DE69104732T2 - Verfahren zur herstellung von filtermasken aus fasern. - Google Patents

Verfahren zur herstellung von filtermasken aus fasern.

Info

Publication number
DE69104732T2
DE69104732T2 DE69104732T DE69104732T DE69104732T2 DE 69104732 T2 DE69104732 T2 DE 69104732T2 DE 69104732 T DE69104732 T DE 69104732T DE 69104732 T DE69104732 T DE 69104732T DE 69104732 T2 DE69104732 T2 DE 69104732T2
Authority
DE
Germany
Prior art keywords
fibers
filter masks
producing filter
producing
masks
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.)
Expired - Fee Related
Application number
DE69104732T
Other languages
English (en)
Other versions
DE69104732D1 (de
Inventor
Joseph Kronzer
Roger Stumo
James Dyrud
Harvey Berg
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24537715&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69104732(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE69104732D1 publication Critical patent/DE69104732D1/de
Publication of DE69104732T2 publication Critical patent/DE69104732T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • 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
    • A41D13/1138—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration
    • A41D13/1146—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration obtained by moulding
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D04H1/544—Olefin series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D04H1/55—Polyesters
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0216—Bicomponent or multicomponent fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0681—The layers being joined by gluing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/08—Special characteristics of binders
    • B01D2239/086—Binders between particles or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)
  • Filtering Materials (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Treatment Of Fiber Materials (AREA)
DE69104732T 1990-12-20 1991-11-15 Verfahren zur herstellung von filtermasken aus fasern. Expired - Fee Related DE69104732T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/632,964 US5307796A (en) 1990-12-20 1990-12-20 Methods of forming fibrous filtration face masks
PCT/US1991/008531 WO1992011405A1 (en) 1990-12-20 1991-11-15 Methods of forming fibrous filtration face masks

Publications (2)

Publication Number Publication Date
DE69104732D1 DE69104732D1 (de) 1994-11-24
DE69104732T2 true DE69104732T2 (de) 1995-05-11

Family

ID=24537715

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69104732T Expired - Fee Related DE69104732T2 (de) 1990-12-20 1991-11-15 Verfahren zur herstellung von filtermasken aus fasern.

Country Status (12)

Country Link
US (2) US5307796A (de)
EP (1) EP0563135B1 (de)
JP (1) JP3023173B2 (de)
KR (1) KR100221707B1 (de)
AR (1) AR245791A1 (de)
AU (1) AU651415B2 (de)
BR (1) BR9107253A (de)
CA (1) CA2096636C (de)
DE (1) DE69104732T2 (de)
DK (1) DK0563135T3 (de)
MX (2) MX9102585A (de)
WO (1) WO1992011405A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007050369A1 (de) * 2006-10-24 2008-04-30 Weinmann Geräte für Medizin GmbH + Co. KG Bebänderte Haltevorrichtung für Beatmungsmasken

