CH612234A5 - Double backflow preventer - Google Patents

Double backflow preventer

Info

Publication number: CH612234A5
Authority: CH; Switzerland
Prior art keywords: backflow preventer; double backflow; double; preventer; backflow
Prior art date: 1975-05-21

Application number

CH507576A

Other languages

English (en)

Inventor

Bernhard Kessel

Original Assignee

Bernhard Kessel

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.)

1975-05-21

Filing date

1976-04-22

Publication date

1979-07-13

1976-04-22 Application filed by Bernhard Kessel filed Critical Bernhard Kessel

1979-07-13 Publication of CH612234A5 publication Critical patent/CH612234A5/xx

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)
Mechanically-Actuated Valves (AREA)
Check Valves (AREA)
Safety Valves (AREA)

CH507576A 1975-05-21 1976-04-22 Double backflow preventer CH612234A5 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19752522427 DE2522427A1 (de)	1975-05-21	1975-05-21	Rueckstau-doppelverschluss

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 (fr)
BE (1)	BE842023A (fr)
CH (1)	CH612234A5 (fr)
DE (1)	DE2522427A1 (fr)
DK (1)	DK144710B (fr)
ES (1)	ES447975A1 (fr)
FR (1)	FR2311897A1 (fr)
GB (1)	GB1553704A (fr)
IT (1)	IT1062985B (fr)
NL (1)	NL7605514A (fr)
SE (1)	SE423824B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3037217C2 (de) *	1980-10-02	1985-06-20	Bernhard 8071 Lenting Kessel	Abwasserbehälter
DE3135645C2 (de) *	1981-09-09	1985-12-19	Bernhard 8071 Lenting Kessel	Abwasser-Sammelbehälter
GB2117022A (en) *	1982-03-12	1983-10-05	Hepworth Plastics Ltd	A trapped road gulley
DE3341899C1 (de) *	1983-11-19	1985-05-15	Bayer Ag, 5090 Leverkusen	Nachträglich einbaubares Absperrorgan für einen Straßenablauf
DE8903952U1 (de) *	1989-03-31	1990-08-02	Basika Entwässerungen GmbH, 5600 Wuppertal	Sinkkasten für insbesondere Abwasser

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE518143A (fr) *
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 (fr) *	1955-05-12	1957-11-12	Hornemann & Co	Siphon de décantation de cave ou analogue
DE1917289A1 (de) *	1969-04-03	1970-10-15	Heinrich Hebgen	Schalungskoerper fuer Stahlbeton-Rippendecken
DE2522424C3 (de) *	1975-05-21	1979-10-04	Bernhard 8073 Koesching Kessel	Bodenablauf

1975
- 1975-05-21 DE DE19752522427 patent/DE2522427A1/de active Pending
1976
- 1976-04-22 CH CH507576A patent/CH612234A5/xx not_active IP Right Cessation
- 1976-04-30 AT AT320776A patent/AT353705B/de not_active IP Right Cessation
- 1976-05-13 IT IT2322276A patent/IT1062985B/it active
- 1976-05-14 ES ES447975A patent/ES447975A1/es not_active Expired
- 1976-05-19 FR FR7615133A patent/FR2311897A1/fr active Granted
- 1976-05-20 DK DK222176A patent/DK144710B/da not_active Application Discontinuation
- 1976-05-20 BE BE167178A patent/BE842023A/fr not_active IP Right Cessation
- 1976-05-20 GB GB2090976A patent/GB1553704A/en not_active Expired
- 1976-05-21 NL NL7605514A patent/NL7605514A/xx active Search and Examination
- 1976-05-21 SE SE7605827A patent/SE423824B/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
DK222176A (da)	1976-11-22
DE2522427A1 (de)	1976-11-25
NL7605514A (nl)	1976-11-23
AT353705B (de)	1979-11-26
SE7605827L (sv)	1976-11-22
GB1553704A (en)	1979-09-26
IT1062985B (it)	1985-02-11
ES447975A1 (es)	1977-06-16
DK144710B (da)	1982-05-17
FR2311897A1 (fr)	1976-12-17
FR2311897B1 (fr)	1982-07-02
SE423824B (sv)	1982-06-07
BE842023A (fr)	1976-09-16
ATA320776A (de)	1979-04-15

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Legal Events

Date	Code	Title	Description
1982-12-31	PL	Patent ceased
2024-10-31	PL	Patent ceased