BE416366A - - Google Patents

Info

Publication number
BE416366A
BE416366A BE416366DA BE416366A BE 416366 A BE416366 A BE 416366A BE 416366D A BE416366D A BE 416366DA BE 416366 A BE416366 A BE 416366A
Authority
BE
Belgium
Prior art keywords
blank
metal
winding
strip
joint line
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE416366A publication Critical patent/BE416366A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture 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
    • B21C37/12Making tubes or metal hoses with helically arranged seams
    • B21C37/123Making tubes or metal hoses with helically arranged seams of coated strip material; Making multi-wall tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture 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
    • B21C37/12Making tubes or metal hoses with helically arranged seams
    • B21C37/122Making tubes or metal hoses with helically arranged seams with welded or soldered seams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Induction Heating (AREA)
BE416366D BE416366A (pt)

Publications (1)

Publication Number Publication Date
BE416366A true BE416366A (pt)

Family

ID=79300

Family Applications (1)

Application Number Title Priority Date Filing Date
BE416366D BE416366A (pt)

Country Status (1)

Country Link
BE (1) BE416366A (pt)

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