover a nose of a wearer, and made of a synthetic fiber fabric having an MIU (average coefficient of friction) of 0.09 to 0.20 and an MMD (variation in average coefficient of friction) of 0.005 to 0.015 on a skin-facing surface,
the fabric has a skin facing side MIU of greater than 0.20 or an MMD of greater than 0.015.
In the mask of this aspect, since the mask body includes the nose mask portion made of a synthetic fiber fabric having a predetermined friction characteristic and arranged to cover the nose of the wearer, even if the nose mask portion comes into contact with the face of the wearer, particularly, the nose portion, it is difficult to provide irritation to the portion. Further, in the mask of the present invention, since the mask body is provided with the nose piece portion, the cloth having a higher MIU or MMD than the synthetic fiber cloth and easily giving irritation to the face of the wearer when the cloth is in contact with the face can be easily prevented from being in direct contact with the face of the wearer, particularly, the nose portion. Therefore, the mask of this embodiment easily suppresses the uncomfortable feeling of the face of the wearer, and is excellent in wearing feeling.
[ scheme 2]
The mask according to claim 1, wherein the fabric is a cellulose fabric.
In the mask of this aspect, since the fabric is made of cellulose fabric, the moisture absorption property of the mask body is easily ensured, and the wearing feeling is excellent.
[ scheme 3]
The mask according to claim 1 or 2, wherein the fibers constituting the fabric are formed by twisting a plurality of short fibers.
In the mask of this aspect, since the fibers constituting the fabric are formed by twisting a plurality of short fibers, the fiber ends of the short fibers and the short fibers extending from the fiber bundle formed by twisting the short fibers easily protrude from the skin surface of the fabric in a direction facing the face of the wearer, and are likely to give irritation such as a tingling sensation to the face, particularly the nose, of the wearer. However, since the mask according to this aspect includes the nose piece portion having the above-described structure at a predetermined position, even if the mask body is made of the fabric which easily gives a stimulating texture to the face, particularly the nose portion of the wearer as described above, the uncomfortable feeling of the face of the wearer is easily suppressed, and the wearing feeling is excellent.
[ scheme 4]
The mask according to any one of claims 1 to 3, wherein,
the synthetic fiber fabric has a plurality of dot-shaped embossed portions, the total area of the plurality of dot-shaped embossed portions being 15 to 30% of the area of the synthetic fiber fabric,
the synthetic fiber fabric has an SMD (surface roughness) of 2.0 to 4.5 [ mu ] m.
In the mask according to the present invention, the synthetic fiber fabric constituting the nose cup portion is provided with a plurality of dot-shaped embossed portions, but since the mask has SMDs within a predetermined range, it is difficult for the wearer to feel the unevenness of the nose cup portion at the start of use of the mask, and the discomfort of the face of the wearer is easily suppressed. Further, since the mask has a plurality of predetermined dot-shaped embossed portions, the synthetic fiber fabric constituting the mask portion is easily prevented from raising, and particularly, even when the mask is used for a certain period of time, the state in which raising is prevented is easily maintained, and the uncomfortable feeling of the face of the wearer is easily prevented. Therefore, the mask according to this aspect is easy to suppress the uncomfortable feeling of the wearer's face at any stage of the use start stage and the stage when a certain amount of time has elapsed from the start of use, and is excellent in wearing feeling.
[ scheme 5]
The mask according to any one of claims 1 to 4, wherein,
the mask body has a pleated structure for bulging to the non-skin-facing side when in use,
the pleat structure comprises a first base part and a second base part which respectively constitute the upper end edge part and the lower end edge of the mask body, and a pleat part between the first base part and the second base part,
the nose piece portion extends in the longitudinal direction beyond an end portion of the first base bottom portion on the lower end edge side.
In the mask according to the present aspect, since the mask portion and the gather structure are in a predetermined positional relationship, the fabric can be more easily prevented from coming into contact with the face of the wearer, and the uncomfortable feeling of the face of the wearer can be more reliably prevented.
[ scheme 6]
The mask according to any one of claims 1 to 5, wherein,
the mask body is provided with, at each of the both side edge portions: a notch forming region in which a notch is formed so as to be recessed toward the lateral central portion, and a notch non-forming region in which the notch is not formed,
the mask body has a side sheet covering the cut portion from a non-skin-facing surface side and a skin-facing surface side at least in the cut portion forming region of each of the both side edge portions,
the mask body has a side edge embossed portion extending in the longitudinal direction in the cut portion non-forming region of each of the both side edges,
the rigidity of the notch-forming region of each of the both side edge portions is lower than the rigidity of the notch-non-forming region of each of the both side edge portions.
In the mask of this aspect, the pleated structure and the side edge embossed portion having the above structure make it easy to maintain the shape retention of the three-dimensional structure of the mask body during use, and the provision of the cut portion makes the cut portion a starting point for deformation guidance, so that the mask body can be easily attached to the face during use.
In the mask body of the mask of this aspect, the side pieces covering the cut portions from the non-skin-facing surface side and the skin-facing surface side are provided at least in the cut portion forming regions of the both side edge portions, and therefore, the cut portions are easily prevented from directly contacting the face of the wearer, and the cut portion forming regions are configured to have a lower rigidity than the cut portion non-forming regions, so that the wearer's face can be easily prevented from feeling uncomfortable even if the cut portion forming regions contact the face of the wearer.
Thus, the mask of this aspect can improve the fit of the mask body to the face during use, and can more reliably suppress the uncomfortable feeling of the wearer's face.
[ scheme 7]
The mask of claim 6, wherein,
the mask body does not have the side edge embossed portion in the cut portion forming region of each of the both side edges.
Even if the cut-out portion forming region comes into contact with the face of the wearer, the mask of this aspect is less likely to irritate the face of the wearer because the cut-out portion does not have the side edge embossed portion, and thus, discomfort of the face of the wearer is more reliably suppressed.
[ scheme 8]
The mask according to claim 6 or 7, wherein,
the mask body has a laminated structure in which a non-skin-facing surface side fabric is disposed at a position closer to the non-skin-facing surface side than the fabric,
the fabric is a woven fabric, the fabric is a knitted fabric,
the non-skin-facing surface fabric is composed of a synthetic fiber fabric,
the mask body is configured such that the non-skin-facing surface side fabric is fused at the cut portions of the both side edge portions.
The fabric is a woven fabric, and therefore, moisture absorption and air permeability can be maintained, and the fabric is not prone to stuffiness. Further, since the non-skin-facing surface side fabric is fused at the notch portion of each of the both side edge portions of the mask body, the non-skin-facing surface side fabric is welded to the fabric at the fused portion, so that the positional displacement of both fabrics is easily suppressed, and the strength of the mask is easily ensured more reliably, and the shape retention of the three-dimensional structure of the mask body is easily maintained, so that the fitting property of the mask body to the face is easily ensured more reliably, and the uncomfortable feeling of the wearer's face is easily inhibited more reliably.
[ scheme 9]
The mask according to claim 8, wherein,
the non-skin-facing surface side fabric has a first folded portion folded back toward the skin-facing surface side at a lower end edge of the mask body extending in the lateral direction,
the first folding portion covers the fabric.
In the vicinity of the lower end edge, the fabric is covered with the non-skin-facing surface side fabric, and therefore, in the vicinity of the lower end edge, the fabric is less likely to come into direct contact with the face of the wearer, and the mask of this embodiment is easy to more reliably suppress the uncomfortable feeling of the face of the wearer.
[ scheme 10]
The mask according to claim 9, wherein,
the fabric has a second folded portion folded back toward the skin-facing surface side at the lower end edge,
the length of the first folded portion in the longitudinal direction is longer than the length of the second folded portion in the longitudinal direction.
Since the rigidity near the lower edge portion is increased, the shape retention of the three-dimensional structure of the mask body is improved, and the mask of this embodiment easily and reliably ensures the adhesiveness of the mask body to the face, and easily and reliably suppresses the uncomfortable feeling of the wearer's face.
[ scheme 11]
The mask according to any one of claims 1 to 10, wherein,
the mask body has an auxiliary embossed portion extending at least partially in the lateral direction at the longitudinal center portion.
Since the shape retention of the three-dimensional structure of the mask body is more easily maintained by the auxiliary embossed portion, the mask of this embodiment easily and reliably ensures the adhesiveness of the mask body to the face, and easily and reliably suppresses the uncomfortable feeling of the wearer's face.
Hereinafter, preferred embodiments of the mask of the present invention will be described in detail with reference to the accompanying drawings. In the present invention, unless otherwise specified, the term "when an object (for example, a mask or the like) placed on a horizontal plane is viewed in the thickness direction of the object from the vertically upper side" is simply referred to as "in plan view", and the view in plan view is referred to as "in plan view".
The various directions and the like used in the present invention are as follows unless otherwise specified.
In the present specification, "longitudinal" refers to "the vertical direction of a rectangular object in plan view," lateral "refers to" the horizontal direction of a rectangular object in plan view, "and" thickness direction "refers to" the direction perpendicular to an object placed on a horizontal plane. These longitudinal, transverse and thickness directions are in mutually orthogonal relationship, respectively.
The "plane direction" refers to a direction in which a plane formed by the longitudinal direction and the lateral direction of the object extends.
In the present specification, unless otherwise specified, in the thickness direction of an object (for example, a mask or the like), "a proximal side relatively close to the skin surface of a wearer when the object is worn" is referred to as a "skin-facing surface side", and "a distal side relatively distant from the skin surface of the wearer when the object is worn" is referred to as a "non-skin-facing surface side". In the present specification, the "surface on the skin-facing surface side" and the "surface on the non-skin-facing surface side" of each of the various members constituting the object (for example, the mask body, the fabric constituting a part of the skin-facing surface of the mask body, the fabric on the non-skin-facing surface side, and the like) are simply referred to as "skin-facing surface" and "non-skin-facing surface", respectively.
[ embodiment ]
Fig. 1 is a plan view of a mask 1 according to an embodiment of the present invention, as viewed from the non-skin-facing surface S2 side. Fig. 2 is a plan view of mask 1 according to the embodiment of the present invention, as viewed from the side of skin-facing surface S1. Fig. 3 is an end view taken along line III-III of fig. 1. Fig. 4 is an electron micrograph (at 50 magnifications) of the skin-facing surface of the cellulose fabric 9 viewed from the side. Fig. 5 is an electron micrograph (at 50 magnifications) of the skin-facing surface of the mask portion 39 viewed from the side. Fig. 6 is an electron micrograph (at 20 × magnification) of the skin-facing surface of the mask portion 39 viewed from above. Fig. 7 is a schematic view showing a wearing state of the mask 1 according to the embodiment of the present invention.
As shown in fig. 1 to 3, the mask 1 of the present embodiment includes a mask body 3 and ear loops 5, 5 extending from both side edges 3c, 3c of the mask body 3. When the mask 1 is worn by a wearer, the mask body 3 is brought into contact with the face of the wearer so as to face the face, and the wearer wears the ear loops 5 on both ears of the wearer.
[ mask body ]
As shown in fig. 1 and 2, the mask body 3 has a longitudinal direction (L) and a lateral direction (C), and has a rectangular shape elongated in the lateral direction (C) in a plan view in a state before being worn (not used). The mask body 3 includes a skin facing surface S1 and a non-skin facing surface S2 located on the opposite side of the skin facing surface S1.
In the present embodiment, the base sheet 7 constituting the mask body 3 has a 2-layer structure of the cellulose fabric 9 (in the present invention, it may be referred to as "fabric" or "fabric constituting a part of the skin-facing surface of the mask body") constituting a part of the skin-facing surface S1 of the mask body 3 and the synthetic fiber fabric 11 (in the present invention, it may be referred to as "non-skin-facing surface side fabric") constituting the non-skin-facing surface S2.
The fabric constituting a part of the skin-facing surface of the mask body in the present invention may be formed by appropriately selecting a material having good moisture absorption, air permeability, and skin touch, and is particularly preferably formed of a sheet material made of a woven fabric, a knitted fabric, or a nonwoven fabric made of cellulose fibers, such as gauze, kapok, and the like, in which the number of threads is 80 to 120, for example.
In the fabric constituting a part of the skin-facing surface of the mask body according to the present invention, the MIU (average friction coefficient) of the skin-facing surface of the fabric exceeds 0.20 or the MMD (variation in average friction coefficient) exceeds 0.015.
The MIU on the skin-facing surface of the fabric is an index of the degree of slipping or the degree of slipping difficulty that the wearer feels when rubbing the skin-facing surface of the fabric, and the greater this value, the more likely the wearer feels the degree of slipping difficulty. The MMD of the skin-facing surface of the fabric is an index of smoothness or roughness that the wearer feels when rubbing the skin-facing surface of the fabric, and the larger this value, the more easily the wearer feels the roughness.
Since the fabric constituting a part of the skin-facing surface of the mask body of the present invention has the MIU or MMD, there is a possibility that the wearer may be irritated or uncomfortable to some extent on the face, particularly on the nose.
In the present specification, the measurement methods of MIU and MMD of the fabric are as follows.
After a test piece of a predetermined size (for example, 100mm × 10mm) is cut out from a fabric to be measured, MIU and MMD in each direction of the test piece (that is, in a direction corresponding to the longitudinal direction and the lateral direction of the fabric to be measured) are measured using a friction-sensitive tester KES SE (manufactured by katote corporation, japan), and an average value of each direction is calculated, whereby MIU and MMD of the fabric can be obtained.
In the present invention, the fact that the fabric has moisture absorption means the following case.
A sample of a fabric to be evaluated for the presence or absence of moisture absorption was vacuum-dried at 110 ℃ for 24 hours, and the mass (W) of the sample in absolute drying was measured0). Subsequently, the sample was allowed to stand in a constant temperature and humidity apparatus adjusted to a humidity of 90% RH at 20 ℃ for 24 hours, and the mass (W) of the sample after standing was measured1). In the mass of the sample W1>W0In the case of (2), the fabric of this sample was evaluated to have hygroscopicity.
The non-skin-facing surface fabric of the present invention may be suitably selected, for example, from 10 to 40g/m in basis weight2And various known synthetic fiber nonwoven fabric sheets such as meltblown nonwoven fabric, spunbonded nonwoven fabric, SMS nonwoven fabric, and through-air nonwoven fabric sheets. The non-skin-facing surface side fabric in the present invention may be a sheet material composed of a woven fabric or a knitted fabric, but a sheet material composed of a nonwoven fabric is preferable from the viewpoint that the upper end edge and the lower end edge of the fabric do not easily irritate the face of the wearer.
