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ATA73689A - BACKFLOW VALVE - Google Patents

BACKFLOW VALVE

Info

Publication number
ATA73689A
ATA73689A AT73689A AT73689A ATA73689A AT A73689 A ATA73689 A AT A73689A AT 73689 A AT73689 A AT 73689A AT 73689 A AT73689 A AT 73689A AT A73689 A ATA73689 A AT A73689A
Authority
AT
Austria
Prior art keywords
backflow valve
backflow
valve
Prior art date
Application number
AT73689A
Other languages
German (de)
Other versions
AT396492B (en
Inventor
Werner Nill
Original Assignee
Werner Nill
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.)
Filing date
Publication date
Application filed by Werner Nill filed Critical Werner Nill
Publication of ATA73689A publication Critical patent/ATA73689A/en
Application granted granted Critical
Publication of AT396492B publication Critical patent/AT396492B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/02—Shut-off devices
    • E03F7/04—Valves for preventing return flow

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)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Lift Valve (AREA)
  • Sliding Valves (AREA)
AT73689A 1988-04-05 1989-03-30 BACKFLOW VALVE AT396492B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH125088A CH676132A5 (en) 1988-04-05 1988-04-05

Publications (2)

Publication Number Publication Date
ATA73689A true ATA73689A (en) 1993-01-15
AT396492B AT396492B (en) 1993-09-27

Family

ID=4205995

Family Applications (1)

Application Number Title Priority Date Filing Date
AT73689A AT396492B (en) 1988-04-05 1989-03-30 BACKFLOW VALVE

Country Status (4)

Country Link
AT (1) AT396492B (en)
CH (1) CH676132A5 (en)
DE (2) DE8903740U1 (en)
FR (1) FR2629556B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK170994B1 (en) * 1991-06-06 1996-04-15 Torben Jensen Animal barriers for barring animals, preferably rats, from accessing a pipe stretch, e.g. a sewer
DE4223259C2 (en) * 1992-07-15 1999-06-17 Hansjoerg Prof Dr Ing Brombach Flap weir
IL206349A0 (en) * 2010-06-14 2010-11-30 Hosam Costa Kassis Non-return sewage barrier
EP3260614A1 (en) * 2016-06-20 2017-12-27 Sjorstechniek B.V. A sewer valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1237247A (en) * 1959-06-17 1960-07-29 Loing Verreries Check valve
DE2653158C2 (en) * 1976-11-23 1983-06-01 Strate GmbH Maschinenfabrik für Abwassertechnik, 3014 Laatzen Check valve
DE2913969A1 (en) * 1979-04-04 1980-10-23 Hubert Combe Waste water ducting system return flow check - has open space for dirt between seal hinge and inflow duct sealing surface
DE3127487C2 (en) * 1981-07-11 1989-07-20 Bernhard 8071 Lenting Kessel Cleaning pipe

Also Published As

Publication number Publication date
DE8903740U1 (en) 1989-05-11
AT396492B (en) 1993-09-27
FR2629556B1 (en) 1991-12-13
DE3909901A1 (en) 1989-10-19
CH676132A5 (en) 1990-12-14
FR2629556A1 (en) 1989-10-06

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties
ELJ Ceased due to non-payment of the annual fee