FR2027218A1 - - Google Patents

Info

Publication number
FR2027218A1
FR2027218A1 FR6944984A FR6944984A FR2027218A1 FR 2027218 A1 FR2027218 A1 FR 2027218A1 FR 6944984 A FR6944984 A FR 6944984A FR 6944984 A FR6944984 A FR 6944984A FR 2027218 A1 FR2027218 A1 FR 2027218A1
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.)
Withdrawn
Application number
FR6944984A
Other languages
French (fr)
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.)
INST METALL
Original Assignee
INST METALL
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 INST METALL filed Critical INST METALL
Publication of FR2027218A1 publication Critical patent/FR2027218A1/fr
Withdrawn legal-status Critical Current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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/123—Making tubes or metal hoses with helically arranged seams of coated strip material; Making multi-wall tubes
    • 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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/126—Supply, or operations combined with supply, of strip material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
FR6944984A 1968-12-27 1969-12-24 Withdrawn FR2027218A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU681293037A SU276895A1 (ru) 1968-12-27 1968-12-27 Стан дл изготовлени двухслойных спиральношовных труб

Publications (1)

Publication Number Publication Date
FR2027218A1 true FR2027218A1 (enrdf_load_stackoverflow) 1970-09-25

Family

ID=20444160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6944984A Withdrawn FR2027218A1 (enrdf_load_stackoverflow) 1968-12-27 1969-12-24

Country Status (3)

Country Link
FR (1) FR2027218A1 (enrdf_load_stackoverflow)
GB (1) GB1266399A (enrdf_load_stackoverflow)
SU (1) SU276895A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190023B (en) * 1986-05-10 1989-12-13 Recker Finahzierungs Und Verwa Process for reconditioning cylindrical parts, tubes and the like

Also Published As

Publication number Publication date
GB1266399A (enrdf_load_stackoverflow) 1972-03-08
SU276895A1 (ru) 1986-11-15
DE1963805B2 (enrdf_load_stackoverflow) 1972-10-05
DE1963805A1 (de) 1970-11-26

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Legal Events

Date Code Title Description
ST Notification of lapse