Examples of the synthetic fibers constituting the nonwoven fabric sheet include polyolefin fibers such as Polyethylene (PE) fibers and polypropylene (PP) fibers, polyester fibers, and polyamide fibers such as nylon. As described later, the base sheet constituting the mask body is preferably a heat-fusible fiber in view of embossing.
The base sheet constituting the mask body is not limited to the above-described structure, and may be a single-layer structure composed of only a fabric constituting a part of the skin-facing surface of the mask body. Alternatively, the base sheet of the present invention may include, for example, an intermediate sheet containing a filter function for adsorbing fine particles and/or an aromatic agent or an antibacterial agent interposed between a fabric forming the skin-facing surface and a fabric forming the non-skin-facing surface. Further, one or more fabrics made of woven, knitted, or nonwoven fabrics of natural fibers or synthetic fibers may be interposed between the fabric constituting a part of the skin-facing surface of the mask body and the non-skin-facing surface fabric.
In the present embodiment, the cellulose fabric 9 is made of a gauze made of a woven or knitted fabric of a yarn obtained by twisting a plurality of cellulose-based short fibers. As shown in fig. 4, the fiber ends of the cellulosic staple fibers of the skin-facing surface T1 of the cellulosic fabric 9 easily protrude from the skin-facing surface T1 in the thickness direction T, and the fiber ends may come into contact with the skin of the wearer and give irritation such as a tingling sensation to the wearer.
On the other hand, in the present embodiment, the synthetic fiber fabric 11 is composed of a spun-bonded nonwoven fabric based on long fibers. Unlike the cellulose fabric 9, the synthetic fiber fabric 11 is less likely to have its fiber ends protruding in the thickness direction T from the surface (skin-facing surface or non-skin-facing surface) of the synthetic fiber fabric 11. Therefore, even if the synthetic fiber fabric 11 comes into contact with the skin of the wearer, the wearer is less likely to be irritated by a tingling sensation or the like.
In the present specification, the short fibers mean fibers having an average fiber length of 0.5 to 100 mm. In addition, the long fibers mean fibers having an average fiber length of more than 100mm, and include continuous fibers.
In the present invention, the average fiber length of synthetic fibers such as heat-fusible fibers and fibers other than pulp in cellulose fibers, for example, regenerated cellulose fibers and semisynthetic fibers, is in accordance with JIS L1015: the "A7.1.1A method (standard method)" in appendix a of 2010, "a 7.1 measurement of fiber length" was measured by the method of measuring the length of each fiber on a glass plate with a scale.
The above method corresponds to the test method of ISO6989 published in 1981.
In the present invention, it is preferable that the number of fiber ends per unit area in the fabric constituting a part of the skin-facing surface of the mask body is larger than the number of fiber ends per unit area in the fabric on the non-skin-facing surface side. The number of fiber ends per unit area of the fabric constituting a part of the skin-facing surface of the mask body and the fabric on the non-skin-facing surface side can be evaluated by the following methods.
Samples of 10mm × 10mm were cut out from the fabric constituting a part of the skin-facing surface of the mask body and the non-skin-facing surface side fabric, and the skin-facing surface of the fabric constituting a part of the skin-facing surface of the mask body and the non-skin-facing surface of the non-skin-facing surface side fabric were observed with an electron microscope in each sample, and the number of fiber ends protruding in the thickness direction from the surface of each sample was visually counted.
In the present embodiment, the mask body 3 has an upper end edge 3a and a lower end edge 3b extending in the lateral direction (C). The mask body 3 has an upper edge portion 3A which is a rectangular region extending downward by 10mm in the longitudinal direction (L) from the entire upper edge 3A. The mask body 3 has side edges 3C extending in the vertical direction (L) on both sides in the lateral direction (C). In the present embodiment, the length of each of the side edge portions 3C, 3C in the lateral direction (C) is 10mm, but the length of the side edge portions in the lateral direction in the present invention can be appropriately changed within a range of about 5mm to 20 mm. Side sheets 13, which will be described later, are disposed on the side edges 3c and 3c of the mask body 3, respectively. The side edges 3c and 3c of the mask body 3 are divided into a notch forming region 17 in which a notch 15 described later is formed and a notch non-forming region 19 in which the notch 15 is not formed.
In the present invention, the dimension in the longitudinal direction of the mask body, i.e., the length between the upper end edge and the lower end edge, is preferably about 60mm to 100mm in a state before wearing (not in use), i.e., in a non-developed state, and the dimension in the lateral direction of the mask body is about 140 mm to 180 mm. If the mask body is configured to have the dimensions in the longitudinal direction and the lateral direction as described above, it is preferable to be able to sufficiently cover the standard cheek and chin portions of the adult wearer.
In the present embodiment, the mask body 3 has a pleated structure P for bulging toward the non-skin facing surface S2 side when worn.
More specifically, as shown in fig. 3, the base sheet 7 constituting the mask body 3 has a first fold portion 27a, a second fold portion 27b, and a third fold portion 27c formed from the proximal side of the upper edge 3a of the mask body 3. The first to third pleats 27a to 27c have the following configurations and positional relationships in a non-developed state before wearing (not in use) of the mask body 3.
The first fold 27a includes: a first base portion 21 a; a skirt portion S3 between the first base portion 21a and the first top portion 23 a; a first top portion 23 a; and a skirt portion S4 between the first top portion 23a and the second base portion 21 b. In the first fold portion 27a, the first top portion 23a is located closer to the lower end edge 3b than the upper end edge 3 a. In addition, in the first fold portion 27a, the length in the longitudinal direction (L) of the skirt portion S3 is shorter than the length in the longitudinal direction (L) of the skirt portion S4.
The second fold portion 27b includes: a second base portion 21 b; a skirt portion S5 between the second base portion 21b and the second top portion 23 b; a second top portion 23 b; and a skirt portion S6 between the second top portion 23b and the third base portion 21 c. The second fold portion 27b is located closer to the non-skin facing surface S2 than the first fold portion 27 a. In the second fold 27b, the second top portion 23b is located closer to the lower end edge 3b than the first top portion 23a of the first fold 27a, and the second base portion 21b is located closer to the lower end edge 3b than the first base portion 21a of the first fold 27 a. In addition, in the second fold portion 27b, the length in the longitudinal direction (L) of the skirt portion S5 is shorter than the length in the longitudinal direction (L) of the skirt portion S6.
The third fold portion 27c includes: a third base portion 21 c; a skirt portion S7 between the third base portion 21c and the third top portion 23 c; a third top portion 23 c; a skirt portion S8 between the third top portion 23c and the bottom portion 25; a bottom 25; a skirt portion S9 between the bottom portion 25 and the fourth base portion 21 d; and a fourth base portion 21 d. The third fold portion 27c is located closer to the non-skin facing surface S2 than the second fold portion 27 b. In the third fold portion 27c, the third top portion 23c is located closer to the lower end edge 3b than the second top portion 23b of the second fold portion 27b, and the third base portion 21c is located closer to the lower end edge 3b than the second base portion 21b of the second fold portion 27 b. In the third fold portion 27c, the fourth base portion 21d is located closer to the lower end edge 3b than the third base portion 21 c. In the third fold portion 27c, the bottom portion 25 is located closer to the upper end edge 3a than the lower end edge 3b of the mask body 3, and is located closer to the lower end edge 3b than the fourth base portion 21 d. In addition, in the third fold portion 27c, the sum of the length in the longitudinal direction (L) of the skirt portion S7 and the length in the longitudinal direction (L) of the skirt portion S9 is shorter than the length in the longitudinal direction (L) of the skirt portion S8.
The mask body 3 includes: a base portion S10 between the upper end edge 3a and the first base portion 21a, and a base portion S11 between the fourth base portion 21d and the lower end edge 3 b.
In this way, the corrugated structure formed by the first to third pleats 27a to 27c, the base portion S10, and the base portion S11 is the pleat structure P of the mask body 3.
In the mask body 3 before being worn (not used), at least a part of the base portion S10 and the skirt portion S3, at least a part of the skirt portion S4 and the skirt portion S5, at least a part of the skirt portion S6 and the skirt portion S7, and at least a part of the skirt portion S9 and the base portion S11 are folded so as to overlap each other, and have a flat structure in the thickness direction T.
On the other hand, in the worn state of the mask 1, as shown in fig. 4, the lower end edge 3b of the mask body 3 is elongated downward in the longitudinal direction (L) in accordance with the length of the wearer' S chin, and the mask body 3 is deformed into an Ω shape by bulging toward the non-skin facing surface S2 side. In the present embodiment, the skirt portion S8 is the most raised surface and is disposed at a position corresponding to the tip of the nose or the mouth of the wearer in the worn state of the mask 1.
In the present invention, the mask body does not necessarily need to have a pleated structure, and even when a pleated structure is provided, the structure is not limited to the above-described structure, and the specific structure such as the number of pleats and the direction of pleats of the mask body can be appropriately changed as long as the mask body is raised toward the non-skin-facing surface side during wearing.
[ notch ] of a sheet
As shown in fig. 1 and 2, in the present embodiment, the mask body 3 is formed so that the longitudinal center axis C is located at each of both side edge portions 3C, 3CLThe lower portion has a notch 15. The notch 15 has a shape recessed toward the center of the mask body 3 in the lateral direction (C), and more specifically, has a substantially V-shape gradually narrowed inward in the lateral direction (C) from each of the side edge portions 3C, 3C. Since the mask body 3 has the notch 15, the notch 15 is likely to serve as a starting point for the deformation guide of each of the both side edge portions 3c, 3c when the mask 1 is used, and therefore, the close adhesion of each of the both side edge portions 3c, 3c to the face of the wearer can be improved, and the close adhesion of the mask body 3 to the face can be improved.
The notch 15 is formed by cutting the cellulose fabric 9 into a substantially V-shape at each of the side edge portions of both side edge portions 3c, 3c of the mask body 3 and fusing the synthetic fiber fabric 11.
The mask body 3 is divided into a notch forming region 17 where the notch 15 is formed and a notch non-forming region 19 where the notch 15 is not formed, at each of both side edges 3c and 3 c.
The notch in the present invention is not limited to the above configuration, and may be formed in various known shapes such as a single or a plurality of straight lines, a curved line, and the like. The notch in the present invention may be provided by simply cutting the base material sheet, or may be formed by cutting and pressure-bonding the sheets constituting the base material sheet when the base material sheet is formed of a plurality of sheets.
[ side sheet, embossed portion, folded portion ]
As shown in fig. 1 and 2, in the present embodiment, the mask body 3 includes side sheets 13 covering the skin facing surface S1 and the non-skin facing surface S2 of the both side edge portions 3c and 3c, respectively, at the both side edge portions 3c and 3c, respectively. The side sheets 13 are disposed so as to sandwich both side edge portions 3c and 3c of the base sheet 7 of the mask body 3, which is formed of a 2-layer structure of the cellulose fabric 9 and the synthetic fiber fabric 11.
The side sheet of the present invention is not limited to the above-described configuration, and may be made of a fabric covering the cut portions from the non-skin-facing surface side and the skin-facing surface side in the cut portion forming regions of at least both side edge portions of the mask body.
The fabric constituting the side sheet may be appropriately selected from, for example, fabrics having a basis weight of 10 to 40g/m, similarly to the non-skin-facing surface side fabric constituting the mask body2And various known synthetic fiber nonwoven fabric sheets such as meltblown nonwoven fabric, spunbonded nonwoven fabric, SMS nonwoven fabric, and through-air nonwoven fabric sheets. The fabric constituting the side sheet in the present invention may be a sheet material made of a woven fabric or a knitted fabric, but a sheet material made of a nonwoven fabric is preferable from the viewpoint that the side sheet does not easily irritate the face of the wearer.
In the present embodiment, the mask body 3 has embossed portions 29 (sometimes referred to as "side edge embossed portions" in the present invention) extending in the longitudinal direction (L) at each of the side edge portions 3c, 3 c. More specifically, the embossed portion 29 is formed by embossing the base sheet 7, that is, the cellulose fabric 9 and the synthetic fiber fabric 11, and the side sheet 13 constituting the mask body 3 in the thickness direction T in the notch non-formation region 19. In the present embodiment, the embossed portion 29 is arranged in 2 rows on each of the side edge portions 3c and 3c, but the present invention is not limited to this configuration, and may be formed of 1 row or 3 rows or more.
In the present embodiment, the mask body 3 does not have the embossed portion 29 in the notch forming region 17 of each of the side edge portions 3c and 3 c.
In the present embodiment, the notch forming region 17 of each of the both side edge portions 3c, 3c has lower rigidity than the notch non-forming region 19 of each of the both side edge portions 3c, 3 c.
The rigidity values of the notched portion-forming regions and notched portion-non-forming regions of the both side edge portions are not particularly limited, and the rigidity values can be obtained by a bending rigidity test in which a test piece having a predetermined size (for example, 100mm × 10mm) is cut out from a sheet to be measured, and then the bending rigidity of the test piece at a position corresponding to the notched portion-forming region or the notched portion-non-forming region in each direction (i.e., a direction corresponding to the longitudinal direction of the member to be measured) is measured using a pure bending tester KES FB-2 (manufactured by KATOTECH corporation).
As shown in fig. 3, in the present embodiment, the synthetic fiber fabric 11 constituting the base sheet 7 is configured to have a first folded portion 31 folded back toward the skin facing surface S1 side at the lower edge 3b extending in the lateral direction (C) of the mask body 3, and the first folded portion 31 is configured to cover the cellulose fabric 9. The cellulose fabric 9 has a second folded portion 33 folded back toward the skin facing surface S1 at the lower end edge 3 b.
The length L1 in the longitudinal direction (L) of the first folded part 31 of the synthetic fiber fabric 11 is longer than the length L2 in the longitudinal direction (L) of the second folded part 33 of the cellulose fabric 9.
The first folded portion 31 of the synthetic fiber fabric 11 and the second folded portion 33 of the cellulose fabric 9 are fixed to each other by the embossed portion 35 in the vicinity of the lower end edge 3b of the mask body 3.
In the present invention, the first folded part of the fabric on the non-skin-facing surface side and the second folded part of the fabric constituting a part of the skin-facing surface of the mask body may be fixed with an adhesive such as HMA.
In the present embodiment, as shown in fig. 2, the mask body 3 further includes an auxiliary embossed portion 37 extending in the lateral direction (C) at the center portion in the longitudinal direction (L). More specifically, the auxiliary embossed portion 37 is formed by embossing the base sheet 7 constituting the mask body 3, that is, the cellulose fabric 9 and the synthetic fiber fabric 11, at a portion of the hem portion S6 of the second fold portion 27b which does not overlap with the hem portion S5 in a state before wearing (not in use) of the mask 1.
[ nose mask part ]
As shown in fig. 2 and 3, in the present embodiment, the mask body 3 has a nose mask portion 39 extending in the longitudinal direction (L) from the upper end edge portion 3A at a position closer to the skin facing surface S1 than the cellulose fabric 9. When the length of the nose piece portion 39 in the longitudinal direction (L) is L3, L3 is about 30% of the length of the mask body 3 in the longitudinal direction (L) before the mask 1 is worn (not used).
The mask body 39 has a fixed end 38 fixed to the upper edge 3A of the mask body 3 with a hot-melt adhesive, and a free end 40 extending in the lateral direction (C) below the fixed end 38. When the mask 1 is used, the center portion in the lateral direction (C) of the fixed end 38 of the nose cup portion 39 easily comes into contact with the nasal root portion of the wearer, and the center portion in the lateral direction (C) of the free end 40 easily comes into contact with the tip portion of the nose of the wearer. The form of joining the nose mask portion and the upper edge portion of the mask body in the present invention is not limited to the above form, and may be joined by another joining form such as thermal welding.
The nose cup portion 39 is made of a synthetic fiber fabric and configured to abut against the nose of the wearer when the mask 1 is worn by the wearer.
In the present invention, the MIU of the synthetic fiber fabric constituting the nose mask portion has a numerical range of 0.09 to 0.20, more preferably 0.09 to 0.18, and still more preferably 0.09 to 0.15. This is because the wearer can easily feel the ease of sliding of the skin-facing surface of the nose cup portion. The MMD of the synthetic fiber fabric constituting the mask portion is in a numerical range of 0.005 to 0.015, more preferably 0.005 to 0.012, and still more preferably 0.005 to 0.010. This is because the wearer can easily feel the smoothness of the skin-facing surface of the nose mask portion.
The synthetic fiber fabric constituting the nose mask portion in the present invention has a lower MIU and MMD than the fabric constituting a part of the skin-facing surface of the mask body in the present invention, and is less likely to give a certain degree of irritation and discomfort to the face, particularly the nose, of the wearer than the fabric constituting a part of the skin-facing surface of the mask body in the present invention.
In the present embodiment, the mask portion 39 is formed of a spun-bonded nonwoven fabric made of long fibers, as in the case of the synthetic fiber fabric 11 constituting the mask body 3. As shown in fig. 5, the fiber ends of the long fibers of the skin facing surface U1 of the mask portion 39 hardly protrude from the skin facing surface U1 in the thickness direction T, and are less likely to give irritation such as a tingling sensation to the wearer even when they are in contact with the skin of the wearer.
The synthetic fiber fabric constituting the nose mask part of the present invention can be suitably selected, for example, from 10 to 40g/m in basis weight, similarly to the non-skin-facing surface side fabric constituting the mask body2And various known synthetic fiber nonwoven fabric sheets such as meltblown nonwoven fabric, spunbonded nonwoven fabric, SMS nonwoven fabric, and through-air nonwoven fabric sheets.
The length of the mask body in the longitudinal direction in the present invention is not limited to the above length, and is preferably at least 30% of the length of the mask body in the longitudinal direction. The length of the nose mask portion in the longitudinal direction is preferably 30 to 80% of the length of the mask body in the longitudinal direction, more preferably 30 to 60% of the length of the mask body in the longitudinal direction, and still more preferably 30 to 50% of the length of the mask body in the longitudinal direction. The lower limit of the preferable range of the length of the nose mask in the longitudinal direction is determined from the viewpoint of more easily suppressing the fabric from contacting the face of the wearer, and the upper limit is determined from the viewpoint of making it difficult to bring the nose mask portion into contact with the mouth of the wearer and giving the wearer a feeling of discomfort.
In addition, from the viewpoint of more easily suppressing the fabric from coming into contact with the face of the wearer and more reliably suppressing the uncomfortable feeling of the face of the wearer, the nose mask portion in the present invention preferably extends over the end portion on the lower end edge side of the first base portion in the pleated structure of the mask main body.
As shown in fig. 6, in the present embodiment, the nose mask portion 39 has a plurality of dot-shaped embossed portions 45. The plurality of dot-shaped embossed portions 45 are formed by embossing the synthetic fiber fabric constituting the nose cup portion 39 in the thickness direction T.
In the present invention, the total area of the dot-embossed portions is preferably 15 to 30%, more preferably 18 to 25%, with respect to the area of the synthetic fiber fabric constituting the nose mask portion. This is from the viewpoint of satisfying both the skin touch and strength of the synthetic fiber fabric constituting the nose mask portion.
In the present invention, the SMD (surface roughness) of the skin-facing surface of the synthetic fiber fabric constituting the mask portion has a numerical value in the range of 2.0 to 4.5. mu.m, more preferably 2.0 to 4.0. mu.m, and still more preferably 2.0 to 3.5. mu.m.
The SMD of the skin-facing surface of the synthetic fiber fabric indicates the degree of unevenness of the skin-facing surface of the fabric, and the larger the value, the more severe the unevenness.
In the present specification, the SMD measurement method of the fabric is as follows, similarly to the MIU and MMD.
A test piece having a predetermined size (for example, 100mm × 10mm) is cut out from a fabric to be measured, SMDs of the test piece in respective directions (that is, directions corresponding to the longitudinal direction and the lateral direction of the fabric to be measured) are measured using a friction-sensitive tester KES SE (manufactured by KATOTECH corporation, japan), and the SMD of the fabric can be obtained by calculating the average value of each of the directions.
[ holding Member ]
As shown in fig. 1 to 4, in the present embodiment, the mask body 3 includes a holding member 41 provided on the upper end edge 3a side and holding a part of the upper end edge 3a in a predetermined shape. The holding member 41 is disposed between the synthetic fiber fabric 11 and the cellulose fabric 9, and is fixed so that the embossed portion 43 disposed therearound does not shift in position.
The holding member in the present invention is preferably formed of a flexible thermoplastic resin (e.g., plastic) or the like having a thin rectangular shape. The holding member 41 can be easily bent by the wearer and, when once deformed into a prescribed shape, holds the prescribed shape as long as external force is not applied again. Therefore, when the holding member 41 is deformed to match the shape of the nose after the mask 1 is worn by the wearer, the holding member 41 can hold the vicinity of the upper end edge 3a of the mask body 3 in a state of matching the shape of the nose of the wearer. This can prevent the holding member 41 from being separated from the upper edge 3a and the face of the wearer.
[ ear hanging part ]
The ear hook portion is preferably elastically stretchable and may be formed of a known material such as a nonwoven fabric, a woven fabric, a plastic film, or a rubber string.
Next, the operation of the mask 1 of the present embodiment will be described.
In the mask 1 of the present embodiment, the embossed portion 29 extending in the longitudinal direction (L) is provided in each of the pleat structure P and the side edge portions 3c and 3c, so that the shape retention of the three-dimensional structure of the mask body 3 is easily maintained during use. Further, since the mask body 3 is provided with the notch 15 at each of the side edge portions 3c, the notch 15 serves as a starting point for guiding the deformation, and thus, the mask body 3 can be easily attached to the face during use.
