WO2020075716A1 - 使い捨てマスク - Google Patents

使い捨てマスク Download PDF

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Publication number
WO2020075716A1
WO2020075716A1 PCT/JP2019/039670 JP2019039670W WO2020075716A1 WO 2020075716 A1 WO2020075716 A1 WO 2020075716A1 JP 2019039670 W JP2019039670 W JP 2019039670W WO 2020075716 A1 WO2020075716 A1 WO 2020075716A1
Authority
WO
WIPO (PCT)
Prior art keywords
face
opening
mask
skin
inner peripheral
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.)
Ceased
Application number
PCT/JP2019/039670
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
良平 古市
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koken Co Ltd
Koken Ltd
Original Assignee
Koken Co Ltd
Koken Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koken Co Ltd, Koken Ltd filed Critical Koken Co Ltd
Publication of WO2020075716A1 publication Critical patent/WO2020075716A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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

Definitions

  • the invention relates to a disposable mask.
  • a mask main body having a cup-shaped covering portion that covers a wearer's mouth and nose, and a face-contacting body (face-contacting member) joined to a peripheral portion of the covering portion, and a mask main body
  • a disposable mask is disclosed that includes a pair of ties extending from opposite edges.
  • the face-contact pad is made of an elastic material such as urethane foam.
  • the face-contacting body in a normal wearing state, can exhibit the required sealing property by being in close contact with the face, but the wearer makes a loud voice or lacks in extension. Then, when the mouth is wide open, the face-contact body may not be able to follow the movement of the wearer's mouth, which may impair the feeling of wearing and may give the wearer a discomfort.
  • the present invention is an improvement of the conventional invention, and provides a disposable mask in which the fitting feeling is not impaired by maintaining fitability to the face even when the mask wearer moves the mouth relatively large. Is an issue.
  • the present invention relates to a disposable mask having a mask body having a cup-shaped covering portion having a front-rear direction and a face-contacting body joined to a peripheral portion of the covering portion.
  • the face-contacting body has a fixing portion joined to the peripheral portion, an annular inner peripheral wall portion extending inward from the fixing portion, and a central opening surrounded by the inner peripheral wall portion.
  • the face-contacting body includes the pad member located on the front surface side and the skin side sheet located on the rear surface side, and these are joined only via the fixing portion extending to the outer periphery. Therefore, even when the wearer opens his / her mouth wide, the skin-side sheet is deformed so as to fill the gap between the pad member and the face, and a good wearing feeling can be maintained.
  • FIG. 2 The perspective view which looked at the disposable mask concerning the 1st invention of this application from the front side.
  • Rear view of the mask Sectional drawing which follows the III-III line of FIG. 2 in the mounting state of a mask. Sectional drawing similar to FIG. 3 in a state in which the wearer has opened his / her mouth wide.
  • the rear view of the mask similar to FIG. 2 which concerns on 2nd Embodiment.
  • Sectional drawing similar to FIG. 4 of the mask which concerns on 2nd Embodiment.
  • the rear view of the mask similar to FIG. 2 which concerns on 3rd Embodiment.
  • the disposable mask 10 has a vertical direction Y and a horizontal direction X, and a front-back direction Z, and has a cup-shaped covering portion (filter portion) 20 and a peripheral portion of the covering portion 20.
  • the mask main body 11 having the joined face-to-face body 30 and the pair of tightening cords 12 extending from both side edges of the mask main body 11 are provided.
  • the mask body 11 further has a longitudinal centerline P that divides the dimension in the horizontal direction X into two equal parts and a transverse centerline Q that divides the dimension in the vertical direction Y into two equal parts.
  • the covering portion 20 is formed into a cup shape so as to cover the mouth and nose of the wearer's face, the front surface 21a that is the bottom of the cup, the rear surface 21b that abuts on the wearer's face, and the cup. And a peripheral wall portion 23 that is located between the front surface 21a and the peripheral edge portion 22 and defines an internal space.
  • the covering portion 20 is formed of a main body sheet made of a breathable sheet material such as a fibrous nonwoven fabric containing a thermoplastic synthetic fiber, a woven fabric, a perforated plastic film, or a laminated sheet of these, and is used for intake and exhalation of inspiration by the wearer. It functions as a filter part that allows the exhalation and inhalation to be filtered.
  • a breathable sheet material such as a fibrous nonwoven fabric containing a thermoplastic synthetic fiber, a woven fabric, a perforated plastic film, or a laminated sheet of these
  • the face-contacting body 30 has an annular shape along the peripheral edge portion 22 of the covering portion 20, and a fixing portion 31 fixed to the rear surface of the peripheral edge portion 22 at a seal line (welding line) 15 that goes around the peripheral edge portion 22 once. It has an inner peripheral wall portion 32 extending inward from the portion 31 and a central opening 33 surrounded by the inner peripheral wall portion 32.
  • the seal line 15 is applied to the peripheral portion 22 by pressurizing and heating the fixed portion 31 of the face-contacting body 30 and the peripheral portion 22 of the covering portion 20 in a superposed state or by locally or locally pressurizing the superposed portion.
  • the contained thermoplastic synthetic fibers are melted and solidified and integrally joined to the face-contacting body 30.
  • the seal strength of the seal line 15 can be further increased. In this way, the outer peripheral edges of the covering portion 20 and the face-contacting body 30 are sealed by the seal line 15, so that the outside air can be prevented from entering the inside of the mask 10 from between them.
  • the face-contacting body 30 has a three-dimensional shape with irregularities along the undulations of the face, and particularly has an upper end portion 32A that contacts the wearer's nose bridge and a lower end portion 32B that contacts the lower jaw.
  • the tightening string 12 is connected to the mask main body 11 via a plastic locking tool 13 which is fixed by a seal line 15 while being interposed between the covering portion 20 and the face-contacting body 30.
  • the face-contacting body 30 may have a flat shape and a shape in which the face-contacting body 30 abuts on the face in plan view, instead of the three-dimensional shape having irregularities.
  • the face-contact body 30 includes a pad member 40 located on the front surface 21a side and a skin-side sheet 50 located on the rear surface 21b side of the pad member 40.
  • the pad member 40 can be formed from a resilient elastic foam that can be elastically restored, such as urethane foam, polystyrene foam, or polyethylene urethane foam.
  • the skin-side sheet 50 can be formed from a plastic film or a fibrous nonwoven fabric that is thinner and more flexible than the pad member 40, preferably non-breathable and excellent in airtightness.
  • the skin-side sheet 50 preferably has elasticity, and for example, an elastic fiber nonwoven fabric containing polyurethane-based elastic fibers or elastic fibers made of a thermoplastic elastomer as a raw material, a urethane sheet, or an elastic laminated sheet of polyester and a polyurethane film. It can be formed from a stretchable (elastic) sheet.
  • the pad member 40 has an inner peripheral wall portion 42 annularly extending inward from the fixing portion 31, and an inner opening (first opening) 43 located in the center and surrounded by the inner peripheral wall portion 42.
  • the skin-side sheet 50 has an inner peripheral wall portion 52 annularly extending inward from the fixing portion 31, and an outer opening (second opening) 53 located in the center and surrounded by the inner peripheral wall portion 52.
  • the inner peripheral wall portion 32 of the face-contacting body 30 is formed of the inner peripheral wall portion 42 of the pad member 40 and the inner peripheral wall portion 52 of the skin-side sheet 50, which overlap each other in the front-rear direction Z.
  • the center opening 33 of the face-contacting body 30 is formed so that the inner opening 43 of the pad member 40 and the outer opening 53 of the skin side sheet 50 communicate with each other, and the opening edge 33a thereof is the outer opening 53 of the skin side sheet 50. Is defined by the opening edge 53a.
  • the pad member 40 and the skin side sheet 50 are arranged so as to overlap each other in the front-rear direction Z, are joined only via the fixing portion 31, and the inner peripheral wall portions 42, 52 extending inward from the fixing portion 31. Are not joined together. Therefore, the inner peripheral wall portion 42 of the pad member 40 and the inner peripheral wall portion 52 of the skin-side sheet 50 are separated from each other, and can be freely bent and deformed without interfering with each other. Since the face-to-face body 30 has such a configuration, for example, two layers of a foamed elastic body layer (inner layer) and a fibrous nonwoven fabric layer (outer layer) bonded to the entire rear surface of the foamed elastic body layer with an adhesive are provided.
  • the basic structure is different from the conventional face-contacting body having a structure.
  • the area of the inner opening 43 of the pad member 40 is larger than the area of the outer opening 53 of the skin-side sheet 50.
  • the opening edge 43 a of the inner opening 43 is located radially outward of the opening edge 53 a of the outer opening 53 having a substantially circular shape.
  • the opening edge 43a of the inner opening 43 has an upper portion that is convex upward and a lower portion that is convex downward.
  • the opening edge 53a of the outer opening 53 has an upper portion that is sharper and more convex than the opening edge 43a, and a lower portion that slightly curves in the lateral direction X and extends. Since the opening edge 43a of the inner opening 43 and the opening edge 53a of the outer opening 53 have such a shape, the opening edge 43a and the opening edge 53a are closest to each other in the upper portion and are most separated from each other in the lower portion.
  • the skin-side sheet 50 has an inner extending portion 57 that extends inward in the radial direction from the inner opening 43 of the pad member 40 and extends annularly, and the area of the lower portion 57B of the inner extending portion 57 is upward.
  • the area W is larger than the area of the portion 57A
  • the vertical dimension Y2 of the lower portion 57B on the vertical centerline P is larger than the vertical dimension Y1 of the upper portion 57A on the vertical centerline P. Has become.
  • the face-contacting body 30 in a normal wearing state of the mask 10, the face-contacting body 30 is brought into close contact with the face to exert a high sealing property, and the invasion of outside air into the inside of the mask 10 is blocked.
  • the skin-side sheet 50 joined only through the fixing portion 31 is arranged on the outer surface side of the pad member 40 having the resilience, in the mounted state, it follows the contoured shape of the face. As described above, the pad member 40 is elastically deformed, and the skin-side sheet 50 is brought into close contact with the face.
  • FIG. 4 shows the state of the mask 10 in a state where the wearer talks in a loud voice, makes a large gap, and opens the mouth 4 relatively wide.
  • a conventional mask having a face-contact body made of only a repulsive material
  • the face-contact body is fitted in a deformed state along the undulating shape of the face, so high sealing performance is exhibited and dust etc. It is possible to effectively suppress the intrusion into the mask. Therefore, even if such a conventional mask is kept in a normal wearing state, the airtightness of the inside can be sufficiently maintained, but the wearer suddenly talks in a loud voice or makes a big break.
  • the face-contact body cannot follow the sudden movement of the face (particularly the lower jaw), and a slight gap is formed between the face-contact body and the face, which impairs the wearing feeling. As a result, the wearer may feel discomfort.
  • the skin-side sheet 50 joined only through the fixing portion 31 is arranged on the inner surface side of the pad member 40 having the repulsion property, the undulation of the face in the mounted state.
  • the wearer suddenly opens the mouth 4 relatively large and the face-contact body 30 Even if it is not possible to follow the sudden movement of the lower jaw 5, the thin skin-side sheet 50 is deformed and enters so as to fill the space between the face-contacting body 30 and the lower jaw 5, and there is a slight gap between them.
