CA1053036A - Process and device for multiple-rod internal welding of spirally seamed welded pipes - Google Patents

Process and device for multiple-rod internal welding of spirally seamed welded pipes

Info

Publication number
CA1053036A
CA1053036A CA247,061A CA247061A CA1053036A CA 1053036 A CA1053036 A CA 1053036A CA 247061 A CA247061 A CA 247061A CA 1053036 A CA1053036 A CA 1053036A
Authority
CA
Canada
Prior art keywords
angle
alpha
pipe
welding
internal welding
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
CA247,061A
Other languages
English (en)
French (fr)
Inventor
Wolfgang Hartjenstein
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.)
Vodafone GmbH
Original Assignee
Mannesmannroehren Werke AG
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 Mannesmannroehren Werke AG filed Critical Mannesmannroehren Werke AG
Application granted granted Critical
Publication of CA1053036A publication Critical patent/CA1053036A/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
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/032—Seam welding; Backing means; Inserts for three-dimensional seams
    • B23K9/0325—Seam welding; Backing means; Inserts for three-dimensional seams helicoidal seams

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
CA247,061A 1975-03-04 1976-03-03 Process and device for multiple-rod internal welding of spirally seamed welded pipes Expired CA1053036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752509875 DE2509875C3 (de) 1975-03-04 1975-03-04 Verfahren und Anordnung zum Mehrdrahtinnenschweißen von Spiralrohren

Publications (1)

Publication Number Publication Date
CA1053036A true CA1053036A (en) 1979-04-24

Family

ID=5940672

Family Applications (1)

Application Number Title Priority Date Filing Date
CA247,061A Expired CA1053036A (en) 1975-03-04 1976-03-03 Process and device for multiple-rod internal welding of spirally seamed welded pipes

Country Status (6)

Country Link
JP (1) JPS51112464A (it)
BE (1) BE839130A (it)
CA (1) CA1053036A (it)
DD (1) DD123276A5 (it)
DE (1) DE2509875C3 (it)
IT (1) IT1062153B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5268728B2 (ja) * 2009-03-24 2013-08-21 日新製鋼株式会社 スパイラル鋼管の製造方法

Also Published As

Publication number Publication date
DE2509875C3 (de) 1980-06-26
DE2509875A1 (de) 1976-09-16
DD123276A5 (it) 1976-12-12
IT1062153B (it) 1983-06-30
JPS51112464A (en) 1976-10-04
DE2509875B2 (de) 1976-12-23
BE839130A (fr) 1976-07-01

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