FR2158547B1 - - Google Patents

Info

Publication number
FR2158547B1
FR2158547B1 FR7239131A FR7239131A FR2158547B1 FR 2158547 B1 FR2158547 B1 FR 2158547B1 FR 7239131 A FR7239131 A FR 7239131A FR 7239131 A FR7239131 A FR 7239131A FR 2158547 B1 FR2158547 B1 FR 2158547B1
Authority
FR
France
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
FR7239131A
Other versions
FR2158547A1 (fr
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of FR2158547A1 publication Critical patent/FR2158547A1/fr
Application granted granted Critical
Publication of FR2158547B1 publication Critical patent/FR2158547B1/fr
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
    • B23K10/006—Control circuits therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)
  • Arc Welding Control (AREA)
FR7239131A 1971-11-06 1972-11-06 Expired FR2158547B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5165971A GB1405415A (en) 1971-11-06 1971-11-06 Plasma arc welding

Publications (2)

Publication Number Publication Date
FR2158547A1 FR2158547A1 (fr) 1973-06-15
FR2158547B1 true FR2158547B1 (fr) 1978-12-01

Family

ID=10460890

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7239131A Expired FR2158547B1 (fr) 1971-11-06 1972-11-06

Country Status (4)

Country Link
DE (1) DE2254155A1 (fr)
FR (1) FR2158547B1 (fr)
GB (1) GB1405415A (fr)
IT (1) IT966871B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT962172B (it) * 1972-06-05 1973-12-20 Metco Inc Perfezionamento nei procedimenti e dispositivi per la spruzzatura di materiali alla fiamma di plasma
US4133988A (en) * 1975-03-12 1979-01-09 Esibyan Eduard M Method of plasma arc cutting control and a device for realizing same
DE2544539C2 (de) * 1975-10-04 1977-09-01 Messer Griesheim Gmbh, 6000 Frankfurt Verfahren zum Schließen eines Stichloches beim Plasmastichlochschweißen
US4104505A (en) * 1976-10-28 1978-08-01 Eaton Corporation Method of hard surfacing by plasma torch
US4142089A (en) * 1977-03-22 1979-02-27 Canadian Patents And Development Limited Pulsed coaxial thermal plasma sprayer
DE3405242A1 (de) * 1984-02-15 1985-09-05 Bayer Ag, 5090 Leverkusen Verfahren zur erzeugung porenfreier plasmageschweisster rundnaehte
AT411443B (de) * 2001-02-16 2004-01-26 Fronius Schweissmasch Prod Schweissgerät bzw. schweissanlage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3024353A (en) * 1959-07-17 1962-03-06 L & B Welding Equipment Inc Current controllable alternating current relay circuit
US3433927A (en) * 1964-05-21 1969-03-18 Union Carbide Corp Method for establishing and closing an arc weld

Also Published As

Publication number Publication date
DE2254155A1 (de) 1973-05-10
IT966871B (it) 1974-02-20
GB1405415A (en) 1975-09-10
FR2158547A1 (fr) 1973-06-15

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
ST Notification of lapse