WO2017111782A1 - Masque facial et son procédé de fabrication - Google Patents

Masque facial et son procédé de fabrication Download PDF

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Publication number
WO2017111782A1
WO2017111782A1 PCT/US2015/000265 US2015000265W WO2017111782A1 WO 2017111782 A1 WO2017111782 A1 WO 2017111782A1 US 2015000265 W US2015000265 W US 2015000265W WO 2017111782 A1 WO2017111782 A1 WO 2017111782A1
Authority
WO
WIPO (PCT)
Prior art keywords
facemask
wearer
face
surface coating
top edge
Prior art date
Application number
PCT/US2015/000265
Other languages
English (en)
Inventor
Ajay Y. Houde
Original Assignee
Avent, Inc.
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 Avent, Inc. filed Critical Avent, Inc.
Priority to AU2015417917A priority Critical patent/AU2015417917A1/en
Priority to MX2018007583A priority patent/MX2018007583A/es
Priority to US16/064,629 priority patent/US20190000163A1/en
Priority to PCT/US2015/000265 priority patent/WO2017111782A1/fr
Priority to JP2018533176A priority patent/JP2019501307A/ja
Priority to CA3009620A priority patent/CA3009620A1/fr
Priority to EP15828695.5A priority patent/EP3393287A1/fr
Publication of WO2017111782A1 publication Critical patent/WO2017111782A1/fr

Links

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
    • A41D13/1161—Means for fastening to the user's head
    • 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
    • A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
    • A41D13/1123—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a duckbill configuration
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/14—Air permeable, i.e. capable of being penetrated by gases
    • A41D31/145—Air permeable, i.e. capable of being penetrated by gases using layered materials

