DK396489D0 - Tilbageloebsspaerre, isaer til anbringelse i drikkevandsledninger - Google Patents

Tilbageloebsspaerre, isaer til anbringelse i drikkevandsledninger

Info

Publication number: DK396489D0
Authority: DK; Denmark
Prior art keywords: issued; return safety; drinking pipe; drinking; pipe
Prior art date: 1987-12-12

Application number

DK396489A

Other languages

Danish (da)

English (en)

Other versions

DK396489A (da

Inventor

Walter Evers

Original Assignee

Lang Apparatebau 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.)

1987-12-12

Filing date

1989-08-11

Publication date

1989-08-11

1989-08-11 Application filed by Lang Apparatebau Gmbh filed Critical Lang Apparatebau Gmbh

1989-08-11 Publication of DK396489D0 publication Critical patent/DK396489D0/da

1989-08-11 Publication of DK396489A publication Critical patent/DK396489A/da

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)

DK396489A 1987-12-12 1989-08-11 Tilbageloebsspaerre, isaer til anbringelse i drikkevandsledninger DK396489A (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19873742207 DE3742207A1 (de)	1987-12-12	1987-12-12	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 (2)

Publication Number	Publication Date
DK396489D0 true DK396489D0 (da)	1989-08-11
DK396489A DK396489A (da)	1989-08-11

Family

ID=6342484

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK396489A DK396489A (da)	1987-12-12	1989-08-11	Tilbageloebsspaerre, isaer til anbringelse i drikkevandsledninger

Country Status (6)

Country	Link
EP (2)	EP0353266B1 (de)
DE (2)	DE3742207A1 (de)
DK (1)	DK396489A (de)
ES (1)	ES2030596T3 (de)
FI (1)	FI893642A0 (de)
WO (1)	WO1989005382A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 EP EP19890900218 patent/EP0353266B1/de not_active Expired - Lifetime
- 1988-11-30 ES ES89900218T patent/ES2030596T3/es not_active Expired - Lifetime
- 1988-11-30 DE DE8989900218T patent/DE3868925D1/de not_active Expired - Fee Related
- 1988-11-30 EP EP88119971A patent/EP0320700A1/de active Pending
- 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/DK396489A/da not_active Application Discontinuation

Also Published As

Publication number	Publication date
WO1989005382A1 (fr)	1989-06-15
EP0353266A1 (de)	1990-02-07
DE3742207A1 (de)	1989-06-22
ES2030596T3 (es)	1992-11-01
EP0320700A1 (de)	1989-06-21
FI893642A0 (fi)	1989-08-01
EP0353266B1 (de)	1992-03-04
DK396489A (da)	1989-08-11
DE3868925D1 (de)	1992-04-09

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Legal Events

Date	Code	Title	Description
1993-07-26	AHB	Application shelved due to non-payment