FR2721374B1 - - Google Patents

Info

Publication number
FR2721374B1
FR2721374B1 FR9409234A FR9409234A FR2721374B1 FR 2721374 B1 FR2721374 B1 FR 2721374B1 FR 9409234 A FR9409234 A FR 9409234A FR 9409234 A FR9409234 A FR 9409234A FR 2721374 B1 FR2721374 B1 FR 2721374B1
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 - Fee Related
Application number
FR9409234A
Other languages
French (fr)
Other versions
FR2721374A1 (fr
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
Priority claimed from FR9407424A external-priority patent/FR2721373A1/fr
Application filed filed Critical
Priority to FR9409234A priority Critical patent/FR2721374A1/fr
Publication of FR2721374A1 publication Critical patent/FR2721374A1/fr
Application granted granted Critical
Publication of FR2721374B1 publication Critical patent/FR2721374B1/fr
Granted 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
    • F16L9/17—Rigid pipes obtained by bending a sheet longitudinally and connecting the edges

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Arc Welding In General (AREA)
FR9409234A 1994-06-17 1994-07-26 Tube à deux parois co-envirolées. Granted FR2721374A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9409234A FR2721374A1 (fr) 1994-06-17 1994-07-26 Tube à deux parois co-envirolées.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9407424A FR2721373A1 (fr) 1994-06-17 1994-06-17 Tube à deux parois co-envirolées.
FR9409234A FR2721374A1 (fr) 1994-06-17 1994-07-26 Tube à deux parois co-envirolées.

Publications (2)

Publication Number Publication Date
FR2721374A1 FR2721374A1 (fr) 1995-12-22
FR2721374B1 true FR2721374B1 (enrdf_load_stackoverflow) 1997-02-21

Family

ID=26231238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9409234A Granted FR2721374A1 (fr) 1994-06-17 1994-07-26 Tube à deux parois co-envirolées.

Country Status (1)

Country Link
FR (1) FR2721374A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2658125C (en) 2006-08-01 2013-11-19 Afl Telecommunications Llc Embedded metallic tubes with compression fit and method for manufacturing the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE732527C (de) * 1938-02-28 1943-03-06 Mecano Spezialartikel Fuer Kra Nahtausbildung bei zweischichtigem, aus Metallstreifen gebogenem Verbundrohr
US2468493A (en) * 1945-07-16 1949-04-26 Arrowhead Rubber Company Duct
GB930214A (en) * 1961-01-30 1963-07-03 Campbell Gifford & Morton Ltd Improvements relating to metal tubing and its manufacture
US3311134A (en) * 1963-12-30 1967-03-28 Darwin R Howard Composite tubular products and method of making same
US4558721A (en) * 1982-09-28 1985-12-17 Apx Group Inc. Double walled tubing

Also Published As

Publication number Publication date
FR2721374A1 (fr) 1995-12-22

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Legal Events

Date Code Title Description
ST Notification of lapse