FR2436925A1 - Clapet de non-retour avec mise a l'air libre du circuit situe en aval du clapet lorsque celui-ci se trouve en position de fermeture - Google Patents
Clapet de non-retour avec mise a l'air libre du circuit situe en aval du clapet lorsque celui-ci se trouve en position de fermetureInfo
- Publication number
- FR2436925A1 FR2436925A1 FR7827126A FR7827126A FR2436925A1 FR 2436925 A1 FR2436925 A1 FR 2436925A1 FR 7827126 A FR7827126 A FR 7827126A FR 7827126 A FR7827126 A FR 7827126A FR 2436925 A1 FR2436925 A1 FR 2436925A1
- Authority
- FR
- France
- Prior art keywords
- valve
- throat
- closed position
- protuberance
- sleeve
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
- E03C1/104—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using a single check valve
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
- E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
L'INVENTION CONCERNE UN CLAPET DE NON-RETOUR AVEC MISE A L'AIR LIBRE DU CIRCUIT SITUE EN AVAL DU CLAPET LORSQUE CELUI-CI SE TROUVE EN POSITION DE FERMETURE. CE CLAPET SE COMPOSE D'UN MANCHON CYLINDRIQUE SE LOGEANT DANS UN CONDUIT CYLINDRIQUE, ET COMPRENANT: -D'UNE PART, SUR SA FACE CYLINDRIQUE EXTERNE, UNE GORGE ANNULAIRE SITUEE ENTRE DEUX JOINTS D'ETANCHEITE; ET D'AUTRE PART, A L'INTERIEUR DU MANCHON UN RETRECISSEMENT D'ALESAGE PORTANT A SON EXTREMITE UNE PROTUBERANCE S'ETENDANT AXIALEMENT AU-DELA DU NIVEAU DE LA SUSDITE GORGE, CETTE PROTUBERANCE DELIMITANT UN PASSAGE CENTRAL ET UNE CHAMBRE ANNULAIRE COMMUNIQUANT AVEC LA GORGE PAR DES PERCAGES ET, EN AMONT DE LA SUSDITE GORGE, UNE MEMBRANE MUNIE D'UN PERCAGE CENTRAL SITUEE ENTRE LADITE PROTUBERANCE ET UN NOYAU CENTRAL FIXE AU SUSDIT MANCHON AU MOYEN D'UNE LIAISON AJOUREE. L'INVENTION S'APPLIQUE NOTAMMENT AUX PULVERISATEURS-MELANGEURS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7827126A FR2436925A1 (fr) | 1978-09-21 | 1978-09-21 | Clapet de non-retour avec mise a l'air libre du circuit situe en aval du clapet lorsque celui-ci se trouve en position de fermeture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7827126A FR2436925A1 (fr) | 1978-09-21 | 1978-09-21 | Clapet de non-retour avec mise a l'air libre du circuit situe en aval du clapet lorsque celui-ci se trouve en position de fermeture |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2436925A1 true FR2436925A1 (fr) | 1980-04-18 |
FR2436925B1 FR2436925B1 (fr) | 1985-01-11 |
Family
ID=9212891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7827126A Granted FR2436925A1 (fr) | 1978-09-21 | 1978-09-21 | Clapet de non-retour avec mise a l'air libre du circuit situe en aval du clapet lorsque celui-ci se trouve en position de fermeture |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2436925A1 (fr) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2033467A (en) * | 1935-06-07 | 1936-03-10 | Pierce John B Foundation | Air valve-vacuum breaker |
FR1198019A (fr) * | 1958-02-07 | 1959-12-04 | Bec à micro-clapet amovible, anti-retour pour pulvérisation synchronisés | |
US2940464A (en) * | 1957-03-04 | 1960-06-14 | Alfred M Moen | Anti-syphoning fitting |
US3952766A (en) * | 1974-08-13 | 1976-04-27 | Jh Industries, Inc. | Backflow preventer |
US4080981A (en) * | 1976-10-12 | 1978-03-28 | Stewart Anthony F | Antisiphon check valve |
-
1978
- 1978-09-21 FR FR7827126A patent/FR2436925A1/fr active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2033467A (en) * | 1935-06-07 | 1936-03-10 | Pierce John B Foundation | Air valve-vacuum breaker |
US2940464A (en) * | 1957-03-04 | 1960-06-14 | Alfred M Moen | Anti-syphoning fitting |
FR1198019A (fr) * | 1958-02-07 | 1959-12-04 | Bec à micro-clapet amovible, anti-retour pour pulvérisation synchronisés | |
US3952766A (en) * | 1974-08-13 | 1976-04-27 | Jh Industries, Inc. | Backflow preventer |
US4080981A (en) * | 1976-10-12 | 1978-03-28 | Stewart Anthony F | Antisiphon check valve |
Also Published As
Publication number | Publication date |
---|---|
FR2436925B1 (fr) | 1985-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |