BE411234A - - Google Patents

Info

Publication number
BE411234A
BE411234A BE411234DA BE411234A BE 411234 A BE411234 A BE 411234A BE 411234D A BE411234D A BE 411234DA BE 411234 A BE411234 A BE 411234A
Authority
BE
Belgium
Prior art keywords
strip
rollers
edge
tube
outer layer
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE411234A publication Critical patent/BE411234A/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
    • B21C37/08Making tubes with welded or soldered seams
    • B21C37/09Making tubes with welded or soldered seams of coated strip material ; Making multi-wall tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
BE411234D BE411234A (zh)

Publications (1)

Publication Number Publication Date
BE411234A true BE411234A (zh)

Family

ID=75255

Family Applications (1)

Application Number Title Priority Date Filing Date
BE411234D BE411234A (zh)

Country Status (1)

Country Link
BE (1) BE411234A (zh)

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