GB2515551B - Non return device - Google Patents

Non return device

Info

Publication number
GB2515551B
GB2515551B GB1311593.6A GB201311593A GB2515551B GB 2515551 B GB2515551 B GB 2515551B GB 201311593 A GB201311593 A GB 201311593A GB 2515551 B GB2515551 B GB 2515551B
Authority
GB
United Kingdom
Prior art keywords
return device
non return
return
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.)
Active
Application number
GB1311593.6A
Other versions
GB201311593D0 (en
GB2515551A (en
Inventor
Millward Keith
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.)
Polypipe Ltd
Original Assignee
Polypipe Ltd
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 Polypipe Ltd filed Critical Polypipe Ltd
Priority to GB1311593.6A priority Critical patent/GB2515551B/en
Publication of GB201311593D0 publication Critical patent/GB201311593D0/en
Publication of GB2515551A publication Critical patent/GB2515551A/en
Application granted granted Critical
Publication of GB2515551B publication Critical patent/GB2515551B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • 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
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E03C1/284—Odour seals having U-shaped trap
    • E03C1/288—Odour seals having U-shaped trap having non-return valves against return of waste water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
GB1311593.6A 2013-06-28 2013-06-28 Non return device Active GB2515551B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1311593.6A GB2515551B (en) 2013-06-28 2013-06-28 Non return device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1311593.6A GB2515551B (en) 2013-06-28 2013-06-28 Non return device

Publications (3)

Publication Number Publication Date
GB201311593D0 GB201311593D0 (en) 2013-08-14
GB2515551A GB2515551A (en) 2014-12-31
GB2515551B true GB2515551B (en) 2018-07-25

Family

ID=48999187

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1311593.6A Active GB2515551B (en) 2013-06-28 2013-06-28 Non return device

Country Status (1)

Country Link
GB (1) GB2515551B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US175145A (en) * 1876-03-21 Improvement in valves
US3967645A (en) * 1974-01-25 1976-07-06 Urocare Products, Inc. Check valve for urine collection device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US175145A (en) * 1876-03-21 Improvement in valves
US3967645A (en) * 1974-01-25 1976-07-06 Urocare Products, Inc. Check valve for urine collection device

Also Published As

Publication number Publication date
GB201311593D0 (en) 2013-08-14
GB2515551A (en) 2014-12-31

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