BE396158A - - Google Patents

Info

Publication number
BE396158A
BE396158A BE396158DA BE396158A BE 396158 A BE396158 A BE 396158A BE 396158D A BE396158D A BE 396158DA BE 396158 A BE396158 A BE 396158A
Authority
BE
Belgium
Prior art keywords
pipe
bead
bulge
iron
pipes
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE396158A publication Critical patent/BE396158A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • B21C37/0803Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
BE396158D BE396158A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE396158A true BE396158A (enrdf_load_stackoverflow)

Family

ID=63069

Family Applications (1)

Application Number Title Priority Date Filing Date
BE396158D BE396158A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE396158A (enrdf_load_stackoverflow)

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