FR1361465A - Improvements made to machines for manufacturing tubes or pipes with helical joint - Google Patents

Improvements made to machines for manufacturing tubes or pipes with helical joint

Info

Publication number
FR1361465A
FR1361465A FR930941A FR930941A FR1361465A FR 1361465 A FR1361465 A FR 1361465A FR 930941 A FR930941 A FR 930941A FR 930941 A FR930941 A FR 930941A FR 1361465 A FR1361465 A FR 1361465A
Authority
FR
France
Prior art keywords
pipes
machines
improvements made
manufacturing tubes
helical joint
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
FR930941A
Other languages
French (fr)
Inventor
Eino Kalervo Malkki
Valentin Silde
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
Priority to FR930941A priority Critical patent/FR1361465A/en
Application granted granted Critical
Publication of FR1361465A publication Critical patent/FR1361465A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/12—Making tubes or metal hoses with helically arranged seams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR930941A 1963-04-09 1963-04-09 Improvements made to machines for manufacturing tubes or pipes with helical joint Expired FR1361465A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR930941A FR1361465A (en) 1963-04-09 1963-04-09 Improvements made to machines for manufacturing tubes or pipes with helical joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR930941A FR1361465A (en) 1963-04-09 1963-04-09 Improvements made to machines for manufacturing tubes or pipes with helical joint

Publications (1)

Publication Number Publication Date
FR1361465A true FR1361465A (en) 1964-05-22

Family

ID=8801247

Family Applications (1)

Application Number Title Priority Date Filing Date
FR930941A Expired FR1361465A (en) 1963-04-09 1963-04-09 Improvements made to machines for manufacturing tubes or pipes with helical joint

Country Status (1)

Country Link
FR (1) FR1361465A (en)

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