Families Citing this family (156)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150703A (en) 1987-10-02 1992-09-29 Tecnol Medical Products, Inc. Liquid shield visor for a surgical mask with a bottom notch to reduce glare
US5307796A (en) * 1990-12-20 1994-05-03 Minnesota Mining And Manufacturing Company Methods of forming fibrous filtration face masks
US5753343A (en) * 1992-08-04 1998-05-19 Minnesota Mining And Manufacturing Company Corrugated nonwoven webs of polymeric microfiber
US5643507A (en) * 1993-08-17 1997-07-01 Minnesota Mining And Manufacturing Company Filter media having an undulated surface
JP3380251B2 (ja) * 1993-08-17 2003-02-24 ミネソタ・マイニング・アンド・マニュファクチュアリング・カンパニー 起伏表面を有する濾過材
US5695376A (en) * 1994-09-09 1997-12-09 Kimberly-Clark Worldwide, Inc. Thermoformable barrier nonwoven laminate
DE69513677T2 (de) * 1994-10-13 2000-05-25 Minnesota Mining & Mfg Nasenspange für atemschutzmaske
USD412573S (en) * 1994-10-14 1999-08-03 3M Innovative Properties Company Nose clip for a filtering face mask
CA2160282A1 (en) * 1995-02-14 1996-08-15 Michael R. Gildersleeve Supported membrane assembly
AU2095895A (en) * 1995-03-09 1996-10-02 Minnesota Mining And Manufacturing Company Fold flat respirators and processes for preparing same
US5665235A (en) * 1995-05-09 1997-09-09 Pall Corporation Supported fibrous web assembly
DE19518285C2 (de) * 1995-05-18 2000-06-21 Lohmann Gmbh & Co Kg Mechanisch verfestigter Vliesstoff zur Herstellung von formstabilen Formteilen
US5804512A (en) * 1995-06-07 1998-09-08 Bba Nonwovens Simpsonville, Inc. Nonwoven laminate fabrics and processes of making same
US5620785A (en) * 1995-06-07 1997-04-15 Fiberweb North America, Inc. Meltblown barrier webs and processes of making same
US5817584A (en) * 1995-12-22 1998-10-06 Kimberly-Clark Worldwide, Inc. High efficiency breathing mask fabrics
US5851355A (en) * 1996-11-27 1998-12-22 Bba Nonwovens Simpsonville, Inc. Reverse osmosis support substrate and method for its manufacture
US6041782A (en) * 1997-06-24 2000-03-28 3M Innovative Properties Company Respiratory mask having comfortable inner cover web
US6732733B1 (en) 1997-10-03 2004-05-11 3M Innovative Properties Company Half-mask respirator with head harness assembly
US6062221A (en) 1997-10-03 2000-05-16 3M Innovative Properties Company Drop-down face mask assembly
GB9723740D0 (en) 1997-11-11 1998-01-07 Minnesota Mining & Mfg Respiratory masks incorporating valves or other attached components
US6102039A (en) * 1997-12-01 2000-08-15 3M Innovative Properties Company Molded respirator containing sorbent particles
US6026511A (en) * 1997-12-05 2000-02-22 3M Innovative Properties Company Protective article having a transparent shield
US6161540A (en) * 1998-04-28 2000-12-19 Cabot Safety Intermediate Corporation Respirator filter having a pleated filter layer
EP0989221A3 (de) * 1998-09-22 2001-07-11 Tietex International Ltd. Atmungsfähige geformte Struktur
US6139308A (en) * 1998-10-28 2000-10-31 3M Innovative Properties Company Uniform meltblown fibrous web and methods and apparatus for manufacturing
US6156680A (en) * 1998-12-23 2000-12-05 Bba Nonwovens Simpsonville, Inc. Reverse osmosis support substrate and method for its manufacture
US6604524B1 (en) * 1999-10-19 2003-08-12 3M Innovative Properties Company Manner of attaching component elements to filtration material such as may be utilized in respiratory masks
US6729332B1 (en) 1999-10-22 2004-05-04 3M Innovative Properties Company Retention assembly with compression element and method of use
US6460539B1 (en) 2000-09-21 2002-10-08 3M Innovative Properties Company Respirator that includes an integral filter element, an exhalation valve, and impactor element
US7601262B1 (en) 2001-06-22 2009-10-13 Argonide Corporation Sub-micron filter
US6718981B2 (en) 2002-02-07 2004-04-13 Venanzio Cardarelli Dental mask
US6923182B2 (en) * 2002-07-18 2005-08-02 3M Innovative Properties Company Crush resistant filtering face mask
US6827764B2 (en) * 2002-07-25 2004-12-07 3M Innovative Properties Company Molded filter element that contains thermally bonded staple fibers and electrically-charged microfibers
US6988500B1 (en) 2003-05-15 2006-01-24 J. Palmero Sales Company, Inc. Fog free medical face mask
US6998009B2 (en) * 2003-06-10 2006-02-14 Ut-Battelle, Llc Filter and method of fabricating
SG115600A1 (en) * 2003-12-31 2005-10-28 Megatech Scientific Pte Ltd Respiratory mask with inserted spacer
AU2005304879B2 (en) 2004-11-05 2010-02-04 Donaldson Company, Inc. Filter medium and structure
US8057567B2 (en) 2004-11-05 2011-11-15 Donaldson Company, Inc. Filter medium and breather filter structure
US8021457B2 (en) * 2004-11-05 2011-09-20 Donaldson Company, Inc. Filter media and structure
EP1846136A2 (de) 2005-02-04 2007-10-24 Donaldson Company, Inc. Aerosol abscheider
ATE442893T1 (de) 2005-02-22 2009-10-15 Donaldson Co Inc Aerosolabscheider
US20070023047A1 (en) * 2005-07-26 2007-02-01 Moshe Zalsman Face mask particularly useful as medical face mask
US8171933B2 (en) * 2005-08-25 2012-05-08 3M Innovative Properties Company Respirator having preloaded nose clip
US7390343B2 (en) * 2005-09-12 2008-06-24 Argonide Corporation Drinking water filtration device
EP1931441A1 (de) * 2005-09-12 2008-06-18 Argonide Corporation Elektrostatischer luftfilter
US20070068529A1 (en) * 2005-09-27 2007-03-29 Suresh Kalatoor Respirator that uses a polymeric nose clip
US7503326B2 (en) * 2005-12-22 2009-03-17 3M Innovative Properties Company Filtering face mask with a unidirectional valve having a stiff unbiased flexible flap
EP2104451A4 (de) * 2006-01-25 2010-01-06 Pipex Inc Tröpfchenauffangvorrichtungen und verfahren zur erkennung und kontrolle von durch luft übertragbaren erkrankungen mittels rfid
US8182568B2 (en) * 2006-04-26 2012-05-22 Volo Giovanni D Two-stage air filter and mask incorporating the same
ITPS20060012A1 (it) * 2006-05-18 2007-11-19 Cl Com Srl Nuova maschera di protezione contro gli agenti biologici a due porzioni.
US9770058B2 (en) 2006-07-17 2017-09-26 3M Innovative Properties Company Flat-fold respirator with monocomponent filtration/stiffening monolayer
US7905973B2 (en) * 2006-07-31 2011-03-15 3M Innovative Properties Company Molded monocomponent monolayer respirator
EA008896B1 (ru) * 2006-09-04 2007-08-31 Закрытое Акционерное Общество «Северо-Западный Научно-Технический Центр "Портативные Средства Индивидуальной Защиты" Имени А.А. Гуняева» Способ скрепления термопластичных слоистых материалов и устройство для его осуществления
US20080099022A1 (en) 2006-10-26 2008-05-01 3M Innovative Properties Company Respirator That Uses A Predefined Nose Foam Shape
EP2117674A1 (de) 2007-02-22 2009-11-18 Donaldson Company, Inc. Filterelement und verfahren
WO2008103821A2 (en) 2007-02-23 2008-08-28 Donaldson Company, Inc. Formed filter element
US20080251209A1 (en) * 2007-04-16 2008-10-16 Hung-Ho Chen Automatic elastic band fusion apparatus for face mask
US20080271740A1 (en) 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free flat-fold respirator that includes a graspable tab
US9770611B2 (en) 2007-05-03 2017-09-26 3M Innovative Properties Company Maintenance-free anti-fog respirator
US20080271739A1 (en) 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free respirator that has concave portions on opposing sides of mask top section
US20090000624A1 (en) * 2007-06-28 2009-01-01 3M Innovative Properties Company Respirator having a harness and methods of making and fitting the same
US20090014006A1 (en) * 2007-07-10 2009-01-15 Levin Eric M Novelty mask cover
US9387131B2 (en) 2007-07-20 2016-07-12 Curt G. Joa, Inc. Apparatus and method for minimizing waste and improving quality and production in web processing operations by automated threading and re-threading of web materials
