FR683836A - Tuyau fretté à paroi droite obtenu par extension de la paroi - Google Patents

Tuyau fretté à paroi droite obtenu par extension de la paroi

Info

Publication number
FR683836A
FR683836A FR683836DA FR683836A FR 683836 A FR683836 A FR 683836A FR 683836D A FR683836D A FR 683836DA FR 683836 A FR683836 A FR 683836A
Authority
FR
France
Prior art keywords
wall
hooped
straight
extending
pipe obtained
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
Georges-Auguste Ferrand
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 FR683836A publication Critical patent/FR683836A/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, 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR683836D 1929-02-01 1929-02-01 Tuyau fretté à paroi droite obtenu par extension de la paroi Expired FR683836A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR683836T 1929-02-01

Publications (1)

Publication Number Publication Date
FR683836A true FR683836A (fr) 1930-06-18

Family

ID=9024117

Family Applications (1)

Application Number Title Priority Date Filing Date
FR683836D Expired FR683836A (fr) 1929-02-01 1929-02-01 Tuyau fretté à paroi droite obtenu par extension de la paroi

Country Status (1)

Country Link
FR (1) FR683836A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2677171A (en) * 1949-07-26 1954-05-04 Georges A Ferrand Construction of hooped pipelines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2677171A (en) * 1949-07-26 1954-05-04 Georges A Ferrand Construction of hooped pipelines

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