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GB2153048B - Improvements in non-return valves for liquids or gases - Google Patents

Improvements in non-return valves for liquids or gases

Info

Publication number
GB2153048B
GB2153048B GB08402756A GB8402756A GB2153048B GB 2153048 B GB2153048 B GB 2153048B GB 08402756 A GB08402756 A GB 08402756A GB 8402756 A GB8402756 A GB 8402756A GB 2153048 B GB2153048 B GB 2153048B
Authority
GB
United Kingdom
Prior art keywords
liquids
gases
return valves
valves
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.)
Expired
Application number
GB08402756A
Other versions
GB2153048A (en
GB8402756D0 (en
Inventor
James Edward Brown
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
Application filed by Individual filed Critical Individual
Priority to GB08402756A priority Critical patent/GB2153048B/en
Publication of GB8402756D0 publication Critical patent/GB8402756D0/en
Publication of GB2153048A publication Critical patent/GB2153048A/en
Application granted granted Critical
Publication of GB2153048B publication Critical patent/GB2153048B/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
GB08402756A 1984-02-02 1984-02-02 Improvements in non-return valves for liquids or gases Expired GB2153048B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08402756A GB2153048B (en) 1984-02-02 1984-02-02 Improvements in non-return valves for liquids or gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08402756A GB2153048B (en) 1984-02-02 1984-02-02 Improvements in non-return valves for liquids or gases

Publications (3)

Publication Number Publication Date
GB8402756D0 GB8402756D0 (en) 1984-03-07
GB2153048A GB2153048A (en) 1985-08-14
GB2153048B true GB2153048B (en) 1987-06-10

Family

ID=10555959

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08402756A Expired GB2153048B (en) 1984-02-02 1984-02-02 Improvements in non-return valves for liquids or gases

Country Status (1)

Country Link
GB (1) GB2153048B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190466A (en) * 1986-05-15 1987-11-18 C R M Design Services Ltd Improved valve member
US5881772A (en) * 1998-01-05 1999-03-16 Chesebrough-Pond's Usa., Co. Division Of Conopco, Inc. Smiling duckbill valve
EP1174549A3 (en) * 2000-07-19 2005-01-12 Michel Jacques Senteur Backflow-preventer
US9933079B2 (en) * 2004-01-29 2018-04-03 Angiodynamics, Inc. Stacked membrane for pressure actuated valve
SE526363C2 (en) * 2004-03-15 2005-08-30 Sjoebo Bruk Ab odor Blocking
EP2145124A1 (en) * 2007-05-07 2010-01-20 Ian Dracup Doig Duckbill type check valve with curved and resiliently biased closing seal
KR101802912B1 (en) * 2009-10-09 2017-11-29 다니엘 파이 Device with co-molded closure, one-way valve and variable-volume storage chamber, and related method
TW201706478A (en) 2013-04-26 2017-02-16 發肯免水科技公司 Hybrid flushing system and method for cleaning mixed flushing system
TWI580847B (en) 2013-05-28 2017-05-01 發肯免水科技公司 Fluid inlet portion for a waterless urinal cartridge
US10182688B2 (en) 2013-05-28 2019-01-22 Falcon Waterfree Technologies, Llc Splash-reducing and velocity-increasing cartridge exit
US10197430B2 (en) 2014-01-20 2019-02-05 Falcon Waterfree Technologies, Llc Visual indicator
GB2552659B (en) 2016-08-01 2019-06-12 Mcalpine & Co Ltd High flow drain control
GB2557197A (en) * 2016-11-30 2018-06-20 Anthony Griffiths Joseph Valve for inflatable object
USD917027S1 (en) 2019-12-18 2021-04-20 Lasalle Bristol Corporation Non-return device valve support member
USD924378S1 (en) 2019-12-18 2021-07-06 Lasalle Bristol Corporation Non-return device valve member

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1066508A (en) * 1962-12-27 1967-04-26 James Edward Brown Improvements in non-return valves for liquids or gases

Also Published As

Publication number Publication date
GB2153048A (en) 1985-08-14
GB8402756D0 (en) 1984-03-07

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
746 Register noted 'licences of right' (sect. 46/1977)
747B Proceeding under sect. 47(1) patents act 1977
747C Notice that the entry in the register 'licence of right' was cancelled (sect. 47/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950202