FR648404A - Tuyau fretté à ondulations et son procédé de fabrication - Google Patents

Tuyau fretté à ondulations et son procédé de fabrication

Info

Publication number
FR648404A
FR648404A FR648404DA FR648404A FR 648404 A FR648404 A FR 648404A FR 648404D A FR648404D A FR 648404DA FR 648404 A FR648404 A FR 648404A
Authority
FR
France
Prior art keywords
manufacture
corrugated pipe
crimped corrugated
crimped
pipe
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 FR648404A publication Critical patent/FR648404A/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
    • B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/24—Making finned or ribbed tubes by fixing strip or like material to tubes annularly-ribbed tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR648404D 1927-06-23 1927-06-23 Tuyau fretté à ondulations et son procédé de fabrication Expired FR648404A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR648404T 1927-06-23

Publications (1)

Publication Number Publication Date
FR648404A true FR648404A (fr) 1928-12-10

Family

ID=9002681

Family Applications (1)

Application Number Title Priority Date Filing Date
FR648404D Expired FR648404A (fr) 1927-06-23 1927-06-23 Tuyau fretté à ondulations et son procédé de fabrication

Country Status (1)

Country Link
FR (1) FR648404A (fr)

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