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FR802020A - Anti-return device for contaminated water in drinking water pipes - Google Patents

Anti-return device for contaminated water in drinking water pipes

Info

Publication number
FR802020A
FR802020A FR802020DA FR802020A FR 802020 A FR802020 A FR 802020A FR 802020D A FR802020D A FR 802020DA FR 802020 A FR802020 A FR 802020A
Authority
FR
France
Prior art keywords
return device
drinking water
water pipes
contaminated
contaminated water
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
Other languages
French (fr)
Inventor
Andre Patient
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 filed Critical
Application granted granted Critical
Publication of FR802020A publication Critical patent/FR802020A/en
Expired legal-status Critical Current

Links

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
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D3/00—Flushing devices operated by pressure of the water supply system flushing valves not connected to the water-supply main, also if air is blown in the water seal for a quick flushing

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)
FR802020D 1935-05-10 1935-05-10 Anti-return device for contaminated water in drinking water pipes Expired FR802020A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR802020T 1935-05-10

Publications (1)

Publication Number Publication Date
FR802020A true FR802020A (en) 1936-08-25

Family

ID=9246095

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802020D Expired FR802020A (en) 1935-05-10 1935-05-10 Anti-return device for contaminated water in drinking water pipes

Country Status (1)

Country Link
FR (1) FR802020A (en)

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