BE540871A - - Google Patents

Info

Publication number
BE540871A
BE540871A BE540871DA BE540871A BE 540871 A BE540871 A BE 540871A BE 540871D A BE540871D A BE 540871DA BE 540871 A BE540871 A BE 540871A
Authority
BE
Belgium
Prior art keywords
mandrel
tube
nut
die
repelling
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE540871A publication Critical patent/BE540871A/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
    • B21C37/12Making tubes or metal hoses with helically arranged seams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
BE540871D BE540871A (en, 2012)

Publications (1)

Publication Number Publication Date
BE540871A true BE540871A (en, 2012)

Family

ID=170086

Family Applications (1)

Application Number Title Priority Date Filing Date
BE540871D BE540871A (en, 2012)

Country Status (1)

Country Link
BE (1) BE540871A (en, 2012)

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