BE453772A - - Google Patents

Info

Publication number
BE453772A
BE453772A BE453772DA BE453772A BE 453772 A BE453772 A BE 453772A BE 453772D A BE453772D A BE 453772DA BE 453772 A BE453772 A BE 453772A
Authority
BE
Belgium
Prior art keywords
mandrel
pleating
bands
net
serpentine
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE453772A publication Critical patent/BE453772A/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
    • B21C37/08Making tubes with welded or soldered seams
    • B21C37/09Making tubes with welded or soldered seams of coated strip material ; Making multi-wall tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
BE453772D BE453772A (de)

Publications (1)

Publication Number Publication Date
BE453772A true BE453772A (de)

Family

ID=108058

Family Applications (1)

Application Number Title Priority Date Filing Date
BE453772D BE453772A (de)

Country Status (1)

Country Link
BE (1) BE453772A (de)

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