BE718643A - - Google Patents

Info

Publication number
BE718643A
BE718643A BE718643DA BE718643A BE 718643 A BE718643 A BE 718643A BE 718643D A BE718643D A BE 718643DA BE 718643 A BE718643 A BE 718643A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19671602272 external-priority patent/DE1602272A1/en
Application filed filed Critical
Publication of BE718643A publication Critical patent/BE718643A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture 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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
BE718643D 1967-07-27 1968-07-26 BE718643A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671602272 DE1602272A1 (en) 1967-07-27 1967-07-27 Method and device for the production of metal finned tubes

Publications (1)

Publication Number Publication Date
BE718643A true BE718643A (en) 1968-12-31

Family

ID=5681015

Family Applications (1)

Application Number Title Priority Date Filing Date
BE718643D BE718643A (en) 1967-07-27 1968-07-26

Country Status (3)

Country Link
BE (1) BE718643A (en)
CH (1) CH473619A (en)
FR (1) FR1603044A (en)

Also Published As

Publication number Publication date
FR1603044A (en) 1971-03-15
CH473619A (en) 1969-06-15

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