AU5819900A - Multilayer steel cord for tyre casing - Google Patents

Multilayer steel cord for tyre casing

Info

Publication number
AU5819900A
AU5819900A AU58199/00A AU5819900A AU5819900A AU 5819900 A AU5819900 A AU 5819900A AU 58199/00 A AU58199/00 A AU 58199/00A AU 5819900 A AU5819900 A AU 5819900A AU 5819900 A AU5819900 A AU 5819900A
Authority
AU
Australia
Prior art keywords
layer
wires
wound
diameter
cable
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.)
Abandoned
Application number
AU58199/00A
Other languages
English (en)
Inventor
Francois-Jacques Cordonnier
Alain Domingo
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.)
MICHELIN RECHERCHE ET TECHNIQUE SA
Societe de Technologie Michelin SAS
Original Assignee
Michelin Recherche et Technique SA Switzerland
Societe de Technologie Michelin SAS
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 Michelin Recherche et Technique SA Switzerland, Societe de Technologie Michelin SAS filed Critical Michelin Recherche et Technique SA Switzerland
Publication of AU5819900A publication Critical patent/AU5819900A/en
Abandoned legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • D07B1/0606—Reinforcing cords for rubber or plastic articles
    • D07B1/062—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the strand configuration
    • D07B1/0633—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the strand configuration having a multiple-layer configuration
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
    • B60C2009/0014—Surface treatments of steel cords
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C2200/00—Tyres specially adapted for particular applications
    • B60C2200/06—Tyres specially adapted for particular applications for heavy duty vehicles
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • D07B1/0606—Reinforcing cords for rubber or plastic articles
    • D07B1/0613—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the rope configuration
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2015—Strands
    • D07B2201/2023—Strands with core
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2015—Strands
    • D07B2201/2024—Strands twisted
    • D07B2201/2027—Compact winding
    • D07B2201/2028—Compact winding having the same lay direction and lay pitch
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2015—Strands
    • D07B2201/2024—Strands twisted
    • D07B2201/2029—Open winding
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2015—Strands
    • D07B2201/2024—Strands twisted
    • D07B2201/2029—Open winding
    • D07B2201/2031—Different twist pitch
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2047—Cores
    • D07B2201/2051—Cores characterised by a value or range of the dimension given
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2047—Cores
    • D07B2201/2052—Cores characterised by their structure
    • D07B2201/2059—Cores characterised by their structure comprising wires
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2401/00—Aspects related to the problem to be solved or advantage
    • D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
    • D07B2401/208—Enabling filler penetration
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2046—Tyre cords
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S57/00—Textiles: spinning, twisting, and twining
    • Y10S57/902—Reinforcing or tyre cords
    • 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
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10495—Pneumatic tire or inner tube
    • Y10T152/10765—Characterized by belt or breaker structure
    • Y10T152/1081—Breaker or belt characterized by the chemical composition or physical properties of elastomer or the like
    • 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
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10495—Pneumatic tire or inner tube
    • Y10T152/10819—Characterized by the structure of the bead portion of the tire
    • Y10T152/10846—Bead characterized by the chemical composition and or physical properties of elastomers or the like
    • 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
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10495—Pneumatic tire or inner tube
    • Y10T152/10855—Characterized by the carcass, carcass material, or physical arrangement of the carcass materials
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/249933—Fiber embedded in or on the surface of a natural or synthetic rubber matrix
    • Y10T428/249934—Fibers are aligned substantially parallel
    • 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
    • Y10T428/2973—Particular cross section

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Tires In General (AREA)
  • Meat, Egg Or Seafood Products (AREA)
AU58199/00A 1999-06-29 2000-06-26 Multilayer steel cord for tyre casing Abandoned AU5819900A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9908446A FR2795751A1 (fr) 1999-06-29 1999-06-29 Cable d'acier multicouches pour carcasse de pneumatique
FR9908446 1999-06-29
PCT/EP2000/005882 WO2001000922A1 (fr) 1999-06-29 2000-06-26 Cable d'acier multicouches pour carcasse de pneumatique

Publications (1)

Publication Number Publication Date
AU5819900A true AU5819900A (en) 2001-01-31

Family

ID=9547560

Family Applications (1)

Application Number Title Priority Date Filing Date
AU58199/00A Abandoned AU5819900A (en) 1999-06-29 2000-06-26 Multilayer steel cord for tyre casing

Country Status (14)

Country Link
US (1) US6748989B2 (enExample)
EP (1) EP1200671B1 (enExample)
JP (1) JP4686086B2 (enExample)
KR (1) KR100686906B1 (enExample)
CN (1) CN1295393C (enExample)
AT (1) ATE299964T1 (enExample)
AU (1) AU5819900A (enExample)
BR (1) BR0012004B1 (enExample)
CA (1) CA2377170C (enExample)
DE (1) DE60021389T2 (enExample)
FR (1) FR2795751A1 (enExample)
MX (1) MXPA01013237A (enExample)
RU (1) RU2227186C2 (enExample)
WO (1) WO2001000922A1 (enExample)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3366701A (en) 1999-12-30 2001-07-16 Michelin Recherche Et Technique S.A. Multilayer steel cable for a tire carcass
EP1349984A1 (fr) * 2001-01-04 2003-10-08 Société de Technologie Michelin Cable d'acier multicouches pour armature de sommet de pneumatique
WO2002053827A1 (fr) 2001-01-04 2002-07-11 Société de Technologie Michelin Cable d'acier multicouches pour armature de sommet de pneumatique
FR2841573A1 (fr) * 2002-06-26 2004-01-02 Michelin Soc Tech Cables hybrides a couches utilisables pour renforcer des pneumatiques
US20050222318A1 (en) * 2002-10-02 2005-10-06 Michelin Recherche Et Technique S.A. Carcass reinforcement for tire intended to bear heavy loads
ATE500381T1 (de) * 2002-10-11 2011-03-15 Michelin Soc Tech Korde zur verstärkung von reifen für schwerfahrzeuge
JP2005002515A (ja) * 2003-06-13 2005-01-06 Bridgestone Corp スチールコード
CN100572655C (zh) * 2003-07-17 2009-12-23 贝卡尔特股份有限公司 具有高断裂负载的开放分层钢丝帘布
FR2864556B1 (fr) * 2003-12-24 2006-02-24 Michelin Soc Tech Cable a couches pour armature de carcasse de pneumatique
JP2006283249A (ja) * 2005-04-01 2006-10-19 Toyo Tire & Rubber Co Ltd スチールコードの製造方法とスチールコード及び空気入りラジアルタイヤ
JP4806587B2 (ja) * 2006-05-25 2011-11-02 東京製綱株式会社 スチールコードの製造方法及びスチールコード
KR100787761B1 (ko) * 2006-11-23 2007-12-24 한국타이어 주식회사 복합 스틸코드 및 이를 이용한 래디얼 타이어
FR2938557B1 (fr) * 2008-11-17 2011-02-18 Michelin Soc Tech Cable a trois couches, gomme in situ, pour armature de carcasse de pneumatique
FR2940184B1 (fr) * 2008-12-22 2011-03-04 Michelin Soc Tech Pneumatique comportant des cables d'armature de carcasse presentant une faible permeabilite, et des fils textiles associes a l'armature de carcasse
FR2940183B1 (fr) * 2008-12-22 2011-03-04 Michelin Soc Tech Pneumatique comportant des cables d'armature de carcasse presentant une faible permeabilite, et des fils textiles associes a l'armature de carcasse
FR2947575B1 (fr) 2009-07-03 2011-08-19 Michelin Soc Tech Cable multitorons dont les torons elementaires sont des cables a deux couches gommes in situ.
FR2947577B1 (fr) 2009-07-03 2013-02-22 Michelin Soc Tech Cable metallique a trois couches gomme in situ de construction 3+m+n
FR2947574B1 (fr) 2009-07-03 2012-11-09 Michelin Soc Tech Cable multitorons dont les torons elementaires sont des cables a deux couches gommes in situ.
FR2950838B1 (fr) * 2009-10-07 2013-02-22 Michelin Soc Tech Pneumatique comportant des cables d'armatures de carcasse presentant une faible permeabilite, et des epaisseurs de melanges caoutchouteux variables.
US20120193006A1 (en) * 2009-10-16 2012-08-02 The Yokohama Rubber Co., Ltd. Pneumatic tire
FR2954219A1 (fr) * 2009-11-17 2011-06-24 Michelin Soc Tech Pneumatique comportant des cables d'armature de carcasse presentant des permeabilites differentes
FR2953452B1 (fr) 2009-12-04 2011-12-09 Michelin Soc Tech Pneumatique comportant des cables d'armature de carcasse frettes
FR2953450B1 (fr) * 2009-12-04 2011-11-18 Michelin Soc Tech Pneumatique comportant des cables d'armature de carcasse presentant des permeabilites differentes
FR2989028B1 (fr) * 2012-04-06 2015-03-06 Michelin & Cie Pneumatique comportant une armature de carcasse dont les elements de renforcement sont fortement penetres
JP5825234B2 (ja) 2012-09-11 2015-12-02 横浜ゴム株式会社 ゴム補強用スチールコードおよびコンベヤベルト
FR2999614B1 (fr) * 2012-12-14 2015-08-21 Michelin & Cie Cable metallique a couches a haute penetrabilite
TWI427207B (zh) * 2013-04-26 2014-02-21 Yuan Hung Wen 繩索
KR101523429B1 (ko) * 2013-09-06 2015-05-27 한국타이어 주식회사 타이어 보강용 스틸코드 및 이를 적용한 래디얼 타이어
FR3014913B1 (fr) * 2013-12-16 2016-12-09 Michelin & Cie Cable metallique multi-torons a deux couches
FR3014914B1 (fr) * 2013-12-16 2016-12-09 Michelin & Cie Cable metallique multi-torons a deux couches
DE102015203527A1 (de) 2015-02-27 2016-09-01 Continental Reifen Deutschland Gmbh Nutzfahrzeugreifen mit niedriger Querschnittshöhe
EP3645442B1 (en) * 2017-06-27 2024-05-22 Bekaert Advanced Cords Aalter NV Belt reinforced with steel strands
PL3645785T3 (pl) 2017-06-27 2024-11-04 Bekaert Advanced Cords Aalter Nv Splot wzmacniający do wzmacniania wyrobu polimerowego
FR3103200A1 (fr) 2019-11-15 2021-05-21 Compagnie Generale Des Etablissements Michelin Câble métalliques à deux couches avec couche interne gainée à rendement amélioré
CN116397452A (zh) * 2023-05-24 2023-07-07 江苏兴达钢帘线股份有限公司 一种钢丝帘线