US8398793B2 (en) 2007-07-20 2013-03-19 Curt G. Joa, Inc. Apparatus and method for minimizing waste and improving quality and production in web processing operations
BRPI0817051A2 (pt) 2007-09-20 2019-09-24 3M Innovative Properties Co "respirador com peça facial filtrante"
US8066006B2 (en) * 2007-10-09 2011-11-29 3M Innovative Properties Company Filtering face-piece respirator having nose clip molded into the mask body
RU2423158C1 (ru) 2007-11-27 2011-07-10 3М Инновейтив Пропертиз Компани Лицевая маска с однонаправленным затвором
BRPI0819048C8 (pt) * 2007-12-06 2018-08-07 3M Innovative Properties Co "meio filtrante de eletreto e método de preparo de uma manta de eletreto"
US8061356B2 (en) 2008-02-19 2011-11-22 Prestige Ameritech Ltd. Directional flat face mask
US20090211581A1 (en) * 2008-02-26 2009-08-27 Vishal Bansal Respiratory mask with microporous membrane and activated carbon
US20090235934A1 (en) * 2008-03-24 2009-09-24 3M Innovative Properties Company Filtering face-piece respirator having an integrally-joined exhalation valve
JP2009254418A (ja) * 2008-04-11 2009-11-05 Three M Innovative Properties Co マスク用ノーズクリップ及びマスク
US7765698B2 (en) * 2008-06-02 2010-08-03 3M Innovative Properties Company Method of making electret articles based on zeta potential
US20110137082A1 (en) * 2008-06-02 2011-06-09 Li Fuming B Charge-enhancing additives for electrets
WO2009148744A2 (en) * 2008-06-02 2009-12-10 3M Innovative Properties Company Electret webs with charge-enhancing additives
US11083916B2 (en) 2008-12-18 2021-08-10 3M Innovative Properties Company Flat fold respirator having flanges disposed on the mask body
US9885154B2 (en) 2009-01-28 2018-02-06 Donaldson Company, Inc. Fibrous media
US20100252047A1 (en) 2009-04-03 2010-10-07 Kirk Seth M Remote fluorination of fibrous filter webs
WO2011031276A1 (en) 2009-09-11 2011-03-17 Matich Ronald D Face mask with seal within seal and optional bridging seal
US8881729B2 (en) 2009-09-18 2014-11-11 3M Innovative Properties Company Horizontal flat-fold filtering face-piece respirator having indicia of symmetry
US8640704B2 (en) 2009-09-18 2014-02-04 3M Innovative Properties Company Flat-fold filtering face-piece respirator having structural weld pattern
EP2298096A2 (de) 2009-09-18 2011-03-23 3M Innovative Properties Co. Filtermaske mit Anzeiger von Erfassungsmittel
US8528560B2 (en) 2009-10-23 2013-09-10 3M Innovative Properties Company Filtering face-piece respirator having parallel line weld pattern in mask body
KR101869568B1 (ko) 2009-12-30 2018-06-20 쓰리엠 이노베이티브 프로퍼티즈 컴파니 마스크 본체 내에 팽창 메시를 갖는 안면부 여과식 호흡기
US8728369B2 (en) 2009-12-30 2014-05-20 3M Innovative Properties Company Method of making an auxetic mesh
US8176918B2 (en) * 2010-05-12 2012-05-15 Mei-Sheng Teng Three dimensional face mask
US20120017911A1 (en) 2010-07-26 2012-01-26 3M Innovative Properties Company Filtering face-piece respirator having foam shaping layer
US9603752B2 (en) 2010-08-05 2017-03-28 Curt G. Joa, Inc. Apparatus and method for minimizing waste and improving quality and production in web processing operations by automatic cuff defect correction
CN103313759A (zh) 2010-11-05 2013-09-18 塞路特里斯有限责任合伙公司 符合人体工程学的保护性空气过滤装置及其制造方法
US20120125341A1 (en) 2010-11-19 2012-05-24 3M Innovative Properties Company Filtering face-piece respirator having an overmolded face seal
TWI435741B (zh) 2010-11-22 2014-05-01 Kang Na Hsiung Entpr Co Ltd The method of manufacturing a cup-type masks and its products
US8794238B2 (en) 2010-12-28 2014-08-05 3M Innovative Properties Company Splash-fluid resistant filtering face-piece respirator
US20130063587A1 (en) 2011-03-09 2013-03-14 Curt G. Joa, Inc. Apparatus and method for minimizing waste and improving quality and production in web processing operations by automatic narrow web twist defect correction
JP5946622B2 (ja) * 2011-10-06 2016-07-06 Ｊｘエネルギー株式会社 網状体の製造方法
US9027554B2 (en) 2011-12-06 2015-05-12 3M Innovative Properties Company Respirator having foam shaping layer with recessed regions surrounding air passageways
US20130146061A1 (en) * 2011-12-09 2013-06-13 3M Innovative Properties Company Respirator made from in-situ air-laid web(s)
USD668395S1 (en) * 2012-03-20 2012-10-02 Joseph Stork Smith Blackout mask cover
US9108968B2 (en) 2012-04-25 2015-08-18 Ppg Industries Ohio, Inc. Methods for producing 1,5,7-triazabicyclo[4.4.0]dec-5-ene by reaction of a disubstituted carbodiimide and dipropylene triamine
US10245537B2 (en) 2012-05-07 2019-04-02 3M Innovative Properties Company Molded respirator having outer cover web joined to mesh
KR20150021564A (ko) 2012-06-27 2015-03-02 아고나이드 코포레이션 알루미늄 처리된 규산질 흡수제 및 이를 삽입한 정수 장치
US20140041671A1 (en) 2012-08-10 2014-02-13 3M Innovative Properties Company Refill filtering face-piece respirator
US20140182600A1 (en) 2012-12-27 2014-07-03 3M Innovative Properties Company Filtering face-piece respirator having welded indicia hidden in pleat
US10182603B2 (en) 2012-12-27 2019-01-22 3M Innovative Properties Company Filtering face-piece respirator having strap-activated folded flange
US11116998B2 (en) 2012-12-27 2021-09-14 3M Innovative Properties Company Filtering face-piece respirator having folded flange
US9408424B2 (en) 2013-01-10 2016-08-09 3M Innovative Properties Company Filtering face-piece respirator having a face seal comprising a water-vapor-breathable layer
US9247788B2 (en) 2013-02-01 2016-02-02 3M Innovative Properties Company Personal protective equipment strap retaining devices
US9259058B2 (en) 2013-02-01 2016-02-16 3M Innovative Properties Company Personal protective equipment strap retaining devices
US20150034098A1 (en) 2013-07-11 2015-02-05 Aqua Turf International, Inc. Air filtration mask with opening front cover
MX2016001665A (es) 2013-08-08 2016-10-05 H Koehler Richard Sello de mascara facial para usarse con dispositivos respiratorios y mascaras faciales quirurgicas, que tienen una geometria definida anatomicamente que se conforma a zonas de ajuste criticas de la anatomia facial humana, y que puede ser adaptado activamente a la cara del usuario.
US9770057B2 (en) 2013-08-29 2017-09-26 3M Innovative Properties Company Filtering face-piece respirator having nose cushioning member
US9603396B2 (en) 2013-08-29 2017-03-28 3M Innovative Properties Company Filtering face-piece respirator having nose notch
WO2015073395A1 (en) 2013-11-15 2015-05-21 3M Innovative Properties Company Respirator having noncircular centroid-mounted exhalation valve
CN103704906B (zh) * 2013-12-07 2016-06-29 成都和煦医疗科技有限公司 乳胶贴合棉蜂窝口罩及其生产工艺
KR20160127090A (ko) 2014-02-27 2016-11-02 쓰리엠 이노베이티브 프로퍼티즈 캄파니 투각 구조를 갖는 탄성 스트랩을 구비한 호흡기
US10040621B2 (en) 2014-03-20 2018-08-07 3M Innovative Properties Company Filtering face-piece respirator dispenser
EP2957314B1 (de) * 2014-06-17 2018-03-21 ResMed Ltd. Dichtungsbildungsabschnitt, Kissen und Polster für eine Patientenschnittstelle
US9868002B2 (en) 2014-07-17 2018-01-16 3M Innovative Properties Company Respirator including contrast layer
JP2017525862A (ja) 2014-08-18 2017-09-07 スリーエム イノベイティブ プロパティズ カンパニー ポリマーネットを含むレスピレータ及びポリマーネットを含むレスピレータを形成する方法
RU2017114935A (ru) 2014-10-31 2018-12-04 3М Инновейтив Пропертиз Компани Респиратор с гофрированным фильтрующим конструктивным компонентом
GB201508114D0 (en) 2015-05-12 2015-06-24 3M Innovative Properties Co Respirator tab
US9468783B1 (en) 2015-05-20 2016-10-18 Marc Irwin Epstein Draping particulate filter for the nostrils and mouth and method of manufacture thereof
US9463340B1 (en) 2015-05-20 2016-10-11 Marc Irwin Epstein Draping particulate filter for the nostrils and mouth and method of manufacture thereof
USD788373S1 (en) * 2015-09-09 2017-05-30 Masket, LLC Filtering facemask holder
