ES447794A1 - Perfeccionamientos en cierres dobles contra retroceso. - Google Patents

Perfeccionamientos en cierres dobles contra retroceso.

Info

Publication number
ES447794A1
ES447794A1 ES447794A ES447794A ES447794A1 ES 447794 A1 ES447794 A1 ES 447794A1 ES 447794 A ES447794 A ES 447794A ES 447794 A ES447794 A ES 447794A ES 447794 A1 ES447794 A1 ES 447794A1
Authority
ES
Spain
Prior art keywords
water
valve unit
backflow preventer
double valve
sealed
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
Application number
ES447794A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from DE19752522426 external-priority patent/DE2522426C3/de
Application filed by Individual filed Critical Individual
Publication of ES447794A1 publication Critical patent/ES447794A1/es
Expired legal-status Critical Current

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)
  • Multiple-Way Valves (AREA)
  • Taps Or Cocks (AREA)
  • Cookers (AREA)
ES447794A 1975-05-21 1976-05-11 Perfeccionamientos en cierres dobles contra retroceso. Expired ES447794A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752522426 DE2522426C3 (de) 1975-05-21 Rückstau-Doppelverschluli

Publications (1)

Publication Number Publication Date
ES447794A1 true ES447794A1 (es) 1977-06-16

Family

ID=5947048

Family Applications (1)

Application Number Title Priority Date Filing Date
ES447794A Expired ES447794A1 (es) 1975-05-21 1976-05-11 Perfeccionamientos en cierres dobles contra retroceso.

Country Status (10)

Country Link
AT (1) AT366447B (es)
BE (1) BE842022A (es)
CH (1) CH608847A5 (es)
DK (1) DK145269C (es)
ES (1) ES447794A1 (es)
FR (1) FR2311896A1 (es)
GB (1) GB1553706A (es)
IT (1) IT1060432B (es)
NL (1) NL7605513A (es)
SE (1) SE406483B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT373003B (de) * 1982-07-15 1983-12-12 Hutterer & Lechner Kg An das abwassernetz angeschlossener tropftrichter fuer den ueberlauf von heisswasserbehaeltern u.dgl.
US4522233A (en) * 1982-09-29 1985-06-11 Smith & Loveless, Inc. Multi-position plug valve
GB8514420D0 (en) * 1985-06-07 1985-07-10 Forsac Valves Inc Valve assembly
GB8706971D0 (en) * 1987-03-24 1987-04-29 Devlin J Flood prevention device
US6106706A (en) * 1995-10-30 2000-08-22 Rsf Patent Pty Ltd. Storm water filter arrangement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE222357C (es) *
GB191119874A (en) * 1911-03-20 1912-03-28 Spirito Bonacina Improvements in or relating to Apparatus for Closing Fluid or other Outlets.
CH322921A (de) * 1954-06-22 1957-07-15 Loeffler Walther Aufnahmevorrichtung für Abwässer.
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

Also Published As

Publication number Publication date
CH608847A5 (en) 1979-01-31
IT1060432B (it) 1982-08-20
NL7605513A (nl) 1976-11-23
DE2522426B2 (de) 1977-07-14
DK222276A (da) 1976-11-22
FR2311896B1 (es) 1982-06-25
GB1553706A (en) 1979-09-26
DK145269C (da) 1983-03-14
BE842022A (fr) 1976-09-16
SE406483B (sv) 1979-02-12
FR2311896A1 (fr) 1976-12-17
DK145269B (da) 1982-10-18
SE7605550L (sv) 1976-11-22
AT366447B (de) 1982-04-13
DE2522426A1 (de) 1976-12-02
ATA320576A (de) 1977-02-15

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