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JPS604312B2 (ja) 1973-07-17 1985-02-02 住友電気工業株式会社 補強用スチ−ルコ−ド
GB1582647A (en) 1977-07-07 1981-01-14 Bekaert Sa Nv Metal cord
NL191315C (nl) * 1981-05-08 1995-05-16 Bekaert Sa Nv Kabel voor het versterken van elastomeer materiaal en werkwijze voor het vervaardigen van een dergelijke kabel.
JPS58188201U (ja) 1982-06-04 1983-12-14 株式会社ブリヂストン ラジアルタイヤ
EP0168858B1 (en) 1984-07-09 1989-05-31 N.V. Bekaert S.A. Compact steel cord for improved tensile strength
GB8424086D0 (en) 1984-09-24 1984-10-31 Bekaert Sa Nv Steel cord
AU563184B2 (en) 1985-02-26 1987-07-02 Bridgestone Corporation Steel reinforcement cords
FR2603916B1 (fr) 1986-09-15 1990-11-30 Michelin & Cie Assemblages de fils de renfort pour matieres plastiques et/ou caoutchoucs comportant une ame; articles renforces par ces assemblages
JPS6410098U (enExample) * 1987-02-16 1989-01-19
FR2636978B1 (fr) 1988-09-28 1990-11-02 Michelin & Cie Assemblage a couches de fils concentriques
US5285836A (en) 1991-01-31 1994-02-15 Sumitomo Rubber Industries, Ltd. 3+7+13 steel cord and tire including same
JP3538205B2 (ja) * 1992-03-09 2004-06-14 住友ゴム工業株式会社 タイヤのカーカス用のスチールコード、タイヤのフィラー用のスチールコード、及びそれを用いたタイヤ
ES2090867T3 (es) 1992-04-27 1996-10-16 Bridgestone Corp Cordones de acero para refuerzo de articulos de caucho y neumaticos radiales.
FR2711149A1 (fr) 1993-10-15 1995-04-21 Michelin & Cie Fil en acier inoxydable pour carcasse d'enveloppe de pneumatique.
ES2150526T3 (es) 1994-02-24 2000-12-01 Bridgestone Corp Hilos de acero para el refuerzo de articulos de caucho y cubiertas neumaticas radiales utilizando dichos hilos.
EP0709236A1 (en) 1994-10-28 1996-05-01 Sumitomo Rubber Industries Limited Tyre cord
JP3805007B2 (ja) * 1994-11-14 2006-08-02 株式会社ブリヂストン ゴム物品補強用スチールコード
JPH08176977A (ja) * 1994-12-26 1996-07-09 Bridgestone Corp ゴム補強用スチールコード及びそれを使用したラジアルタイヤ
JP3455352B2 (ja) 1994-12-26 2003-10-14 株式会社ブリヂストン ゴム補強用スチールコード及びそれを使用したラジアルタイヤ
US5806296A (en) 1995-05-26 1998-09-15 Bridgestone Metalpha Corporation Corrosion resistant spiral steel filament and steel cord made therefrom
ES2149420T3 (es) 1995-12-14 2000-11-01 Bridgestone Corp Cables de acero para el reforzado de articulos de caucho y neumatico radial que utiliza dichos cables de acero.
JP3643123B2 (ja) 1996-04-18 2005-04-27 株式会社ブリヂストン ゴム物品補強用スチールコード及び空気入りタイヤ
WO1998041682A1 (fr) 1997-03-14 1998-09-24 Compagnie Generale Des Etablissements Michelin - Michelin & Cie Cable d'acier hybride pour pneumatique

Also Published As

Publication number Publication date
DE60021389D1 (de) 2005-08-25
CN1295393C (zh) 2007-01-17
BR0012004B1 (pt) 2011-07-12
WO2001000922A8 (fr) 2001-07-12
RU2227186C2 (ru) 2004-04-20
EP1200671B1 (fr) 2005-07-20
WO2001000922A1 (fr) 2001-01-04
JP2003503605A (ja) 2003-01-28
MXPA01013237A (es) 2002-06-21
KR20020019111A (ko) 2002-03-09
BR0012004A (pt) 2002-03-12
JP4686086B2 (ja) 2011-05-18
CA2377170A1 (fr) 2001-01-04
EP1200671A1 (fr) 2002-05-02
FR2795751A1 (fr) 2001-01-05
DE60021389T2 (de) 2006-04-27
CA2377170C (fr) 2008-12-30
ATE299964T1 (de) 2005-08-15
KR100686906B1 (ko) 2007-02-27
US6748989B2 (en) 2004-06-15
CN1359435A (zh) 2002-07-17
US20020153078A1 (en) 2002-10-24

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