FR2172786B1 - - Google Patents

Info

Publication number
FR2172786B1
FR2172786B1 FR7205847A FR7205847A FR2172786B1 FR 2172786 B1 FR2172786 B1 FR 2172786B1 FR 7205847 A FR7205847 A FR 7205847A FR 7205847 A FR7205847 A FR 7205847A FR 2172786 B1 FR2172786 B1 FR 2172786B1
Authority
FR
France
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
FR7205847A
Other languages
French (fr)
Other versions
FR2172786A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EMBURY ALECK
Original Assignee
EMBURY ALECK
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 by EMBURY ALECK filed Critical EMBURY ALECK
Priority to FR7205847A priority Critical patent/FR2172786B1/fr
Publication of FR2172786A1 publication Critical patent/FR2172786A1/fr
Application granted granted Critical
Publication of FR2172786B1 publication Critical patent/FR2172786B1/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
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR7205847A 1972-02-22 1972-02-22 Expired FR2172786B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7205847A FR2172786B1 (en) 1972-02-22 1972-02-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7205847A FR2172786B1 (en) 1972-02-22 1972-02-22

Publications (2)

Publication Number Publication Date
FR2172786A1 FR2172786A1 (en) 1973-10-05
FR2172786B1 true FR2172786B1 (en) 1977-12-23

Family

ID=9093881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7205847A Expired FR2172786B1 (en) 1972-02-22 1972-02-22

Country Status (1)

Country Link
FR (1) FR2172786B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2653553C2 (en) * 1976-11-25 1980-04-30 Otto Kuhlmann Gmbh & Co, 5870 Hemer Process for the production of a ring-like core for the bead of a pneumatic tire for tapered shoulder rims with a parallelogram in cross section

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1117585A (en) * 1966-08-30 1968-06-19 Metal Box Co Ltd Improvements in or relating to the treatment of strip metal

Also Published As

Publication number Publication date
FR2172786A1 (en) 1973-10-05

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Legal Events

Date Code Title Description
ST Notification of lapse