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FR2793299B1 - Perfectionnement pour vanne antiretour - Google Patents

Perfectionnement pour vanne antiretour

Info

Publication number
FR2793299B1
FR2793299B1 FR9912322A FR9912322A FR2793299B1 FR 2793299 B1 FR2793299 B1 FR 2793299B1 FR 9912322 A FR9912322 A FR 9912322A FR 9912322 A FR9912322 A FR 9912322A FR 2793299 B1 FR2793299 B1 FR 2793299B1
Authority
FR
France
Prior art keywords
improvement
return valve
return
valve
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
FR9912322A
Other languages
English (en)
Other versions
FR2793299A1 (fr
Inventor
Francois Gagnon
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.)
CAGNON SA
Original Assignee
CAGNON 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
Priority claimed from FR9905951A external-priority patent/FR2793298A1/fr
Application filed by CAGNON SA filed Critical CAGNON SA
Priority to FR9912322A priority Critical patent/FR2793299B1/fr
Publication of FR2793299A1 publication Critical patent/FR2793299A1/fr
Application granted granted Critical
Publication of FR2793299B1 publication Critical patent/FR2793299B1/fr
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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
    • F16K15/036—Dual valve members with hinges crossing the flow line substantially diametrical
    • F16K15/038—Dual valve members with hinges crossing the flow line substantially diametrical having a common hinge

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
FR9912322A 1999-05-06 1999-09-28 Perfectionnement pour vanne antiretour Expired - Fee Related FR2793299B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9912322A FR2793299B1 (fr) 1999-05-06 1999-09-28 Perfectionnement pour vanne antiretour

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9905951A FR2793298A1 (fr) 1999-05-06 1999-05-06 Vanne antiretour
FR9912322A FR2793299B1 (fr) 1999-05-06 1999-09-28 Perfectionnement pour vanne antiretour

Publications (2)

Publication Number Publication Date
FR2793299A1 FR2793299A1 (fr) 2000-11-10
FR2793299B1 true FR2793299B1 (fr) 2001-06-29

Family

ID=26234950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9912322A Expired - Fee Related FR2793299B1 (fr) 1999-05-06 1999-09-28 Perfectionnement pour vanne antiretour

Country Status (1)

Country Link
FR (1) FR2793299B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007057663B4 (de) * 2007-11-28 2019-06-19 Ritag Ritterhuder Armaturen Gmbh & Co. Armaturenwerk Kg Doppelrückschlagklappe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172424A (en) * 1962-07-24 1965-03-09 Crawford K Stillwagon Disc type check valve
US4230148A (en) * 1979-04-06 1980-10-28 De Laval Turbine Inc. Check-valve construction

Also Published As

Publication number Publication date
FR2793299A1 (fr) 2000-11-10

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Legal Events

Date Code Title Description
ST Notification of lapse