Definitions

  • the present invention relates generally to the field of protective facemasks, and more specifically to a facemask without a metal nose wire and a manufacturing process for such facemasks.
  • filtration facemasks include a flexible, malleable metal piece, known as "nose wire", along the edge of the upper filtration panel to help conform the facemask to the user's nose and retain the facemask in place during use, as is well known.
  • the nose wire may have a varying length and width between different sizes and mask configurations, but is generally cut from a spool in a continuous in-line process cutting and crimping process and then laid directly onto a running carrier nonwoven web (which may include a plurality of nonwoven layers) along an edge that becomes a top edge of the finished mask. The edge is subsequently sealed with a binder material, which also encapsulates and
  • Attachment of the nose wires contributes to much of the time and complexity of current facemask production.
  • the nose wires of individual facemasks are difficult to recycle as they are metal and embedded into the nonwoven layers of the facemask.
  • the present invention addresses the aforementioned issues and provides a facemask without a nose wire that can be manufactured at the desired throughputs required during a pandemic as explained herein.
  • the present disclosure is directed to a protective facemask absent of a nose wire.
  • a facemask generally includes a body having a top edge and a bottom edge that cooperate with each other to define a periphery that contacts a wearer's face.
  • the top edge includes a treated zone containing a surface coating.
  • the surface coating contains a non-metal malleable material that can be manipulated so as to retain a shape that fits contours of the wearer's face.
  • the non-metal malleable material may include a polymeric material or a high molecular weight alcohol.
  • the polymeric material may include cyanoacrylates, lightweight polyester thermoplastics, silicones (e.g.
  • non-metal malleable material may include a water-based moldable modeling dough, a paraffin wax blended with a softener or plasticizer (such as petroleum jelly), or similar.
  • the surface coating may be applied to the top edge in a substantially thin-strip configuration.
  • the thin- strip configuration may have a generally rectangular cross-section.
  • the surface coating may be located in a substantially centered location along a length of top edge.
  • the body of the facemask may have any suitable configuration.
  • the body may have a duck-bill configuration with an upper portion and a lower portion secured together along one or more sides thereof. More specifically, in such an embodiment, the upper and lower portions of the body may be bonded together via at least one of heat or ultrasonic sealing along three sides. Further, at least one of the sides of the facemask may be left open. Thus, the open side of the top and bottom edges may cooperate with each other to define the periphery that contacts the wearer's face.
  • the upper and lower portions of the body may have complimentary shapes, including for example, complimentary trapezoidal or rectangular shapes.
  • the body may have a layered configuration having a generally rectangular shape that covers the nose and mouth of the wearer's face.
  • the body may be constructed, at least in part, of an air-permeable material.
  • the body may be constructed, at least in part, of a non-permeable material.
  • the facemask may include one or more securing members configured to secure the body of the facemask to the wearer's face. More specifically, in certain embodiments, the securing member(s) may be elastic straps, adjustable straps, or similar.
  • the present disclosure is directed to a method of manufacturing a protective facemask. More specifically, the method includes forming a filter body of the facemask having a top edge and a bottom edge. Further, the top and bottom edges cooperate with each other to define a periphery that contacts a wearer's face. The method also includes applying a surface coating to at least a portion of the top edge. The surface coating includes a non-metal malleable material that can be manipulated so as to retain a shape that fits contours of the wearer's face. It should also be understood that the method may further include any of the additional steps and/or features as described herein.
  • the step of forming the filter body may include providing an upper portion and a lower portion of a filter body of the facemask.
  • the method may include securing the upper and lower portions of the filter body along one or more sides thereof while leaving at least one of the sides of the facemask open, e.g. via at least one of heat or ultrasonic sealing.
  • the open side defines a top edge and a bottom edge that cooperate with each other to define a periphery that contacts a wearer's face.
  • the method may also include applying the surface coating to at least a portion of the top edge so as to form a thin-strip configuration.
  • the method may include attaching one or more securing members to the filter body, the securing members configured to secure the facemask to the wearer's face.
  • FIG. 1 illustrates a perspective view of a conventional respiratory facemask worn by a user, the facemask incorporating a nose wire to conform the facemask to the user's face;
  • FIG. 2 illustrates a top view of the conventional facemask of FIG. 1 is a folded state
  • FIG. 3 illustrates a top view of the conventional facemask of FIG. 1 , particularly illustrating a portion of the nose wire exposed;
  • FIG. 4 illustrates a cross-sectional view of the facemask of FIG. 2 taken along line 2-2;
  • FIG. 5 illustrates a top view of the one embodiment of a facemask according to the present disclosure, particularly illustrating a treated zone applied to the top edge thereof;
  • FIG. 6 illustrates a cross-sectional view of the facemask of FIG. 5 taken along line 5-5;
  • FIG. 7 illustrates a flow diagram of one embodiment of a method for manufacturing a facemask according to the present disclosure.
  • the present disclosure is directed to a protective facemask absent of a nose wire that can be used in multiple applications, such as in the medical field or during a pandemic.
  • the facemask protective includes a body having a top edge and a bottom edge. The top and bottom edges cooperate with each other to define a periphery that contacts a wearer's face.
  • the top edge includes a treated zone containing a surface coating. More specifically, the surface coating contains a non-metal malleable material (e.g. a polymeric material or a high molecular weight alcohol) that can be manipulated so as to retain a shape that fits contours of the wearer's face.
  • a non-metal malleable material e.g. a polymeric material or a high molecular weight alcohol
  • the surface coating replaces the nose wire of conventional facemasks and provides many advantages not present in the prior art.
  • the polymeric material can be carefully chosen such that the final coating is safe for human skin contact while also remaining flexible and conformable.
  • the surface coating allows a user to manipulate the treated zone to take a shape of his or her nose such that the facemask remains secure during use.
  • the surface coating can be applied at high-speeds, thereby reducing manufacturing time and costs. Further, as the present facemasks do not contain metal, such facemasks can be easily recycled.
  • FIG. 1 Various styles and configurations of conventional facemasks are well known, including flat pleated facemasks and duck-bill facemasks. For illustrative purposes only, aspects of the present facemasks and methods are described herein with reference to a particular type of respirator facemask often referred to in the art as a "duckbill" mask, as illustrated in FIG. 1.
  • a conventional facemask 1 1 (e.g., a duckbill facemask) having a nose wire 26 is illustrated on the face of wearer 12.
  • the mask 11 includes filter body 14 that is secured to the wearer 12 by means of resilient and elastic straps or securing members 16 and 18.
  • the filter body 14 includes an upper portion 20 and a lower portion 22, both of which have complimentary trapezoidal shapes and are preferably bonded together such as by heat and/or ultrasonic sealing along three sides. Bonding in this manner adds important structural integrity to mask 1 1.
  • the fourth side of the mask 1 1 is open and includes a top edge 24 and a bottom edge 38, which cooperate with each other to define the periphery of the mask 1 1 that contacts the wearer's face.
  • the top edge 24 is arranged to receive an elongated malleable member 26 (FIGS. 2-4) in the form of a flat metal ribbon or wire (referred to herein as a "nose wire").
  • FIG. 3 illustrates the nose wire 26 partially exposed and partially embedded in the facemask 1 1.
  • the nose wire 26 is provided so that the top edge 24 of the mask 11 can be configured to closely fit the contours of the nose and cheeks of wearer 12.
  • the nose wire 26 is typically constructed from an aluminum strip with a rectangular cross-section. With the exception of having the nose wire 26 located along top edge 24 of the upper portion 20 of the mask 11 , the upper and lower portions 20 and 22 may be identical.
  • the mask 1 1 has the general shape of a cup or cone when placed on the face of wearer 12 and thus provides "off-the-face” benefits of a molded-cone style mask while still being easy for wearer 12 to carry mask 1 1 in a pocket prior to use.
  • "Off-the-face” style.masks provide a larger breathing chamber as compared to soft, pleated masks which contact a substantial portion of the wearer's face. Therefore, "off-the-face” masks permit cooler and easier breathing.
  • the nose wire 26 is preferably positioned in the center of top edge 24 and has a length in the range of fifty percent (50%) to seventy percent (70%) of the total length of the top edge 24.
  • 20 and 22 of the mask 11 may include multiple layers each having an outer mask layer 30 and inner mask layer 32.
  • This intermediate layer 34 is typically constructed from a melt-blown polypropylene, extruded polycarbonate, melt-blown polyester, or a melt-blown urethane.
  • top edge 24 of the mask 1 1 is faced with an edge binder 36 that extends across the open end of mask 11 and covers the nose wire 26.
  • edge binder 40 is encompassed by an edge binder 40.
  • the edge binders 36 and 40 are folded over and bonded to the respective edges 24, 30 after placement of the nose wire 26 along the top edge 24.
  • the edge binders 36, 40 may be constructed from a spun-laced polyester material.
  • the present disclosure is directed to an improved facemask 100 that does not include a nose wire.
  • the facemask 100 of the present disclosure includes a treated zone 106 containing a surface coating 08 rather than having a nose wire 26 as discussed in regards to FIGS. 1 -4.
  • the mask 100 includes body 1 14 that is secured to the wearer by means of resilient and/or elastic straps (e.g. such as the securing members 16, 18 shown in FIG. 2).
  • the body 114 may include an upper portion 120 and a lower portion 122, both of which have
  • the fourth side of the mask 100 is open and includes a top edge 124 and a bottom edge 138, which cooperate with each other to define the periphery of the mask 100 that contacts the wearer's face.
  • the facemask 100 is illustrated as having a "duckbill" configuration, it should be understood that any suitable facemask configuration is suitable for the surface coating as described herein. More specifically, as shown, the top edge 124 is arranged to receive the surface coating 108 in the form of a thin-strip
  • the thin-strip configuration may have a generally rectangular cross-section.
  • the surface coating 108 contains a non-metal malleable material that can be manipulated by a user so as to retain a shape that contours with a wearer's face.
  • the non-metal malleable material may be a polymeric material or a high molecular weight alcohol.
  • the polymeric material may include cyanoacrylates, lightweight polyester thermoplastics, silicones (e.g. polydimethyl siloxane or room temperature curable silicone) or similar.
  • the high molecular weight alcohols may include any suitable wax or waxlike material.
  • the high molecular weight alcohols may include any suitable sticky and/or malleable substance.
  • the non-metal malleable material may include a water-based moldable modeling dough such as described in U.S. Patent Number 7,897,659 entitled “Water-based moldable modeling dough and method preparing therefor” filed on January 23, 2009 which is incorporated herein by reference in its entirety.
  • the non-metal malleable material may include paraffin wax blended with a softener or plasticizer (such as petroleum jelly) or similar.
  • the surface coating 108 is provided so that the top edge 124 of the mask 100 can be configured to closely fit the contours of the nose and cheeks of wearer 12.
  • the polymeric material may be chosen such that the final coating is safe for human skin contact while also remaining flexible and
  • the edge binders may be eliminated so as to further reduce production time for the facemasks.
  • the non-metal malleable material may be applied between the edge binders.
  • the present facemask 100 may include multiple layers each having an outer mask layer 30 and inner mask layer 32. Located between the outer and inner mask layers 130, 132 are one or more intermediate filtration layers 134. Further, as mentioned, the intermediate layer(s) 134 may be constructed from a melt-blown polypropylene, extruded polycarbonate, melt-blown polyester, or a melt-blown urethane. In addition, the upper and lower portions 120, 122 of the body 114 may have complimentary shapes, including but not limited to complimentary trapezoidal shapes (as shown), complimentary rectangular shapes (as generally known in the art), or any other suitable shape.
  • the body 114 of the facemask 100 may be constructed of an air-permeable material.
  • the body 1 14 is configured to allow the free passage of air but prevent the permeation of germs therethrough. Such materials are particularly useful for constructing facemasks that can be used during pandemics.
  • the method 200 includes forming a filter body of the facemask having a top edge and a bottom edge. As such, the top and bottom edges cooperate with each other to define a periphery that contacts a wearer's face.
  • the body of the facemask may be a single- or multi-layered non-woven web having a generally rectangular or square shape.
  • the method 200 may include forming the body 1 14 of the facemask 100 from an upper portion 120 and a lower portion 122.
  • the method 200 includes securing the upper and lower portions 120, 122 of the filter body 1 14 along one or more sides thereof while leaving at least one of the sides of the facemask open.
  • the open side defines a top edge 124 and a bottom edge 138 that cooperate with each other to define a periphery that contacts a wearer's face.
  • the method 200 also includes applying a surface coating 108 to at least a portion of the top edge 124. More specifically, the step of applying the surface coating 108 to the top edge 124 may include dispensing, dispersing, or printing the surface coating 108 onto the top edge 124 of the facemask.
  • the surface coating 108 can be any suitable material that can be applied to the top edge 124 using the techniques as described herein.
  • the method 200 may include applying the surface coating 108 to at least a portion of the top edge 124 so as to form a thin-strip configuration.
  • the surface coating 108 may be applied substantially in the center of top edge 124 and may have a length in the range of fifty percent (50%) to seventy percent (70%) of the total length of the top edge 124.
  • the surface coating 108 that is applied to the top edge 124 of the facemask includes a non-metal malleable material that can be manipulated so as to retain a shape that fits contours of the wearer's face.
  • the non-metal malleable material may include a polymeric material or a high molecular weight alcohol such as those described herein.
  • the method 200 may include attaching one or more securing members (e.g. elastic or adjustable straps) to the filter body 114.
  • the securing members are configured to secure the facemask 100 to the wearer's face.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

