FR686690A - Method and apparatus for the manufacture of smooth fin pipes - Google Patents

Method and apparatus for the manufacture of smooth fin pipes

Info

Publication number
FR686690A
FR686690A FR686690DA FR686690A FR 686690 A FR686690 A FR 686690A FR 686690D A FR686690D A FR 686690DA FR 686690 A FR686690 A FR 686690A
Authority
FR
France
Prior art keywords
manufacture
fin pipes
smooth fin
smooth
pipes
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Heinrich Dorndorf
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
Application filed filed Critical
Application granted granted Critical
Publication of FR686690A publication Critical patent/FR686690A/en
Expired legal-status Critical Current

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)
FR686690D 1928-12-17 1929-12-16 Method and apparatus for the manufacture of smooth fin pipes Expired FR686690A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE686690X 1928-12-17

Publications (1)

Publication Number Publication Date
FR686690A true FR686690A (en) 1930-07-29

Family

ID=6598108

Family Applications (1)

Application Number Title Priority Date Filing Date
FR686690D Expired FR686690A (en) 1928-12-17 1929-12-16 Method and apparatus for the manufacture of smooth fin pipes

Country Status (1)

Country Link
FR (1) FR686690A (en)

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