FR1301646A - Anti-reflux device which can be fitted in liquid conduits, in particular in the shut-off device plug - Google Patents

Anti-reflux device which can be fitted in liquid conduits, in particular in the shut-off device plug

Info

Publication number
FR1301646A
FR1301646A FR873998A FR873998A FR1301646A FR 1301646 A FR1301646 A FR 1301646A FR 873998 A FR873998 A FR 873998A FR 873998 A FR873998 A FR 873998A FR 1301646 A FR1301646 A FR 1301646A
Authority
FR
France
Prior art keywords
shut
fitted
liquid conduits
plug
reflux
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
FR873998A
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.)
RHEINISCHES METALLWERK GmbH
Original Assignee
RHEINISCHES METALLWERK GmbH
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 RHEINISCHES METALLWERK GmbH filed Critical RHEINISCHES METALLWERK GmbH
Priority to FR873998A priority Critical patent/FR1301646A/en
Application granted granted Critical
Publication of FR1301646A publication Critical patent/FR1301646A/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)
FR873998A 1961-09-23 1961-09-23 Anti-reflux device which can be fitted in liquid conduits, in particular in the shut-off device plug Expired FR1301646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR873998A FR1301646A (en) 1961-09-23 1961-09-23 Anti-reflux device which can be fitted in liquid conduits, in particular in the shut-off device plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR873998A FR1301646A (en) 1961-09-23 1961-09-23 Anti-reflux device which can be fitted in liquid conduits, in particular in the shut-off device plug

Publications (1)

Publication Number Publication Date
FR1301646A true FR1301646A (en) 1962-08-17

Family

ID=8763372

Family Applications (1)

Application Number Title Priority Date Filing Date
FR873998A Expired FR1301646A (en) 1961-09-23 1961-09-23 Anti-reflux device which can be fitted in liquid conduits, in particular in the shut-off device plug

Country Status (1)

Country Link
FR (1) FR1301646A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291518A (en) * 1964-09-14 1966-12-13 Cascade Corp Valve
US3370659A (en) * 1964-09-25 1968-02-27 Gatien Paul Germain Drill rod and bit including one-way valve structure therein
US3417777A (en) * 1965-10-25 1968-12-24 Balsac Raymond Heim De Valve
FR2403788A1 (en) * 1977-09-22 1979-04-20 Fresenius Chem Pharm Ind PROTHETIC CLOSURE ELEMENT SERVING TO REPLACE MITRAL AND TRICUSPID VALVES IN HUMAN HEARTS
FR2510177A1 (en) * 1981-07-27 1983-01-28 Hoesch Estel Werke Ag LOST PLUG FOR HOLE DRILLED IN ROCK FOR CONSOLIDATION BY A FILLING SUBSTANCE, FOR EXAMPLE IN A MINE OR TUNNEL
US5340291A (en) * 1990-07-13 1994-08-23 Putzmeister-Werk Maschinenfabrik Gmbh Flow restraining device for a thick matter conveying apparatus
EP2895682A4 (en) * 2012-09-12 2016-07-06 Halliburton Energy Services Inc Resilient downhole flow restrictor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291518A (en) * 1964-09-14 1966-12-13 Cascade Corp Valve
US3370659A (en) * 1964-09-25 1968-02-27 Gatien Paul Germain Drill rod and bit including one-way valve structure therein
US3417777A (en) * 1965-10-25 1968-12-24 Balsac Raymond Heim De Valve
FR2403788A1 (en) * 1977-09-22 1979-04-20 Fresenius Chem Pharm Ind PROTHETIC CLOSURE ELEMENT SERVING TO REPLACE MITRAL AND TRICUSPID VALVES IN HUMAN HEARTS
FR2510177A1 (en) * 1981-07-27 1983-01-28 Hoesch Estel Werke Ag LOST PLUG FOR HOLE DRILLED IN ROCK FOR CONSOLIDATION BY A FILLING SUBSTANCE, FOR EXAMPLE IN A MINE OR TUNNEL
US5340291A (en) * 1990-07-13 1994-08-23 Putzmeister-Werk Maschinenfabrik Gmbh Flow restraining device for a thick matter conveying apparatus
EP2895682A4 (en) * 2012-09-12 2016-07-06 Halliburton Energy Services Inc Resilient downhole flow restrictor
US9416622B2 (en) 2012-09-12 2016-08-16 Halliburton Energy Services, Inc. Resilient downhole flow restrictor

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