JP4304322B2 - 快適な内側カバーウェブを有する呼吸マスク - Google Patents

快適な内側カバーウェブを有する呼吸マスク Download PDF

Info

Publication number
JP4304322B2
JP4304322B2 JP50470099A JP50470099A JP4304322B2 JP 4304322 B2 JP4304322 B2 JP 4304322B2 JP 50470099 A JP50470099 A JP 50470099A JP 50470099 A JP50470099 A JP 50470099A JP 4304322 B2 JP4304322 B2 JP 4304322B2
Authority
JP
Japan
Prior art keywords
mask
shell
cover web
layer
fibers
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
JP50470099A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002505607A5 (enExample
JP2002505607A (ja
Inventor
エー． アンガジバンド，セイド
エム． チャルマーズ，タミー
エフ． ディラッド，ジェームズ
エー． モーティマー，サイモン
ジェイ． チューマン，スコッド
ワイ． タマキ，シンシア
ジェイ． ボストック，グラハム
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
3M 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
Application filed by 3M Co filed Critical 3M Co
Publication of JP2002505607A publication Critical patent/JP2002505607A/ja
Publication of JP2002505607A5 publication Critical patent/JP2002505607A5/ja
Application granted granted Critical
Publication of JP4304322B2 publication Critical patent/JP4304322B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
JP50470099A 1997-06-24 1998-06-16 快適な内側カバーウェブを有する呼吸マスク Expired - Fee Related JP4304322B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/881,348 1997-06-24
US08/881,348 US6041782A (en) 1997-06-24 1997-06-24 Respiratory mask having comfortable inner cover web
PCT/US1998/012541 WO1998058558A1 (en) 1997-06-24 1998-06-16 Respiratory masks having comfortable inner cover web

Publications (3)

Publication Number Publication Date
JP2002505607A JP2002505607A (ja) 2002-02-19
JP2002505607A5 JP2002505607A5 (enExample) 2005-12-22
JP4304322B2 true JP4304322B2 (ja) 2009-07-29

Family

ID=25378300

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50470099A Expired - Fee Related JP4304322B2 (ja) 1997-06-24 1998-06-16 快適な内側カバーウェブを有する呼吸マスク

Country Status (9)

Country Link
US (1) US6041782A (enExample)
EP (2) EP1285594B1 (enExample)
JP (1) JP4304322B2 (enExample)
KR (1) KR100491398B1 (enExample)
BR (1) BR9810319A (enExample)
DE (2) DE69841276D1 (enExample)
ES (1) ES2189187T3 (enExample)
TW (1) TW537912B (enExample)
WO (1) WO1998058558A1 (enExample)

Families Citing this family (118)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6062221A (en) 1997-10-03 2000-05-16 3M Innovative Properties Company Drop-down face mask assembly
US6732733B1 (en) 1997-10-03 2004-05-11 3M Innovative Properties Company Half-mask respirator with head harness assembly
US6584976B2 (en) * 1998-07-24 2003-07-01 3M Innovative Properties Company Face mask that has a filtered exhalation valve
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
US6923182B2 (en) * 2002-07-18 2005-08-02 3M Innovative Properties Company Crush resistant filtering face mask
US6698427B1 (en) 2002-08-20 2004-03-02 Liselle K. Clowers Comfort ring for patient medical mask
US20040226563A1 (en) * 2003-05-12 2004-11-18 Zhaoxia Xu Face Mask with Double Breathing Chambers
SG115600A1 (en) * 2003-12-31 2005-10-28 Megatech Scientific Pte Ltd Respiratory mask with inserted spacer
US20080035103A1 (en) * 2004-02-23 2008-02-14 Donaldson Company, Inc. Crankcase Ventilation Filter
US8021457B2 (en) 2004-11-05 2011-09-20 Donaldson Company, Inc. Filter media and structure
ES2564057T3 (es) * 2004-11-05 2016-03-17 Donaldson Company, Inc. Separador de aerosol
US8057567B2 (en) 2004-11-05 2011-11-15 Donaldson Company, Inc. Filter medium and breather filter structure
US12172111B2 (en) 2004-11-05 2024-12-24 Donaldson Company, Inc. Filter medium and breather filter structure
US20060096911A1 (en) * 2004-11-08 2006-05-11 Brey Larry A Particle-containing fibrous web
EA011777B1 (ru) 2005-02-04 2009-06-30 Дональдсон Компани, Инк. Фильтр и система вентиляции картера
US8404014B2 (en) 2005-02-22 2013-03-26 Donaldson Company, Inc. Aerosol separator
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
US20070251522A1 (en) * 2006-05-01 2007-11-01 Welchel Debra N Respirator with exhalation vents
US20100224199A1 (en) * 2006-05-01 2010-09-09 Kimberly-Clark Worldwide, Inc. Respirator
US7902096B2 (en) * 2006-07-31 2011-03-08 3M Innovative Properties Company Monocomponent monolayer meltblown web and meltblowing apparatus
US9770058B2 (en) * 2006-07-17 2017-09-26 3M Innovative Properties Company Flat-fold respirator with monocomponent filtration/stiffening monolayer
US7858163B2 (en) * 2006-07-31 2010-12-28 3M Innovative Properties Company Molded monocomponent monolayer respirator with bimodal monolayer monocomponent media
US20080023006A1 (en) * 2006-07-26 2008-01-31 3M Innovative Properties Company Respirator That Uses A Predefined Curved Nose Foam
RU2401144C1 (ru) * 2006-07-31 2010-10-10 3М Инновейтив Пропертиз Компани Плоский в сложенном виде складной респиратор с однокомпонентным одинарным фильтрующим/упрочняющим слоем
US8029723B2 (en) * 2006-07-31 2011-10-04 3M Innovative Properties Company Method for making shaped filtration articles
US7754041B2 (en) * 2006-07-31 2010-07-13 3M Innovative Properties Company Pleated filter with bimodal monolayer monocomponent media
MX2009009046A (es) * 2007-02-22 2009-10-14 Donaldson Co Inc Metodo y elemento para filtro.
EP2125149A2 (en) * 2007-02-23 2009-12-02 Donaldson Company, Inc. Formed filter element
US20080271740A1 (en) 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free flat-fold respirator that includes a graspable tab
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
US9770611B2 (en) 2007-05-03 2017-09-26 3M Innovative Properties Company Maintenance-free anti-fog respirator
US7989372B2 (en) * 2007-06-22 2011-08-02 3M Innovative Properties Company Molded respirator comprising meltblown fiber web with staple fibers
US20080315454A1 (en) * 2007-06-22 2008-12-25 3M Innovative Properties Company Method of making meltblown fiber web with staple fibers
US7989371B2 (en) * 2007-06-22 2011-08-02 3M Innovative Properties Company Meltblown fiber web with staple fibers
US9642403B2 (en) * 2007-08-16 2017-05-09 Kimberly-Clark Worldwide, Inc. Strap fastening system for a disposable respirator providing improved donning
US20090044811A1 (en) * 2007-08-16 2009-02-19 Kimberly-Clark Worldwide, Inc. Vent and strap fastening system for a disposable respirator providing improved donning
US20090044809A1 (en) * 2007-08-16 2009-02-19 Kimberly-Clark Worldwide, Inc. Vent and strap fastening system for a disposable respirator
JP5421270B2 (ja) * 2007-09-20 2014-02-19 スリーエム イノベイティブ プロパティズ カンパニー 動的支持構造及びプリーツフィルタ構造を有するレスピレータ
BRPI0815855A2 (pt) * 2007-09-20 2018-12-04 3M Innovative Properties Co "respirador com peça facial filtrante e método para a fabricação de um respirador com peça facial filtrante"
MX2010002889A (es) 2007-09-20 2010-06-01 3M Innovative Properties Co Estructura de soporte de respirador de pieza facial filtrante que tiene bisagras activas.
RU2424018C1 (ru) 2007-09-20 2011-07-20 3М Инновейтив Пропертиз Компани Фильтрующая респираторная лицевая маска с растяжимой основой маски
US8066006B2 (en) * 2007-10-09 2011-11-29 3M Innovative Properties Company Filtering face-piece respirator having nose clip molded into the mask body
MX2010005764A (es) 2007-11-27 2010-06-18 3M Innovative Properties Co Mascara de proteccion con valvula unidireccional.
CA2708117C (en) * 2007-12-06 2015-08-25 John M. Sebastian Electret webs with charge-enhancing additives
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
EP2297086A4 (en) * 2008-06-02 2012-01-25 3M Innovative Properties Co CHARGE INCREASE ADDITIVES FOR ELECTRETS
KR101577089B1 (ko) * 2008-06-02 2015-12-11 쓰리엠 이노베이티브 프로퍼티즈 컴파니 전하 증대 첨가제를 갖는 일렉트릿 웨브
US7765698B2 (en) * 2008-06-02 2010-08-03 3M Innovative Properties Company Method of making electret articles based on zeta potential
US11083916B2 (en) 2008-12-18 2021-08-10 3M Innovative Properties Company Flat fold respirator having flanges disposed on the mask body
US9919120B2 (en) 2008-12-22 2018-03-20 Koninklijke Philips N.V. Respiratory interface device with flexible cover
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
WO2010127161A2 (en) 2009-04-29 2010-11-04 Koehler Richard H Surgical face mask, including reusable masks, with filtered inhalation and exhalation valves
ITPD20090117A1 (it) * 2009-05-04 2010-11-05 Euroflex Srl Spruzzatore a mano per liquidi detergenti
USD659821S1 (en) 2009-09-18 2012-05-15 3M Innovative Properties Company Triangular bond pattern on a personal respiratory protection mask
US8640704B2 (en) 2009-09-18 2014-02-04 3M Innovative Properties Company Flat-fold filtering face-piece respirator having structural weld pattern
KR20110031144A (ko) 2009-09-18 2011-03-24 쓰리엠 이노베이티브 프로퍼티즈 컴파니 파지 특징부 표시부를 갖는 안면부 여과식 호흡기
US8881729B2 (en) 2009-09-18 2014-11-11 3M Innovative Properties Company Horizontal flat-fold filtering face-piece respirator having indicia of symmetry
US8528560B2 (en) 2009-10-23 2013-09-10 3M Innovative Properties Company Filtering face-piece respirator having parallel line weld pattern in mask body
US8365771B2 (en) 2009-12-16 2013-02-05 3M Innovative Properties Company Unidirectional valves and filtering face masks comprising unidirectional valves
USD676527S1 (en) 2009-12-16 2013-02-19 3M Innovative Properties Company Unidirectional valve
USD636128S1 (en) * 2009-12-24 2011-04-12 Hancock Jeffrey D Dust mask
EP2519326A4 (en) 2009-12-30 2016-08-24 3M Innovative Properties Co FILTERING ATEM CONNECTION WITH AN AUXETIC NETWORK IN THE MASKENKÖRPER
USD640011S1 (en) * 2010-04-25 2011-06-14 Aok Tooling Limited Face mask
CN101829414B (zh) * 2010-05-06 2011-12-14 上海大胜卫生用品制造有限公司 负离子增氧型防尘口罩
US20120017911A1 (en) 2010-07-26 2012-01-26 3M Innovative Properties Company Filtering face-piece respirator having foam shaping layer
US8905034B2 (en) 2010-11-05 2014-12-09 Salutaris Llp Ergonomic protective air filtration devices and methods for manufacturing the same
USD658334S1 (en) * 2010-11-05 2012-04-24 Salutaris Llp Protective air filtration device
USD638171S1 (en) * 2010-11-05 2011-05-17 Salutaris, LLP Protective air filtration device
US8585808B2 (en) 2010-11-08 2013-11-19 3M Innovative Properties Company Zinc oxide containing filter media and methods of forming the same
US20120125341A1 (en) * 2010-11-19 2012-05-24 3M Innovative Properties Company Filtering face-piece respirator having an overmolded face seal
US8794238B2 (en) 2010-12-28 2014-08-05 3M Innovative Properties Company Splash-fluid resistant filtering face-piece respirator
GB2502762B (en) 2011-03-10 2018-12-26 Adc Tech Int Ltd Air purifier having an electret module
US9027554B2 (en) 2011-12-06 2015-05-12 3M Innovative Properties Company Respirator having foam shaping layer with recessed regions surrounding air passageways
US10245537B2 (en) 2012-05-07 2019-04-02 3M Innovative Properties Company Molded respirator having outer cover web joined to mesh
JP5139590B1 (ja) * 2012-08-07 2013-02-06 一田 啓子 フェイスマスク
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
US20140182600A1 (en) 2012-12-27 2014-07-03 3M Innovative Properties Company Filtering face-piece respirator having welded indicia hidden in pleat
WO2015020857A1 (en) 2013-08-08 2015-02-12 Koehler Richard H Face mask seal for use with respirator devices and surgical facemasks, having an anatomically defined geometry conforming to critical fit zones of human facial anatomy, and capable of being actively custom fitted to the user's face
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
USD746439S1 (en) 2013-12-30 2015-12-29 Kimberly-Clark Worldwide, Inc. Combination valve and buckle set for disposable respirators
EP3110275B1 (en) 2014-02-27 2019-01-09 3M Innovative Properties Company Respirator having elastic straps having openwork structure
CN103815590B (zh) * 2014-03-04 2016-03-09 四川省多持生物科技有限公司 基于海绵一次成型的防起雾口罩结构
US10040621B2 (en) 2014-03-20 2018-08-07 3M Innovative Properties Company Filtering face-piece respirator dispenser
US9868002B2 (en) 2014-07-17 2018-01-16 3M Innovative Properties Company Respirator including contrast layer
CN106572713A (zh) * 2014-08-11 2017-04-19 3M创新有限公司 具有皮肤友好的粘合剂周边的无带式面罩
CN106573158B (zh) 2014-08-18 2022-06-28 3M创新有限公司 包括聚合物结网的呼吸器及其形成方法
EP3212018A1 (en) 2014-10-31 2017-09-06 3M Innovative Properties Company Respirator having corrugated filtering structure
GB201508114D0 (en) 2015-05-12 2015-06-24 3M Innovative Properties Co Respirator tab
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
BR112018009661A2 (pt) 2015-11-11 2018-11-13 3M Innovative Properties Co respirador de dobra plana com retenção de formato
US12070634B2 (en) 2016-09-16 2024-08-27 3M Innovative Properties Company Exhalation valve and respirator including same
KR20190069565A (ko) 2016-10-28 2019-06-19 쓰리엠 이노베이티브 프로퍼티즈 캄파니 보강 요소를 포함하는 호흡기
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
WO2019012399A1 (en) 2017-07-14 2019-01-17 3M Innovative Properties Company ADAPTER FOR TRANSPORTING MULTIPLE FLOWS OF LIQUID
CN109757808A (zh) * 2017-11-07 2019-05-17 深中海医疗用品（深圳）有限公司 杯型口罩制造方法及杯型口罩
US12150502B2 (en) 2018-01-03 2024-11-26 3M Innovative Properties Company Respirator including transversely-extending pleat and method of forming same
USD844253S1 (en) * 2018-03-12 2019-03-26 Makrite Industries Inc. Face mask
USD848075S1 (en) * 2018-03-14 2019-05-07 Canada Prosper Apparel Ltd. Face mask shell
CN110201454A (zh) * 2019-05-24 2019-09-06 苏州新誉卓新材料科技有限公司 一种复合高效空气过滤材料
USD945078S1 (en) * 2020-04-03 2022-03-01 Savage Brands, Inc. Face mask
US11253051B2 (en) 2020-06-26 2022-02-22 Savage Brands, Inc. Protective case for face mask
WO2021252478A1 (en) * 2020-06-08 2021-12-16 Verma Lalit Respirator mask
JP1683242S (ja) * 2020-06-19 2021-04-12 防じんマスク
USD941989S1 (en) * 2020-09-25 2022-01-25 Huhtamaki, Inc. Respiratory mask
DE102020132707A1 (de) * 2020-12-08 2022-06-09 Sandler Ag Vliesstoffmaterial zur Herstellung einer Atemschutzmaske sowie Atemschutzmaske
WO2022165587A1 (en) * 2021-02-02 2022-08-11 Armfoam Inc. Filtering protective mask
USD1066647S1 (en) * 2021-06-03 2025-03-11 Se Mi Im Mask
USD983358S1 (en) * 2021-09-27 2023-04-11 Frank Saco Sanitary face mask
USD983964S1 (en) * 2022-03-10 2023-04-18 Staeger Clear Packaging Limited Protective face mask
CN115606888A (zh) * 2022-09-02 2023-01-17 珠海市人民医院 口罩
US20240115889A1 (en) 2022-10-07 2024-04-11 3M Innovative Properties Company Disposable, Flat-Fold Respirator Having Increased Stiffness in Selected Areas

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31285A (en) * 1861-01-29 Making- finger-guards for harvesters
US3220409A (en) * 1961-03-28 1965-11-30 Johnson & Johnson Face mask
US4013816A (en) * 1975-11-20 1977-03-22 Draper Products, Inc. Stretchable spun-bonded polyolefin web
DE2717968A1 (de) * 1976-05-11 1977-12-01 American Optical Corp Einmal-atemmaske, verfahren und vorrichtung zum herstellen derselben
NL181632C (nl) 1976-12-23 1987-10-01 Minnesota Mining & Mfg Electreetfilter en werkwijze voor het vervaardigen daarvan.
US4215682A (en) * 1978-02-06 1980-08-05 Minnesota Mining And Manufacturing Company Melt-blown fibrous electrets
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
AU565762B2 (en) * 1983-02-04 1987-09-24 Minnesota Mining And Manufacturing Company Method and apparatus for manufacturing an electret filter medium
US4547420A (en) * 1983-10-11 1985-10-15 Minnesota Mining And Manufacturing Company Bicomponent fibers and webs made therefrom
US4684570A (en) * 1984-03-09 1987-08-04 Chicopee Microfine fiber laminate
US4536440A (en) * 1984-03-27 1985-08-20 Minnesota Mining And Manufacturing Company Molded fibrous filtration products
US4551378A (en) * 1984-07-11 1985-11-05 Minnesota Mining And Manufacturing Company Nonwoven thermal insulating stretch fabric and method for producing same
US4807619A (en) * 1986-04-07 1989-02-28 Minnesota Mining And Manufacturing Company Resilient shape-retaining fibrous filtration face mask
GB8612070D0 (en) * 1986-05-19 1986-06-25 Brown R C Blended-fibre filter material
US4827924A (en) * 1987-03-02 1989-05-09 Minnesota Mining And Manufacturing Company High efficiency respirator
US4873972A (en) * 1988-02-04 1989-10-17 Moldex/Metric Products, Inc. Disposable filter respirator with inner molded face flange
US5188885A (en) * 1989-09-08 1993-02-23 Kimberly-Clark Corporation Nonwoven fabric laminates
US5073436A (en) * 1989-09-25 1991-12-17 Amoco Corporation Multi-layer composite nonwoven fabrics
US5173356A (en) * 1989-09-25 1992-12-22 Amoco Corporation Self-bonded fibrous nonwoven webs
JP2581994B2 (ja) * 1990-07-02 1997-02-19 チッソ株式会社 高精密カートリッジフィルターおよびその製造方法
US5114787A (en) * 1990-09-21 1992-05-19 Amoco Corporation Multi-layer nonwoven web composites and process
US5307796A (en) * 1990-12-20 1994-05-03 Minnesota Mining And Manufacturing Company Methods of forming fibrous filtration face masks
KR930006226A (ko) * 1991-09-30 1993-04-21 원본미기재 탄성 복합 부직포 직물 및 그의 제조 방법
US5415925A (en) * 1992-06-10 1995-05-16 Fiberweb North America, Inc. Gamma structure composite nonwoven fabric comprising at least two nonwoven webs adhesively bonded by a lightweight adhesive web
US5374458A (en) * 1992-03-13 1994-12-20 Minnesota Mining And Manufacturing Company Molded, multiple-layer face mask
US5325892A (en) * 1992-05-29 1994-07-05 Minnesota Mining And Manufacturing Company Unidirectional fluid valve
US5753343A (en) * 1992-08-04 1998-05-19 Minnesota Mining And Manufacturing Company Corrugated nonwoven webs of polymeric microfiber
GB2280620A (en) * 1993-08-06 1995-02-08 Minnesota Mining & Mfg Face mask
PL173854B1 (pl) * 1993-08-17 1998-05-29 Minnesota Mining & Mfg Sposób wytwarzania elektretowego środka filtracyjnego
WO1996009165A1 (en) * 1994-09-20 1996-03-28 Exxon Chemical Patents Inc. Microporous film/nonwoven composites
PL179214B1 (pl) * 1994-10-13 2000-08-31 Minnesota Mining & Mfg Z acisk u szczeln ia ja cy d o respiratora, respirator i s p o s ó b wytwarzania respiratora PL PL PL
US5620785A (en) * 1995-06-07 1997-04-15 Fiberweb North America, Inc. Meltblown barrier webs and processes of making same
US5908598A (en) * 1995-08-14 1999-06-01 Minnesota Mining And Manufacturing Company Fibrous webs having enhanced electret properties
FR2739804B1 (fr) * 1995-10-17 1997-12-05 Atochem Elf Sa Nouveau stratifie comprenant un non-tisse en association avec un film thermoplastique et son procede de preparation

Also Published As

Publication number Publication date
DE69810317T2 (de) 2003-05-15
EP1014816A1 (en) 2000-07-05
BR9810319A (pt) 2000-09-05
DE69841276D1 (de) 2009-12-17
EP1285594A3 (en) 2004-07-07
EP1285594A2 (en) 2003-02-26
KR20010014130A (ko) 2001-02-26
EP1014816B1 (en) 2002-12-18
JP2002505607A (ja) 2002-02-19
DE69810317D1 (de) 2003-01-30
US6041782A (en) 2000-03-28
KR100491398B1 (ko) 2005-05-25
WO1998058558A1 (en) 1998-12-30
EP1285594B1 (en) 2009-11-04
TW537912B (en) 2003-06-21
ES2189187T3 (es) 2003-07-01

Similar Documents

Publication Publication Date Title
JP4304322B2 (ja) 快適な内側カバーウェブを有する呼吸マスク
EP0241221B2 (en) Resilient shape-retaining fibrous filtration face mask
KR101009201B1 (ko) 내분쇄성 여과 안면 마스크
CN1161046C (zh) 平面折叠的个人呼吸保护装置
US6484722B2 (en) Flat-folded personal respiratory protection devices and processes for preparing same
JP5754900B2 (ja) 発泡体成形層を有するろ過面体マスク
CN101668445B (zh) 在面罩顶部段反向侧上具有凹型部分的免维护呼吸器
AU709576B2 (en) Flat-folded personal respiratory protection devices and processes for preparing same
US5803077A (en) Mask with elastic webbing
EP1147787A2 (en) Flat-folded personal respiratory protection devices and processes for preparing same
US20170252590A1 (en) Respirator Having Corrugated Filtering Structure
JPH0554353B2 (enExample)
KR20180083886A (ko) 형상 유지형 편평-절첩식 호흡기
KR20120098939A (ko) 마스크 본체 내에 팽창 메시를 갖는 안면부 여과식 호흡기
CN107048530A (zh) 具有对称标记的水平平折过滤式面罩呼吸器
KR20150016310A (ko) 얼룩덜룩한 모습을 갖는 호흡기
CN103958000A (zh) 由原位气流法纤维网制成的呼吸器
JP2020183586A (ja) マスク
MXPA01008315A (en) Flat-folded personal respiratory protection devices and processes for preparing same

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050615

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050615

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070911

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071211

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080212

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080508

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20081111

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090116

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090310

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090409

A72 Notification of change in name of applicant

Free format text: JAPANESE INTERMEDIATE CODE: A721

Effective date: 20090409

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120515

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees