UA74884C2 - Welder, system of electric arc welding, device and method for electric arc welding by short circuit - Google Patents

Welder, system of electric arc welding, device and method for electric arc welding by short circuit Download PDF

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Publication number
UA74884C2
UA74884C2 UA20031110318A UA20031110318A UA74884C2 UA 74884 C2 UA74884 C2 UA 74884C2 UA 20031110318 A UA20031110318 A UA 20031110318A UA 20031110318 A UA20031110318 A UA 20031110318A UA 74884 C2 UA74884 C2 UA 74884C2
Authority
UA
Ukraine
Prior art keywords
current
welding
power source
arc
items
Prior art date
Application number
UA20031110318A
Other languages
English (en)
Ukrainian (uk)
Inventor
William S Houston
Russel C Myers
Elliott K Stava
Original Assignee
Linkoln Global Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25270917&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=UA74884(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Linkoln Global Inc filed Critical Linkoln Global Inc
Publication of UA74884C2 publication Critical patent/UA74884C2/uk

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
    • B23K9/1006—Power supply
    • B23K9/1043—Power supply characterised by the electric circuit
    • B23K9/1056—Power supply characterised by the electric circuit by using digital means
    • B23K9/1062—Power supply characterised by the electric circuit by using digital means with computing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/095—Monitoring or automatic control of welding parameters
    • B23K9/0953—Monitoring or automatic control of welding parameters using computing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/095—Monitoring or automatic control of welding parameters
    • B23K9/0956—Monitoring or automatic control of welding parameters using sensing means, e.g. optical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
    • B23K9/1006—Power supply
    • B23K9/1075—Parallel power supply, i.e. multiple power supplies or multiple inverters supplying a single arc or welding current

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Arc Welding Control (AREA)
  • Generation Of Surge Voltage And Current (AREA)
  • Arc Welding In General (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Discharge Heating (AREA)
UA20031110318A 2001-04-17 2002-08-03 Welder, system of electric arc welding, device and method for electric arc welding by short circuit UA74884C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/835,972 US6472634B1 (en) 2001-04-17 2001-04-17 Electric arc welding system
PCT/US2002/007432 WO2002083351A1 (en) 2001-04-17 2002-03-08 Electric arc welding system

Publications (1)

Publication Number Publication Date
UA74884C2 true UA74884C2 (en) 2006-02-15

Family

ID=25270917

Family Applications (1)

Application Number Title Priority Date Filing Date
UA20031110318A UA74884C2 (en) 2001-04-17 2002-08-03 Welder, system of electric arc welding, device and method for electric arc welding by short circuit

Country Status (15)

Country Link
US (4) US6472634B1 (de)
EP (1) EP1387732B2 (de)
JP (1) JP4532073B2 (de)
KR (1) KR100592356B1 (de)
CN (2) CN101062530B (de)
AT (1) ATE508829T1 (de)
AU (1) AU2002252295B2 (de)
DK (1) DK1387732T3 (de)
EG (1) EG22920A (de)
RU (1) RU2275280C2 (de)
SA (1) SA02230117B1 (de)
TW (1) TWI270433B (de)
UA (1) UA74884C2 (de)
WO (1) WO2002083351A1 (de)
ZA (1) ZA200307589B (de)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030149368A1 (en) * 2000-10-24 2003-08-07 Hennemann Willard W. Method and apparatus for locating and detecting vascular plaque via impedence and conductivity measurements, and for cryogenically passivating vascular plaque and inhibiting vascular plaque progression and rupture
US6472634B1 (en) * 2001-04-17 2002-10-29 Lincoln Global, Inc. Electric arc welding system
US6504131B1 (en) * 2001-09-19 2003-01-07 Illinois Tool Works Inc. Welding-type power supply with boot loader
US6815640B1 (en) * 2002-07-09 2004-11-09 Lincoln Global, Inc. Apparatus, system and method to facilitate reconfigurable welding power supply
US7165707B2 (en) * 2002-07-23 2007-01-23 Illinois Tool Works Inc. Method and apparatus for feeding wire to a welding arc
US6963048B2 (en) * 2002-07-23 2005-11-08 Illinois Tool Works Inc. Method and apparatus for welding with mechanical arc control
US7102099B2 (en) 2002-07-23 2006-09-05 Illinois Tool Works Inc. Method and apparatus for feeding wire to a welding arc
US6984806B2 (en) * 2002-07-23 2006-01-10 Illinois Tool Works Inc. Method and apparatus for retracting and advancing a welding wire
US6969823B2 (en) * 2002-07-23 2005-11-29 Illinois Tool Works Inc. Method and apparatus for controlling a welding system
US8129297B2 (en) * 2002-07-29 2012-03-06 E. I. Du Pont De Nemours And Company Method and apparatus for heating nonwoven webs
US6847008B2 (en) * 2003-01-17 2005-01-25 Lincoln Global, Inc. Electric arc welding system
US7105772B2 (en) * 2003-03-24 2006-09-12 Lincoln Global, Inc. Arc welding system and method
US7274000B2 (en) * 2003-07-11 2007-09-25 Lincoln Global, Inc. Power source for high current welding
US7064290B2 (en) * 2003-09-08 2006-06-20 Lincoln Global, Inc. Electric arc welder and method for controlling the welding process of the welder
US7091446B2 (en) * 2003-12-15 2006-08-15 Lincoln Global, Inc. Electric arc welding system
US6940039B2 (en) * 2003-12-22 2005-09-06 Lincoln Global, Inc. Quality control module for tandem arc welding
US7105773B2 (en) 2004-01-12 2006-09-12 Lincoln Global, Inc. Electric arc welder
US8895896B2 (en) 2004-01-12 2014-11-25 Lincoln Global, Inc. Modified series arc welding and improved control of one sided series arc welding
US7053334B2 (en) * 2004-03-01 2006-05-30 Lincoln Global, Inc. Electric arc welder system with waveform profile control
US8704135B2 (en) 2006-01-20 2014-04-22 Lincoln Global, Inc. Synergistic welding system
US20070221643A1 (en) * 2004-04-29 2007-09-27 Lincoln Global, Inc. Gas-less process and system for girth welding in high strength applications including liquefied natural gas storage tanks
US7842903B2 (en) * 2005-10-31 2010-11-30 Lincoln Global, Inc. Short arc welding system
US9333580B2 (en) * 2004-04-29 2016-05-10 Lincoln Global, Inc. Gas-less process and system for girth welding in high strength applications
US8759715B2 (en) 2004-10-06 2014-06-24 Lincoln Global, Inc. Method of AC welding with cored electrode
US7166817B2 (en) * 2004-04-29 2007-01-23 Lincoln Global, Inc. Electric ARC welder system with waveform profile control for cored electrodes
US7208711B2 (en) * 2004-05-14 2007-04-24 Coolhead Technologies, Inc. Dielectric welding methods and apparatus
US8269141B2 (en) 2004-07-13 2012-09-18 Lincoln Global, Inc. Power source for electric arc welding
US9956639B2 (en) 2005-02-07 2018-05-01 Lincoln Global, Inc Modular power source for electric ARC welding and output chopper
US8785816B2 (en) 2004-07-13 2014-07-22 Lincoln Global, Inc. Three stage power source for electric arc welding
US8581147B2 (en) 2005-03-24 2013-11-12 Lincoln Global, Inc. Three stage power source for electric ARC welding
US9855620B2 (en) 2005-02-07 2018-01-02 Lincoln Global, Inc. Welding system and method of welding
US7495193B2 (en) * 2005-03-15 2009-02-24 Lincoln Global, Inc. Pipe seam tack welding methods and apparatus using modified series arc welding
US7968822B2 (en) * 2005-03-28 2011-06-28 Lincoln Global, Inc. Arc welding system
US9647555B2 (en) 2005-04-08 2017-05-09 Lincoln Global, Inc. Chopper output stage for arc welder power source
US20060231540A1 (en) * 2005-04-19 2006-10-19 Lincoln Global, Inc. Method and apparatus for short-circuit welding
US8680432B2 (en) * 2005-04-20 2014-03-25 Illinois Tool Works Inc. Cooperative welding system
US7989732B2 (en) * 2005-06-15 2011-08-02 Lincoln Global, Inc. Method of AC welding using a flux cored electrode
US8952291B2 (en) * 2005-09-15 2015-02-10 Lincoln Global, Inc. System and method for controlling a hybrid welding process
FR2896716B1 (fr) * 2006-01-31 2009-06-26 Abb Mc Soc Par Actions Simplif Procede de pilotage d'une station de travail robotisee et station de travail robotisee correspondante
US7457139B2 (en) * 2006-03-20 2008-11-25 Sansha Electric Manufacturing Company, Limited Power supply apparatus for arc-utilizing apparatuses
US8242410B2 (en) 2006-07-14 2012-08-14 Lincoln Global, Inc. Welding methods and systems
US9095929B2 (en) 2006-07-14 2015-08-04 Lincoln Global, Inc. Dual fillet welding methods and systems
US20080011727A1 (en) * 2006-07-14 2008-01-17 Lincoln Global, Inc. Dual fillet welding methods and systems
US10010961B2 (en) 2006-07-17 2018-07-03 Lincoln Global, Inc. Multiple arc welding system controls and methods
AT504197B1 (de) 2006-09-08 2010-01-15 Fronius Int Gmbh Schweissverfahren zur durchführung eines schweissprozesses
US20080078811A1 (en) * 2006-09-15 2008-04-03 The Lincoln Electric Company Weld data acquisition
US8963045B2 (en) * 2006-09-19 2015-02-24 Lincoln Global, Inc. Non-linear adaptive control system and method for welding
US8946596B2 (en) 2006-10-05 2015-02-03 Lincoln Global, Inc. Multiple welding using a single power source
SE531142C2 (sv) * 2007-05-11 2009-01-07 Esab Ab Svetskraftaggregat, förfarande samt datorprogramprodukt
KR100841422B1 (ko) * 2007-05-22 2008-06-25 (주)종합기계 내면 용접 장치
US9044818B2 (en) * 2007-11-08 2015-06-02 Lincoln Global, Inc. Method of welding two sides of a joint simultaneously
US8952293B2 (en) * 2008-03-14 2015-02-10 Illinois Tool Works Inc. Welding or cutting power supply using phase shift double forward converter circuit (PSDF)
KR101289370B1 (ko) 2008-09-30 2013-07-29 도쿠리츠교세이호징 붓시쯔 자이료 겐큐키코 금속재의 용접 장치 및 금속재의 용접 방법
EP2314406A4 (de) * 2009-02-25 2015-04-22 Panasonic Ip Man Co Ltd Schweissverfahren und schweisssystem
WO2010116695A1 (ja) * 2009-04-08 2010-10-14 パナソニック株式会社 アーク溶接方法およびアーク溶接装置
US8330077B2 (en) 2009-09-03 2012-12-11 Illinois Tool Works Inc. Remote welding system and method
SE534975C2 (sv) * 2009-10-16 2012-03-06 Tsc Innovation Ab Förfarande vid och anordning för installation och reparation av isolerade ledningsrör
JP5466484B2 (ja) * 2009-11-06 2014-04-09 株式会社神戸製鋼所 アーク溶接システム、シングルアーク溶接システムおよびタンデムアーク溶接システム
WO2011064952A1 (ja) * 2009-11-25 2011-06-03 パナソニック株式会社 溶接方法および溶接装置
JP5877316B2 (ja) * 2010-03-01 2016-03-08 パナソニックＩｐマネジメント株式会社 交流アーク溶接装置
US20110240620A1 (en) 2010-04-05 2011-10-06 Illinois Tool Works Inc. Welding system and method utilizing internal ethernet communications
US9162308B2 (en) * 2010-10-22 2015-10-20 Lincoln Global, Inc. Apparatus and method for pulse welding with AC waveform
US9180545B2 (en) * 2010-12-21 2015-11-10 Lincoln Global, Inc. Wire feeder with electrode power routing
CN102069265B (zh) * 2010-12-23 2012-08-22 哈尔滨工业大学 双丝动态三电弧焊接方法
US9403231B2 (en) 2011-11-09 2016-08-02 Illinois Tool Works Inc. Hybrid pulsed-short circuit welding regime
US10010959B2 (en) * 2011-11-11 2018-07-03 Lincoln Global, Inc. Systems and methods for associating data to a welder power source
CN102528227A (zh) * 2012-03-01 2012-07-04 天津大学 一种焊接设备网络监控装置及其控制方法
US9566657B2 (en) 2012-03-27 2017-02-14 Illinois Tool Works Inc. System and method for determining attachment and polarity of a welding electrode
US10040143B2 (en) 2012-12-12 2018-08-07 Illinois Tool Works Inc. Dabbing pulsed welding system and method
US10906114B2 (en) 2012-12-21 2021-02-02 Illinois Tool Works Inc. System for arc welding with enhanced metal deposition
US9950383B2 (en) 2013-02-05 2018-04-24 Illinois Tool Works Inc. Welding wire preheating system and method
US10376980B2 (en) * 2013-03-08 2019-08-13 Lincoln Global, Inc. Arc welding with synchronized high frequency assist arc initiation
US9221116B2 (en) * 2013-03-11 2015-12-29 Lincoln Global, Inc. Inductive discharge arc re-ignition and stabilizing circuit
US10835983B2 (en) 2013-03-14 2020-11-17 Illinois Tool Works Inc. Electrode negative pulse welding system and method
US9610646B2 (en) 2013-05-15 2017-04-04 Illinois Tool Works Inc. Polarity changing pin connector
RU2517199C1 (ru) * 2013-06-05 2014-05-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарева" Способ обеспечения групповой работы инверторных преобразователей
US11045891B2 (en) 2013-06-13 2021-06-29 Illinois Tool Works Inc. Systems and methods for anomalous cathode event control
JP6139285B2 (ja) * 2013-06-13 2017-05-31 株式会社ダイヘン アーク溶接機
US10828728B2 (en) 2013-09-26 2020-11-10 Illinois Tool Works Inc. Hotwire deposition material processing system and method
CN103862139B (zh) * 2014-03-24 2015-07-08 深圳市佳士科技股份有限公司 蓄电池电焊机输出控制电路
US11154946B2 (en) 2014-06-30 2021-10-26 Illinois Tool Works Inc. Systems and methods for the control of welding parameters
US11198189B2 (en) 2014-09-17 2021-12-14 Illinois Tool Works Inc. Electrode negative pulse welding system and method
US10173279B2 (en) * 2014-11-21 2019-01-08 Lincoln Global, Inc. Welding system
US11478870B2 (en) 2014-11-26 2022-10-25 Illinois Tool Works Inc. Dabbing pulsed welding system and method
US10189106B2 (en) 2014-12-11 2019-01-29 Illinois Tool Works Inc. Reduced energy welding system and method
US11370050B2 (en) 2015-03-31 2022-06-28 Illinois Tool Works Inc. Controlled short circuit welding system and method
US11285559B2 (en) 2015-11-30 2022-03-29 Illinois Tool Works Inc. Welding system and method for shielded welding wires
US10610946B2 (en) 2015-12-07 2020-04-07 Illinois Tool Works, Inc. Systems and methods for automated root pass welding
US10675699B2 (en) 2015-12-10 2020-06-09 Illinois Tool Works Inc. Systems, methods, and apparatus to preheat welding wire
CN108698153B (zh) * 2016-03-11 2022-01-25 株式会社达谊恒 电弧焊接系统
JP6650838B2 (ja) 2016-06-23 2020-02-19 株式会社ダイヘン 電源システム、電源装置、制御方法及び制御プログラム
US10532417B2 (en) 2016-08-08 2020-01-14 Lincoln Global, Inc. Dual battery hybrid engine drive welding power supply
US10766092B2 (en) 2017-04-18 2020-09-08 Illinois Tool Works Inc. Systems, methods, and apparatus to provide preheat voltage feedback loss protection
US10870164B2 (en) 2017-05-16 2020-12-22 Illinois Tool Works Inc. Systems, methods, and apparatus to preheat welding wire
US11524354B2 (en) 2017-06-09 2022-12-13 Illinois Tool Works Inc. Systems, methods, and apparatus to control weld current in a preheating system
US11247290B2 (en) 2017-06-09 2022-02-15 Illinois Tool Works Inc. Systems, methods, and apparatus to preheat welding wire
EP3634683B1 (de) 2017-06-09 2022-03-23 Illinois Tool Works, Inc. Schweissanordnung für einen schweissbrenner mit zwei kontaktspitzen und einem kühlkörper zum kühlen und leiten von strom
WO2018227189A1 (en) 2017-06-09 2018-12-13 Illinois Tool Works Inc. Contact tips with screw threads and head to enable unthreading or the screw threads comprising longitudinal slots for gas flow; welding torch with contact tips
CA3066619C (en) 2017-06-09 2022-07-19 Illinois Tool Works Inc. Welding torch with a first contact tip to preheat welding wire and a second contact tip
JP6835676B2 (ja) * 2017-07-05 2021-02-24 株式会社ダイヘン 電源システム、電源装置、制御方法及び制御プログラム
US11498148B2 (en) 2017-09-07 2022-11-15 Illinois Tool Works Inc. Methods and apparatus to synergically control a welding-type output during a welding-type operation
US11020813B2 (en) 2017-09-13 2021-06-01 Illinois Tool Works Inc. Systems, methods, and apparatus to reduce cast in a welding wire
CN113165097B (zh) 2018-08-31 2023-11-03 伊利诺斯工具制品有限公司 用于电阻式地预加热电极丝的埋弧焊系统和埋弧焊焊炬
US11014185B2 (en) 2018-09-27 2021-05-25 Illinois Tool Works Inc. Systems, methods, and apparatus for control of wire preheating in welding-type systems
CA3119590C (en) 2018-12-19 2024-06-11 Illinois Tool Works Inc. Contact tip, wire preheating assembly, contact tip assembly and consumable electrode-fed welding type system
US10710310B1 (en) * 2019-08-15 2020-07-14 Dukane Ias, Llc Multipoint controllers for power delivery to multiple probes in ultrasonic welding systems
US11772182B2 (en) 2019-12-20 2023-10-03 Illinois Tool Works Inc. Systems and methods for gas control during welding wire pretreatments
US11919110B2 (en) 2020-07-21 2024-03-05 Esab Ab Balance and offset in adaptive submerged arc welding
RU2759350C1 (ru) * 2021-02-01 2021-11-12 Общество с ограниченной ответственностью "ШТОРМ" Способ электродуговой сварки неповоротных кольцевых швов трубопроводов

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300683A (en) 1964-01-06 1967-01-24 Boeing Co Welding apparatus
US3458797A (en) * 1967-08-15 1969-07-29 Trw Inc Inverter circuit for supplying a sine wave substantially free of harmonics
US3637973A (en) 1969-02-19 1972-01-25 Mitsubishi Electric Corp Arc welding apparatus
JPS56111578A (en) * 1980-02-07 1981-09-03 Nippon Steel Corp Gas shielded arc welding method using alternating current multiple electrode
US4425613A (en) * 1981-05-26 1984-01-10 Sperry Corporation Forced load sharing circuit for inverter power supply
JPS5829574A (ja) * 1981-08-13 1983-02-21 Murase Kogyo Kk 短絡移行溶接用電源装置
US4503316A (en) * 1981-08-13 1985-03-05 Kabushiki Kaisha Kobe Seiko Sho DC Welding power supply system
US4985612A (en) † 1987-12-15 1991-01-15 Kabushiki Kaisha Toshiba Master computer controlled modular welder, weld control, and power unit apparatus and method
DE69317961T2 (de) * 1992-08-25 1998-09-10 Matsushita Electric Ind Co Ltd Lichtbogenschweiss- und Plasmaschneidemaschine
US6051810A (en) 1998-01-09 2000-04-18 Lincoln Global, Inc. Short circuit welder
US6023037A (en) 1998-11-05 2000-02-08 Lincoln Global, Inc. Electric ARC welder and plasma cutter
US6207929B1 (en) 1999-06-21 2001-03-27 Lincoln Global, Inc. Tandem electrode welder and method of welding with two electrodes
US6310320B1 (en) † 1999-01-07 2001-10-30 Illinois Tool Works Inc. Dual operator phase control engine driven welder
US6111216A (en) 1999-01-19 2000-08-29 Lincoln Global, Inc. High current welding power supply
US6291798B1 (en) * 1999-09-27 2001-09-18 Lincoln Global, Inc. Electric ARC welder with a plurality of power supplies
DE10060429A1 (de) * 1999-12-16 2001-07-12 Caterpillar Inc Verfahren und Vorrichtung zur Leistungsübertragung
US6365874B1 (en) 2000-05-22 2002-04-02 Lincoln Global, Inc. Power supply for electric arc welding
US6472634B1 (en) * 2001-04-17 2002-10-29 Lincoln Global, Inc. Electric arc welding system

Also Published As

Publication number Publication date
EP1387732A1 (de) 2004-02-11
EP1387732B1 (de) 2011-05-11
RU2003133298A (ru) 2005-05-10
WO2002083351A1 (en) 2002-10-24
TWI270433B (en) 2007-01-11
US6855912B2 (en) 2005-02-15
EP1387732B2 (de) 2018-06-20
JP4532073B2 (ja) 2010-08-25
EP1387732B8 (de) 2012-03-21
US6940040B2 (en) 2005-09-06
US20050023253A1 (en) 2005-02-03
US20030006222A1 (en) 2003-01-09
ZA200307589B (en) 2004-06-29
CN1610594A (zh) 2005-04-27
US20040065650A1 (en) 2004-04-08
AU2002252295B2 (en) 2005-11-03
DK1387732T3 (da) 2011-08-15
JP2004524161A (ja) 2004-08-12
US6472634B1 (en) 2002-10-29
EP1387732A4 (de) 2008-03-19
CN101062530A (zh) 2007-10-31
CN101062530B (zh) 2011-07-06
KR20040022418A (ko) 2004-03-12
SA02230117B1 (ar) 2007-07-31
ATE508829T1 (de) 2011-05-15
US6660966B2 (en) 2003-12-09
CN1329157C (zh) 2007-08-01
RU2275280C2 (ru) 2006-04-27
EG22920A (en) 2003-11-30
KR100592356B1 (ko) 2006-06-22

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