RU2015141569A (ru) 2015-09-30 2017-04-05 3М Инновейтив Пропертиз Компани Складной респиратор с лицевой маской и клапаном выдоха
WO2017066284A1 (en) 2015-10-12 2017-04-20 3M Innovative Properties Company Filtering face-piece respirator including functional material and method of forming same
WO2017083289A1 (en) 2015-11-11 2017-05-18 3M Innovative Properties Company Shape retaining flat-fold respirator
US20190000163A1 (en) * 2015-12-23 2019-01-03 Avent, Inc. Facemask and Method of Manufacturing Same
KR102558116B1 (ko) 2016-09-16 2023-07-21 쓰리엠 이노베이티브 프로퍼티즈 캄파니 호기 밸브 및 이를 포함하는 호흡기
WO2018081227A1 (en) 2016-10-28 2018-05-03 3M Innovative Properties Company Respirator including reinforcing element
RU2671037C2 (ru) 2017-03-17 2018-10-29 3М Инновейтив Пропертиз Компани Складной респиратор с лицевой маской типа ffp3
AU201712054S (en) * 2017-04-06 2017-05-02 Healthy Breath Ltd A Mask
USD837456S1 (en) * 2017-05-11 2019-01-01 Medline Industries, Inc. Adjustable mask
US10850141B2 (en) 2017-05-11 2020-12-01 Medline Industries, Inc. Mask with self-adherent securement strap and methods therefor
EP3651887A4 (de) 2017-07-14 2021-04-14 3M Innovative Properties Company Adapter zum fördern mehrerer flüssigkeitsströme
USD844253S1 (en) * 2018-03-12 2019-03-26 Makrite Industries Inc. Face mask
USD892410S1 (en) * 2018-12-27 2020-08-04 Alexandru David Dust mask
CN114173904A (zh) 2019-06-28 2022-03-11 3M创新有限公司 过滤器组件、预过滤器组件和包括它们的呼吸器
EP3990685A1 (de) 2019-06-28 2022-05-04 3M Innovative Properties Co. Kern-mantel-fasern, schleiffaservlies und atemschutzgerät damit
US11219255B2 (en) 2020-04-08 2022-01-11 Terry Earl Brady Self-contained, mobile breathing apparatus or appliance that supplies pathogen and endotoxin free, rhythmically breathable air to the wearer or treated space through active, continuous bio-deactivation and destruction of bacteria, fungi, viral and allergenic/antigenic matter safely when using benign, household, rechargeable filtration media
WO2021204469A1 (en) 2020-04-08 2021-10-14 Formfiber Denmark Aps A method of manufacturing a filtration material for hygienic use, air filtration material and uses of the filtration material
TR202007418A2 (tr) * 2020-05-12 2021-01-21 Telasis Tekstil Ueruenleri San Tic A S Yüksek etki̇nli̇kte fi̇ltrasyon yüzeyleri̇ni̇n üreti̇m yöntemi̇ ve bunlarin maske üzeri̇nde uygulamasi
CN111501159A (zh) * 2020-05-26 2020-08-07 际华三五四二纺织有限公司 一种可水洗、可重复使用的口罩面料及其织造工艺
US20200376305A1 (en) 2020-06-10 2020-12-03 Noah Lang Personal protective equipment system for safe air, train or bus travel protecting against infectious agents including novel coronavirus - covid-19
JP1683242S (ja) * 2020-06-19 2021-04-12 防じんマスク
US11786853B2 (en) 2020-08-10 2023-10-17 F.N. Smith Corporation Facepiece electrostatic charging devices and methods thereof
USD991442S1 (en) * 2020-09-07 2023-07-04 Alexandru David Dust mask
USD968589S1 (en) * 2020-09-22 2022-11-01 Maria Ximena Osorio Face mask
USD941989S1 (en) * 2020-09-25 2022-01-25 Huhtamaki, Inc. Respiratory mask
USD960352S1 (en) * 2020-10-13 2022-08-09 Air Flo Labs, Llc Face mask
EP4237601A1 (de) 2020-11-02 2023-09-06 3M Innovative Properties Company Kern-hülle-fasern, vliesfaserbahn und filterartikel damit
USD1025345S1 (en) * 2020-11-25 2024-04-30 Rootous System Inc. Air purification mask
US20230368239A1 (en) * 2020-11-30 2023-11-16 Wells Fargo Bank, N.A. System and method for sensor-based mask detection
WO2022130080A1 (en) 2020-12-18 2022-06-23 3M Innovative Properties Company Electrets comprising a substituted cyclotriphosphazene compound and articles therefrom
CN113279147A (zh) * 2021-05-11 2021-08-20 深圳市华必达科技有限公司 一种氧化石墨烯抗菌改性高强度熔喷无纺滤布及制法
USD982155S1 (en) * 2021-09-10 2023-03-28 Vitacore Industries Inc. Respirator with shield
USD983964S1 (en) * 2022-03-10 2023-04-18 Staeger Clear Packaging Limited Protective face mask

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064329A (en) * 1959-08-19 1962-11-20 Minnesota Mining & Mfg Molded nonwoven fabric articles
SE301692B (de) * 1961-02-24 1968-06-17 Minnesota Mining & Mfg
US3320346A (en) * 1961-07-17 1967-05-16 Jantzen Inc Method of producing fabric laminated articles
US3225768A (en) * 1961-07-17 1965-12-28 Jantzen Inc Fabric laminated brassiere
US3167816A (en) * 1961-11-30 1965-02-02 Internat Fabric Molders Inc Apparatus for making brassieres and other garments
US3765998A (en) * 1971-01-11 1973-10-16 Allied Chem Shapable fiber-reinforced low molecular weight polyethylene terephthalate
US3799174A (en) * 1972-06-26 1974-03-26 Int Fabric Molders Inc Molded breast cup and method of making the same
US3891377A (en) * 1973-06-22 1975-06-24 Int Fabric Molders Inc Apparatus for fabric molding
US4258093A (en) * 1979-04-26 1981-03-24 Brunswick Corporation Molding nonwoven, needle punched fabrics into three dimensional shapes
FR2480807A1 (fr) * 1980-04-18 1981-10-23 Seplast Sa Procede de traitement superficiel d'une couche filtrante fibreuse, non tissee et tres aeree, formant electret et son application aux filtres et aux masques respiratoires notamment
US4850347A (en) * 1980-06-09 1989-07-25 Metric Products, Inc. Face mask
JPS59137552A (ja) * 1983-01-20 1984-08-07 チッソ株式会社 不織布
CA1243963A (en) 1983-02-01 1988-11-01 Harvey J. Berg Molded nonwoven shaped articles
US4729371A (en) * 1983-10-11 1988-03-08 Minnesota Mining And Manufacturing Company Respirator comprised of blown bicomponent fibers
US4547420A (en) * 1983-10-11 1985-10-15 Minnesota Mining And Manufacturing Company Bicomponent fibers and webs made therefrom
US4536440A (en) * 1984-03-27 1985-08-20 Minnesota Mining And Manufacturing Company Molded fibrous filtration products
US4807619A (en) * 1986-04-07 1989-02-28 Minnesota Mining And Manufacturing Company Resilient shape-retaining fibrous filtration face mask
JPH0791760B2 (ja) * 1986-10-17 1995-10-04 チッソ株式会社 不織布及びその製造方法
US5066351A (en) * 1987-05-20 1991-11-19 The Boeing Company Hot/cold press forming methods for shaping thermoformable materials
US4813948A (en) * 1987-09-01 1989-03-21 Minnesota Mining And Manufacturing Company Microwebs and nonwoven materials containing microwebs
DK245488D0 (da) * 1988-05-05 1988-05-05 Danaklon As Syntetisk fiber samt fremgangsmaade til fremstilling deraf
US4892695A (en) * 1988-06-10 1990-01-09 Manville Corporation Process for making a moldable fibrous mat
US5019311A (en) * 1989-02-23 1991-05-28 Koslow Technologies Corporation Process for the production of materials characterized by a continuous web matrix or force point bonding
GR1001027B (el) * 1989-04-07 1993-03-31 Johnson & Johnson Medical Βελτιωμενο μεσο φιλτραρισματος και μασκα καλυψεως προσωπου η οποια περιλαμβανει αυτο.
DE69018332T2 (de) * 1989-07-28 1995-10-26 Nippon Oil Co Ltd Verfahren zur kontinuierlichen Herstellung eines Polyethylenmaterials mit hoher Festigkeit und hohem Modul.
US5307796A (en) * 1990-12-20 1994-05-03 Minnesota Mining And Manufacturing Company Methods of forming fibrous filtration face masks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007050369A1 (de) * 2006-10-24 2008-04-30 Weinmann Geräte für Medizin GmbH + Co. KG Bebänderte Haltevorrichtung für Beatmungsmasken

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JPH06504329A (ja) 1994-05-19
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KR100221707B1 (ko) 1999-09-15
KR930703496A (ko) 1993-11-30
US5307796A (en) 1994-05-03
EP0563135B1 (de) 1994-10-19
US7131442B1 (en) 2006-11-07
CA2096636C (en) 2003-02-25
BR9107253A (pt) 1994-03-22
AU651415B2 (en) 1994-07-21
AU9081891A (en) 1992-07-22
DK0563135T3 (da) 1995-04-18
AR245791A1 (es) 1994-02-28
MX9102585A (es) 1992-07-01
CA2096636A1 (en) 1992-06-21
WO1992011405A1 (en) 1992-07-09
DE69104732D1 (de) 1994-11-24
JP3023173B2 (ja) 2000-03-21

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