Further, since the mask 1 of the present embodiment includes the nose mask portion 39 made of a synthetic fiber fabric having predetermined friction characteristics and arranged to cover the nose of the wearer in the mask body 3, even if the nose mask portion 39 comes into contact with the face of the wearer, particularly, the nose portion is not easily irritated. Further, since the mask 1 of the present embodiment includes the nose piece portion 39 in the mask body 3, the cellulose cloth 9, which is higher in MIU or MMD than the synthetic fiber cloth constituting the nose piece portion 39 and easily gives irritation to the face of the wearer when it comes into contact with the face, is easily prevented from coming into direct contact with the face of the wearer, particularly, the nose portion. Therefore, mask 1 of the present embodiment easily suppresses discomfort on the face of the wearer, and is excellent in wearing comfort.
More specifically, since at least a part of the skin-facing surface S1 of the mask body 3 is made of the cellulose fabric 9, the moisture absorption property of the cellulose fiber easily causes the breath exhaled from the mask body 3 by the wearer to absorb moisture and evaporate, and is less likely to be stuffy. On the other hand, when the cellulose fabric 9 constituting a part of the skin facing surface S1 of the mask body 3 is formed of, for example, a woven or knitted fabric of a thread obtained by twisting cellulose-based short fibers such as gauze, the fiber ends of the cellulose-based short fibers easily protrude from the skin facing surface T1 in the thickness direction T, and the fiber ends may come into contact with the skin of the wearer to give irritation such as a tingle sensation to the wearer. However, by providing the mask body 3 with the nose mask portion 39 made of a synthetic fiber fabric at a predetermined position, the wearer can be made less likely to feel the stimulus and discomfort such as the tingling sensation.
Thus, the mask 1 of the present embodiment can improve the moisture absorption property of the mask 1, and can easily suppress the uncomfortable feeling of the face of the wearer, and is excellent in wearing feeling.
The mask 1 of the present embodiment includes the holding member 41 in the mask body 3, and the mask body 3 is particularly likely to be in close contact with the nasal root of the wearer at the portion where the holding member 41 is provided. Further, since the holding member 41 has rigidity, friction and the like are likely to occur at the nasion portion of the wearer through the skin facing surface S1 of the mask body 3 at the portion where the holding member 41 is provided, and irritation is particularly likely to be given to the wearer. Therefore, when the nose mask portion 39 is provided so as to cover the holding member 41 as in the present embodiment, it is easy to more reliably suppress the uncomfortable feeling of the wearer's face.
In addition, in mask 1 of the present embodiment, since the fabric constituting a part of skin-facing surface S1 of mask body 3 is made of a cellulose fabric, the moisture absorption property of the mask body can be more reliably ensured.
In the mask 1 of the present embodiment, since the fibers constituting the cellulose fabric 9 are formed by twisting a plurality of short fibers, the fiber ends of the short fibers and the short fibers extending from the fiber bundle formed by twisting the short fibers easily protrude from the skin-facing surface S1 of the cellulose fabric 9 in the direction in which the face of the wearer is located, and stimulation such as a tingling sensation is easily given to the face of the wearer, particularly the nose. However, since the mask 1 of the present embodiment includes the nose mask portion 39 having the above-described structure at a predetermined position, even if the mask body 3 is formed of the cellulose fabric 9 which easily gives a feeling of irritation to the face of the wearer, particularly, the nose portion as described above, the uncomfortable feeling of the face of the wearer is easily suppressed, and the wearing feeling is excellent.
In addition, in the mask 1 of the present embodiment, although the plurality of dot-shaped embossed portions 45 are provided on the synthetic fiber fabric constituting the mask portion 39, since the mask has SMDs within a predetermined range, it is difficult for the wearer to feel the unevenness of the nose mask portion 39 at the start of use of the mask 1, and it is easy to suppress the uncomfortable feeling of the wearer's face. Further, since the mask 1 has a plurality of predetermined dot-shaped embossed portions 45, the synthetic fiber fabric constituting the mask portion 39 is easily prevented from raising, and particularly, even when the mask is used for a certain period of time, the state in which the raising is prevented is easily maintained, and the uncomfortable feeling of the wearer's face is easily prevented. Therefore, the mask 1 of the present embodiment is easy to suppress the uncomfortable feeling of the face of the wearer at any stage of the use start stage and the stage when a certain amount of time has elapsed from the use start stage, and is excellent in wearing feeling.
In addition, in the mask 1 of the present embodiment, since the nose mask portion 39 and the pleated structure P are in the above-described positional relationship, the cellulose fabric 9 is more easily suppressed from coming into contact with the face of the wearer, and the uncomfortable feeling of the face of the wearer is more easily and reliably suppressed.
In the mask 1 of the present embodiment, the pleated structure P and the embossed portion 29 having the above-described structure make it easy to maintain the shape retention of the three-dimensional structure of the mask body 3 during use, and the mask body 3 is provided with the cut portion 15, so that the cut portion 15 serves as a starting point for deformation guidance, and therefore, the mask body 3 can be easily attached to the face during use.
Further, since the mask body 3 of the mask 1 of the present embodiment includes the side sheet 13 covering the cut portion 15 from the non-skin-facing surface side S2 and the skin-facing surface side S1 at least in the cut portion forming region 17 of each of the both side edge portions 3c, direct contact between the cut portion 15 and the face of the wearer is easily suppressed, and since the cut portion forming region 17 is configured to have lower rigidity than the cut portion non-forming region 19, discomfort of the face of the wearer is easily suppressed even when the cut portion forming region 17 contacts the face of the wearer.
Thus, the mask 1 of the present embodiment can improve the fit of the mask body 3 to the face when used, and can more reliably suppress the uncomfortable feeling of the wearer's face.
Further, in the mask 1 of the present embodiment, since the notch forming region 17 does not have the embossed portion, even if the notch forming region 17 comes into contact with the face of the wearer, the mask 1 of the present embodiment is less likely to irritate the face of the wearer, and is likely to more reliably suppress the uncomfortable feeling of the face of the wearer.
In the mask 1 of the present embodiment, the cellulose fabric 9 is woven, so that it can maintain moisture absorption and has air permeability, and is not easily stuffy. Further, since the synthetic fiber fabric 11 is fused at the notch 15 of each of the both side edge portions 3c of the mask body 3, the synthetic fiber fabric 11 and the cellulose fabric 9 are easily welded at the fused portion, so that the positional displacement of both fabrics is easily suppressed, and the strength of the mask 1 is easily and reliably ensured, and the shape retention of the three-dimensional structure of the mask body 3 is easily maintained, so that the fitting property of the mask body 3 to the face is easily and reliably ensured, and the uncomfortable feeling of the wearer's face is easily and reliably suppressed.
In addition, since the cellulose fabric 9 is covered with the synthetic fiber fabric 11 in the vicinity of the lower end edge 3b of the mask body 3 in the mask 1 of the present embodiment, the cellulose fabric 9 is less likely to directly contact the face of the wearer in the vicinity of the lower end edge 3 b. Therefore, mask 1 of the present embodiment can more reliably suppress the uncomfortable feeling of the face of the wearer.
In the mask 1 of the present embodiment, the rigidity near the lower end edge 3b is increased by the second folded portion 33 of the mask body 3, and therefore, the shape retention of the three-dimensional structure of the mask body 3 is improved. Therefore, the mask 1 of the present embodiment can more reliably ensure the fitting property of the mask body 3 to the face, and can more reliably suppress the uncomfortable feeling of the face of the wearer.
In the mask 1 of the present embodiment, the shape retention of the three-dimensional structure of the mask body 3 is more easily maintained by the auxiliary embossed portions 37. Therefore, the mask 1 of the present embodiment can more reliably ensure the fitting property of the mask body 3 to the face, and can more reliably suppress the uncomfortable feeling of the face of the wearer.
[ examples ]
Samples of masks (1) to (8) of examples 1 to 5 and comparative examples 1 to 3 were prepared, and evaluation tests of masks (1) to (8) were performed according to the following methods.
(example 1)
Is made into a mask (1) in whichIn the mask (1), the nose mask part having a size of 35mm in the longitudinal direction and 148mm in the transverse direction is constituted by a mask having a weight per unit area of 25g/m2The spunbonded nonwoven fabric a of (1), wherein the fabric constituting a part of the skin-facing surface of the mask body is formed of a gauze a having 90 woven threads.
The skin-facing side of the spunbonded nonwoven A had an MIU of 0.17 and an MMD of 0.011.
(example 2)
A mask (2) was prepared in which the mask (2) had a nose mask portion having the same size as in example 1 and had a basis weight of 30g/m2The spunbonded nonwoven fabric B of (1), wherein the fabric constituting a part of the skin-facing surface of the mask body is composed of a gauze a woven with 90 gauze pieces.
The skin-facing side of the spunbonded nonwoven B had an MIU of 0.14 and an MMD of 0.008.
(example 3)
A mask (3) was prepared in which the mask (3) had a nose mask portion of the same size as in example 1 and a weight per unit area of 40g/m2The hot air non-woven fabric C of (3), wherein the fabric constituting a part of the skin-facing surface of the mask body is formed of gauze a having 90 woven threads.
The MIU and MMD of the hot air nonwoven fabric C were 0.13 and 0.007, respectively, on the skin-facing side.
(example 4)
A mask (4) was prepared in which the mask (4) had a nose mask portion of the same size as in example 1 and a weight per unit area of 25g/m2The spunbonded nonwoven fabric D of (1), wherein the fabric constituting a part of the skin-facing surface of the mask body is formed of a gauze a having 90 woven threads.
The skin-facing side of the spunbonded nonwoven D had an MIU of 0.14 and an MMD of 0.012.
(example 5)
A mask (5) was produced, wherein the mask (5) had a nose mask portion having the same size as in example 1 and a weight per unit area of 23g/m2The spunbonded nonwoven fabric E of (1), wherein the fabric constituting a part of the skin-facing surface of the mask body is composed of gauze a having 90 woven threads.
The skin-facing side of the spunbonded nonwoven E had an MIU of 0.15 and an MMD of 0.010.
Comparative example 1
A mask (6) is produced in which the fabric constituting the skin-facing surface of the mask body of the mask (6) is composed of gauze a having 90 woven-in gauze pieces, and the mask (6) is not provided with a nose mask portion.
The skin facing side of gauze a had an MIU of 0.14 and an MMD of 0.020.
Comparative example 2
A mask (7) is produced, in the mask (7), the fabric forming the skin-facing surface of the mask body is formed by weaving 80 pieces of gauze b, and the mask (7) is not provided with a nose mask portion.
The skin-facing side of gauze b had an MIU of 0.20 and an MMD of 0.025.
Comparative example 3
A mask (8) was produced in which the fabric constituting the skin-facing surface of the mask body in the mask (8) had a basis weight of 20g/m2The mask (8) is not provided with a nose mask portion.
The skin-facing side of the spunbonded nonwoven F had an MIU of 0.24 and an MMD of 0.009.
(evaluation test method)
Each of the masks (1) to (8) was worn on 20 subjects for 5 minutes, and whether or not irritation or discomfort was felt on the face, particularly the nose. The mask (1) to (8) were evaluated as follows.
O: the number of subjects who responded with a stimulus and a sense of discomfort felt on the face, particularly on the nose, was 0 to 4.
And (delta): the subjects who responded with a stimulus and a sense of discomfort felt on the face, particularly on the nose, were 5 to 12 persons.
X: the subjects who responded with a stimulus and a sense of discomfort felt on the face, particularly on the nose, were 13 to 20 persons.
The MIU and MMD of the skin-facing surface of the fabric in contact with the nose of the wearer in masks (1) to (8) and the evaluation test results are shown in table 1 below.
[ Table 1]
The mask of the present invention is not limited to the above embodiments and examples, and may be appropriately combined with or modified within a range not departing from the object and spirit of the present invention.
In the present invention, ordinal numbers such as "first" and "second" are used to distinguish items to which the ordinal numbers are attached, and do not mean the order, priority, importance, and the like of the items.
Description of the reference numerals
1 gauze mask
3 mask body
3a upper end edge
3A upper edge part
3b lower end edge
3c side edge part
5 ear hanging part
7 base material sheet
9 cellulose fabric
11 synthetic fiber fabric
13 side sheet
15 cut out portion
17 cut-out forming region
19 non-forming region of notch
21a first base part
21b second base
21c third base
21d fourth base
23a first top
23b second top
23c third top
25 bottom
27a first fold
27b second fold
27c third fold
29 embossing part
31 first turning part
33 second folded part
35 embossing part
37 auxiliary embossing part
38 fixed end
39 nose mask part
40 free end
41 holding member
43 embossing part
45 dot-shaped embossed portion
S1 skin-facing side
S2 non-skin-facing side
S3-S9 lower hem part
P pleat structure
Length in the longitudinal direction (L) of the L1 first folded part 31
Length in the longitudinal direction (L) of the L2 second folded part 33
Length in the longitudinal direction (L) of the L3 nose piece portion 39
Claims (11)
1. A mask is provided with: has a mask body having a longitudinal direction and a lateral direction, and ear loops respectively extending from both side edge portions of the mask body extending along the longitudinal direction,
the mask body has a skin-facing surface and a non-skin-facing surface on the opposite side thereof, and has a fabric constituting a part of the skin-facing surface,
the mask body has a nose mask portion extending in the longitudinal direction from an upper end edge portion extending in the lateral direction so as to cover a nose of a wearer, and made of a synthetic fiber fabric having an average friction coefficient of 0.09 to 0.20 on a skin-facing surface and a variation of the average friction coefficient of 0.005 to 0.015,
the average friction coefficient of the skin-facing surface of the fabric exceeds 0.20 or the variation in the average friction coefficient exceeds 0.015.
2. A mask according to claim 1, wherein,
the fabric is a cellulose fabric.
3. A mask according to claim 1 or 2, wherein,
the fibers constituting the fabric are formed by twisting a plurality of short fibers.
4. A mask according to claim 1 or 2, wherein,
the synthetic fiber fabric has a plurality of dot-shaped embossed portions, the total area of the plurality of dot-shaped embossed portions being 15 to 30% of the area of the synthetic fiber fabric,
the surface roughness of the synthetic fiber fabric is 2.0 to 4.5 [ mu ] m.
5. A mask according to claim 1 or 2, wherein,
the mask body has a pleated structure for bulging to the non-skin-facing side when in use,
the pleat structure comprises a first base part and a second base part which respectively constitute the upper end edge part and the lower end edge of the mask body, and a pleat part between the first base part and the second base part,
the nose cup portion extends in the longitudinal direction beyond an end portion on the lower end edge side of the first base bottom portion.
6. A mask according to claim 1 or 2, wherein,
the mask body is provided with, at each of the both side edge portions: a notch forming region in which a notch is formed so as to be recessed toward the lateral central portion, and a notch non-forming region in which the notch is not formed,
the mask body has a side sheet covering the cut portion from a non-skin-facing surface side and a skin-facing surface side at least in the cut portion forming region of each of the both side edge portions,
the mask body has a side edge embossed portion extending in the longitudinal direction in the cut portion non-forming region of each of the both side edges,
the rigidity of the notch-forming region of each of the both side edge portions is lower than the rigidity of the notch-non-forming region of each of the both side edge portions.
7. A mask according to claim 6, wherein,
the mask body does not have the side edge embossed portion in the cut portion forming region of each of the both side edges.
8. A mask according to claim 6, wherein,
the mask body has a laminated structure in which a non-skin-facing surface side fabric is disposed at a position closer to the non-skin-facing surface side than the fabric,
the fabric is a woven fabric, the fabric is a knitted fabric,
the non-skin-facing surface fabric is composed of a synthetic fiber fabric,
the mask body is configured such that the non-skin-facing surface side fabric is fused at the cut portions of the both side edge portions.
9. A mask according to claim 8, wherein,
the non-skin-facing surface side fabric has a first folded portion folded back toward the skin-facing surface side at a lower end edge of the mask body extending in the lateral direction,
the first folding portion covers the fabric.
10. A mask according to claim 9 wherein,
the fabric has a second folded portion folded back toward the skin-facing surface side at the lower end edge,
the length of the first folded portion in the longitudinal direction is longer than the length of the second folded portion in the longitudinal direction.
11. A mask according to claim 1 or 2, wherein,
the mask body has an auxiliary embossed portion extending at least partially in the lateral direction at the longitudinal center portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-146964 | 2017-07-28 | ||
| JP2017146964A JP6462793B1 (en) | 2017-07-28 | 2017-07-28 | mask |
| PCT/JP2018/027540 WO2019022020A1 (en) | 2017-07-28 | 2018-07-23 | Mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110602959A CN110602959A (en) | 2019-12-20 |
| CN110602959B true CN110602959B (en) | 2021-12-10 |
Family
ID=65039719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880028488.5A Active CN110602959B (en) | 2017-07-28 | 2018-07-23 | Gauze mask |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6462793B1 (en) |
| KR (1) | KR20200037136A (en) |
| CN (1) | CN110602959B (en) |
| TW (1) | TWI769283B (en) |
| WO (1) | WO2019022020A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7113863B2 (en) * | 2020-03-27 | 2022-08-05 | ユニ・チャーム株式会社 | mask |
| US11766079B2 (en) | 2020-03-30 | 2023-09-26 | Under Armour, Inc. | Face mask and method of making the same |
| JPWO2021201221A1 (en) * | 2020-04-02 | 2021-10-07 | ||
| KR102225244B1 (en) * | 2020-04-06 | 2021-03-08 | 윤오혁 | Washable mask that blocks harmful substances |
| US11284654B2 (en) | 2020-06-10 | 2022-03-29 | Under Armour, Inc. | Breathable face mask |
| NO347189B1 (en) * | 2021-06-25 | 2023-06-26 | Helge Idar Karlsen | Mouth mask and method for the production and use thereof |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10258065A (en) * | 1997-03-17 | 1998-09-29 | Sanemu Package Kk | Face mask |
| WO2000071793A1 (en) * | 1999-05-24 | 2000-11-30 | Gunze Limited | Electro-magnetic wave shielding knitted material and electro-magnetic wave shielding clothes |
| JP4594180B2 (en) * | 2005-07-20 | 2010-12-08 | 大王製紙株式会社 | mask |
| JP2009056194A (en) * | 2007-09-03 | 2009-03-19 | Toray Ind Inc | Mask |
| JP3156690U (en) * | 2009-10-27 | 2010-01-14 | 熙樺株式会社 | mask |
| CN103221600B (en) * | 2010-11-25 | 2016-07-06 | 三井化学株式会社 | Spun-bonded non-woven duplexer |
| JP6008441B2 (en) * | 2012-06-15 | 2016-10-19 | 玉川衛材株式会社 | Sanitary mask and its substrate |
| JP5972092B2 (en) | 2012-08-06 | 2016-08-17 | サンエムパッケージ 株式会社 | mask |
| CN103190716B (en) * | 2013-04-02 | 2015-04-29 | 罗福国 | Preparation method of anti-poison carbonized bamboo fiber respirator capable of purifying respiratory air |
| CN103734939B (en) * | 2014-01-27 | 2014-12-31 | 山东爱地高分子材料有限公司 | High-heat-conducting durable mask |
| JP2015229815A (en) * | 2014-06-06 | 2015-12-21 | 住友精化株式会社 | Nonwoven fabric sheet |
| JP2017089067A (en) * | 2015-11-16 | 2017-05-25 | サクラボーロ株式会社 | Mask auxiliary member, mask set, and method for producing mask auxiliary member |
-
2017
- 2017-07-28 JP JP2017146964A patent/JP6462793B1/en active Active
-
2018
- 2018-07-23 KR KR1020197036207A patent/KR20200037136A/en not_active Application Discontinuation
- 2018-07-23 CN CN201880028488.5A patent/CN110602959B/en active Active
- 2018-07-23 WO PCT/JP2018/027540 patent/WO2019022020A1/en active Application Filing
- 2018-07-26 TW TW107125809A patent/TWI769283B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| TW201909960A (en) | 2019-03-16 |
| CN110602959A (en) | 2019-12-20 |
| JP2019026957A (en) | 2019-02-21 |
| KR20200037136A (en) | 2020-04-08 |
| WO2019022020A1 (en) | 2019-01-31 |
| JP6462793B1 (en) | 2019-01-30 |
| TWI769283B (en) | 2022-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110602959B (en) | Gauze mask | |
| JP3212967U (en) | mask | |
| EP0081943B1 (en) | Anti-fogging surgical mask | |
| JP4594180B2 (en) | mask | |
| CN208821775U (en) | Mask | |
| WO2014003156A1 (en) | Mask | |
| JP2007021025A5 (en) | ||
| CN110072597A (en) | Mask | |
| JP4594181B2 (en) | mask | |
| JP2018172807A (en) | Absorbent sheet and mask with the same | |
| CN113208207B (en) | Gauze mask | |
| WO2021131246A1 (en) | Disposable mask | |
| JP3150339U (en) | Mask liquid-impregnated sheet and mask | |
| KR20210109811A (en) | manufacturing method of disposable mask using nonwoven and stampler | |
| CN212574202U (en) | Medical protective mask | |
| CN214283419U (en) | Gauze mask | |
| JP7467533B2 (en) | Mask Support | |
| CN215455590U (en) | Three-dimensional mask | |
| CN215531848U (en) | Humidity-sensitive stepped color-changing mask | |
| CN217487729U (en) | Arc omega folding plane gauze mask | |
| JP2019063136A (en) | Sweat absorbing pad for armpit | |
| JP7018284B2 (en) | mask | |
| CN216776190U (en) | High elasticity gauze mask bandage | |
| CN213604556U (en) | Prevent cold-proof gauze mask of breathing out | |
| CN214283430U (en) | Novel non-woven fabric mask |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |