JP4871883B2 - 粒子状物質をガス流れから濾過するための濾過媒体 - Google Patents

粒子状物質をガス流れから濾過するための濾過媒体 Download PDF

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Publication number
JP4871883B2
JP4871883B2 JP2007549631A JP2007549631A JP4871883B2 JP 4871883 B2 JP4871883 B2 JP 4871883B2 JP 2007549631 A JP2007549631 A JP 2007549631A JP 2007549631 A JP2007549631 A JP 2007549631A JP 4871883 B2 JP4871883 B2 JP 4871883B2
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Japan
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web
nanofiber
solvent
polymer
scrim
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Expired - Lifetime
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Japanese (ja)
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JP2008525671A (ja
JP2008525671A5 (OSRAM
Inventor
リム，ヒユン・スング
スー，ハジエウン
ワイズマン，ビー・リン
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EIDP Inc
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EI Du Pont de Nemours and Co
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    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • 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
    • B01D39/1615—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of natural origin
    • 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
    • B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
    • 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
    • B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/18—Particle separators, e.g. dust precipitators, using filtering belts
    • B01D46/22—Particle separators, e.g. dust precipitators, using filtering belts the belts travelling during filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/546—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using nano- or microfibres
    • 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
    • B32B5/024—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
    • B32B5/22—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
    • 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
    • D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • 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
    • 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
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
    • 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
    • D04H13/00—Other non-woven fabrics
    • 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
    • D04H13/00—Other non-woven fabrics
    • D04H13/001—Making non-woven fabrics from staple fibres, filaments or yarns, bonded to at least one web-like material, e.g. woven, knitted non-woven fabric, paper, leather, during consolidation
    • D04H13/002—Making non-woven fabrics from staple fibres, filaments or yarns, bonded to at least one web-like material, e.g. woven, knitted non-woven fabric, paper, leather, during consolidation characterised by the disposition or nature of their elements
    • 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
    • D04H13/00—Other non-woven fabrics
    • D04H13/001—Making non-woven fabrics from staple fibres, filaments or yarns, bonded to at least one web-like material, e.g. woven, knitted non-woven fabric, paper, leather, during consolidation
    • D04H13/007—Making non-woven fabrics from staple fibres, filaments or yarns, bonded to at least one web-like material, e.g. woven, knitted non-woven fabric, paper, leather, during consolidation strengthened or consolidated by welding together the various components
    • 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
    • B01D2239/025—Types of fibres, filaments or particles, self-supporting or supported materials comprising nanofibres
    • 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
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/28—Making use of vacuum or underpressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/10—Multiple layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
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    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/544—Torsion strength; Torsion stiffness
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    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546—Flexural strength; Flexion stiffness
    • 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
    • B32B2459/00—Nets, e.g. camouflage nets

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Woven Fabrics (AREA)
  • Manufacturing Of Multi-Layer Textile Fabrics (AREA)
JP2007549631A 2004-12-28 2005-12-28 粒子状物質をガス流れから濾過するための濾過媒体 Expired - Lifetime JP4871883B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US63977104P 2004-12-28 2004-12-28
US60/639,771 2004-12-28
PCT/US2005/047399 WO2006071979A1 (en) 2004-12-28 2005-12-28 Filtration media for filtering particulate material from gas streams

Publications (3)

Publication Number Publication Date
JP2008525671A JP2008525671A (ja) 2008-07-17
JP2008525671A5 JP2008525671A5 (OSRAM) 2008-09-18
JP4871883B2 true JP4871883B2 (ja) 2012-02-08

Family

ID=36177902

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2007549631A Expired - Lifetime JP4871883B2 (ja) 2004-12-28 2005-12-28 粒子状物質をガス流れから濾過するための濾過媒体
JP2007549633A Pending JP2008525195A (ja) 2004-12-28 2005-12-28 ガス流れから粒子状物質を濾過するための濾過媒体

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2007549633A Pending JP2008525195A (ja) 2004-12-28 2005-12-28 ガス流れから粒子状物質を濾過するための濾過媒体

Country Status (7)

Country Link
US (2) US8092566B2 (OSRAM)
EP (2) EP1851046B1 (OSRAM)
JP (2) JP4871883B2 (OSRAM)
KR (2) KR101315000B1 (OSRAM)
CN (3) CN101132906A (OSRAM)
BR (2) BRPI0517587B1 (OSRAM)
WO (2) WO2006071980A1 (OSRAM)

Families Citing this family (137)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7789930B2 (en) * 2006-11-13 2010-09-07 Research Triangle Institute Particle filter system incorporating nanofibers
US12172111B2 (en) 2004-11-05 2024-12-24 Donaldson Company, Inc. Filter medium and breather filter structure
US8057567B2 (en) 2004-11-05 2011-11-15 Donaldson Company, Inc. Filter medium and breather filter structure
BRPI0520889B1 (pt) * 2004-11-05 2020-11-03 Donaldson Company, Inc. método de filtração de uma corrente líquida e método de filtração de um fluido aquecido
US8021457B2 (en) 2004-11-05 2011-09-20 Donaldson Company, Inc. Filter media and structure
US8092566B2 (en) * 2004-12-28 2012-01-10 E.I. Du Pont De Nemours And Company Filtration media for filtering particulate material from gas streams
CN101151084B (zh) 2005-02-04 2013-02-13 唐纳森公司 气溶胶分离器
US7717975B2 (en) * 2005-02-16 2010-05-18 Donaldson Company, Inc. Reduced solidity web comprising fiber and fiber spacer or separation means
EP1858618B1 (en) 2005-02-22 2009-09-16 Donaldson Company, Inc. Aerosol separator
US20060292947A1 (en) * 2005-06-24 2006-12-28 Lavietes Daniel Polyester fiber scrim and method for making same
US20070074628A1 (en) 2005-09-30 2007-04-05 Jones David C Coalescing filtration medium and process
CZ2005700A3 (cs) * 2005-11-10 2007-03-07 Elmarco, S. R. O. Filtr pro odstranování fyzikálních a/nebo biologických necistot
US20080017038A1 (en) * 2006-07-21 2008-01-24 3M Innovative Properties Company High efficiency hvac filter
KR101474574B1 (ko) * 2006-07-31 2014-12-18 이 아이 듀폰 디 네모아 앤드 캄파니 폴리아렌아졸 미세필라멘트 및 그의 제조방법
US20080070463A1 (en) 2006-09-20 2008-03-20 Pankaj Arora Nanowebs
JP2008095266A (ja) * 2006-10-12 2008-04-24 Hodai Lee ナノ素材を用いた複合繊維フィルター、ナノ素材を用いた複合繊維フィルターの製造装置及びナノ素材を用いた複合繊維フィルターの製造方法
US20080113575A1 (en) * 2006-11-09 2008-05-15 Davis Michael C Solvent stripping process
US8361180B2 (en) * 2006-11-27 2013-01-29 E I Du Pont De Nemours And Company Durable nanoweb scrim laminates
US8361365B2 (en) * 2006-12-20 2013-01-29 E I Du Pont De Nemours And Company Process for electroblowing a multiple layered sheet
JP4697135B2 (ja) * 2006-12-26 2011-06-08 トヨタ紡織株式会社 エアフィルタ用濾材
EP1953286A1 (en) * 2007-02-01 2008-08-06 Nisshinbo Industries, Inc. Fabric and mask
WO2008103736A1 (en) 2007-02-22 2008-08-28 Donaldson Company, Inc. Filter element and method
WO2008103821A2 (en) 2007-02-23 2008-08-28 Donaldson Company, Inc. Formed filter element
US20080217241A1 (en) * 2007-03-05 2008-09-11 Alan Smithies Composite filter media and methods of manufacture
US7942948B2 (en) * 2007-03-05 2011-05-17 Bha Group, Inc. Filter element including a composite filter media
US20080315465A1 (en) * 2007-03-05 2008-12-25 Alan Smithies Method of manufacturing composite filter media
US8308834B2 (en) * 2007-03-05 2012-11-13 Bha Group, Inc. Composite filter media
US7927540B2 (en) * 2007-03-05 2011-04-19 Bha Group, Inc. Method of manufacturing a composite filter media
US20090071114A1 (en) * 2007-03-05 2009-03-19 Alan Smithies Gas turbine inlet air filtration filter element
US20080220676A1 (en) * 2007-03-08 2008-09-11 Robert Anthony Marin Liquid water resistant and water vapor permeable garments
CZ2007179A3 (cs) * 2007-03-08 2008-09-17 Elmarco S. R. O. Lineární vlákenný útvar obsahující polymerní nanovlákna, zpusob výroby a zarízení k výrobe takovéhoútvaru
US8303693B2 (en) * 2007-04-26 2012-11-06 The Hong Kong Polytechnic University Nanofiber filter facemasks and cabin filters
EP2155934A2 (en) 2007-05-30 2010-02-24 Dow Global Technologies Inc. High-output solvent-based electrospinning
US8679216B2 (en) * 2007-06-07 2014-03-25 E I Du Pont De Nemours And Company Process for forming a laminate of a nanoweb and a substrate and filters using the laminate
JP4953939B2 (ja) * 2007-06-27 2012-06-13 日本バイリーン株式会社 不織布の製造方法
KR100931407B1 (ko) 2007-07-12 2009-12-11 벤텍스 주식회사 항균마스크용 원단 및 이의 제조방법
US8679217B2 (en) * 2007-09-07 2014-03-25 E I Du Pont De Nemours And Company Pleated nanoweb structures
JP4947715B2 (ja) * 2007-10-17 2012-06-06 日本バイリーン株式会社 積層シートの製造方法
US8986432B2 (en) * 2007-11-09 2015-03-24 Hollingsworth & Vose Company Meltblown filter medium, related applications and uses
BRPI0817370A8 (pt) * 2007-11-09 2019-01-29 Du Pont filtros de bolsa
WO2009062009A2 (en) * 2007-11-09 2009-05-14 Hollingsworth & Vose Company Meltblown filter medium
EP2231912B1 (en) * 2007-12-28 2014-10-22 3M Innovative Properties Company Composite nonwoven fibrous webs and methods of making and using the same
US8512569B2 (en) * 2007-12-31 2013-08-20 3M Innovative Properties Company Fluid filtration articles and methods of making and using the same
BRPI0821677A2 (pt) * 2007-12-31 2015-06-16 3M Innovative Properties Co Mantas fibrosas não-tecidas compósitas que têm fase particulada contínua e métodos de preparo e uso das mesmas
WO2009088564A1 (en) * 2008-01-08 2009-07-16 E. I. Du Pont De Nemours And Company Liquid water resistant and water vapor permeable garments comprising hydrophobic treated nonwoven made from nanofibers
JP5268730B2 (ja) * 2008-03-28 2013-08-21 グンゼ株式会社 複合ファブリック
US8282712B2 (en) 2008-04-07 2012-10-09 E I Du Pont De Nemours And Company Air filtration medium with improved dust loading capacity and improved resistance to high humidity environment
JP2009263818A (ja) * 2008-04-25 2009-11-12 Nippon Synthetic Chem Ind Co Ltd:The 不織布積層構造体およびその製法
JP5368154B2 (ja) * 2008-04-25 2013-12-18 日本合成化学工業株式会社 不織布積層構造体およびその製法
US8673040B2 (en) * 2008-06-13 2014-03-18 Donaldson Company, Inc. Filter construction for use with air in-take for gas turbine and methods
US8512432B2 (en) * 2008-08-01 2013-08-20 David Charles Jones Composite filter media
US7922959B2 (en) * 2008-08-01 2011-04-12 E. I. Du Pont De Nemours And Company Method of manufacturing a composite filter media
NL2002036C (nl) * 2008-09-29 2010-03-30 Filo Engineering Werkwijze en systeem voor het produceren van textielmateriaal.
US8517185B2 (en) * 2008-10-08 2013-08-27 Cummins Filtration Ip, Inc. Two stage fuel water separator and particulate filter utilizing pleated nanofiber filter material
