CH612234A5 - Double backflow preventer - Google Patents
Double backflow preventerInfo
- Publication number
- CH612234A5 CH612234A5 CH507576A CH507576A CH612234A5 CH 612234 A5 CH612234 A5 CH 612234A5 CH 507576 A CH507576 A CH 507576A CH 507576 A CH507576 A CH 507576A CH 612234 A5 CH612234 A5 CH 612234A5
- Authority
- CH
- Switzerland
- Prior art keywords
- backflow preventer
- double backflow
- double
- preventer
- backflow
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/042—Arrangements of means against overflow of water, backing-up from the drain
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)
- Mechanically-Actuated Valves (AREA)
- Safety Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752522427 DE2522427A1 (en) | 1975-05-21 | 1975-05-21 | BACKSTATION DOUBLE LATCH |
Publications (1)
Publication Number | Publication Date |
---|---|
CH612234A5 true CH612234A5 (en) | 1979-07-13 |
Family
ID=5947049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH507576A CH612234A5 (en) | 1975-05-21 | 1976-04-22 | Double backflow preventer |
Country Status (11)
Country | Link |
---|---|
AT (1) | AT353705B (en) |
BE (1) | BE842023A (en) |
CH (1) | CH612234A5 (en) |
DE (1) | DE2522427A1 (en) |
DK (1) | DK144710B (en) |
ES (1) | ES447975A1 (en) |
FR (1) | FR2311897A1 (en) |
GB (1) | GB1553704A (en) |
IT (1) | IT1062985B (en) |
NL (1) | NL7605514A (en) |
SE (1) | SE423824B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3037217C2 (en) * | 1980-10-02 | 1985-06-20 | Bernhard 8071 Lenting Kessel | Waste water tank |
DE3135645C2 (en) * | 1981-09-09 | 1985-12-19 | Bernhard 8071 Lenting Kessel | Sewage collection tank |
GB2117022A (en) * | 1982-03-12 | 1983-10-05 | Hepworth Plastics Ltd | A trapped road gulley |
DE3341899C1 (en) * | 1983-11-19 | 1985-05-15 | Bayer Ag, 5090 Leverkusen | Shut-off member, which can be subsequently installed, for a street gulley |
DE8903952U1 (en) * | 1989-03-31 | 1990-08-02 | Basika Entwässerungen GmbH, 5600 Wuppertal | Sink box especially for waste water |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE518143A (en) * | ||||
GB602190A (en) * | 1945-10-09 | 1948-05-21 | Hans Teller | Improvements in or relating to waste water drain wells or sumps |
US2891575A (en) * | 1954-07-21 | 1959-06-23 | Moeller Mfg Co Inc | Combination sewer plug stopper and standpipe |
FR1146474A (en) * | 1955-05-12 | 1957-11-12 | Hornemann & Co | Cellar settling siphon or the like |
DE1917289A1 (en) * | 1969-04-03 | 1970-10-15 | Heinrich Hebgen | Formwork for reinforced concrete ribbed ceilings |
DE2522424C3 (en) * | 1975-05-21 | 1979-10-04 | Bernhard 8073 Koesching Kessel | Floor drain |
-
1975
- 1975-05-21 DE DE19752522427 patent/DE2522427A1/en active Pending
-
1976
- 1976-04-22 CH CH507576A patent/CH612234A5/en not_active IP Right Cessation
- 1976-04-30 AT AT320776A patent/AT353705B/en not_active IP Right Cessation
- 1976-05-13 IT IT2322276A patent/IT1062985B/en active
- 1976-05-14 ES ES447975A patent/ES447975A1/en not_active Expired
- 1976-05-19 FR FR7615133A patent/FR2311897A1/en active Granted
- 1976-05-20 BE BE167178A patent/BE842023A/en not_active IP Right Cessation
- 1976-05-20 GB GB2090976A patent/GB1553704A/en not_active Expired
- 1976-05-20 DK DK222176A patent/DK144710B/en not_active Application Discontinuation
- 1976-05-21 NL NL7605514A patent/NL7605514A/en active Search and Examination
- 1976-05-21 SE SE7605827A patent/SE423824B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AT353705B (en) | 1979-11-26 |
SE423824B (en) | 1982-06-07 |
BE842023A (en) | 1976-09-16 |
DK144710B (en) | 1982-05-17 |
ATA320776A (en) | 1979-04-15 |
IT1062985B (en) | 1985-02-11 |
GB1553704A (en) | 1979-09-26 |
FR2311897B1 (en) | 1982-07-02 |
DK222176A (en) | 1976-11-22 |
DE2522427A1 (en) | 1976-11-25 |
ES447975A1 (en) | 1977-06-16 |
NL7605514A (en) | 1976-11-23 |
SE7605827L (en) | 1976-11-22 |
FR2311897A1 (en) | 1976-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |