GB1227179A - - Google Patents

Info

Publication number
GB1227179A
GB1227179A GB1227179DA GB1227179A GB 1227179 A GB1227179 A GB 1227179A GB 1227179D A GB1227179D A GB 1227179DA GB 1227179 A GB1227179 A GB 1227179A
Authority
GB
United Kingdom
Prior art keywords
bushing
cathode
gas
aperture
bushings
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.)
Expired
Application number
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 filed Critical
Publication of GB1227179A publication Critical patent/GB1227179A/en
Expired legal-status Critical Current

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
    • B23K10/00—Welding or cutting by means of a plasma
    • B23K10/02—Plasma welding
    • 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
    • H05H1/341—Arrangements for providing coaxial protecting fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Arc Welding In General (AREA)
  • Plasma Technology (AREA)

Abstract

1,227,179. Welding by fusion; soldering; cutting by fusion. RIKAGAKU KENKYUSHO. 7 June, 1968 [8 June, 1967], No. 27323/68. Headings B3R and B3V. [Also in Division H5] An arc torch, with no gas stream flowing directly around the cathode during operation, comprises a cathode 2, cathode bushing 9, gas stream bushing 12 and outermost bushing 6, and includes inlets 10, 5, 13 for gas flows 11, 4 and 14, respectively, the gas flow 11 ceasing during operation. Bushing 12 is omitted in some embodiments, Fig. 10, and Figs. 2, 5 (not shown). The bushings are either mutually insulated, Fig. 7, and Figs. 4a, 5, 6 and 9 (not shown), or the cathode bushing 9 is insulated from the other bushing or bushings, Figs. 8, 10, and Figs. 2, 3a, 3b (not shown). Gas flow 14 is usually an active gas, whilst gas flows 11 and 4 are protective gas. Circuitry is provided for transferring the arc 1 from between the cathode 2 and cathode bushing 9, to the bushing 12 and then to the workpiece 3, Figs. 4a, 4b, 4c (not shown). Bushing 6 has an aperture either larger, smaller or the same as the aperture in bushing 12, and bushing 12 has an aperture either smaller or the same as the aperture in bushing 9. The torch is used for coating, cutting, welding or soldering, and is used for welding inside tubes, Fig. 8, under water, or for joining workpieces of differing thickness, Fig. 10. Bushings 6, 12 may be rotated with respect to the torch, Fig. 9 (not shown). Gases used are helium, argon, hydrogen, nitrogen, oxygen or carbonic acid gas. Bushing 9 is cooled. A.C. is superimposed on D.C. from the source.
GB1227179D 1967-06-08 1968-06-07 Expired GB1227179A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3672067 1967-06-08

Publications (1)

Publication Number Publication Date
GB1227179A true GB1227179A (en) 1971-04-07

Family

ID=12477568

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1227179D Expired GB1227179A (en) 1967-06-08 1968-06-07

Country Status (3)

Country Link
US (1) US3575568A (en)
CH (1) CH490154A (en)
GB (1) GB1227179A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2183192A (en) * 1985-11-25 1987-06-03 Hypertherm Inc Method and torch for plasma arc cutting
US4816637A (en) * 1985-11-25 1989-03-28 Hypertherm, Inc. Underwater and above-water plasma arc cutting torch and method
WO1993012633A1 (en) * 1991-12-12 1993-06-24 Kvaerner Engineering A.S A torch device for chemical processes
CN111774773A (en) * 2019-04-03 2020-10-16 海信（浙江）空调有限公司 Welding device for air conditioner copper pipe

