FR868704A - Tube ou tuyau à trois épaisseurs, résistant à la corrosion - Google Patents

Tube ou tuyau à trois épaisseurs, résistant à la corrosion

Info

Publication number
FR868704A
FR868704A FR868704DA FR868704A FR 868704 A FR868704 A FR 868704A FR 868704D A FR868704D A FR 868704DA FR 868704 A FR868704 A FR 868704A
Authority
FR
France
Prior art keywords
pipe
corrosion resistant
ply
ply pipe
corrosion
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
English (en)
Inventor
Matthaus Braun
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 FR868704A publication Critical patent/FR868704A/fr
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
    • B21C37/154—Making multi-wall tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
    • F16L9/165—Rigid pipes wound from sheets or strips, with or without reinforcement of metal

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR868704D 1939-12-22 1940-12-30 Tube ou tuyau à trois épaisseurs, résistant à la corrosion Expired FR868704A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE868704X 1939-12-22

Publications (1)

Publication Number Publication Date
FR868704A true FR868704A (fr) 1942-01-14

Family

ID=1555483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868704D Expired FR868704A (fr) 1939-12-22 1940-12-30 Tube ou tuyau à trois épaisseurs, résistant à la corrosion

Country Status (1)

Country Link
FR (1) FR868704A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2630033A (en) * 1949-07-01 1953-03-03 Stover Smokey Olin Tube bending tool
FR2561142A1 (fr) * 1984-03-16 1985-09-20 Ugine Gueugnon Sa Tube soude a double paroi et son procede de fabrication

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2630033A (en) * 1949-07-01 1953-03-03 Stover Smokey Olin Tube bending tool
FR2561142A1 (fr) * 1984-03-16 1985-09-20 Ugine Gueugnon Sa Tube soude a double paroi et son procede de fabrication
EP0156711A1 (fr) * 1984-03-16 1985-10-02 Ugine Aciers De Chatillon Et Gueugnon Tube soudé à double paroi et son procédé de fabrication
US4674542A (en) * 1984-03-16 1987-06-23 Ugine Gueugnon S.A. Double-wall welded tube

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