FR1021070A - Process for modifying the thickness and, optionally, the diameter of a tube - Google Patents

Process for modifying the thickness and, optionally, the diameter of a tube

Info

Publication number
FR1021070A
FR1021070A FR1021070DA FR1021070A FR 1021070 A FR1021070 A FR 1021070A FR 1021070D A FR1021070D A FR 1021070DA FR 1021070 A FR1021070 A FR 1021070A
Authority
FR
France
Prior art keywords
modifying
optionally
tube
thickness
diameter
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
French (fr)
Inventor
Andre Huet
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 FR1021070A publication Critical patent/FR1021070A/en
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
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/205—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with annular guides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1021070D 1950-06-28 1950-06-28 Process for modifying the thickness and, optionally, the diameter of a tube Expired FR1021070A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1021070T 1950-06-28

Publications (1)

Publication Number Publication Date
FR1021070A true FR1021070A (en) 1953-02-13

Family

ID=9576731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1021070D Expired FR1021070A (en) 1950-06-28 1950-06-28 Process for modifying the thickness and, optionally, the diameter of a tube

Country Status (1)

Country Link
FR (1) FR1021070A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509412A1 (en) * 1981-07-08 1983-01-14 Fiz Tech I Akad Nauk Tubular alloy bellows prodn. for measuring probes - using rapid heating steps to reduce scaling and increase grain size uniformity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509412A1 (en) * 1981-07-08 1983-01-14 Fiz Tech I Akad Nauk Tubular alloy bellows prodn. for measuring probes - using rapid heating steps to reduce scaling and increase grain size uniformity

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