FR2636253B1 - LONGITUDINALLY PARTITIONED TUBE CONSISTING OF A STRIP OF A SINGLE HOLDER AND ITS MANUFACTURING METHOD - Google Patents

LONGITUDINALLY PARTITIONED TUBE CONSISTING OF A STRIP OF A SINGLE HOLDER AND ITS MANUFACTURING METHOD

Info

Publication number
FR2636253B1
FR2636253B1 FR8811796A FR8811796A FR2636253B1 FR 2636253 B1 FR2636253 B1 FR 2636253B1 FR 8811796 A FR8811796 A FR 8811796A FR 8811796 A FR8811796 A FR 8811796A FR 2636253 B1 FR2636253 B1 FR 2636253B1
Authority
FR
France
Prior art keywords
strip
manufacturing
tube consisting
single holder
longitudinally partitioned
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 - Fee Related
Application number
FR8811796A
Other languages
French (fr)
Other versions
FR2636253A1 (en
Inventor
Derollane Maurice
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.)
Luchaire SA
Original Assignee
Luchaire SA
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 Luchaire SA filed Critical Luchaire SA
Priority to FR8811796A priority Critical patent/FR2636253B1/en
Publication of FR2636253A1 publication Critical patent/FR2636253A1/en
Application granted granted Critical
Publication of FR2636253B1 publication Critical patent/FR2636253B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
    • 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
    • B21C37/151—Making tubes with multiple passages

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
FR8811796A 1988-09-09 1988-09-09 LONGITUDINALLY PARTITIONED TUBE CONSISTING OF A STRIP OF A SINGLE HOLDER AND ITS MANUFACTURING METHOD Expired - Fee Related FR2636253B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8811796A FR2636253B1 (en) 1988-09-09 1988-09-09 LONGITUDINALLY PARTITIONED TUBE CONSISTING OF A STRIP OF A SINGLE HOLDER AND ITS MANUFACTURING METHOD

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8811796A FR2636253B1 (en) 1988-09-09 1988-09-09 LONGITUDINALLY PARTITIONED TUBE CONSISTING OF A STRIP OF A SINGLE HOLDER AND ITS MANUFACTURING METHOD

Publications (2)

Publication Number Publication Date
FR2636253A1 FR2636253A1 (en) 1990-03-16
FR2636253B1 true FR2636253B1 (en) 1994-04-08

Family

ID=9369863

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8811796A Expired - Fee Related FR2636253B1 (en) 1988-09-09 1988-09-09 LONGITUDINALLY PARTITIONED TUBE CONSISTING OF A STRIP OF A SINGLE HOLDER AND ITS MANUFACTURING METHOD

Country Status (1)

Country Link
FR (1) FR2636253B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3692654B2 (en) * 1996-09-16 2005-09-07 株式会社デンソー Flat tube roll forming method and apparatus
CA2328804C (en) * 1999-12-24 2009-07-07 Kabushiki Kaisha Yutaka Giken Method of connecting two elongated portions of metallic plate, method of manufacturing exhaust pipe of two-passage construction, and exhaust pipe of two-passage construction

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE121714C (en) *
GB190924338A (en) * 1909-10-23 1910-06-09 Charles Macintosh And Company Improvements in or in connection with Pneumatic Tyres for Motor and other Vehicles.
FR491267A (en) * 1918-02-06 1919-05-28 Guido Debenedetti Profile tube in metal sheet with welded edges
US2401542A (en) * 1944-04-03 1946-06-04 Noblitt Sparks Ind Inc Process for making tubing
FR1454335A (en) * 1965-11-19 1966-07-22 Electrolux Ab Process for manufacturing pipes with two or more conduits, and resulting pipes

Also Published As

Publication number Publication date
FR2636253A1 (en) 1990-03-16

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Legal Events

Date Code Title Description
TP Transmission of property
CA Change of address
TP Transmission of property
ST Notification of lapse