DE136008C - - Google Patents

Info

Publication number
DE136008C
DE136008C DENDAT136008D DE136008DA DE136008C DE 136008 C DE136008 C DE 136008C DE NDAT136008 D DENDAT136008 D DE NDAT136008D DE 136008D A DE136008D A DE 136008DA DE 136008 C DE136008 C DE 136008C
Authority
DE
Germany
Prior art keywords
pipes
metal strips
heating
fan
bent
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
DENDAT136008D
Other languages
German (de)
English (en)
Publication of DE136008C publication Critical patent/DE136008C/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)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
DENDAT136008D Active DE136008C (enExample)

Publications (1)

Publication Number Publication Date
DE136008C true DE136008C (enExample)

Family

ID=403992

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT136008D Active DE136008C (enExample)

Country Status (1)

Country Link
DE (1) DE136008C (enExample)

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