FR1027609A - Improvements made to non-return devices for fluid circulation, in particular retaining devices for ascending liquid pipes - Google Patents

Improvements made to non-return devices for fluid circulation, in particular retaining devices for ascending liquid pipes

Info

Publication number
FR1027609A
FR1027609A FR1027609DA FR1027609A FR 1027609 A FR1027609 A FR 1027609A FR 1027609D A FR1027609D A FR 1027609DA FR 1027609 A FR1027609 A FR 1027609A
Authority
FR
France
Prior art keywords
devices
fluid circulation
improvements made
liquid pipes
ascending liquid
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
Application number
Other languages
French (fr)
Inventor
Charles-Eugene Martin
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 filed Critical
Application granted granted Critical
Publication of FR1027609A publication Critical patent/FR1027609A/en
Expired 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
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1027609D 1950-11-13 1950-11-13 Improvements made to non-return devices for fluid circulation, in particular retaining devices for ascending liquid pipes Expired FR1027609A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1027609T 1950-11-13

Publications (1)

Publication Number Publication Date
FR1027609A true FR1027609A (en) 1953-05-13

Family

ID=9580763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1027609D Expired FR1027609A (en) 1950-11-13 1950-11-13 Improvements made to non-return devices for fluid circulation, in particular retaining devices for ascending liquid pipes

Country Status (1)

Country Link
FR (1) FR1027609A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208131B (en) * 1960-09-09 1965-12-30 Olof Henrik Hallstroem Check valve
FR2419910A1 (en) * 1978-03-14 1979-10-12 Eco Res FLEXIBLE DOWNPIPE FOR VERTICAL WASTE OR RESIDUE TREATMENT DEVICE
FR2468807A1 (en) * 1979-10-31 1981-05-08 British Aerospace NON-RETURN VALVE
FR2598197A1 (en) * 1986-04-30 1987-11-06 Raymond Comolet Direct-passage valve
WO1998025059A1 (en) * 1996-12-04 1998-06-11 Hepworth Building Products Limited Non-return device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208131B (en) * 1960-09-09 1965-12-30 Olof Henrik Hallstroem Check valve
FR2419910A1 (en) * 1978-03-14 1979-10-12 Eco Res FLEXIBLE DOWNPIPE FOR VERTICAL WASTE OR RESIDUE TREATMENT DEVICE
FR2468807A1 (en) * 1979-10-31 1981-05-08 British Aerospace NON-RETURN VALVE
FR2598197A1 (en) * 1986-04-30 1987-11-06 Raymond Comolet Direct-passage valve
WO1998025059A1 (en) * 1996-12-04 1998-06-11 Hepworth Building Products Limited Non-return device
GB2352497A (en) * 1996-12-04 2001-01-31 Hepworth Building Prod Non-return device
GB2352497B (en) * 1996-12-04 2001-04-18 Hepworth Building Prod Non-return device
US7509978B1 (en) 1996-12-04 2009-03-31 Hepworth Building Products Limited Non-return device

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