GB1451913A - Arc welding torch - Google Patents

Arc welding torch

Info

Publication number
GB1451913A
GB1451913A GB4481973A GB4481973A GB1451913A GB 1451913 A GB1451913 A GB 1451913A GB 4481973 A GB4481973 A GB 4481973A GB 4481973 A GB4481973 A GB 4481973A GB 1451913 A GB1451913 A GB 1451913A
Authority
GB
United Kingdom
Prior art keywords
torch
cup
gas
inch
sleeve
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
GB4481973A
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.)
Clarke Chapman Group Ltd
Original Assignee
Clarke Chapman Group Ltd
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 Clarke Chapman Group Ltd filed Critical Clarke Chapman Group Ltd
Priority to GB4481973A priority Critical patent/GB1451913A/en
Publication of GB1451913A publication Critical patent/GB1451913A/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
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode

Landscapes

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

Abstract

1451913 Welding by fusion CLARKE CHAPMAN Ltd 6 June 1974 [25 Sept 1973] 44819/73 Heading B3R [Also in Division H5] A hand or rotary arc welding torch, particularly for tube welding in heat exchanger repair, comprises a copper member 10 provided with a PTFE sleeve 14, and a ceramic gas cup 16 push fitted on said sleeve, the cup projecting beyond the front of said sleeve by a distance less than half the maximum diameter of the cup and the overall axial length of the torch (excluding electrode projection) being less than said cup maximum diameter. The PTFE sleeve accommodates differential expansion between the member 10 and the cup, and the latter prevents torch/work arcing. The overall length of the torch is preferably less than 1À00 inch. In the particularly described torch, the overall length of the torch is 0À75 inch, the maximum diameter of the body and the cup is 1 inch, the total length of the cup is 0À50 inch, and the cup projects slightly less than 0À20 inch beyond the sleeve 14. A tungsten electrode 40 is retained in the torch by a rear accessible collet 36 screwthreaded into an insert 24 in the body 10. The collet is interchangeable to suit different sizes of electrode. The insert and the body form an annular gas channel 26 in communication with a gas inlet pipe 32 and the interior of the gas cup. A channel 18 extending 340 degrees in the body is connected to cooling air or water pipes (20); alternatively, shielding gas may be directed to the channel 26 via the channel 18, dispensing with a separate coolant. The torch optionally includes a gas "lens" 28 for achievement of laminar gas flow. Preferably, the lens comprises a cartridge consisting of one or more annular sheets of woven stainless steel mesh mounted between an outer ring 30 and an inner bush 31, the cartridge being retained by a flange of the PTFE sleeve 14. The cartridge is replaceable if dirty and interchangeable to provide for different gas flow rates. When used as a hand torch, a handle is attached to the body and a layer of insulation applied about said body and handle. Argon is referred to as a shielding gas.
GB4481973A 1973-09-25 1973-09-25 Arc welding torch Expired GB1451913A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4481973A GB1451913A (en) 1973-09-25 1973-09-25 Arc welding torch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4481973A GB1451913A (en) 1973-09-25 1973-09-25 Arc welding torch

Publications (1)

Publication Number Publication Date
GB1451913A true GB1451913A (en) 1976-10-06

Family

ID=10434879

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4481973A Expired GB1451913A (en) 1973-09-25 1973-09-25 Arc welding torch

Country Status (1)

Country Link
GB (1) GB1451913A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996034716A1 (en) * 1995-05-05 1996-11-07 Alexander Binzel Gmbh & Co. Kg Gas lens housing for arc-welding or flame cutters with non-melting electrodes
DE19828633B4 (en) * 1998-06-26 2004-07-29 Wirth, Aloisia Arc welding or cutting torch and cooling system, plasma nozzles or TIG electrode collets, clamping system for plasma electrode needles and. cross-process design principle for this
CN108381013A (en) * 2018-04-28 2018-08-10 沈阳工学院 A kind of narrow gap TIG welding guns
CN112372192A (en) * 2021-01-18 2021-02-19 泛海海工(山东)智能装备有限公司 Welding set based on thing networking platform boats and ships assemblage grillage structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996034716A1 (en) * 1995-05-05 1996-11-07 Alexander Binzel Gmbh & Co. Kg Gas lens housing for arc-welding or flame cutters with non-melting electrodes
DE19828633B4 (en) * 1998-06-26 2004-07-29 Wirth, Aloisia Arc welding or cutting torch and cooling system, plasma nozzles or TIG electrode collets, clamping system for plasma electrode needles and. cross-process design principle for this
CN108381013A (en) * 2018-04-28 2018-08-10 沈阳工学院 A kind of narrow gap TIG welding guns
CN108381013B (en) * 2018-04-28 2024-03-29 沈阳工学院 Narrow-gap TIG welding gun
CN112372192A (en) * 2021-01-18 2021-02-19 泛海海工(山东)智能装备有限公司 Welding set based on thing networking platform boats and ships assemblage grillage structure

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee