CA1080813A - Method for longitudinally seam-welding pipe-blanks for welded steel pipe from the inside along a groove - Google Patents

Method for longitudinally seam-welding pipe-blanks for welded steel pipe from the inside along a groove

Info

Publication number
CA1080813A
CA1080813A CA274,579A CA274579A CA1080813A CA 1080813 A CA1080813 A CA 1080813A CA 274579 A CA274579 A CA 274579A CA 1080813 A CA1080813 A CA 1080813A
Authority
CA
Canada
Prior art keywords
welding
pipe
blank
current
polarity
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
CA274,579A
Other languages
English (en)
French (fr)
Inventor
Kenji Takeshige
Takashi Nagamine
Hiroyoshi Matsubara
Tatsumi Osuka
Toshihiro Takamura
Osamu Hirano
Fusao Koshiga
Jinkichi Tanaka
Motoaki Suzuki
Itaru Watanabe
Toshifumi Kojima
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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
Priority claimed from JP3139376A external-priority patent/JPS52114545A/ja
Priority claimed from JP7277976A external-priority patent/JPS52156149A/ja
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to CA341,274A priority Critical patent/CA1097748A/en
Application granted granted Critical
Publication of CA1080813A publication Critical patent/CA1080813A/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
    • B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
    • B23K9/073—Stabilising the arc
    • B23K9/0737—Stabilising of the arc position

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
CA274,579A 1976-03-24 1977-03-23 Method for longitudinally seam-welding pipe-blanks for welded steel pipe from the inside along a groove Expired CA1080813A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA341,274A CA1097748A (en) 1976-03-24 1979-12-05 Welding method for longitudinally seam welding a pipe blank from the inside using the metal arc welding process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3139376A JPS52114545A (en) 1976-03-24 1976-03-24 Welding method
JP7277976A JPS52156149A (en) 1976-06-22 1976-06-22 Welding process

Publications (1)

Publication Number Publication Date
CA1080813A true CA1080813A (en) 1980-07-01

Family

ID=26369839

Family Applications (1)

Application Number Title Priority Date Filing Date
CA274,579A Expired CA1080813A (en) 1976-03-24 1977-03-23 Method for longitudinally seam-welding pipe-blanks for welded steel pipe from the inside along a groove

Country Status (5)

Country Link
CA (1) CA1080813A (ja)
DE (1) DE2712027C3 (ja)
FR (1) FR2345257A1 (ja)
GB (1) GB1554523A (ja)
IT (1) IT1104776B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285042A (en) * 1992-11-25 1994-02-08 Fmc Corporation Gas tungsten arc welding torch apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE104998C (ja) *
DE617229C (de) * 1930-11-04 1935-08-15 Aeg Einrichtung zum automatischen Lichtbogenschweissen mittels Gleichstrom
DE645672C (de) * 1933-12-14 1937-06-01 Daimler Benz Akt Ges Verfahren zur Herstellung der Schneidkanten von Schnittwerkzeugen mit weichem Grundmaterial mittels der elektrischen Lichtbogenschweissung

Also Published As

Publication number Publication date
FR2345257B1 (ja) 1982-02-05
DE2712027A1 (de) 1977-10-06
DE2712027C3 (de) 1983-05-19
DE2712027B2 (de) 1981-05-14
GB1554523A (en) 1979-10-24
FR2345257A1 (fr) 1977-10-21
IT1104776B (it) 1985-10-28

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Legal Events

Date Code Title Description
MKEX Expiry