FR2109923A5 - - Google Patents

Info

Publication number
FR2109923A5
FR2109923A5 FR7135302A FR7135302A FR2109923A5 FR 2109923 A5 FR2109923 A5 FR 2109923A5 FR 7135302 A FR7135302 A FR 7135302A FR 7135302 A FR7135302 A FR 7135302A FR 2109923 A5 FR2109923 A5 FR 2109923A5
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
FR7135302A
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.)
Spir L Ok Industries Ltd
Original Assignee
Spir L Ok Industries Ltd
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 Spir L Ok Industries Ltd filed Critical Spir L Ok Industries Ltd
Application granted granted Critical
Publication of FR2109923A5 publication Critical patent/FR2109923A5/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)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
FR7135302A 1970-10-09 1971-09-30 Expired FR2109923A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA883780A CA883780A (en) 1970-10-09 1970-10-09 Apparatus for and the method of, making spiral seamed laminated sheet metal pipe

Publications (1)

Publication Number Publication Date
FR2109923A5 true FR2109923A5 (en) 1972-05-26

Family

ID=4087752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7135302A Expired FR2109923A5 (en) 1970-10-09 1971-09-30

Country Status (6)

Country Link
AU (1) AU446886B2 (en)
CA (1) CA883780A (en)
DE (1) DE2150114A1 (en)
FR (1) FR2109923A5 (en)
GB (1) GB1314747A (en)
ZA (1) ZA716135B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374610A1 (en) * 1976-12-15 1978-07-13 Gen Atomic Co HELICOIDAL RIBBON TUBE FOR HEAT EXCHANGES AND ITS MANUFACTURING PROCESS

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT394815B (en) * 1990-01-02 1992-06-25 Walter Schwarz SHEET METAL TAPE, METHOD AND DEVICE FOR PRODUCING FOLDED SCREW SEAM TUBES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374610A1 (en) * 1976-12-15 1978-07-13 Gen Atomic Co HELICOIDAL RIBBON TUBE FOR HEAT EXCHANGES AND ITS MANUFACTURING PROCESS

Also Published As

Publication number Publication date
GB1314747A (en) 1973-04-26
CA883780A (en) 1971-10-19
AU3362971A (en) 1973-03-22
DE2150114A1 (en) 1972-04-13
ZA716135B (en) 1972-05-31
AU446886B2 (en) 1974-04-04

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Legal Events

Date Code Title Description
ST Notification of lapse