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220425B1 (en) * 1969-09-04 1977-06-03
US3900762A (en) * 1971-07-06 1975-08-19 Sheer Korman Associates Method and apparatus for projecting materials into an arc discharge
BE788919A (en) * 1971-09-17 1973-03-15 Philips Nv PROCESS AND DEVICE ALLOWING THE THERMAL TREATMENT AND MACHINING OF HIGH MELTING POINT MATERIALS
US3825718A (en) * 1971-12-08 1974-07-23 O Mosiashvili Plasmatron
US4052632A (en) * 1972-09-04 1977-10-04 Mitsubishi Jukogyo Kabushiki Kaisha Method of underwater welding
US4143260A (en) * 1973-10-26 1979-03-06 Fagersta Aktiebolag Multi electrode torch
US4161645A (en) * 1973-12-19 1979-07-17 Mitsubishi Denki Kabushiki Kaisha Arc welding apparatus and method
NL7601721A (en) * 1976-02-20 1977-08-23 Philips Nv METHOD AND DEVICE FOR PLASMA-MIG WELDING.
DE2900330A1 (en) * 1978-01-09 1979-07-12 Inst Elektroswarki Patona PROCESS FOR PLASMA GENERATION IN A PLASMA ARC GENERATOR AND DEVICE FOR CARRYING OUT THE PROCESS
US4341941A (en) * 1979-03-01 1982-07-27 Rikagaku Kenkyusho Method of operating a plasma generating apparatus
US4300033A (en) * 1979-06-14 1981-11-10 Rensselaer Polytechnic Institute Reduced operating noise nozzle for electric arc cutting device
FR2561484B1 (en) * 1984-03-16 1988-05-13 Air Liquide GAS FOR THERMAL CUTTING BY ARC PLASMA
US5396043A (en) * 1988-06-07 1995-03-07 Hypertherm, Inc. Plasma arc cutting process and apparatus using an oxygen-rich gas shield
US5120930A (en) * 1988-06-07 1992-06-09 Hypertherm, Inc. Plasma arc torch with improved nozzle shield and step flow
US5166494A (en) * 1990-04-24 1992-11-24 Hypertherm, Inc. Process and apparatus for reducing electrode wear in a plasma arc torch
US5070227A (en) * 1990-04-24 1991-12-03 Hypertherm, Inc. Proceses and apparatus for reducing electrode wear in a plasma arc torch
DE8904460U1 (en) * 1989-04-10 1989-06-29 Krupp Medizintechnik GmbH, 4300 Essen Microplasma welding device
FR2672459B1 (en) * 1991-02-01 1993-04-30 Girard Frederic PLASMA RECHARGING DEVICE WITH OBLIQUE ORIFICE.
US5414236A (en) * 1992-12-11 1995-05-09 Hypertherm, Inc. Process for high quality plasma arc cutting of stainless steel and aluminum
US5380976A (en) * 1992-12-11 1995-01-10 Hypertherm, Inc. Process for high quality plasma arc and laser cutting of stainless steel and aluminum
FR2707824B1 (en) * 1993-07-15 1995-12-01 Frederic Girard Transferred plasma torch (PTA) with radial cathode.
JP3420658B2 (en) * 1995-06-30 2003-06-30 株式会社東芝 TIG welding method and its welding torch
FR2777214B1 (en) * 1998-04-09 2000-05-19 Soudure Autogene Francaise TORCH AND METHOD OF ELECTRIC ARC CUTTING OR WELDING
US6163009A (en) * 1998-10-23 2000-12-19 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
US6498317B2 (en) 1998-10-23 2002-12-24 Innerlogic, Inc. Process for operating a plasma arc torch
US6326583B1 (en) 2000-03-31 2001-12-04 Innerlogic, Inc. Gas control system for a plasma arc torch
DE19952043A1 (en) * 1999-10-28 2001-05-03 Linde Gas Ag Process for metal-protective gas soldering of metallic workpieces uses solder material and an electric arc with melting or non-melting electrodes in the presence of a protective gas having an inert component and an active component
FR2877597B1 (en) * 2004-11-09 2008-04-25 Safmatic Sa DOUBLE FLOW TYPE ARC WELDING TORCH SUITABLE FOR TUBE WELDING
US20070045241A1 (en) * 2005-08-29 2007-03-01 Schneider Joseph C Contact start plasma torch and method of operation
EP2058079A4 (en) * 2006-08-02 2009-11-04 Taiyo Nippon Sanso Corp Tandem gas metal arc welding method, and welding torch and welding apparatus used in the method
CN104308349B (en) * 2014-11-18 2017-02-22 广东工业大学 Powder plasma cladding welding torch for small inner hole
DE102015117238A1 (en) * 2015-10-09 2017-04-13 GEFERTEC GmbH Machining module for an additive manufacturing device
US11889611B2 (en) * 2020-12-15 2024-01-30 Lincoln Global, Inc. Plasma arc torch and cutting system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806124A (en) * 1955-07-26 1957-09-10 Union Carbide Corp Arc torch and process
US2799769A (en) * 1955-09-26 1957-07-16 Liquid Carbonic Corp Shielding gas supply assembly for arc welding torch
US3076085A (en) * 1960-04-11 1963-01-29 Union Carbide Corp High current non-consumable hollow electrode
US3250893A (en) * 1963-10-01 1966-05-10 Union Carbide Corp Method for providing a source of heat

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2183192A (en) * 1985-11-25 1987-06-03 Hypertherm Inc Method and torch for plasma arc cutting
US4816637A (en) * 1985-11-25 1989-03-28 Hypertherm, Inc. Underwater and above-water plasma arc cutting torch and method
WO1993012633A1 (en) * 1991-12-12 1993-06-24 Kvaerner Engineering A.S A torch device for chemical processes
AU660059B2 (en) * 1991-12-12 1995-06-08 Kvaerner Technology & Research Limited A torch device for chemical processes
US5486674A (en) * 1991-12-12 1996-01-23 Kvaerner Engineering As Plasma torch device for chemical processes
CN1049554C (en) * 1991-12-12 2000-02-16 克瓦纳尔技术研究公司 A torch device for chemical processes
CN111774773A (en) * 2019-04-03 2020-10-16 海信（浙江）空调有限公司 Welding device for air conditioner copper pipe

Also Published As

Publication number Publication date
CH490154B (en) 1970-06-30
DE1765564B1 (en) 1972-06-08
US3575568A (en) 1971-04-20
CH490154A (en) 1970-05-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years