FR2320808B1 - - Google Patents

Info

Publication number
FR2320808B1
FR2320808B1 FR7525434A FR7525434A FR2320808B1 FR 2320808 B1 FR2320808 B1 FR 2320808B1 FR 7525434 A FR7525434 A FR 7525434A FR 7525434 A FR7525434 A FR 7525434A FR 2320808 B1 FR2320808 B1 FR 2320808B1
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
FR7525434A
Other languages
French (fr)
Other versions
FR2320808A1 (en
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.)
INST STR
Original Assignee
INST STR
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 INST STR filed Critical INST STR
Priority to FR7525434A priority Critical patent/FR2320808A1/en
Publication of FR2320808A1 publication Critical patent/FR2320808A1/en
Application granted granted Critical
Publication of FR2320808B1 publication Critical patent/FR2320808B1/fr
Granted 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/08—Seam welding not restricted to one of the preceding subgroups
    • B23K11/093—Seam welding not restricted to one of the preceding subgroups for curved planar seams
    • B23K11/0935—Seam welding not restricted to one of the preceding subgroups for curved planar seams of tube sections
FR7525434A 1975-08-14 1975-08-14 Flash butt welding large dia. pipes for pipelines - using manipulator running inside pipes for centering and clamping (OE151176) Granted FR2320808A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7525434A FR2320808A1 (en) 1975-08-14 1975-08-14 Flash butt welding large dia. pipes for pipelines - using manipulator running inside pipes for centering and clamping (OE151176)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7525434A FR2320808A1 (en) 1975-08-14 1975-08-14 Flash butt welding large dia. pipes for pipelines - using manipulator running inside pipes for centering and clamping (OE151176)

Publications (2)

Publication Number Publication Date
FR2320808A1 FR2320808A1 (en) 1977-03-11
FR2320808B1 true FR2320808B1 (en) 1977-12-16

Family

ID=9159109

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7525434A Granted FR2320808A1 (en) 1975-08-14 1975-08-14 Flash butt welding large dia. pipes for pipelines - using manipulator running inside pipes for centering and clamping (OE151176)

Country Status (1)

Country Link
FR (1) FR2320808A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU818788A1 (en) * 1978-05-04 1981-04-07 Ордена Ленина И Ордена Трудовогокрасного Знамени Институт Электро-Сварки Им. E.O.Патона Ah Украинскойсср Machine for resistance arc welding
US4323752A (en) * 1979-06-05 1982-04-06 Paton Boris E Pipe resistance butt welding apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3031994A (en) * 1958-03-25 1962-05-01 Clark Julius Hydraulic internal pipe line up clamp
FR2144967A5 (en) * 1971-07-05 1973-02-16 Lifshits V S Resistance butt welding process - for tubes, pipelines, etc held internally

Also Published As

Publication number Publication date
FR2320808A1 (en) 1977-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse