FR775646A - Dispositif pour la fabrication de tuyaux souples ou rigides à rainures hélicoïdales - Google Patents

Dispositif pour la fabrication de tuyaux souples ou rigides à rainures hélicoïdales

Info

Publication number
FR775646A
FR775646A FR775646DA FR775646A FR 775646 A FR775646 A FR 775646A FR 775646D A FR775646D A FR 775646DA FR 775646 A FR775646 A FR 775646A
Authority
FR
France
Prior art keywords
manufacture
flexible
helical grooves
rigid pipes
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
English (en)
Inventor
Kopetz
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 FR775646A publication Critical patent/FR775646A/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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR775646D 1933-07-07 1934-07-06 Dispositif pour la fabrication de tuyaux souples ou rigides à rainures hélicoïdales Expired FR775646A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT775646X 1933-07-07

Publications (1)

Publication Number Publication Date
FR775646A true FR775646A (fr) 1935-01-05

Family

ID=3680757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR775646D Expired FR775646A (fr) 1933-07-07 1934-07-06 Dispositif pour la fabrication de tuyaux souples ou rigides à rainures hélicoïdales

Country Status (1)

Country Link
FR (1) FR775646A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE916706C (de) * 1950-07-27 1954-08-16 Rene Bornand Einrichtung zum Herstellen biegsamer, endloser Rohre aus bandfoermigem Werkstoff

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE916706C (de) * 1950-07-27 1954-08-16 Rene Bornand Einrichtung zum Herstellen biegsamer, endloser Rohre aus bandfoermigem Werkstoff

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