BE432970A - - Google Patents

Info

Publication number
BE432970A
BE432970A BE432970DA BE432970A BE 432970 A BE432970 A BE 432970A BE 432970D A BE432970D A BE 432970DA BE 432970 A BE432970 A BE 432970A
Authority
BE
Belgium
Prior art keywords
tube
weld
roller
core
fin
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE432970A publication Critical patent/BE432970A/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
    • B21C37/26Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
BE432970D BE432970A (enEXAMPLES)

Publications (1)

Publication Number Publication Date
BE432970A true BE432970A (enEXAMPLES)

Family

ID=92428

Family Applications (1)

Application Number Title Priority Date Filing Date
BE432970D BE432970A (enEXAMPLES)

Country Status (1)

Country Link
BE (1) BE432970A (enEXAMPLES)

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