DE3868925D1 - Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen. - Google Patents
Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen.Info
- Publication number
- DE3868925D1 DE3868925D1 DE8989900218T DE3868925T DE3868925D1 DE 3868925 D1 DE3868925 D1 DE 3868925D1 DE 8989900218 T DE8989900218 T DE 8989900218T DE 3868925 T DE3868925 T DE 3868925T DE 3868925 D1 DE3868925 D1 DE 3868925D1
- Authority
- DE
- Germany
- Prior art keywords
- inlet
- installation
- drinking water
- water pipes
- valves
- 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
Links
Classifications
-
- 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
- E03C1/106—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using two or more check valves
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Check Valves (AREA)
- Safety Valves (AREA)
- Fluid-Driven Valves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8989900218T DE3868925D1 (de) | 1987-12-12 | 1988-11-30 | Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen. |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873742207 DE3742207A1 (de) | 1987-12-12 | 1987-12-12 | Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen |
DE8989900218T DE3868925D1 (de) | 1987-12-12 | 1988-11-30 | Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen. |
PCT/EP1988/001087 WO1989005382A1 (fr) | 1987-12-12 | 1988-11-30 | Clapet de non-retour, notamment pour conduits d'eau potable |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3868925D1 true DE3868925D1 (de) | 1992-04-09 |
Family
ID=6342484
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873742207 Withdrawn DE3742207A1 (de) | 1987-12-12 | 1987-12-12 | Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen |
DE8989900218T Expired - Fee Related DE3868925D1 (de) | 1987-12-12 | 1988-11-30 | Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873742207 Withdrawn DE3742207A1 (de) | 1987-12-12 | 1987-12-12 | Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP0320700A1 (de) |
DE (2) | DE3742207A1 (de) |
DK (1) | DK396489D0 (de) |
ES (1) | ES2030596T3 (de) |
FI (1) | FI893642A0 (de) |
WO (1) | WO1989005382A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4204386C2 (de) * | 1992-02-14 | 1994-01-20 | Honeywell Braukmann Gmbh | Systemtrenner |
DE4217334C2 (de) * | 1992-05-26 | 1994-06-09 | Heinrich W Kiesewetter | Systemtrennungsarmatur |
ES2178915B1 (es) * | 2000-03-07 | 2004-04-16 | Plasticos Mondragon, S.A. | Valvula hidraulica de membrana perfeccionada, para regulacion del caudal de fluidos. |
CN102486237A (zh) * | 2010-12-01 | 2012-06-06 | 刘永 | 内置过滤网和无须外置配管的倒流防止器 |
CN102322541B (zh) * | 2011-09-02 | 2013-08-28 | 陈银周 | 低阻力倒流防止器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2503424A (en) * | 1945-01-15 | 1950-04-11 | Leonard L Snyder | Backflow preventer |
US3083723A (en) * | 1959-11-04 | 1963-04-02 | Paul J Duchin | Vacuum breaker |
IL45802A (en) * | 1973-10-26 | 1977-05-31 | Griswold Controls | Check valve useful in backflow prevention apparatus |
DE2650934A1 (de) * | 1976-11-08 | 1978-05-11 | Waletzko Alfred Apparatebau | Rueckflussverhinderer, insbesondere fuer rohrtrenner |
DE2930819C2 (de) * | 1979-07-30 | 1985-04-11 | Amtrol Inc., West Warwick, R.I. | Vorrichtung zur Verhinderung des Rückströmens von Wasser in einer Versorgungsleitung |
DE3537484C1 (en) * | 1985-10-22 | 1987-03-05 | Baelz Juergen Controls | Shut-off and aeration device, in particular for drinking-water systems |
-
1987
- 1987-12-12 DE DE19873742207 patent/DE3742207A1/de not_active Withdrawn
-
1988
- 1988-11-30 DE DE8989900218T patent/DE3868925D1/de not_active Expired - Fee Related
- 1988-11-30 ES ES89900218T patent/ES2030596T3/es not_active Expired - Lifetime
- 1988-11-30 EP EP88119971A patent/EP0320700A1/de active Pending
- 1988-11-30 EP EP19890900218 patent/EP0353266B1/de not_active Expired - Lifetime
- 1988-11-30 WO PCT/EP1988/001087 patent/WO1989005382A1/de active IP Right Grant
-
1989
- 1989-08-01 FI FI893642A patent/FI893642A0/fi not_active Application Discontinuation
- 1989-08-11 DK DK396489A patent/DK396489D0/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0353266A1 (de) | 1990-02-07 |
ES2030596T3 (es) | 1992-11-01 |
EP0353266B1 (de) | 1992-03-04 |
DK396489A (da) | 1989-08-11 |
EP0320700A1 (de) | 1989-06-21 |
WO1989005382A1 (fr) | 1989-06-15 |
DE3742207A1 (de) | 1989-06-22 |
DK396489D0 (da) | 1989-08-11 |
FI893642A0 (fi) | 1989-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |