DE69104732D1 - Verfahren zur herstellung von filtermasken aus fasern. - Google Patents

Verfahren zur herstellung von filtermasken aus fasern.

Info

Publication number
DE69104732D1
DE69104732D1 DE69104732T DE69104732T DE69104732D1 DE 69104732 D1 DE69104732 D1 DE 69104732D1 DE 69104732 T DE69104732 T DE 69104732T DE 69104732 T DE69104732 T DE 69104732T DE 69104732 D1 DE69104732 D1 DE 69104732D1
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
DE69104732T2 (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(D1) "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
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 true DE69104732D1 (de) 1994-11-24
DE69104732T2 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)

Families Citing this family (156)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US5753343A (en) * 1992-08-04 1998-05-19 Minnesota Mining And Manufacturing Company Corrugated nonwoven webs of polymeric microfiber
BR9407288A (pt) * 1993-08-17 1996-10-01 Minnesota Mining & Mfg Meio filtrante processo de formação de um véu de microfibras insufladas em fus o e máscara de inalação em forma de copo
US5658640A (en) * 1993-08-17 1997-08-19 Minnesota Mining And Manufacturing Company Electret filter media having an undulated surface
US5695376A (en) * 1994-09-09 1997-12-09 Kimberly-Clark Worldwide, Inc. Thermoformable barrier nonwoven laminate
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
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
WO1996028216A1 (en) 1995-03-09 1996-09-19 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
US5620785A (en) * 1995-06-07 1997-04-15 Fiberweb North America, Inc. Meltblown barrier webs and processes of making same
US5804512A (en) * 1995-06-07 1998-09-08 Bba Nonwovens Simpsonville, Inc. Nonwoven laminate fabrics 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
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EP0989221A3 (de) * 1998-09-22 2001-07-11 Tietex International Ltd. Atmungsfähige geformte Struktur
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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
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US6998009B2 (en) * 2003-06-10 2006-02-14 Ut-Battelle, Llc Filter and method of fabricating
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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
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US8881729B2 (en) 2009-09-18 2014-11-11 3M Innovative Properties Company Horizontal flat-fold filtering face-piece respirator having indicia of symmetry
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AU651415B2 (en) 1994-07-21
JP3023173B2 (ja) 2000-03-21
DE69104732T2 (de) 1995-05-11
CA2096636A1 (en) 1992-06-21
AR245791A1 (es) 1994-02-28
AU9081891A (en) 1992-07-22
KR100221707B1 (ko) 1999-09-15
US5307796A (en) 1994-05-03
BR9107253A (pt) 1994-03-22
MX9102585A (es) 1992-07-01
CA2096636C (en) 2003-02-25
KR930703496A (ko) 1993-11-30
JPH06504329A (ja) 1994-05-19
US7131442B1 (en) 2006-11-07
DK0563135T3 (da) 1995-04-18
EP0563135A1 (de) 1993-10-06
MXPA94004036A (es) 2004-12-13
EP0563135B1 (de) 1994-10-19
WO1992011405A1 (en) 1992-07-09

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