IT1286304B1 - Gruppo di tessuto fibroso supportato. - Google Patents

Gruppo di tessuto fibroso supportato.

Info

Publication number
IT1286304B1
IT1286304B1 IT96TO000289A ITTO960289A IT1286304B1 IT 1286304 B1 IT1286304 B1 IT 1286304B1 IT 96TO000289 A IT96TO000289 A IT 96TO000289A IT TO960289 A ITTO960289 A IT TO960289A IT 1286304 B1 IT1286304 B1 IT 1286304B1
Authority
IT
Italy
Prior art keywords
fibrous fabric
fabric group
supported fibrous
supported
group
Prior art date
Application number
IT96TO000289A
Other languages
English (en)
Inventor
Michael R Gildersleeve
Tony Alex
Thomas C Gsell
M Joanna Abes
Original Assignee
Pall Corp
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 Pall Corp filed Critical Pall Corp
Publication of ITTO960289A0 publication Critical patent/ITTO960289A0/it
Publication of ITTO960289A1 publication Critical patent/ITTO960289A1/it
Application granted granted Critical
Publication of IT1286304B1 publication Critical patent/IT1286304B1/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered 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
    • B32B5/22—Layered 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
    • B32B5/24—Layered 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
    • B32B5/26—Layered 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered 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
    • B32B5/02—Layered 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 structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered 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
    • B32B5/02—Layered 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 structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered 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
    • B32B5/02—Layered 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 structural features of a fibrous or filamentary layer
    • B32B5/08—Layered 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 structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • 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
    • D04H1/559—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 the fibres being within layered webs
    • 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
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0216—Bicomponent or multicomponent fibres
    • B01D2239/0233—Island-in-sea
    • 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
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0618—Non-woven
    • 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
    • B01D2239/0654—Support layers
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Laminated Bodies (AREA)
IT96TO000289A 1995-05-09 1996-04-15 Gruppo di tessuto fibroso supportato. IT1286304B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/437,806 US5665235A (en) 1995-05-09 1995-05-09 Supported fibrous web assembly

Publications (3)

Publication Number Publication Date
ITTO960289A0 ITTO960289A0 (it) 1996-04-15
ITTO960289A1 ITTO960289A1 (it) 1997-10-15
IT1286304B1 true IT1286304B1 (it) 1998-07-08

Family

ID=23737963

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96TO000289A IT1286304B1 (it) 1995-05-09 1996-04-15 Gruppo di tessuto fibroso supportato.

Country Status (7)

Country Link
US (1) US5665235A (it)
JP (1) JPH0924227A (it)
CA (1) CA2166740A1 (it)
DE (1) DE19618461A1 (it)
FR (1) FR2734002B1 (it)
GB (1) GB2300595B (it)
IT (1) IT1286304B1 (it)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2160282A1 (en) * 1995-02-14 1996-08-15 Michael R. Gildersleeve Supported membrane assembly
TW352364B (en) * 1996-08-26 1999-02-11 Chisso Corp A composite sheet comprising a non-woven fabric and a film
US6132608A (en) * 1997-10-06 2000-10-17 Cuno Incorporated Optimized wax for sealing the edge of a filter sheet
DE69927888T3 (de) * 1998-08-19 2012-07-05 Johns Manville International, Inc. Filtermedium mit veränderter Filtrations- und Festigkeitscharakteristik
US6274041B1 (en) 1998-12-18 2001-08-14 Kimberly-Clark Worldwide, Inc. Integrated filter combining physical adsorption and electrokinetic adsorption
US6537614B1 (en) 1998-12-18 2003-03-25 Kimberly-Clark Worldwide, Inc. Cationically charged coating on hydrophobic polymer fibers with poly (vinyl alcohol) assist
WO2000040319A1 (en) * 1999-01-07 2000-07-13 Cuno, Incorporated Pleated filter element and method of forming a pleated filter element
US6110249A (en) 1999-03-26 2000-08-29 Bha Technologies, Inc. Filter element with membrane and bicomponent substrate
ATE306312T1 (de) * 1999-06-08 2005-10-15 Nitto Denko Corp Membranmodul zur trennung von flüssigkeiten und verfahren zu seiner herstellung
US6267252B1 (en) 1999-12-08 2001-07-31 Kimberly-Clark Worldwide, Inc. Fine particle filtration medium including an airlaid composite
US6645388B2 (en) 1999-12-22 2003-11-11 Kimberly-Clark Corporation Leukocyte depletion filter media, filter produced therefrom, method of making same and method of using same
US6241899B1 (en) * 2000-02-28 2001-06-05 Maritza L. Ramos Disposable filter bags for pool cleaners
US6712939B2 (en) 2001-02-26 2004-03-30 Cuno Incorporated Process for manufacturing wet-felted and thermally bonded porous structures and porous structures formed by the process
JP3802839B2 (ja) * 2002-05-24 2006-07-26 呉羽テック株式会社 フィルター用不織布及びエンジン用フィルター
WO2005058458A1 (ja) * 2003-12-17 2005-06-30 Toyo Boseki Kabushiki Kaisha 低圧力損失積層不織布およびフィルター
US20050148266A1 (en) * 2003-12-30 2005-07-07 Myers David L. Self-supporting pleated electret filter media
US8021457B2 (en) * 2004-11-05 2011-09-20 Donaldson Company, Inc. Filter media and structure
US8057567B2 (en) 2004-11-05 2011-11-15 Donaldson Company, Inc. Filter medium and breather filter structure
CN101934172B (zh) * 2004-11-05 2016-06-08 唐纳森公司 过滤介质和结构
EP1846136A2 (en) 2005-02-04 2007-10-24 Donaldson Company, Inc. Aerosol separator
ATE442893T1 (de) 2005-02-22 2009-10-15 Donaldson Co Inc Aerosolabscheider
WO2008103736A1 (en) 2007-02-22 2008-08-28 Donaldson Company, Inc. Filter element and method
EP2125149A2 (en) 2007-02-23 2009-12-02 Donaldson Company, Inc. Formed filter element
US8673040B2 (en) 2008-06-13 2014-03-18 Donaldson Company, Inc. Filter construction for use with air in-take for gas turbine and methods
US9885154B2 (en) 2009-01-28 2018-02-06 Donaldson Company, Inc. Fibrous media
US20170191197A1 (en) * 2014-06-27 2017-07-06 3M Innovative Properties Company Thermally stable meltblown web comprising multilayer fibers
US10625196B2 (en) * 2016-05-31 2020-04-21 Hollingsworth & Vose Company Coalescing filter media
WO2018110990A1 (ko) * 2016-12-15 2018-06-21 주식회사 아모그린텍 필터여재, 이의 제조방법 및 이를 포함하는 필터유닛
WO2019017747A1 (ko) * 2017-07-21 2019-01-24 주식회사 아모그린텍 해수담수화 장치
CN111051252A (zh) * 2017-08-18 2020-04-21 阿莫绿色技术有限公司 水处理***
US11285421B2 (en) * 2018-04-12 2022-03-29 Electrolux Home Products, Inc. Filter media for filtration of cooking fumes

Family Cites Families (23)

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Publication number Priority date Publication date Assignee Title
US3019186A (en) * 1957-12-12 1962-01-30 Milton A Powers Fluid filtering mediums and method of making the same
NL296324A (it) * 1962-08-06
CH699069D (it) * 1968-05-07 1900-01-01
US4186235A (en) * 1975-04-24 1980-01-29 Imperial Chemical Industries Limited Thermoplastics articles having a surface fused to cloth
GB1544822A (en) * 1976-03-26 1979-04-25 Process Scient Innovations Filter elements for gas or liquid and methods of making such elements
US4196027A (en) * 1976-03-26 1980-04-01 Process Scientific Innovations Ltd. Method of making filter elements for gas or liquid
US4212733A (en) * 1977-12-27 1980-07-15 Somar Manufacturing Co., Ltd. Oil-water separation filters
GB1603519A (en) * 1978-01-23 1981-11-25 Process Scient Innovations Filter elements for gas or liquid and methods of making such filters
ZA792326B (en) * 1978-05-15 1980-06-25 Pall Corp Process for preparing polyamide membrane filter media and product
US4536440A (en) * 1984-03-27 1985-08-20 Minnesota Mining And Manufacturing Company Molded fibrous filtration products
DE3583414D1 (de) * 1984-04-27 1991-08-14 Fuji Photo Film Co Ltd Bestandteil eines analytischen elements zur analyse von einem festkoerper in einer fluessigen probe.
US5089122A (en) * 1984-08-31 1992-02-18 Fraunhofer Gesellschaft Device for the separation of fluid mixtures
US4807619A (en) * 1986-04-07 1989-02-28 Minnesota Mining And Manufacturing Company Resilient shape-retaining fibrous filtration face mask
US4758251A (en) * 1987-05-26 1988-07-19 Allied-Signal Inc. Separation of gases through gas enrichment membrane composites
GB8812217D0 (en) * 1988-05-24 1988-06-29 Alcan Int Ltd Composite membranes
US5063108A (en) * 1988-10-25 1991-11-05 Unifi, Inc. Continuous multi-filament polyester substrate readily adherable to a vinyl sheet
US5108827A (en) * 1989-04-28 1992-04-28 Fiberweb North America, Inc. Strong nonwoven fabrics from engineered multiconstituent fibers
US5307796A (en) * 1990-12-20 1994-05-03 Minnesota Mining And Manufacturing Company Methods of forming fibrous filtration face masks
JPH0798131B2 (ja) * 1991-03-15 1995-10-25 チッソ株式会社 筒状フィルター及びその製造方法
US5246474A (en) * 1991-05-04 1993-09-21 British United Shoe Machinery Limited Process for manufacturing a self-supporting filter unit
EP0669993B1 (en) * 1992-11-18 1997-12-29 Hoechst Celanese Corporation Process for making a fibrous structure containing immobilized particulate matter
US5580459A (en) * 1992-12-31 1996-12-03 Hoechst Celanese Corporation Filtration structures of wet laid, bicomponent fiber
CA2160282A1 (en) * 1995-02-14 1996-08-15 Michael R. Gildersleeve Supported membrane assembly

Also Published As

Publication number Publication date
GB2300595A (en) 1996-11-13
DE19618461A1 (de) 1996-11-14
ITTO960289A0 (it) 1996-04-15
FR2734002B1 (fr) 1998-09-04
GB2300595B (en) 1998-10-21
CA2166740A1 (en) 1996-11-10
JPH0924227A (ja) 1997-01-28
ITTO960289A1 (it) 1997-10-15
GB9606654D0 (en) 1996-06-05
FR2734002A1 (fr) 1996-11-15
US5665235A (en) 1997-09-09

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Legal Events

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0001 Granted