  • the skin-side sheet 50 is partially bent and deformed in accordance with the downward movement of the lower jaw 5 of the wearer to form a gap between the pad member 40 and the lower jaw 5. Are effectively suppressed.
  • the inner peripheral wall portion 52 of the skin-side sheet 50 has a diameter larger than that of the opening edge 43 a of the inner opening 43. It has an inner extending portion 57 extending inward in the direction. Therefore, when the mask 10 is attached, the inner extending portion 57 is located further in front of the inner peripheral wall portion 42 of the pad member 40 located in front of the skin-side sheet 50, and the pad member is deformed flexibly. It is fitted to the face so that it can be inserted between 40 and the face.
  • the face-contacting body 30 is stably and planarly fitted to the face by the pad member 40 having the repulsion property on the outer side in the radial direction, so that the mask body 11 is not affected by an external impact. It is possible to suppress a large displacement from the face.
  • the skin-side sheet 50 which is relatively thin and highly flexible, is deformed so as to enter between the pad member 40 and the face, so to speak, in a line shape. Since it fits to the face, the wearer exhibits high followability to the movement of the lower jaw 5 even when the wearer opens the mouth 4 wide, and a gap is formed between the face-contacting body 30 and the face. Can be suppressed.
  • the skin-side sheet 50 has elasticity, the skin-side sheet 50 is more likely to be deformed along the uneven shape of the face, and when the wearer widens the mouth 4, the movement is extended following the movement, It can exhibit higher fit.
  • the area and the dimension in the vertical direction Y of the lower portion 57B are larger than the area and the dimension in the vertical direction Y of the upper portion 57A, respectively.
  • FIG. 5 is a rear view similar to FIG. 2 of the mask 10 according to the second embodiment of the present invention
  • FIG. 6 is a sectional view similar to FIG. 4, showing a mounted state of the mask 10 according to the second embodiment. is there.
  • the basic configuration of the mask 10 according to the second embodiment is the same as that of the mask 10 according to the first embodiment, and is the same as that of the mask 10 according to the first embodiment, which will be described below. It should be appreciated that the configuration of the mask 10 according to one embodiment is employed.
  • a plurality of notches 70, 71 are arranged in the face-contacting body 30.
  • the cutouts 70, 71 are arranged only on the pad member 40 of the face-contacting body 30, and the cutouts 70, 71 are not arranged on the skin side sheet 50.
  • the notches 70 and 71 are located symmetrically with respect to the longitudinal centerline P, and face the locking tools for locking the lower tightening cord 12, respectively.
  • the notches 70 and 71 extend obliquely downward from the opening edge 43a of the inner opening 43, and have a tapered shape that gradually narrows from the base end located on the opening edge 43a side to the tip located on the fixed portion 31 side.
  • FIG. 7 is a rear view similar to FIG. 2 of the mask 10 according to the third exemplary embodiment of the present invention.
  • the basic configuration of the mask 10 according to the third embodiment is the same as that of the mask 10 according to the first embodiment, and is the same as that of the mask 10 according to the first embodiment, which will be described below. It should be appreciated that the configuration of the mask 10 according to one embodiment is employed.
  • the entire rear surface of the inner peripheral wall portion 42 of the pad member 40 is bonded to the front surface of the skin-side sheet 50 via the bonding area 80.
  • the bonding area 80 is formed by applying an adhesive in a dot shape by spraying, but the adhesive is applied in various known patterns such as a spiral shape and a linear shape, or an ultrasonic wave is used. It can be formed by applying known welding means such as welding or heat welding. As described above, even when the entire rear surface of the inner peripheral wall portion 42 of the pad member 40 of the face-contacting body 30 is fixed, the mask 10 is further radially inward from the first opening 43 of the inner peripheral wall portion 42.
  • a disposable mask including a mask body having a cup-shaped covering portion having a front-back direction and a face-contacting body joined to a peripheral edge portion of the covering portion, the face-contacting body is joined to the peripheral edge portion.
  • a disposable mask including a mask body having a cup-shaped covering portion having a front-back direction and a face-contacting body joined to a peripheral edge portion of the covering portion, the face-contacting body is joined to the peripheral edge portion.
  • a fixing portion an annular inner peripheral wall portion extending inward from the fixing portion, a central opening surrounded by the inner peripheral wall portion, a pad member located on the front surface side, and a skin side sheet located on the rear surface side.
  • the central opening of the face-contacting body is formed of a first opening located in the center of the pad member and a second opening located in the center of the skin-side sheet communicating with the first opening.
  • the area of the first opening is larger than the area of the second opening, and the entire rear surface of the inner peripheral wall portion of the pad member is fixed to the inner peripheral wall portion of the skin-side sheet.
  • the present invention disclosed in the above paragraph 0036 can include at least the following embodiments.
  • the embodiments can be adopted separately or in combination with each other.
  • the central opening of the face-contacting body is formed of a first opening located in the center of the pad member and a second opening located in the center of the skin-side sheet communicating with the first opening.
  • the area of the first opening is larger than the area of the second opening.
  • the skin side sheet has elasticity.
  • the pad member has a notch extending from the inner peripheral edge of the inner peripheral wall portion toward the fixing portion.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Pulmonology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
PCT/JP2019/039670 2018-10-12 2019-10-08 使い捨てマスク Ceased WO2020075716A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018193559A JP7289493B2 (ja) 2018-10-12 2018-10-12 使い捨てマスク
JP2018-193559 2018-10-12

Publications (1)

Publication Number Publication Date
WO2020075716A1 true WO2020075716A1 (ja) 2020-04-16

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PCT/JP2019/039670 Ceased WO2020075716A1 (ja) 2018-10-12 2019-10-08 使い捨てマスク

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TW (1) TW202021640A (https=)
WO (1) WO2020075716A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022088489A1 (zh) * 2020-10-30 2022-05-05 上海捷儿金科技股份有限公司 立体凉感密封圈及其制备方法和用途

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111685416A (zh) * 2020-05-27 2020-09-22 重庆市妇幼保健院 一种口罩及其使用方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6426049U (https=) * 1987-03-19 1989-02-14
US6196223B1 (en) * 1998-04-10 2001-03-06 William A. Belfer Strapless respiratory facial mask for customizing to the wearer's face
JP2003320041A (ja) * 2002-05-02 2003-11-11 Shigematsu Works Co Ltd マスク
JP2012010973A (ja) * 2010-06-30 2012-01-19 Koken Ltd 簡易マスク
JP2017193801A (ja) * 2016-04-21 2017-10-26 興研株式会社 使い捨てマスク

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6426049U (https=) * 1987-03-19 1989-02-14
US6196223B1 (en) * 1998-04-10 2001-03-06 William A. Belfer Strapless respiratory facial mask for customizing to the wearer's face
JP2003320041A (ja) * 2002-05-02 2003-11-11 Shigematsu Works Co Ltd マスク
JP2012010973A (ja) * 2010-06-30 2012-01-19 Koken Ltd 簡易マスク
JP2017193801A (ja) * 2016-04-21 2017-10-26 興研株式会社 使い捨てマスク

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022088489A1 (zh) * 2020-10-30 2022-05-05 上海捷儿金科技股份有限公司 立体凉感密封圈及其制备方法和用途

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JP2020059953A (ja) 2020-04-16
JP7289493B2 (ja) 2023-06-12
TW202021640A (zh) 2020-06-16

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