DE116609C - - Google Patents

Info

Publication number
DE116609C
DE116609C DENDAT116609D DE116609DA DE116609C DE 116609 C DE116609 C DE 116609C DE NDAT116609 D DENDAT116609 D DE NDAT116609D DE 116609D A DE116609D A DE 116609DA DE 116609 C DE116609 C DE 116609C
Authority
DE
Germany
Prior art keywords
rib
tube
edge
widened
bulges
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.)
Active
Application number
DENDAT116609D
Other languages
German (de)
English (en)
Publication of DE116609C publication Critical patent/DE116609C/de
Active 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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture 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
    • B21C37/15—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)
  • Rigid Pipes And Flexible Pipes (AREA)
DENDAT116609D Active DE116609C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE116609C true DE116609C (enrdf_load_stackoverflow)

Family

ID=385942

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT116609D Active DE116609C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE116609C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3216960A1 (de) * 1982-05-06 1983-11-10 Kabel Metallwerke Ghh Verfahren zur herstellung eines rohres mit an seiner oberflaeche schraubenlinienfoermig verlaufenden rippen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3216960A1 (de) * 1982-05-06 1983-11-10 Kabel Metallwerke Ghh Verfahren zur herstellung eines rohres mit an seiner oberflaeche schraubenlinienfoermig verlaufenden rippen

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