US8590712B2 (en) 2008-10-08 2013-11-26 Cummins Filtration Ip Inc. Modular filter elements for use in a filter-in-filter cartridge
WO2010048709A1 (en) 2008-10-27 2010-05-06 Sefar Bdh Inc. Filter bag, pleatable filtration material therefore, and process of making same
US8357220B2 (en) * 2008-11-07 2013-01-22 Hollingsworth & Vose Company Multi-phase filter medium
US8267681B2 (en) 2009-01-28 2012-09-18 Donaldson Company, Inc. Method and apparatus for forming a fibrous media
JP5539407B2 (ja) * 2009-02-17 2014-07-02 フィルトロナ・ポーラス・テクノロジーズ・コーポレーション ナノファイバを含む多層流体透過性繊維構造体およびこの構造体の製造方法
US20100212272A1 (en) * 2009-02-24 2010-08-26 Hollingsworth & Vose Company Filter media suitable for ashrae applications
US8206481B2 (en) * 2009-02-27 2012-06-26 Bha Group, Inc. HEPA (H-10) performance synthetic nonwoven and nanofiber composite filter media
US9750829B2 (en) 2009-03-19 2017-09-05 Emd Millipore Corporation Removal of microorganisms from fluid samples using nanofiber filtration media
US8950587B2 (en) 2009-04-03 2015-02-10 Hollingsworth & Vose Company Filter media suitable for hydraulic applications
US8523971B2 (en) 2009-05-07 2013-09-03 The Hong Kong Polytechnic University Multilayer nanofiber filter
DE112010002027B4 (de) * 2009-05-15 2021-12-09 Cummins Filtration Ip, Inc. Koaleszenzabscheider und Verwendung eines Koaleszenzabscheiders in einem Koaleszenzsystem
US8083828B2 (en) * 2009-06-19 2011-12-27 Hollingsworth & Vose Company Fiber web having a high stiffness
WO2011033975A1 (ja) * 2009-09-16 2011-03-24 株式会社クラレ 非水系電池用セパレータ及びそれを用いた非水系電池、ならびに非水系電池用セパレータの製造方法
US20110210081A1 (en) * 2010-02-26 2011-09-01 Clarcor Inc. Fine fiber liquid particulate filter media
EP2542323B1 (de) * 2010-03-04 2018-09-05 Hydac Filtertechnik Gmbh Filtervorrichtung
US8679218B2 (en) 2010-04-27 2014-03-25 Hollingsworth & Vose Company Filter media with a multi-layer structure
DE112011106183B4 (de) * 2010-06-22 2025-10-16 Cummins Filtration Ip, Inc. Zweistufiges Fluidfilter
JP2013535314A (ja) * 2010-06-30 2013-09-12 アモグリーンテック カンパニー リミテッド 電気放射されたナノ繊維ウェブを利用した液体フィルター用フィルターろ材とその製造方法及びこれを利用した液体フィルター
ES2774949T3 (es) 2010-08-10 2020-07-23 Emd Millipore Corp Método para la eliminación de retrovirus
WO2012048201A2 (en) * 2010-10-08 2012-04-12 Nano Terra Inc. Lubricants containing nanofibers
US20120152821A1 (en) 2010-12-17 2012-06-21 Hollingsworth & Vose Company Fine fiber filter media and processes
US10155186B2 (en) 2010-12-17 2018-12-18 Hollingsworth & Vose Company Fine fiber filter media and processes
US20120318752A1 (en) * 2010-12-20 2012-12-20 E.I. Du Pont De Nemours And Company High porosity high basis weight filter media
EP2661457B1 (en) * 2011-01-04 2018-03-28 Teijin Aramid B.V. Electrical insulating paper
SG193579A1 (en) * 2011-03-30 2013-10-30 Kuraray Co Filtering medium for filter, and water filtering apparatus provided with filtering medium
SG192027A1 (en) 2011-04-01 2013-08-30 Emd Millipore Corp Nanofiber containing composite structures
CN102416718B (zh) * 2011-07-22 2014-01-01 湖南亚太实业有限公司 团簇状纤维热塑性复合片材
CN102505357A (zh) * 2011-09-22 2012-06-20 东华大学 一种血液过滤用静电纺熔喷复合非织造材料及其制备方法
WO2013051185A1 (ja) * 2011-10-03 2013-04-11 パナソニック株式会社 エアフィルタ濾材、エアフィルタ、そのエアフィルタを装着した空気清浄装置、および加湿機能付き空気清浄装置
JP5908709B2 (ja) * 2011-12-09 2016-04-26 帝人株式会社 フィルター用不織布およびその製造方法およびフィルター
MX359078B (es) 2012-01-05 2018-09-13 Bha Altair Llc Medio a prueba de agua y repelente de sal, y filtro.
KR101448912B1 (ko) * 2012-03-06 2014-10-13 주식회사 아모그린텍 무광 필름 및 그 제조방법
MX356694B (es) * 2012-04-02 2018-06-11 Johnson Matthey Plc Separadores de alambre para reactores estructurales apilables.
FI126055B (en) * 2012-05-14 2016-06-15 Upm Kymmene Corp A method of making a film from fibril pulp and a fibril pulp film
US10058808B2 (en) 2012-10-22 2018-08-28 Cummins Filtration Ip, Inc. Composite filter media utilizing bicomponent fibers
US9149749B2 (en) 2012-11-13 2015-10-06 Hollingsworth & Vose Company Pre-coalescing multi-layered filter media
US11090590B2 (en) 2012-11-13 2021-08-17 Hollingsworth & Vose Company Pre-coalescing multi-layered filter media
US9149748B2 (en) * 2012-11-13 2015-10-06 Hollingsworth & Vose Company Multi-layered filter media
US20140190137A1 (en) * 2013-01-10 2014-07-10 Tdc Filter Manufacturing, Inc. Media and Filter for Coastal and High Humidity Areas
EP3738659A1 (en) * 2013-02-25 2020-11-18 Hollingsworth & Vose Company Multi-layered filter media
US9694306B2 (en) 2013-05-24 2017-07-04 Hollingsworth & Vose Company Filter media including polymer compositions and blends
US20160193555A1 (en) * 2013-08-01 2016-07-07 Finetex Ene, Inc. Multi-layered nanofiber medium using electro-blowing, melt-blowing or electrospinning, and method for manufacturing same
CN105392544B (zh) * 2013-08-02 2017-12-15 康明斯过滤Ip公司 梯度纳米纤维过滤介质
KR101601175B1 (ko) * 2013-08-06 2016-03-08 주식회사 아모그린텍 주름 필터 및 그 제조 방법
EP3038732B1 (de) * 2013-08-29 2018-02-28 Mahle International GmbH Filtermaterial, filterelement und verfahren zum herstellen eines filtermaterials
EP3060326B1 (en) 2013-10-21 2017-11-22 E. I. du Pont de Nemours and Company Electret nanofibrous web as air filtration media
WO2015076460A1 (ko) * 2013-11-21 2015-05-28 (주)에프티이앤이 나노섬유 제조용 전기방사장치
JP2015178092A (ja) * 2014-02-25 2015-10-08 パナソニックＩｐマネジメント株式会社 エアフィルタと、このエアフィルタを備えた空気清浄装置、およびエアフィルタの製造方法
WO2015140355A1 (en) 2014-03-21 2015-09-24 Vito Nv (Vlaamse Instelling Voor Technologisch Onderzoek Nv) Supported filtration membranes and methods of manufacturing
JP6489750B2 (ja) * 2014-03-26 2019-03-27 キヤノン株式会社 ポリマーナノファイバ構造体の製造方法
US10399024B2 (en) 2014-05-15 2019-09-03 Hollingsworth & Vose Company Surface modified filter media
US10195542B2 (en) 2014-05-15 2019-02-05 Hollingsworth & Vose Company Surface modified filter media
JP6568545B2 (ja) 2014-06-26 2019-08-28 イー・エム・デイー・ミリポア・コーポレイシヨン 増強された汚れ保持容量を有するフィルタ構造
CN104474808B (zh) * 2014-12-06 2017-02-01 江苏三鼎环境科技有限公司 一种纳米微孔空气净化网及其制造方法
US10343095B2 (en) 2014-12-19 2019-07-09 Hollingsworth & Vose Company Filter media comprising a pre-filter layer
DE102015002672A1 (de) * 2015-03-03 2016-09-08 Mann + Hummel Gmbh Filtermedium und Filterelement mit einem Filtermedium
US10828587B2 (en) 2015-04-17 2020-11-10 Hollingsworth & Vose Company Stable filter media including nanofibers
DK3283202T3 (da) 2015-04-17 2025-12-01 Emd Millipore Corp Fremgangsmåde til rensning af et biologisk materiale af interesse i en prøve gennem brug af ultrafiltreringsmembraner af nanofibre i tangentiel strømningsfiltreringstilstand
KR101615683B1 (ko) * 2015-07-24 2016-04-27 (주)에프티이앤이 폴리우레탄 - 폴리비닐리덴 플루오라이드 나노섬유를 포함하는 필터 및 이의 제조방법
DE102015010843A1 (de) 2015-08-19 2017-02-23 Mann + Hummel Gmbh Verfahren zur Herstellung eines Filtermediums und ein Filtermedium
CN112387007A (zh) * 2015-08-22 2021-02-23 奥斯龙明士克公司 具有提高效率的用于从水-烃乳液中除去水的燃料水分离过滤介质
JP6655971B2 (ja) * 2015-12-11 2020-03-04 株式会社堀場製作所 分析装置、分析方法、及びプログラム
US10252200B2 (en) 2016-02-17 2019-04-09 Hollingsworth & Vose Company Filter media including a filtration layer comprising synthetic fibers
US11014030B2 (en) 2016-02-17 2021-05-25 Hollingsworth & Vose Company Filter media including flame retardant fibers
CN105854451B (zh) * 2016-05-16 2017-11-10 福建省利邦环境工程有限公司 过滤介质为m形的废气过滤器
US10625196B2 (en) 2016-05-31 2020-04-21 Hollingsworth & Vose Company Coalescing filter media
US12420221B2 (en) 2016-07-01 2025-09-23 Hollingsworth & Vose Company Multi-layered electret-containing filtration media
WO2018011347A1 (en) 2016-07-14 2018-01-18 Ahlstrom-Munksjö Oyj Particle removal filter medium for removing particles from fuel having improved efficiency
CN109475790A (zh) 2016-07-19 2019-03-15 康明斯滤清系统知识产权公司 穿孔层聚结器
EP3336231A1 (en) * 2016-12-13 2018-06-20 Nanomed LLC Adhering nanofibers to polymeric media using a high temperature singe
US10543441B2 (en) 2016-12-15 2020-01-28 Hollingsworth & Vose Company Filter media including adhesives and/or oleophobic properties
US10898838B2 (en) 2016-12-15 2021-01-26 Hollingsworth & Vose Company Filter media including adhesives
WO2019016605A1 (en) 2017-07-21 2019-01-24 Merck Millipore Ltd MEMBRANES OF NONWOVEN FIBERS
JP6584614B2 (ja) * 2017-09-22 2019-10-02 日東電工株式会社 エアフィルタ濾材、フィルタプリーツパックおよびエアフィルタユニット
CN107551676A (zh) * 2017-09-26 2018-01-09 安徽凤凰滤清器股份有限公司 空调滤芯和车用空调
WO2019113344A1 (en) * 2017-12-07 2019-06-13 4C Air, Inc. System and methods for forming a self-adhesive fibrous medium
WO2019213107A1 (en) 2018-05-03 2019-11-07 Cummins Filtration Ip, Inc. Composite filter media with multiple fiber structures including nanofibers
MX2021012490A (es) * 2019-04-12 2021-11-12 Ascend Performance Mat Operations Llc Estructuras multicapa no tejidas que tienen capas de nanofibras.
JP7701349B2 (ja) 2019-10-08 2025-07-01 ドナルドソン カンパニー，インコーポレイティド 混合直径細繊維を含む濾材層
CN110592803B (zh) * 2019-10-10 2020-09-04 上海盈兹无纺布有限公司 一种热风无纺布热压成型设备及其制备无纺布的方法
US20210354063A1 (en) * 2020-05-15 2021-11-18 Hobbs Bonded Fibers Na, Llc Convoluted Dual Density Filter Material
IT202100019997A1 (it) 2021-07-27 2023-01-27 Saati Spa Mezzo filtrante composito e metodo per la sua produzione
KR102760960B1 (ko) * 2021-12-20 2025-02-03 엘지전자 주식회사 나노섬유 필터 제조방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002249966A (ja) * 2001-01-26 2002-09-06 Korea Inst Of Science & Technology 微細繊維状高分子ウェブの製造方法
WO2003080905A1 (en) * 2002-03-26 2003-10-02 Nano Technics Co., Ltd. A manufacturing device and the method of preparing for the nanofibers via electro-blown spinning process
JP2004508168A (ja) * 2000-09-05 2004-03-18 ドナルドソン　カンパニー，インコーポレイティド ガスタービン・システム向けの空気の濾過方法
JP2004508164A (ja) * 2000-09-05 2004-03-18 ドナルドソン　カンパニー，インコーポレイティド バッグハウス・エレメント

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797163A (en) 1952-11-22 1957-06-25 Walter J Smith Method of making filter media
US3251475A (en) 1955-04-18 1966-05-17 Fmc Corp Fibrous filter body
US3253978A (en) 1961-07-19 1966-05-31 C H Dexter & Sons Inc Method of forming an inorganic waterlaid sheet containing colloidal silica and cationic starch
US3228825A (en) 1961-08-15 1966-01-11 Owens Corning Fiberglass Corp Method of forming fibrous structures from a combination of glass fibers and cellulosic fibers
NL292776A (OSRAM) 1962-10-01
DE1494897B2 (de) 1963-05-29 1971-11-11 J P Stevens & Co Ine , New York, N Y (V St A) Verfahren zum reinigen von schlichte aufweisendem glasfaser material
US3249491A (en) 1963-07-15 1966-05-03 James A Young Process for molding a glass fiber aerosol filter
US3882135A (en) 1972-08-31 1975-05-06 Dow Chemical Co Process for the preparation of aminopyridines
NL181632C (nl) * 1976-12-23 1987-10-01 Minnesota Mining & Mfg Electreetfilter en werkwijze voor het vervaardigen daarvan.
JPS5735920A (en) * 1980-08-14 1982-02-26 Yoshimi Oshitari Filter medium for air
DE3036814C2 (de) 1980-09-30 1984-10-04 Fa. Carl Freudenberg, 6940 Weinheim Wundkompresse und Verfahren zu ihrer Herstellung
JPS58109113A (ja) * 1981-12-21 1983-06-29 Japan Vilene Co Ltd 「あ」材の製造方法
DE3437183C2 (de) 1984-10-10 1986-09-11 Fa. Carl Freudenberg, 6940 Weinheim Mikroporöser Mehrschichtvliesstoff für medizinische Anwendungszwecke und Verfahren zu dessen Herstellung
US4874659A (en) 1984-10-24 1989-10-17 Toray Industries Electret fiber sheet and method of producing same
US4650506A (en) 1986-02-25 1987-03-17 Donaldson Company, Inc. Multi-layered microfiltration medium
DE3707691A1 (de) * 1987-03-11 1988-09-22 Basf Ag Mit einer gehaerteten harzmischung gebundene mineral- und textil-vliese
US5672399A (en) * 1995-11-17 1997-09-30 Donaldson Company, Inc. Filter material construction and method
US6171684B1 (en) * 1995-11-17 2001-01-09 Donaldson Company, Inc. Filter material construction and method
US6165572A (en) * 1995-11-17 2000-12-26 Donaldson Company, Inc. Filter material construction and method
US5820645A (en) * 1997-05-23 1998-10-13 Reemay, Inc. Pleatable nonwoven composite article for gas filter media
US6315806B1 (en) * 1997-09-23 2001-11-13 Leonard Torobin Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby
US6723669B1 (en) * 1999-12-17 2004-04-20 Kimberly-Clark Worldwide, Inc. Fine multicomponent fiber webs and laminates thereof
DE19919809C2 (de) * 1999-04-30 2003-02-06 Fibermark Gessner Gmbh & Co Staubfilterbeutel, enthaltend Nanofaservlies
ATE417660T1 (de) * 1999-10-29 2009-01-15 Hollingsworth & Vose Co Filtermaterial
DE10013315C2 (de) 2000-03-17 2002-06-06 Freudenberg Carl Kg Plissiertes Filter aus einem mehrlagigen Filtermedium
JP4512242B2 (ja) * 2000-08-23 2010-07-28 タピルス株式会社 空気清浄用フィルター
US6746517B2 (en) * 2000-09-05 2004-06-08 Donaldson Company, Inc. Filter structure with two or more layers of fine fiber having extended useful service life
US6743273B2 (en) * 2000-09-05 2004-06-01 Donaldson Company, Inc. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
DE10051186B4 (de) * 2000-10-16 2005-04-07 Fibermark Gessner Gmbh & Co. Ohg Staubfilterbeutel mit hochporöser Trägermateriallage
WO2003004735A1 (en) 2001-07-04 2003-01-16 Hag-Yong Kim An electronic spinning apparatus, and a process of preparing nonwoven fabric using the thereof
DE10137161C5 (de) * 2001-07-30 2009-04-09 Mann+Hummel Innenraumfilter Gmbh & Co. Kg Filterelement
US6872311B2 (en) * 2002-01-31 2005-03-29 Koslow Technologies Corporation Nanofiber filter media
ATE390197T1 (de) * 2002-05-28 2008-04-15 Hollingsworth & Vose Gmbh Filtermedium
US20040038014A1 (en) 2002-08-20 2004-02-26 Donaldson Company, Inc. Fiber containing filter media
CA2499065C (en) 2002-09-17 2011-05-17 E. I. Du Pont De Nemours And Company Extremely high liquid barrier fabrics
CN1705558A (zh) * 2002-09-19 2005-12-07 帕里莫集团有限公司 具有改进阻隔性能的无纺工业织物
US6875249B2 (en) * 2002-10-08 2005-04-05 Donaldson Company, Inc. Motor vehicle filter structure having visual indicator of useful life
US20040092185A1 (en) 2002-11-13 2004-05-13 Grafe Timothy H. Wipe material with nanofiber layer
US7097684B2 (en) * 2002-12-12 2006-08-29 Aaf-Mcquay, Inc. Method of forming combined pleated scrim and filter media materials and product of same
US20040116025A1 (en) 2002-12-17 2004-06-17 Gogins Mark A. Air permeable garment and fabric with integral aerosol filtration
US8877316B2 (en) * 2002-12-20 2014-11-04 The Procter & Gamble Company Cloth-like personal care articles
US7008465B2 (en) 2003-06-19 2006-03-07 Donaldson Company, Inc. Cleanable high efficiency filter media structure and applications for use
DE10336380B4 (de) 2003-08-06 2005-08-25 Carl Freudenberg Kg Ultradünner, poröser und mechanisch stabiler Vliesstoff und dessen Verwendung
JP4379797B2 (ja) 2004-05-12 2009-12-09 株式会社小糸製作所 放電ランプ用アークチューブにおけるシュラウドガラス管の溶着方法および溶着装置。
US7235122B2 (en) 2004-11-08 2007-06-26 E. I. Du Pont De Nemours And Company Filtration media for filtering particulate material from gas streams
US8092566B2 (en) 2004-12-28 2012-01-10 E.I. Du Pont De Nemours And Company Filtration media for filtering particulate material from gas streams
US7618702B2 (en) 2006-01-17 2009-11-17 Cornell Research Foundation, Inc. Cellulosic/polyamide composite

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004508168A (ja) * 2000-09-05 2004-03-18 ドナルドソン　カンパニー，インコーポレイティド ガスタービン・システム向けの空気の濾過方法
JP2004508164A (ja) * 2000-09-05 2004-03-18 ドナルドソン　カンパニー，インコーポレイティド バッグハウス・エレメント
JP2002249966A (ja) * 2001-01-26 2002-09-06 Korea Inst Of Science & Technology 微細繊維状高分子ウェブの製造方法
WO2003080905A1 (en) * 2002-03-26 2003-10-02 Nano Technics Co., Ltd. A manufacturing device and the method of preparing for the nanofibers via electro-blown spinning process

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CN101132907A (zh) 2008-02-27
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