CN1096513C - 含吸着剂颗粒的模压面罩及其制造方法 - Google Patents

含吸着剂颗粒的模压面罩及其制造方法 Download PDF

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Publication number
CN1096513C
CN1096513C CN98812907A CN98812907A CN1096513C CN 1096513 C CN1096513 C CN 1096513C CN 98812907 A CN98812907 A CN 98812907A CN 98812907 A CN98812907 A CN 98812907A CN 1096513 C CN1096513 C CN 1096513C
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CN
China
Prior art keywords
particle
face shield
layer
containing layer
feature
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
CN98812907A
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English (en)
Chinese (zh)
Other versions
CN1285012A (zh
Inventor
J·E·斯帕啉季特
L·W·贝瑞特
R·C·哈珀
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
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of CN1285012A publication Critical patent/CN1285012A/zh
Application granted granted Critical
Publication of CN1096513C publication Critical patent/CN1096513C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1107Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
    • A41D13/1138Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration
    • A41D13/1146Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration obtained by moulding
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing 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
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing 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
    • A62B18/02Masks
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00Filters for breathing-protection purposes
    • A62B23/02Filters for breathing-protection purposes for respirators
    • A62B23/025Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Laminated Bodies (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Nonwoven Fabrics (AREA)
  • Filtering Materials (AREA)
CN98812907A 1997-12-01 1998-04-13 含吸着剂颗粒的模压面罩及其制造方法 Expired - Fee Related CN1096513C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/982,119 1997-12-01
US08/982,119 US6102039A (en) 1997-12-01 1997-12-01 Molded respirator containing sorbent particles

Publications (2)

Publication Number Publication Date
CN1285012A CN1285012A (zh) 2001-02-21
CN1096513C true CN1096513C (zh) 2002-12-18

Family

ID=25528859

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98812907A Expired - Fee Related CN1096513C (zh) 1997-12-01 1998-04-13 含吸着剂颗粒的模压面罩及其制造方法

Country Status (11)

Country Link
US (2) US6102039A (https=)
EP (1) EP1036229B1 (https=)
JP (1) JP4195188B2 (https=)
KR (1) KR100506304B1 (https=)
CN (1) CN1096513C (https=)
AU (1) AU7117898A (https=)
BR (1) BR9815117B1 (https=)
CA (1) CA2312130C (https=)
DE (1) DE69806635T2 (https=)
ES (1) ES2179486T3 (https=)
WO (1) WO1999028542A1 (https=)

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6273938B1 (en) 1999-08-13 2001-08-14 3M Innovative Properties Company Channel flow filter
WO2002041717A2 (en) * 2000-11-27 2002-05-30 Kimberly-Clark Worldwide, Inc. Face mask filtration media with improved breathability
JP2004535279A (ja) * 2001-04-24 2004-11-25 ラーシュ,ウルリッチ 吸気エアフィルター
FR2828114B1 (fr) * 2001-07-31 2004-04-02 Ahlstrom Res And Competence Ct Materiau a base de fibres organiques et/ou inorganiques presentant des proprietes germicides et applications
US20040025879A1 (en) * 2001-11-09 2004-02-12 Wang Roger C.Y. Method and apparatus for filtering and adsorbing biological and chemical agents
US7677248B2 (en) * 2002-06-05 2010-03-16 Louis M. Gerson Co., Inc. Stiffened filter mask
WO2003103425A1 (en) * 2002-06-05 2003-12-18 Louis M. Gerson Co., Inc. Face mask and method of manufacturing the same
US6923182B2 (en) * 2002-07-18 2005-08-02 3M Innovative Properties Company Crush resistant filtering face mask
KR20110055576A (ko) * 2002-09-16 2011-05-25 트리오신 홀딩 아이엔씨 활성화제가 혼입된 정전기적으로 하전된 필터 매질
AU2004207590A1 (en) 2003-01-28 2004-08-12 Enviroscrub Technologies Corporation Oxides of manganese processed in continuous flow reactors
US6905000B1 (en) * 2003-01-31 2005-06-14 Plantronics, Inc. Faceplate cover
CA2537274A1 (en) * 2003-07-31 2005-02-10 Enviroscrub Technologies Corporation Metal oxide processing methods and systems
US7488464B2 (en) 2003-07-31 2009-02-10 Enviroscrub Technologies Corporation Metal oxide processing methods and systems
WO2005034659A2 (en) * 2003-08-11 2005-04-21 University Of Tennessee Research Foundation Fluorochemical electret treatment for barrier fabrics
EP1684887A2 (en) * 2003-10-15 2006-08-02 INVISTA Technologies S.à.r.l. Air filter for removing particulate matter and volatile organic compounds
US7650884B2 (en) * 2003-11-21 2010-01-26 3M Innovative Properties Company Respiratory facepiece and method of making a facepiece using separate molds
US8091550B2 (en) * 2003-12-22 2012-01-10 Kimberly-Clark Worldwide, Inc. Face mask having baffle layer for improved fluid resistance
US20050194010A1 (en) * 2004-03-05 2005-09-08 Sankot Philip W. Disposable contagion transmission prevention device and method of using a disposable contagion transmission prevention device
US20050217226A1 (en) * 2004-04-05 2005-10-06 3M Innovative Properties Company Pleated aligned web filter
US6858297B1 (en) 2004-04-05 2005-02-22 3M Innovative Properties Company Aligned fiber web
US7407701B2 (en) * 2004-07-30 2008-08-05 Kx Technologies Llc Lofted composite with enhanced air permeability
JP4053527B2 (ja) * 2004-09-03 2008-02-27 淨植 林 多層式マスク
WO2006046553A1 (ja) 2004-10-28 2006-05-04 Matsushita Electric Industrial Co., Ltd. 表示装置及び表示装置の駆動方法
US20060254427A1 (en) * 2004-11-08 2006-11-16 3M Innovative Properties Company Particle-containing fibrous web
US20060096911A1 (en) * 2004-11-08 2006-05-11 Brey Larry A Particle-containing fibrous web
DE102005054273A1 (de) * 2005-11-11 2007-05-16 Freudenberg Carl Kg Filterelement mit Ausnehmungs- und/oder Durchgangsbereichen
US8066005B2 (en) 2006-01-18 2011-11-29 Jing-Jyr Lin Complex respirator
JP4496173B2 (ja) * 2006-01-20 2010-07-07 淨植 林 濾過材ボックス付きマスク
US7905973B2 (en) * 2006-07-31 2011-03-15 3M Innovative Properties Company Molded monocomponent monolayer respirator
US9770058B2 (en) * 2006-07-17 2017-09-26 3M Innovative Properties Company Flat-fold respirator with monocomponent filtration/stiffening monolayer
CN101036828A (zh) * 2007-04-18 2007-09-19 林净植 复合式口罩
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
US7828969B2 (en) * 2007-08-07 2010-11-09 3M Innovative Properties Company Liquid filtration systems
AU2008302589B2 (en) 2007-09-20 2011-01-27 3M Innovative Properties Company Filtering face-piece respirator that has expandable mask body
US8061356B2 (en) * 2008-02-19 2011-11-22 Prestige Ameritech Ltd. Directional flat face mask
CN102170948B (zh) * 2008-09-02 2014-09-17 3M创新有限公司 无氨气体空气过滤器
DE102008049927A1 (de) * 2008-10-02 2010-04-08 Carl Freudenberg Kg Ozonresistentes Filterelement
US11083916B2 (en) 2008-12-18 2021-08-10 3M Innovative Properties Company Flat fold respirator having flanges disposed on the mask body
KR20110112337A (ko) * 2008-12-18 2011-10-12 쓰리엠 이노베이티브 프로퍼티즈 컴파니 형상화된 층상 입자-함유 부직 웨브
CN102292127B (zh) * 2008-12-18 2013-07-17 3M创新有限公司 采用成形的含颗粒非织造纤维网的过滤元件
US9919120B2 (en) 2008-12-22 2018-03-20 Koninklijke Philips N.V. Respiratory interface device with flexible cover
EP2283901B1 (de) * 2009-08-14 2013-01-02 Moldex-Metric AG & Co. KG Filtermaterial und Atemschutzmaske
US8881729B2 (en) 2009-09-18 2014-11-11 3M Innovative Properties Company Horizontal flat-fold filtering face-piece respirator having indicia of symmetry
US8617295B2 (en) * 2009-09-30 2013-12-31 3M Innovative Properties Company Active-particulate air filter having monolith primary filter and polishing filter
CA2786867C (en) * 2010-01-18 2022-01-04 3M Innovative Properties Company Air filter with sorbent particles
US8176918B2 (en) * 2010-05-12 2012-05-15 Mei-Sheng Teng Three dimensional face mask
KR20130091734A (ko) * 2010-07-07 2013-08-19 쓰리엠 이노베이티브 프로퍼티즈 컴파니 패턴화된 에어 레이드 부직포 일렉트릿 섬유질 웨브 및 그 제조 및 사용 방법
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
US20130146061A1 (en) * 2011-12-09 2013-06-13 3M Innovative Properties Company Respirator made from in-situ air-laid web(s)
US9421707B2 (en) * 2012-10-05 2016-08-23 Honeywell International Inc. Nanofiber filtering material for disposable/reusable respirators
US9446547B2 (en) * 2012-10-05 2016-09-20 Honeywell International Inc. Nanofiber filtering material for disposable/reusable respirators
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
USD746439S1 (en) * 2013-12-30 2015-12-29 Kimberly-Clark Worldwide, Inc. Combination valve and buckle set for disposable respirators
EP3110525A4 (en) 2014-02-28 2018-03-21 3M Innovative Properties Company Filtration medium including polymeric netting of ribbons and strands
US10040621B2 (en) 2014-03-20 2018-08-07 3M Innovative Properties Company Filtering face-piece respirator dispenser
MX2017002082A (es) 2014-08-18 2017-07-10 3M Innovative Properties Co Respirador que incluye malla metalica polimerica y metodo para su formacion.
GB201421616D0 (en) 2014-12-04 2015-01-21 3M Innovative Properties Co Respirator headband
US10201198B2 (en) * 2014-12-23 2019-02-12 Profit Royal Pharmaceutical Limited Protective masks with coating comprising different electrospun fibers interweaved with each other, formulations forming the same, and method of producing thereof
JP2016202373A (ja) * 2015-04-17 2016-12-08 スリーエム イノベイティブ プロパティズ カンパニー フィルタユニット
GB201508114D0 (en) 2015-05-12 2015-06-24 3M Innovative Properties Co Respirator tab
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
JP2019518154A (ja) * 2016-06-06 2019-06-27 ワークセイフ テクノロジーズWorksafe Technologies ポリマ材料を有する荷重支持面を備える免震システム
USD882758S1 (en) * 2016-09-16 2020-04-28 3M Innovative Properties Company Valve cover
USD843562S1 (en) * 2016-09-16 2019-03-19 3M Innovative Properties Company Valve cover with diamond pattern
USD900306S1 (en) * 2016-09-16 2020-10-27 3M Innovative Properties Company Valve cover
USD849245S1 (en) * 2016-09-16 2019-05-21 3M Innovative Properties Company Valve cover
USD827811S1 (en) * 2016-09-16 2018-09-04 3M Innovative Properties Company Valve cover
USD828546S1 (en) * 2016-09-16 2018-09-11 3M Innovative Properties Company Valve cover with openings
USD842983S1 (en) * 2016-09-16 2019-03-12 3M Innovative Properties Company Valve cover
USD827812S1 (en) * 2016-09-16 2018-09-04 3M Innovative Properties Company Valve cover with openings
CA3042025A1 (en) 2016-10-28 2018-05-03 3M Innovative Properties Company Respirator including reinforcing element
WO2018094472A1 (en) * 2016-11-28 2018-05-31 Clean Stream Technologies Respirator mask
US10864349B2 (en) * 2017-02-02 2020-12-15 Argos Corporation System and method for packaging an elongate medical device
US11813581B2 (en) 2017-07-14 2023-11-14 3M Innovative Properties Company Method and adapter for conveying plural liquid streams
WO2019135150A1 (en) 2018-01-03 2019-07-11 3M Innovative Properties Company Respirator including transversely-extending pleat and method of forming same
EP3674452A1 (en) * 2018-12-28 2020-07-01 Lenzing Aktiengesellschaft Spinneret, method of heating a spinneret and lyocell process
US11027157B1 (en) * 2020-04-08 2021-06-08 John S. Mortimer Face covering apparatus and method of using the same
WO2021216540A1 (en) * 2020-04-21 2021-10-28 Ascend Performance Materials Operations Llc Filters and facemasks having antimicrobial or antiviral properties
US11406144B2 (en) * 2020-05-20 2022-08-09 Anil Kapila Surgical face mask gripper to improve particulate filtering efficiency
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RU201699U1 (ru) * 2020-08-20 2020-12-28 Евгений Николаевич Коптяев Маска
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
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USD982155S1 (en) * 2021-09-10 2023-03-28 Vitacore Industries Inc. Respirator with shield
KR102403042B1 (ko) * 2021-12-14 2022-05-27 김재청 원단 공급의 효율성을 강화한 마스크 제조 공법
WO2025125969A1 (en) 2023-12-15 2025-06-19 3M Innovative Properties Company Respiratory protection devices and methods of manufacturing the same
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CN117549473A (zh) * 2023-12-26 2024-02-13 扬州市虹安消防装备有限公司 一种运用对位芳纶的空呼器面罩成型工艺及装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (52)

* 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
US2988469A (en) * 1959-12-22 1961-06-13 American Viscose Corp Method for the production of reticulated webs
US3849241A (en) * 1968-12-23 1974-11-19 Exxon Research Engineering Co Non-woven mats by melt blowing
US3801400A (en) * 1972-03-24 1974-04-02 Celanese Corp Varying density cartridge filters
US3825379A (en) * 1972-04-10 1974-07-23 Exxon Research Engineering Co Melt-blowing die using capillary tubes
US3971373A (en) * 1974-01-21 1976-07-27 Minnesota Mining And Manufacturing Company Particle-loaded microfiber sheet product and respirators made therefrom
US4103058A (en) * 1974-09-20 1978-07-25 Minnesota Mining And Manufacturing Company Pillowed web of blown microfibers
US3954697A (en) * 1975-03-31 1976-05-04 Eastman Kodak Company Poly(higher-1-olefin-co-propylene) copolymers as hot-melt, pressure-sensitive adhesives
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
WO1981001019A1 (fr) * 1979-10-09 1981-04-16 L Giffard Materiau filtrant et masque respiratoire en comportant application
US4379201A (en) * 1981-03-30 1983-04-05 Minnesota Mining And Manufacturing Company Multiacrylate cross-linking agents in pressure-sensitive photoadhesives
US4384577A (en) * 1981-04-03 1983-05-24 Moldex/Metric Products, Inc. Disposable face mask
US4454881A (en) * 1981-08-21 1984-06-19 Moldex/Metric Products, Inc. Multi-layer face mask with molded edge bead
US4429001A (en) * 1982-03-04 1984-01-31 Minnesota Mining And Manufacturing Company Sheet product containing sorbent particulate material
US4554324A (en) * 1982-09-16 1985-11-19 Minnesota Mining And Manufacturing Co. Acrylate copolymer pressure-sensitive adhesive composition and sheet materials coated therewith
US4729371A (en) * 1983-10-11 1988-03-08 Minnesota Mining And Manufacturing Company Respirator comprised of blown bicomponent fibers
US4619979A (en) * 1984-03-28 1986-10-28 Minnesota Mining And Manufacturing Company Continuous free radial polymerization in a wiped-surface reactor
US4843134A (en) * 1984-03-28 1989-06-27 Minnesota Mining And Manufacturing Company Acrylate pressure-sensitive adhesives containing insolubles
US4684576A (en) * 1984-08-15 1987-08-04 The Dow Chemical Company Maleic anhydride grafts of olefin polymers
US4737559A (en) * 1986-05-19 1988-04-12 Minnesota Mining And Manufacturing Co. Pressure-sensitive adhesive crosslinked by copolymerizable aromatic ketone monomers
US4797318A (en) * 1986-07-31 1989-01-10 Kimberly-Clark Corporation Active particle-containing nonwoven material, method of formation thereof, and uses thereof
US4741949A (en) * 1986-10-15 1988-05-03 Kimberly-Clark Corporation Elastic polyetherester nonwoven web
DE3719420A1 (de) * 1987-06-11 1988-12-29 Sandler Helmut Helsa Werke Atemschutzmaske
US4873972A (en) * 1988-02-04 1989-10-17 Moldex/Metric Products, Inc. Disposable filter respirator with inner molded face flange
US5149468A (en) * 1989-11-17 1992-09-22 Moldex/Metric Products, Inc. Method for producing filter material formed of melt-blown non-woven mat sandwiching additional material
US5307796A (en) * 1990-12-20 1994-05-03 Minnesota Mining And Manufacturing Company Methods of forming fibrous filtration face masks
US5258220A (en) * 1991-09-30 1993-11-02 Minnesota Mining And Manufacturing Company Wipe materials based on multi-layer blown microfibers
US5248455A (en) * 1991-09-30 1993-09-28 Minnesota Mining And Manufacturing Company Method of making transparent film from multilayer blown microfibers
US5238733A (en) * 1991-09-30 1993-08-24 Minnesota Mining And Manufacturing Company Stretchable nonwoven webs based on multi-layer blown microfibers
US5190812A (en) * 1991-09-30 1993-03-02 Minnesota Mining And Manufacturing Company Film materials based on multi-layer blown microfibers
US5306545A (en) * 1991-12-11 1994-04-26 Mitsui Petrochemical Industries, Ltd. Melt-blown non-woven fabric and laminated non-woven fabric material using the same
US5753343A (en) * 1992-08-04 1998-05-19 Minnesota Mining And Manufacturing Company Corrugated nonwoven webs of polymeric microfiber
US5382400A (en) * 1992-08-21 1995-01-17 Kimberly-Clark Corporation Nonwoven multicomponent polymeric fabric and method for making same
EP0669993B1 (en) * 1992-11-18 1997-12-29 Hoechst Celanese Corporation Process for making a fibrous structure containing immobilized particulate matter
US5662728A (en) * 1992-12-31 1997-09-02 Hoechst Celanese Corporation Particulate filter structure
JPH06335534A (ja) * 1993-05-28 1994-12-06 Tetsuya Nishino 保護マスクおよびその製造方法
US5643507A (en) * 1993-08-17 1997-07-01 Minnesota Mining And Manufacturing Company Filter media having an undulated surface
WO1995005501A2 (en) * 1993-08-17 1995-02-23 Minnesota Mining And Manufacturing Company Method of charging electret filter media
JP3360377B2 (ja) * 1993-10-04 2002-12-24 チッソ株式会社 メルトブロー紡糸口金装置
US5506279A (en) * 1993-10-13 1996-04-09 Minnesota Mining And Manufacturing Company Acrylamido functional disubstituted acetyl aryl ketone photoinitiators
US5462538A (en) * 1993-12-16 1995-10-31 Mcneil-Ppc, Inc. Molten adhesive fibers and products made therefrom
JPH07185249A (ja) * 1993-12-27 1995-07-25 Japan Vilene Co Ltd 脱臭フィルタ
JPH10505382A (ja) * 1994-09-09 1998-05-26 ミネソタ マイニング アンド マニュファクチャリング カンパニー パッケージ入りホットメルト接着剤の製造方法
US5560878A (en) * 1994-11-30 1996-10-01 The Procter & Gamble Company Method and apparatus for making stretchable absorbent articles
US5620785A (en) * 1995-06-07 1997-04-15 Fiberweb North America, Inc. Meltblown barrier webs and processes of making same
PL324201A1 (en) * 1995-06-30 1998-05-11 Kimberly Clark Co Multiple-component fibre and non-woven fabric amide thereof degradable in water
US5696199A (en) * 1995-12-07 1997-12-09 Minnesota Mining And Manufacturing Company Pressure-sensitive adhesive polyacrylate polymer and method of making
US5637646A (en) * 1995-12-14 1997-06-10 Minnesota Mining And Manufacturing Company Bulk radical polymerization using a batch reactor
WO1997030199A1 (en) * 1996-02-12 1997-08-21 Fibervisions A/S Particle-containing fibres
US5883026A (en) * 1997-02-27 1999-03-16 Kimberly-Clark Worldwide, Inc. Face masks including a spunbonded/meltblown/spunbonded laminate
US6007914A (en) 1997-12-01 1999-12-28 3M Innovative Properties Company Fibers of polydiorganosiloxane polyurea copolymers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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CA2312130C (en) 2007-01-09
BR9815117B1 (pt) 2008-11-18
JP2001525201A (ja) 2001-12-11
WO1999028542A1 (en) 1999-06-10
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US6234171B1 (en) 2001-05-22
EP1036229B1 (en) 2002-07-17
US6102039A (en) 2000-08-15
DE69806635T2 (de) 2005-10-13
CN1285012A (zh) 2001-02-21
KR20010032629A (ko) 2001-04-25
ES2179486T3 (es) 2003-01-16
JP4195188B2 (ja) 2008-12-10
AU7117898A (en) 1999-06-16
CA2312130A1 (en) 1999-06-10
EP1036229A1 (en) 2000-09-20
BR9815117A (pt) 2000-10-10

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