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Verfahren zur herstellung einer faserigen struktur mit immobilisiertem teilchenförmigem material

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Publication number
DE69316027T2
DE69316027T2 DE1993616027 DE69316027T DE69316027T2 DE 69316027 T2 DE69316027 T2 DE 69316027T2 DE 1993616027 DE1993616027 DE 1993616027 DE 69316027 T DE69316027 T DE 69316027T DE 69316027 T2 DE69316027 T2 DE 69316027T2
Authority
DE
Grant status
Grant
Patent type
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 - Lifetime
Application number
DE1993616027
Other languages
English (en)
Other versions
DE69316027D1 (de )
Inventor
H Gunter Groeger
George A Serad
Clinton D Felton
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.)
CNA Holdings Inc
Original Assignee
CNA Holdings Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Grant date
Family has litigation

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Classifications

    • 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
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D5/00Composition of materials for coverings or clothing affording protection against harmful chemical agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D37/00Processes of filtration
    • B01D37/02Precoating the filter medium; Addition of filter aids to the liquid being filtered
    • B01D37/025Precoating the filter medium; Addition of filter aids to the liquid being filtered additives incorporated in the filter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D39/083Filter cloth, i.e. woven, knitted or interlaced material of organic material
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    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B01D39/163Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
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    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
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DE1993616027 1992-11-18 1993-11-15 Verfahren zur herstellung einer faserigen struktur mit immobilisiertem teilchenförmigem material Expired - Lifetime DE69316027T2 (de)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10026902A1 (de) * 2000-05-31 2002-04-18 Sandler Helmut Helsa Werke Filter insbesondere für ein Fahrzeug
US8449947B2 (en) 2000-08-05 2013-05-28 Carl Freudenberg Kg Thermal control nonwoven material
DE10215555A1 (de) * 2002-03-27 2003-10-30 Steven Hau-Cheng Fu Verfahren und Struktur zur Herstellung von chemischen Filtermitteln in Anwendung einer aerodynamischen Verflechtungsmethode
DE10215555B4 (de) * 2002-03-27 2004-04-08 Chuang, Ching-Cheng, Luchu Funktionsfiltermittel und Verfahren zur Herstellung von Funktionsfiltermitteln in Anwendung einer aerodynamischen Verflechtungsmethode
DE102005030484A1 (de) * 2005-06-28 2007-01-04 Carl Freudenberg Kg Elastischer, weicher, punktförmig gebundener Vliesstoff mit Füllstoffpartikel, Verfahren zu dessen Herstellung und dessen Verwendung
DE102005030484B4 (de) * 2005-06-28 2007-11-15 Carl Freudenberg Kg Elastischer Vliesstoff, Verfahren zu dessen Herstellung und dessen Verwendung
US8114794B2 (en) 2005-06-28 2012-02-14 Carl Freudenberg Kg Elastic, soft and punctiformly bound non-woven fabric provided with filler particles and method for production and the use thereof

Also Published As

Publication number Publication date Type
US5605746A (en) 1997-02-25 grant
US6024813A (en) 2000-02-15 grant
EP0669993B1 (de) 1997-12-29 grant
JPH08503272A (ja) 1996-04-09 application
WO1994011556A1 (en) 1994-05-26 application
US5486410A (en) 1996-01-23 grant
EP0825286A2 (de) 1998-02-25 application
DE69316027D1 (de) 1998-02-05 grant
US5674339A (en) 1997-10-07 grant
JP2818693B2 (ja) 1998-10-30 grant
EP0669993A1 (de) 1995-09-06 application
EP0825286A3 (de) 2000-11-02 application

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