GB1550142A - Plasma-arc taphole welding process and apparatus - Google Patents

Plasma-arc taphole welding process and apparatus

Info

Publication number
GB1550142A
GB1550142A GB4082176A GB4082176A GB1550142A GB 1550142 A GB1550142 A GB 1550142A GB 4082176 A GB4082176 A GB 4082176A GB 4082176 A GB4082176 A GB 4082176A GB 1550142 A GB1550142 A GB 1550142A
Authority
GB
United Kingdom
Prior art keywords
plasma
arc
welding process
taphole welding
taphole
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
GB4082176A
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.)
Messer Griesheim GmbH
Original Assignee
Messer Griesheim GmbH
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 Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Publication of GB1550142A publication Critical patent/GB1550142A/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
    • 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
    • B23K9/1012—Power supply characterised by parts of the process
    • B23K9/1037—Means preventing crater forming at the extremity of the seam
GB4082176A 1975-10-04 1976-10-01 Plasma-arc taphole welding process and apparatus Expired GB1550142A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752544539 DE2544539C2 (en) 1975-10-04 1975-10-04 Method for closing a keyhole in plasma keyhole welding

Publications (1)

Publication Number Publication Date
GB1550142A true GB1550142A (en) 1979-08-08

Family

ID=5958357

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4082176A Expired GB1550142A (en) 1975-10-04 1976-10-01 Plasma-arc taphole welding process and apparatus

Country Status (3)

Country Link
DE (1) DE2544539C2 (en)
FR (1) FR2326266A1 (en)
GB (1) GB1550142A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3405242A1 (en) * 1984-02-15 1985-09-05 Bayer Ag, 5090 Leverkusen Method for producing pore-free plasma-welded circumferential seams
JPS6349367A (en) * 1986-08-13 1988-03-02 Hitachi Ltd Plasma welding method and its equipment
FR2939058B1 (en) * 2008-12-03 2012-02-10 Air Liquide METHOD FOR WELDING TUBULAR STITCHES ON A RESERVOIR OR THE LIKE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1405415A (en) * 1971-11-06 1975-09-10 Rolls Royce Plasma arc welding
CH578622A5 (en) * 1972-03-16 1976-08-13 Bbc Brown Boveri & Cie

Also Published As

Publication number Publication date
DE2544539C2 (en) 1977-09-01
FR2326266B1 (en) 1980-10-31
DE2544539B1 (en) 1977-01-20
FR2326266A1 (en) 1977-04-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921001