FR871829A - Process for doubling pipes - Google Patents

Process for doubling pipes

Info

Publication number
FR871829A
FR871829A FR871829DA FR871829A FR 871829 A FR871829 A FR 871829A FR 871829D A FR871829D A FR 871829DA FR 871829 A FR871829 A FR 871829A
Authority
FR
France
Prior art keywords
doubling
pipes
doubling pipes
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
Other languages
French (fr)
Inventor
Peter Ostendorf
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 filed Critical
Application granted granted Critical
Publication of FR871829A publication Critical patent/FR871829A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/04Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR871829D 1941-04-30 1941-04-30 Process for doubling pipes Expired FR871829A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR871829T 1941-04-30

Publications (1)

Publication Number Publication Date
FR871829A true FR871829A (en) 1942-05-18

Family

ID=9358388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871829D Expired FR871829A (en) 1941-04-30 1941-04-30 Process for doubling pipes

Country Status (1)

Country Link
FR (1) FR871829A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT393980B (en) * 1988-06-20 1992-01-10 Boehler Gmbh METHOD FOR PRODUCING COMPOSITE STEEL WORKPIECES AND COMPOSITE STEEL WORKPIECES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT393980B (en) * 1988-06-20 1992-01-10 Boehler Gmbh METHOD FOR PRODUCING COMPOSITE STEEL WORKPIECES AND COMPOSITE STEEL WORKPIECES

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