BE387798A - - Google Patents

Info

Publication number
BE387798A
BE387798A BE387798DA BE387798A BE 387798 A BE387798 A BE 387798A BE 387798D A BE387798D A BE 387798DA BE 387798 A BE387798 A BE 387798A
Authority
BE
Belgium
Prior art keywords
fins
tube
beads
metal
mandrel
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE387798A publication Critical patent/BE387798A/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
    • B21C37/15Making tubes of special shape; Making tube fittings
    • B21C37/22Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/24Making finned or ribbed tubes by fixing strip or like material to tubes annularly-ribbed tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
BE387798D BE387798A (cs)

Publications (1)

Publication Number Publication Date
BE387798A true BE387798A (cs)

Family

ID=56196

Family Applications (1)

Application Number Title Priority Date Filing Date
BE387798D BE387798A (cs)

Country Status (1)

Country Link
BE (1) BE387798A (cs)

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