KR100662827B1 - 복합섬유 부직포 - Google Patents
복합섬유 부직포 Download PDFInfo
- Publication number
- KR100662827B1 KR100662827B1 KR1020007008034A KR20007008034A KR100662827B1 KR 100662827 B1 KR100662827 B1 KR 100662827B1 KR 1020007008034 A KR1020007008034 A KR 1020007008034A KR 20007008034 A KR20007008034 A KR 20007008034A KR 100662827 B1 KR100662827 B1 KR 100662827B1
- Authority
- KR
- South Korea
- Prior art keywords
- nonwoven fabric
- composite fiber
- melting point
- resin
- polyethylene
- Prior art date
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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
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/11—Flash-spinning
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/04—Pigments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
- D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/30—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising olefins as the major constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- 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
- D04H1/40—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
- D04H1/56—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 in association with fibre formation, e.g. immediately following extrusion of staple 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
-
- 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
- D04H3/14—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 yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
- Y10T428/2924—Composite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
- Y10T428/2931—Fibers or filaments nonconcentric [e.g., side-by-side or eccentric, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Nonwoven Fabrics (AREA)
- Multicomponent Fibers (AREA)
Abstract
Description
실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 | 비교예 3 | 실시예 4 | |||
PE계 수지 (A) | 수지1 | 융점(℃) 밀도(g/㎤) 블렌딩비(중량비) | 130 0.965 70 | 130 0.965 60 | 130 0.965 50 | 125 0.950 100 | 123 0.945 100 | 130 0.965 70 | 130 0.965 70 |
수지2 | 융점(℃) 밀도(g/㎤) 블렌딩비(중량비) | 115 0.915 30 | 115 0.915 40 | 115 0.915 50 | - - - | - - - | 115 0.917 30 | 115 0.915 30 | |
PE계 수지 혼합물 | MFR(g/10분) Mw/Mn 밀도(g/㎤) | 60 2.7 0.949 | 60 2.7 0.944 | 60 2.7 0.939 | 60 2.9 0.950 | 60 2.7 0.945 | 60 4.3 0.950 | 60 2.7 0.949 | |
폴리프로필렌 (고융점수지(B)) | MFR(g/10분) Mw/Mn 융점(℃) | 60 2.4 165 | 60 2.4 165 | 60 2.4 165 | 60 2.4 165 | 60 2.4 165 | 60 2.4 165 | 60 2.4 165 | |
성분비 | 시이드/코어(PE/PP) | 30/70 | 30/70 | 30/70 | 30/70 | 60/40 | 30/70 | 30/70 | |
평가결과 | 방사성 | O | O | O | O | O | × | O | |
평량(g/㎡) | 23 | 23 | 23 | 23 | 23 | 23 | 7/3/7 | ||
강연도(MD+CD)(mm) | 77 | 74 | 75 | 81 | 75 | 77 | 76 | ||
인장강도(g/25mm) MD CD | 1850 250 | 1980 260 | 2120 280 | 1530 210 | 1220 140 | 1790 240 | 1680 260 | ||
내수도(mmAq) | 75 | 74 | 75 | 73 | 74 | 73 | 100 |
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP35741698 | 1998-12-16 | ||
JP98-357416 | 1998-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010034314A KR20010034314A (ko) | 2001-04-25 |
KR100662827B1 true KR100662827B1 (ko) | 2006-12-28 |
Family
ID=18454017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020007008034A KR100662827B1 (ko) | 1998-12-16 | 1999-12-15 | 복합섬유 부직포 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6355348B1 (ko) |
EP (1) | EP1057916B1 (ko) |
KR (1) | KR100662827B1 (ko) |
CN (1) | CN1090259C (ko) |
DE (1) | DE69941683D1 (ko) |
WO (1) | WO2000036200A1 (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6391443B1 (en) * | 2000-05-29 | 2002-05-21 | Chisso Corporation | Polyethylene composite fiber and a non-woven fabric using the same |
US6831025B2 (en) | 2001-06-18 | 2004-12-14 | E. I. Du Pont De Nemours And Company | Multiple component spunbond web and laminates thereof |
JP4460836B2 (ja) * | 2003-01-16 | 2010-05-12 | 東海サーモ株式会社 | 芯地用複合糸、芯地用布帛及び芯地用布帛の製造方法 |
US7101623B2 (en) * | 2004-03-19 | 2006-09-05 | Dow Global Technologies Inc. | Extensible and elastic conjugate fibers and webs having a nontacky feel |
TW200934897A (en) * | 2007-12-14 | 2009-08-16 | Es Fiber Visions Co Ltd | Conjugate fiber having low-temperature processability, nonwoven fabric and formed article using the conjugate fiber |
US9498932B2 (en) * | 2008-09-30 | 2016-11-22 | Exxonmobil Chemical Patents Inc. | Multi-layered meltblown composite and methods for making same |
US8664129B2 (en) * | 2008-11-14 | 2014-03-04 | Exxonmobil Chemical Patents Inc. | Extensible nonwoven facing layer for elastic multilayer fabrics |
US20100266818A1 (en) * | 2009-04-21 | 2010-10-21 | Alistair Duncan Westwood | Multilayer Composites And Apparatuses And Methods For Their Making |
US10161063B2 (en) * | 2008-09-30 | 2018-12-25 | Exxonmobil Chemical Patents Inc. | Polyolefin-based elastic meltblown fabrics |
US9168718B2 (en) | 2009-04-21 | 2015-10-27 | Exxonmobil Chemical Patents Inc. | Method for producing temperature resistant nonwovens |
US20100266824A1 (en) * | 2009-04-21 | 2010-10-21 | Alistair Duncan Westwood | Elastic Meltblown Laminate Constructions and Methods for Making Same |
CN102395464A (zh) * | 2009-02-27 | 2012-03-28 | 埃克森美孚化学专利公司 | 具有非弹性区的双轴弹性非织造层压体 |
US8668975B2 (en) * | 2009-11-24 | 2014-03-11 | Exxonmobil Chemical Patents Inc. | Fabric with discrete elastic and plastic regions and method for making same |
US8389426B2 (en) | 2010-01-04 | 2013-03-05 | Trevira Gmbh | Bicomponent fiber |
JP6336908B2 (ja) | 2011-10-05 | 2018-06-06 | ダウ グローバル テクノロジーズ エルエルシー | スパンボンド不織布 |
CN103088552B (zh) * | 2013-02-05 | 2014-12-17 | 宁波市奇兴无纺布有限公司 | 一种聚乙烯纺粘布的生产工艺 |
US20170056257A1 (en) * | 2015-08-27 | 2017-03-02 | The Procter & Gamble Company | Belted structure |
DE102016109115A1 (de) * | 2016-05-18 | 2017-11-23 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Spinnvlies aus Endlosfilamenten |
CN111574778B (zh) * | 2020-06-10 | 2022-09-23 | 山东京博石油化工有限公司 | 一种超高流动聚丁烯合金熔喷无纺布专用料及其制备方法和应用 |
KR102289604B1 (ko) * | 2020-09-15 | 2021-08-17 | 한영산업주식회사 | 마모성과 인장강도가 우수한 신발용 투습 방수 부직포의 제조방법 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5164020A (en) * | 1974-11-30 | 1976-06-03 | Chisso Corp | Fukugoseni oyobi sonoseizoho |
JPS58191215A (ja) * | 1982-04-28 | 1983-11-08 | Chisso Corp | ポリエチレン系熱接着性繊維 |
JPS599255A (ja) | 1982-06-29 | 1984-01-18 | チッソ株式会社 | 熱接着不織布 |
US4634739A (en) | 1984-12-27 | 1987-01-06 | E. I. Du Pont De Nemours And Company | Blend of polyethylene and polypropylene |
JPH07103490B2 (ja) | 1986-10-20 | 1995-11-08 | 宇部日東化成株式会社 | 複合系熱融着性繊維 |
JPS6420322A (en) | 1987-07-13 | 1989-01-24 | Mitsubishi Petrochemical Co | Conjugated fiber |
DK245488D0 (da) * | 1988-05-05 | 1988-05-05 | Danaklon As | Syntetisk fiber samt fremgangsmaade til fremstilling deraf |
JP2775476B2 (ja) | 1989-07-31 | 1998-07-16 | チッソ株式会社 | 複合型熱接着性繊維及びこれを用いた不織布 |
JPH05186955A (ja) | 1992-01-14 | 1993-07-27 | Unitika Ltd | 熱接着長繊維不織布 |
US5622772A (en) * | 1994-06-03 | 1997-04-22 | Kimberly-Clark Corporation | Highly crimpable spunbond conjugate fibers and nonwoven webs made therefrom |
US5635290A (en) * | 1994-07-18 | 1997-06-03 | Kimberly-Clark Corporation | Knit like nonwoven fabric composite |
JPH10158969A (ja) | 1996-11-21 | 1998-06-16 | Oji Paper Co Ltd | 複合長繊維不織布及びその製造方法 |
-
1999
- 1999-12-15 KR KR1020007008034A patent/KR100662827B1/ko active IP Right Grant
- 1999-12-15 DE DE69941683T patent/DE69941683D1/de not_active Expired - Lifetime
- 1999-12-15 CN CN99802958A patent/CN1090259C/zh not_active Expired - Lifetime
- 1999-12-15 EP EP99959812A patent/EP1057916B1/en not_active Revoked
- 1999-12-15 WO PCT/JP1999/007026 patent/WO2000036200A1/ja active IP Right Grant
- 1999-12-15 US US09/622,009 patent/US6355348B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69941683D1 (de) | 2010-01-07 |
WO2000036200A1 (fr) | 2000-06-22 |
KR20010034314A (ko) | 2001-04-25 |
EP1057916A1 (en) | 2000-12-06 |
CN1291245A (zh) | 2001-04-11 |
EP1057916A4 (en) | 2003-01-02 |
US6355348B1 (en) | 2002-03-12 |
EP1057916B1 (en) | 2009-11-25 |
CN1090259C (zh) | 2002-09-04 |
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