BE499669A - - Google Patents

Info

Publication number
BE499669A
BE499669A BE499669DA BE499669A BE 499669 A BE499669 A BE 499669A BE 499669D A BE499669D A BE 499669DA BE 499669 A BE499669 A BE 499669A
Authority
BE
Belgium
Prior art keywords
stock
edges
edge
roller
camber
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE499669A publication Critical patent/BE499669A/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
    • B21C37/12Making tubes or metal hoses with helically arranged seams
    • B21C37/122Making tubes or metal hoses with helically arranged seams with welded or soldered seams
    • 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
    • B21C37/12Making tubes or metal hoses with helically arranged seams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
BE499669D BE499669A (zh)

Publications (1)

Publication Number Publication Date
BE499669A true BE499669A (zh)

Family

ID=142011

Family Applications (1)

Application Number Title Priority Date Filing Date
BE499669D BE499669A (zh)

Country Status (1)

Country Link
BE (1) BE499669A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103273B (de) * 1955-12-20 1961-03-30 Spiro Establishment S A Vorrichtung zum Herstellen von Rohren mit schraubenfoermig verlaufender Falznaht

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103273B (de) * 1955-12-20 1961-03-30 Spiro Establishment S A Vorrichtung zum Herstellen von Rohren mit schraubenfoermig verlaufender Falznaht

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