La présente invention concerne un masque facial de protection (100) sans fil de nez, qui peut être utilisé dans de multiples applications, en particulier dans le domaine médical. Le masque facial comprend un corps ayant un bord supérieur (124) et un bord inférieur. Les bords supérieur et inférieur coopèrent l'un avec l'autre pour définir une périphérie qui est en contact avec le visage d'un porteur. En outre, le bord supérieur comprend une zone traitée (106) contenant un revêtement de surface (108). Le revêtement de surface contient un matériau malléable non-métallique qui peut être manipulé de façon à conserver une forme qui s'adapte aux contours du visage du porteur.
PCT/US2015/000265 2015-12-23 2015-12-23 Masque facial et son procédé de fabrication WO2017111782A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AU2015417917A AU2015417917A1 (en) 2015-12-23 2015-12-23 Facemask and method of manufacturing same
MX2018007583A MX2018007583A (es) 2015-12-23 2015-12-23 Mascarilla y metodo para fabricarla.
US16/064,629 US20190000163A1 (en) 2015-12-23 2015-12-23 Facemask and Method of Manufacturing Same
PCT/US2015/000265 WO2017111782A1 (fr) 2015-12-23 2015-12-23 Masque facial et son procédé de fabrication
JP2018533176A JP2019501307A (ja) 2015-12-23 2015-12-23 フェイスマスク及びその製造方法
CA3009620A CA3009620A1 (fr) 2015-12-23 2015-12-23 Masque facial et son procede de fabrication
EP15828695.5A EP3393287A1 (fr) 2015-12-23 2015-12-23 Masque facial et son procédé de fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2015/000265 WO2017111782A1 (fr) 2015-12-23 2015-12-23 Masque facial et son procédé de fabrication

Publications (1)

Publication Number Publication Date
WO2017111782A1 true WO2017111782A1 (fr) 2017-06-29

Family

ID=55236887

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2015/000265 WO2017111782A1 (fr) 2015-12-23 2015-12-23 Masque facial et son procédé de fabrication

Country Status (7)

Country Link
US (1) US20190000163A1 (fr)
EP (1) EP3393287A1 (fr)
JP (1) JP2019501307A (fr)
AU (1) AU2015417917A1 (fr)
CA (1) CA3009620A1 (fr)
MX (1) MX2018007583A (fr)
WO (1) WO2017111782A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220235503A1 (en) * 2021-01-28 2022-07-28 Aviram F Industries Ltd. Apparatus and method for manufacturing masks

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
US20210307424A1 (en) * 2020-04-07 2021-10-07 Wellspan Health Filtering face-piece respirator
US10888130B1 (en) * 2020-07-17 2021-01-12 Pegasos One, LLC Face shield for personal protection
US11206880B1 (en) * 2020-07-17 2021-12-28 Pegasos One, LLC Face shield for personal protection
USD984783S1 (en) * 2022-10-16 2023-05-02 Sewing Cat, LLC Articulate mandible mask
USD984782S1 (en) * 2022-10-16 2023-05-02 Sewing Cat, LLC Articulate mandible mask

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US6055982A (en) * 1993-12-15 2000-05-02 Kimberly-Clark Worldwide, Inc. Disposable face mask with enhanced fluid barrier
US20070068529A1 (en) * 2005-09-27 2007-03-29 Suresh Kalatoor Respirator that uses a polymeric nose clip
US20080023006A1 (en) * 2006-07-26 2008-01-31 3M Innovative Properties Company Respirator That Uses A Predefined Curved Nose Foam
US7897659B2 (en) 2009-01-23 2011-03-01 Huizhou Seasoar Art Supplies Co., Ltd. Water-based moldable modeling dough and method preparing therefor
GB2507296A (en) * 2012-10-25 2014-04-30 Jsp Ltd Wearable protective device with removable strap connecting device

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US5307796A (en) * 1990-12-20 1994-05-03 Minnesota Mining And Manufacturing Company Methods of forming fibrous filtration face masks
CA2132555A1 (fr) * 1993-12-15 1995-06-16 Kevin K. Brunson Masque a aerosol jetable avec protection faciale
WO2010127161A2 (fr) * 2009-04-29 2010-11-04 Koehler Richard H Masque facial chirurgical, y compris masques réutilisables, avec valves d'inspiration et d'expiration filtrées
JP5476112B2 (ja) * 2009-12-17 2014-04-23 大王製紙株式会社 マスク
BR112015022768A2 (pt) * 2013-03-14 2017-07-18 Scott Tech Inc respirador com material de mudança de fase
US9655392B2 (en) * 2013-05-10 2017-05-23 Jeffrey Mekler Filtering face mask
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Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
US6055982A (en) * 1993-12-15 2000-05-02 Kimberly-Clark Worldwide, Inc. Disposable face mask with enhanced fluid barrier
US20070068529A1 (en) * 2005-09-27 2007-03-29 Suresh Kalatoor Respirator that uses a polymeric nose clip
US20080023006A1 (en) * 2006-07-26 2008-01-31 3M Innovative Properties Company Respirator That Uses A Predefined Curved Nose Foam
US7897659B2 (en) 2009-01-23 2011-03-01 Huizhou Seasoar Art Supplies Co., Ltd. Water-based moldable modeling dough and method preparing therefor
GB2507296A (en) * 2012-10-25 2014-04-30 Jsp Ltd Wearable protective device with removable strap connecting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220235503A1 (en) * 2021-01-28 2022-07-28 Aviram F Industries Ltd. Apparatus and method for manufacturing masks

Also Published As

Publication number Publication date
CA3009620A1 (fr) 2017-06-29
MX2018007583A (es) 2018-11-09
AU2015417917A1 (en) 2018-07-19
US20190000163A1 (en) 2019-01-03
JP2019501307A (ja) 2019-01-17
EP3393287A1 (fr) 2018-10-31

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