EP2801244B2 - Component for a contact start plasma arc torch - Google Patents

Component for a contact start plasma arc torch Download PDF

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Publication number
EP2801244B2
EP2801244B2 EP12801696.1A EP12801696A EP2801244B2 EP 2801244 B2 EP2801244 B2 EP 2801244B2 EP 12801696 A EP12801696 A EP 12801696A EP 2801244 B2 EP2801244 B2 EP 2801244B2
Authority
EP
European Patent Office
Prior art keywords
contact
electrode
electrode body
contact element
resilient
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.)
Active
Application number
EP12801696.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2801244A1 (en
EP2801244B1 (en
Inventor
Jonathan P. MATHER
Nicholas A. Sanders
Jon W. Lindsay
Peter Twarog
E. Michael Shipulski
Zheng Duan
David Jonathan Cook
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.)
Hypertherm Inc
Original Assignee
Hypertherm 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=47358307&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2801244(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US13/344,860 external-priority patent/US9492883B2/en
Application filed by Hypertherm Inc filed Critical Hypertherm Inc
Publication of EP2801244A1 publication Critical patent/EP2801244A1/en
Application granted granted Critical
Publication of EP2801244B1 publication Critical patent/EP2801244B1/en
Publication of EP2801244B2 publication Critical patent/EP2801244B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3489—Means for contact starting

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plasma Technology (AREA)
  • Arc Welding In General (AREA)
EP12801696.1A 2012-01-06 2012-12-06 Component for a contact start plasma arc torch Active EP2801244B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/344,860 US9492883B2 (en) 2006-02-17 2012-01-06 Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes
PCT/US2012/068135 WO2013103466A1 (en) 2012-01-06 2012-12-06 Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes

Publications (3)

Publication Number Publication Date
EP2801244A1 EP2801244A1 (en) 2014-11-12
EP2801244B1 EP2801244B1 (en) 2017-06-21
EP2801244B2 true EP2801244B2 (en) 2020-04-15

Family

ID=47358307

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12801696.1A Active EP2801244B2 (en) 2012-01-06 2012-12-06 Component for a contact start plasma arc torch

Country Status (3)

Country Link
EP (1) EP2801244B2 (zh)
CN (1) CN104081882B (zh)
WO (1) WO2013103466A1 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10542614B2 (en) 2013-07-18 2020-01-21 Hypertherm, Inc. Apparatus and method for securing a plasma torch electrode
US11684995B2 (en) 2013-11-13 2023-06-27 Hypertherm, Inc. Cost effective cartridge for a plasma arc torch
US9981335B2 (en) 2013-11-13 2018-05-29 Hypertherm, Inc. Consumable cartridge for a plasma arc cutting system
US11432393B2 (en) 2013-11-13 2022-08-30 Hypertherm, Inc. Cost effective cartridge for a plasma arc torch
US11278983B2 (en) 2013-11-13 2022-03-22 Hypertherm, Inc. Consumable cartridge for a plasma arc cutting system
US10456855B2 (en) 2013-11-13 2019-10-29 Hypertherm, Inc. Consumable cartridge for a plasma arc cutting system
RU2670598C9 (ru) * 2014-05-09 2018-11-21 Гипертерм, Инк. Расходный картридж для системы плазменно-дуговой резки
US9572243B2 (en) * 2014-05-19 2017-02-14 Lincoln Global, Inc. Air cooled plasma torch and components thereof
CN105208762A (zh) * 2014-06-06 2015-12-30 成都真火科技有限公司 一种层流等离子发生器阴极结构
RU2693233C2 (ru) 2014-08-12 2019-07-01 Гипертерм, Инк. Затратоэффективная головка для плазменно-дуговой горелки
US10278274B2 (en) 2015-08-04 2019-04-30 Hypertherm, Inc. Cartridge for a liquid-cooled plasma arc torch
US10413991B2 (en) 2015-12-29 2019-09-17 Hypertherm, Inc. Supplying pressurized gas to plasma arc torch consumables and related systems and methods
WO2018157052A1 (en) * 2017-02-27 2018-08-30 Hypertherm, Inc. Thread connection for a torch system
CZ2019808A3 (cs) * 2019-12-30 2021-07-07 B&Bartoni, spol. s r.o. Sestava plazmového obloukového hořáku s kontaktním startem

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1898441A (en) 1928-06-08 1933-02-21 Grigsby Grunow Co Reproducer
US2683791A (en) 1951-08-27 1954-07-13 Herbert E Ruehlemann Wire arc welding method and device
US3004189A (en) 1959-10-05 1961-10-10 Plasmadyne Corp Combination automatic-starting electrical plasma torch and gas shutoff valve
US3210586A (en) 1960-08-25 1965-10-05 Avco Corp Vibratory arc device
US3242305A (en) 1963-07-03 1966-03-22 Union Carbide Corp Pressure retract arc torch
US4701590A (en) 1986-04-17 1987-10-20 Thermal Dynamics Corporation Spring loaded electrode exposure interlock device
US4716269A (en) 1986-10-01 1987-12-29 L-Tec Company Plasma arc torch having supplemental electrode cooling mechanisms
US4902871A (en) 1987-01-30 1990-02-20 Hypertherm, Inc. Apparatus and process for cooling a plasma arc electrode
US4791268A (en) 1987-01-30 1988-12-13 Hypertherm, Inc. Arc plasma torch and method using contact starting
FR2696613B1 (fr) 1992-10-02 1995-03-03 Soudure Autogene Francaise Torche à plasma d'arc et procédé de mise en Óoeuvre.
JPH07210687A (ja) 1994-01-18 1995-08-11 Matsushita Electric Ind Co Ltd 形状検出装置
US5796067A (en) 1995-10-30 1998-08-18 The Lincoln Electric Company Plasma arc torches and methods of operating and testing the same
US5994663A (en) 1996-10-08 1999-11-30 Hypertherm, Inc. Plasma arc torch and method using blow forward contact starting system
US6133543A (en) 1998-11-06 2000-10-17 Hypertherm, Inc. System and method for dual threshold sensing in a plasma ARC torch
US6403915B1 (en) 2000-08-31 2002-06-11 Hypertherm, Inc. Electrode for a plasma arc torch having an enhanced cooling configuration
US6717096B2 (en) 2001-02-27 2004-04-06 Thermal Dynamics Corporation Dual mode plasma arc torch
US6703581B2 (en) * 2001-02-27 2004-03-09 Thermal Dynamics Corporation Contact start plasma torch
AU2007217815B2 (en) * 2006-02-17 2013-09-05 Hypertherm, Inc. Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes
CN101632328B (zh) 2007-02-16 2013-04-24 海别得公司 气体冷却的等离子体电弧割炬
US8258423B2 (en) 2009-08-10 2012-09-04 The Esab Group, Inc. Retract start plasma torch with reversible coolant flow
US8258424B2 (en) * 2009-08-20 2012-09-04 The Esab Group, Inc. Plasma torch with electrode wear detection system

Also Published As

Publication number Publication date
WO2013103466A1 (en) 2013-07-11
EP2801244A1 (en) 2014-11-12
CN104081882B (zh) 2017-06-30
EP2801244B1 (en) 2017-06-21
CN104081882A (zh) 2014-10-01

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