GB8601266D0 - Valves - Google Patents

Valves

Info

Publication number
GB8601266D0
GB8601266D0 GB868601266A GB8601266A GB8601266D0 GB 8601266 D0 GB8601266 D0 GB 8601266D0 GB 868601266 A GB868601266 A GB 868601266A GB 8601266 A GB8601266 A GB 8601266A GB 8601266 D0 GB8601266 D0 GB 8601266D0
Authority
GB
United Kingdom
Prior art keywords
valves
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.)
Granted
Application number
GB868601266A
Other versions
GB2171781B (en
GB2171781A (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.)
Andren C E
Original Assignee
Andren C E
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 GB858501373A external-priority patent/GB8501373D0/en
Application filed by Andren C E filed Critical Andren C E
Priority to GB08601266A priority Critical patent/GB2171781B/en
Priority to GB8815666A priority patent/GB2205148B/en
Publication of GB8601266D0 publication Critical patent/GB8601266D0/en
Priority to GB868618638A priority patent/GB8618638D0/en
Publication of GB2171781A publication Critical patent/GB2171781A/en
Application granted granted Critical
Publication of GB2171781B publication Critical patent/GB2171781B/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
    • 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
    • F16K15/145—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements being shaped as a solids of revolution, e.g. cylindrical or conical
    • 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
    • F16K15/148—Check valves with flexible valve members the closure elements being fixed in their centre
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
    • F16K17/19—Equalising valves predominantly for tanks
GB08601266A 1985-01-18 1986-01-20 Automatic one-way fluid valves Expired GB2171781B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB08601266A GB2171781B (en) 1985-01-18 1986-01-20 Automatic one-way fluid valves
GB8815666A GB2205148B (en) 1985-01-18 1986-01-20 Automatic one-way fluid valves
GB868618638A GB8618638D0 (en) 1986-01-20 1986-07-30 Fluid valves

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB858501373A GB8501373D0 (en) 1985-01-18 1985-01-18 Automatic one-way gas valves
GB858509388A GB8509388D0 (en) 1985-01-18 1985-04-12 Automatic one-way gas valves
GB08601266A GB2171781B (en) 1985-01-18 1986-01-20 Automatic one-way fluid valves

Publications (3)

Publication Number Publication Date
GB8601266D0 true GB8601266D0 (en) 1986-02-26
GB2171781A GB2171781A (en) 1986-09-03
GB2171781B GB2171781B (en) 1989-06-07

Family

ID=27262563

Family Applications (2)

Application Number Title Priority Date Filing Date
GB08601266A Expired GB2171781B (en) 1985-01-18 1986-01-20 Automatic one-way fluid valves
GB8815666A Expired GB2205148B (en) 1985-01-18 1986-01-20 Automatic one-way fluid valves

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8815666A Expired GB2205148B (en) 1985-01-18 1986-01-20 Automatic one-way fluid valves

Country Status (1)

Country Link
GB (2) GB2171781B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2231391B (en) * 1989-04-07 1993-03-03 Patrick Daniel Frawley A one way air admittance valve
GB8913009D0 (en) * 1989-06-06 1989-07-26 Frawley Patrick D One way air admittance valve
GB2244433B (en) * 1990-05-10 1995-01-04 Camberley Rubber Mouldings Lim Valve assembly for breathing apparatus
GB9106192D0 (en) * 1991-03-22 1991-05-08 Earl Jacqueline Improvement air admittance valve
US7793656B2 (en) 2002-06-03 2010-09-14 Lifetime Products, Inc. Underwater breathing devices and methods
US8011363B2 (en) 2002-06-03 2011-09-06 Mark Johnson Exhalation valve for use in a breathing device
US7823585B2 (en) 2004-10-08 2010-11-02 Mark Johnson Snorkel clip
US8297318B2 (en) * 2005-05-21 2012-10-30 Mark Johnson Check valve
MX2009008907A (en) 2007-02-20 2009-10-12 Mark R Johnson Exhalation valve for use in an underwater breathing device.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB345365A (en) * 1929-12-31 1931-03-26 Bouillon Freres Ets Pressure relieving closure
GB501313A (en) * 1937-08-21 1939-02-24 Jens Karl Mehlsen Improvements in air pumps
GB794362A (en) * 1955-08-10 1958-04-30 Thompson Brothers Bilston Ltd Transport tanks for petrol or other liquids
GB847055A (en) * 1957-08-09 1960-09-07 Ver Armaturen Gmbh Improvements in or relating to fluid flow control valves
GB1264813A (en) * 1970-02-26 1972-02-23
GB1337110A (en) * 1971-01-19 1973-11-14
US3952770A (en) * 1973-12-17 1976-04-27 Botnick Irlin H Non-freeze wall hydrant with vacuum breaker
GB1510895A (en) * 1976-06-08 1978-05-17 Peglers Ltd Anti-siphonage valves
US4080981A (en) * 1976-10-12 1978-03-28 Stewart Anthony F Antisiphon check valve
SE417239B (en) * 1978-03-17 1981-03-02 Svenska Flaektfabriken Ab PILOT VALVE FOR CONTROL OF A HEAD VALVE
US4191211A (en) * 1978-09-15 1980-03-04 The British Steam Specialties Limited Valve member for a non-return valve
US4241756A (en) * 1978-11-29 1980-12-30 C. R. Bard, Inc. Exhalation valve assembly

Also Published As

Publication number Publication date
GB2171781B (en) 1989-06-07
GB2205148A (en) 1988-11-30
GB2205148B (en) 1989-06-07
GB8815666D0 (en) 1988-08-10
GB2171781A (en) 1986-09-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee