EP0110735A3 - Single gas plasma torch - Google Patents

Single gas plasma torch Download PDF

Info

Publication number
EP0110735A3
EP0110735A3 EP83401896A EP83401896A EP0110735A3 EP 0110735 A3 EP0110735 A3 EP 0110735A3 EP 83401896 A EP83401896 A EP 83401896A EP 83401896 A EP83401896 A EP 83401896A EP 0110735 A3 EP0110735 A3 EP 0110735A3
Authority
EP
European Patent Office
Prior art keywords
plasma torch
gas plasma
single gas
torch
plasma
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.)
Granted
Application number
EP83401896A
Other languages
French (fr)
Other versions
EP0110735B1 (en
EP0110735A2 (en
Inventor
Gerard Marhic
Didier Schaff
Francis Remy
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Lincoln Electric Co France SA
Original Assignee
La Soudure Autogene Francaise
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 La Soudure Autogene Francaise, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical La Soudure Autogene Francaise
Publication of EP0110735A2 publication Critical patent/EP0110735A2/en
Publication of EP0110735A3 publication Critical patent/EP0110735A3/en
Application granted granted Critical
Publication of EP0110735B1 publication Critical patent/EP0110735B1/en
Expired legal-status Critical Current

Links

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
    • H05H1/28—Cooling arrangements
    • 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
    • H05H1/3436—Hollow cathodes with internal coolant flow
    • 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
    • H05H1/3442—Cathodes with inserted tip

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plasma Technology (AREA)
  • Arc Welding In General (AREA)
EP83401896A 1982-10-01 1983-09-28 Single gas plasma torch Expired EP0110735B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8216512 1982-10-01
FR8216512A FR2534106A1 (en) 1982-10-01 1982-10-01 MONOGAZ PLASMA TORCH

Publications (3)

Publication Number Publication Date
EP0110735A2 EP0110735A2 (en) 1984-06-13
EP0110735A3 true EP0110735A3 (en) 1984-10-24
EP0110735B1 EP0110735B1 (en) 1987-11-19

Family

ID=9277904

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83401896A Expired EP0110735B1 (en) 1982-10-01 1983-09-28 Single gas plasma torch

Country Status (11)

Country Link
US (1) US4625094A (en)
EP (1) EP0110735B1 (en)
JP (1) JPS5983400A (en)
AU (1) AU561117B2 (en)
BR (1) BR8305417A (en)
CA (1) CA1218118A (en)
DE (2) DE110735T1 (en)
ES (1) ES283176Y (en)
FR (1) FR2534106A1 (en)
PT (1) PT77416B (en)
ZA (1) ZA837071B (en)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581516A (en) * 1983-07-20 1986-04-08 Thermal Dynamics Corporation Plasma torch with a common gas source for the plasma and for the secondary gas flows
FR2574614B1 (en) * 1984-12-07 1987-01-30 Soudure Autogene Francaise METHOD AND DEVICE FOR FORMING A PLASMA ARC
GB8508758D0 (en) * 1985-04-03 1985-05-09 Goodwin Eng Developments Ltd D Plasma arc apparatus
JPS6296969U (en) * 1985-12-05 1987-06-20
JPH0329022Y2 (en) * 1986-03-12 1991-06-20
US4748312A (en) * 1986-04-10 1988-05-31 Thermal Dynamics Corporation Plasma-arc torch with gas cooled blow-out electrode
GB8615759D0 (en) * 1986-06-27 1986-08-06 W T C Holdings Ltd Air plasma arc torch
US4716269A (en) * 1986-10-01 1987-12-29 L-Tec Company Plasma arc torch having supplemental electrode cooling mechanisms
FR2609591B1 (en) * 1987-01-13 1990-12-07 Soudure Autogene Francaise HEADPHONES FOR ARC WORK TORCHES AND CORRESPONDING TORCHES
US4902871A (en) * 1987-01-30 1990-02-20 Hypertherm, Inc. Apparatus and process for cooling a plasma arc electrode
US5041713A (en) * 1988-05-13 1991-08-20 Marinelon, Inc. Apparatus and method for applying plasma flame sprayed polymers
US4985610A (en) * 1988-05-26 1991-01-15 E. I. Du Pont De Nemours And Company Cutting torch
US5695662A (en) * 1988-06-07 1997-12-09 Hypertherm, Inc. Plasma arc cutting process and apparatus using an oxygen-rich gas shield
US5396043A (en) * 1988-06-07 1995-03-07 Hypertherm, Inc. Plasma arc cutting process and apparatus using an oxygen-rich gas shield
US5132512A (en) * 1988-06-07 1992-07-21 Hypertherm, Inc. Arc torch nozzle shield for plasma
US5070227A (en) * 1990-04-24 1991-12-03 Hypertherm, Inc. Proceses and apparatus for reducing electrode wear in a plasma arc torch
US5120930A (en) * 1988-06-07 1992-06-09 Hypertherm, Inc. Plasma arc torch with improved nozzle shield and step flow
IN180745B (en) * 1990-01-17 1998-03-14 Univ Sydney
US5039837A (en) * 1990-02-23 1991-08-13 Tescom Corporation Plasma torch head, body, handle and control circuitry
DE4022112C2 (en) * 1990-07-11 1996-03-14 Mannesmann Ag Plasma torch for transmitted arc
JPH0463599U (en) * 1990-10-11 1992-05-29
IT1243170B (en) * 1990-11-29 1994-05-24 Trafimet Trafilerie Metalliche PLASMA CUTTING TORCH WITH TRIGGER FOR CONTACT
US5317126A (en) * 1992-01-14 1994-05-31 Hypertherm, Inc. Nozzle and method of operation for a plasma arc torch
US5214262A (en) * 1992-04-03 1993-05-25 Esab Welding Products, Inc. Electrode adaptor
USD384682S (en) * 1995-09-13 1997-10-07 The Esab Group, Inc. Electrode for a plasma arc torch
JPH10241625A (en) * 1997-02-24 1998-09-11 Hitachi Ltd Plasma ion source mass spectrometer and method
US6130399A (en) * 1998-07-20 2000-10-10 Hypertherm, Inc. Electrode for a plasma arc torch having an improved insert configuration
US6326583B1 (en) 2000-03-31 2001-12-04 Innerlogic, Inc. Gas control system for a plasma arc torch
US6163009A (en) * 1998-10-23 2000-12-19 Innerlogic, Inc. Process for operating a plasma arc torch
US6498317B2 (en) 1998-10-23 2002-12-24 Innerlogic, Inc. Process for operating a plasma arc torch
US6677551B2 (en) * 1998-10-23 2004-01-13 Innerlogic, Inc. Process for operating a plasma arc torch
US6498316B1 (en) 1999-10-25 2002-12-24 Thermal Dynamics Corporation Plasma torch and method for underwater cutting
US6337460B2 (en) 2000-02-08 2002-01-08 Thermal Dynamics Corporation Plasma arc torch and method for cutting a workpiece
US6667459B1 (en) 2000-11-21 2003-12-23 Hypertherm, Inc. Configurable nozzle baffle apparatus and method
EP1369000B1 (en) * 2001-03-09 2012-04-18 Hypertherm, Inc. Method of manufacturing a composite electrode for a plasma arc torch
US8338740B2 (en) * 2008-09-30 2012-12-25 Hypertherm, Inc. Nozzle with exposed vent passage
DE102009016932B4 (en) * 2009-04-08 2013-06-20 Kjellberg Finsterwalde Plasma Und Maschinen Gmbh Cooling tubes and electrode holder for an arc plasma torch and arrangements of the same and arc plasma torch with the same
ITBO20090496A1 (en) * 2009-07-28 2011-01-29 Cebora Spa MONOGAS TORCH FOR PLASMA CUTTING.
IT1401407B1 (en) * 2010-07-30 2013-07-26 Cebora Spa MONOGAS TORCH FOR PLASMA CUTTING.
EP2734015B1 (en) * 2012-05-07 2016-10-19 Manfred Hollberg Cooling pipe for a plasma arc torch
US9949356B2 (en) 2012-07-11 2018-04-17 Lincoln Global, Inc. Electrode for a plasma arc cutting torch
ITVI20130220A1 (en) * 2013-09-05 2015-03-06 Trafimet Spa PLASMA TORCH WITH IMPROVED COOLING SYSTEM AND RELATIVE COOLING METHOD.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217133A (en) * 1962-02-14 1965-11-09 Saint Gobain Plasma torch
US3562486A (en) * 1969-05-29 1971-02-09 Thermal Dynamics Corp Electric arc torches
FR2275270A1 (en) * 1974-06-21 1976-01-16 Inst Elektrosvarochnogo Oborud DEVICE FOR WORKING WITH CONDUCTIVE PLASMA MATERIALS AND METHOD OF USING THE SAID DEVICE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960594A (en) * 1958-06-30 1960-11-15 Plasma Flame Corp Plasma flame generator
US3832513A (en) * 1973-04-09 1974-08-27 G Klasson Starting and stabilizing apparatus for a gas-tungsten arc welding system
SE376859B (en) * 1974-06-20 1975-06-16 Vni Pk T I Elektrosvarotschno
JPS5112360A (en) * 1974-07-19 1976-01-30 Vni Pk T I Elektrosvarotschno Dendobutsushitsuno purazumakakosochioyobisono sadohoho
US4463245A (en) * 1981-11-27 1984-07-31 Weldtronic Limited Plasma cutting and welding torches with improved nozzle electrode cooling

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217133A (en) * 1962-02-14 1965-11-09 Saint Gobain Plasma torch
US3562486A (en) * 1969-05-29 1971-02-09 Thermal Dynamics Corp Electric arc torches
FR2275270A1 (en) * 1974-06-21 1976-01-16 Inst Elektrosvarochnogo Oborud DEVICE FOR WORKING WITH CONDUCTIVE PLASMA MATERIALS AND METHOD OF USING THE SAID DEVICE

Also Published As

Publication number Publication date
ES283176U (en) 1985-05-16
EP0110735B1 (en) 1987-11-19
FR2534106B1 (en) 1985-04-19
DE110735T1 (en) 1986-02-13
PT77416B (en) 1986-03-20
DE3374644D1 (en) 1987-12-23
CA1218118A (en) 1987-02-17
AU561117B2 (en) 1987-04-30
JPS5983400A (en) 1984-05-14
PT77416A (en) 1983-10-01
ZA837071B (en) 1984-05-30
ES283176Y (en) 1985-12-16
BR8305417A (en) 1984-05-15
FR2534106A1 (en) 1984-04-06
US4625094A (en) 1986-11-25
AU1933883A (en) 1984-04-05
EP0110735A2 (en) 1984-06-13
JPH0226360B2 (en) 1990-06-08

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