GB2108241B - Check valve - Google Patents

Check valve

Info

Publication number
GB2108241B
GB2108241B GB8132470A GB8132470A GB2108241B GB 2108241 B GB2108241 B GB 2108241B GB 8132470 A GB8132470 A GB 8132470A GB 8132470 A GB8132470 A GB 8132470A GB 2108241 B GB2108241 B GB 2108241B
Authority
GB
United Kingdom
Prior art keywords
check valve
check
valve
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
GB8132470A
Other versions
GB2108241A (en
Inventor
David Edward Griswold
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.)
Griswold Controls LLC
Original Assignee
Griswold Controls LLC
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 Griswold Controls LLC filed Critical Griswold Controls LLC
Publication of GB2108241A publication Critical patent/GB2108241A/en
Application granted granted Critical
Publication of GB2108241B publication Critical patent/GB2108241B/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
    • 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
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Safety Valves (AREA)
GB8132470A 1978-06-23 1981-10-28 Check valve Expired GB2108241B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91864678A 1978-06-23 1978-06-23

Publications (2)

Publication Number Publication Date
GB2108241A GB2108241A (en) 1983-05-11
GB2108241B true GB2108241B (en) 1983-09-07

Family

ID=25440726

Family Applications (5)

Application Number Title Priority Date Filing Date
GB8132471A Expired GB2102918B (en) 1978-06-23 1979-06-22 Relief valve
GB7921914A Expired GB2023776B (en) 1978-06-23 1979-06-22 Backflow prevention apparatus
GB8216022A Expired GB2101716B (en) 1978-06-23 1979-06-22 Check valve assembly
GB8132470A Expired GB2108241B (en) 1978-06-23 1981-10-28 Check valve
GB8216023A Expired GB2104195B (en) 1978-06-23 1982-06-02 Check valve assembly

Family Applications Before (3)

Application Number Title Priority Date Filing Date
GB8132471A Expired GB2102918B (en) 1978-06-23 1979-06-22 Relief valve
GB7921914A Expired GB2023776B (en) 1978-06-23 1979-06-22 Backflow prevention apparatus
GB8216022A Expired GB2101716B (en) 1978-06-23 1979-06-22 Check valve assembly

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8216023A Expired GB2104195B (en) 1978-06-23 1982-06-02 Check valve assembly

Country Status (5)

Country Link
JP (1) JPS5527576A (en)
CA (1) CA1101303A (en)
DE (1) DE2925179A1 (en)
GB (5) GB2102918B (en)
MX (1) MX150564A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5896644A (en) * 1981-12-03 1983-06-08 Mitsubishi Rayon Co Ltd Reinforced resin composition
JPS58125724A (en) * 1982-01-21 1983-07-26 Asahi Chem Ind Co Ltd Resin foam
ATE15822T1 (en) * 1982-01-26 1985-10-15 Socla BACKFLOW PREVENT FOR PRESSURE LINES.
JPS59102947A (en) * 1982-12-02 1984-06-14 Mitsubishi Rayon Co Ltd Methacrylic resin composition
JPS59152855A (en) * 1983-02-22 1984-08-31 旭化成株式会社 Solid multilayer acryl sheet-shaped shape
JPS6086150A (en) * 1983-10-18 1985-05-15 Mitsubishi Rayon Co Ltd Thermoplastic resin composition having excellent heat resistance and impact resistance
GB2179121B (en) * 1985-08-17 1989-08-02 Wigley Albert F Improvements in or relating to fluid control valves
JPH02153962A (en) * 1988-07-04 1990-06-13 Asahi Chem Ind Co Ltd Thermoplastic acrylic resin composition
JP2593557B2 (en) * 1989-07-20 1997-03-26 旭化成工業株式会社 Multi-layer acrylic polymer
US4991622A (en) * 1989-12-19 1991-02-12 Cmb Industries Multiply configurable backflow preventer
DE29605420U1 (en) * 1996-03-23 1996-06-13 Festo Kg, 73734 Esslingen Quick exhaust valve for pneumatic applications
NZ524685A (en) * 2000-09-07 2004-10-29 Cmb Ind Short-length reduced-pressure backflow preventor
JPWO2005095480A1 (en) 2004-03-30 2008-02-21 三菱レイヨン株式会社 Impact modifier and resin composition
JP5401030B2 (en) 2007-11-27 2014-01-29 住友化学株式会社 Extruded resin film and method for producing the same
JP5123654B2 (en) 2007-12-11 2013-01-23 住友化学株式会社 Method for producing extruded resin plate
JP5323349B2 (en) 2007-12-21 2013-10-23 住友化学株式会社 Method for producing extruded resin sheet
JP5189399B2 (en) 2008-04-07 2013-04-24 国立大学法人信州大学 Check valve
JP5189403B2 (en) * 2008-05-08 2013-04-24 国立大学法人信州大学 Backflow prevention device
JP5323546B2 (en) * 2009-03-23 2013-10-23 住友化学株式会社 Matte resin film, decorative film, decorative sheet and decorative molded product using the same
EP2711394A4 (en) 2011-05-10 2014-04-02 Mitsubishi Rayon Co Acrylic resin composition, acrylic resin sheet, acrylic resin laminate, and manufacturing method for same
USD736870S1 (en) * 2013-06-07 2015-08-18 The Pill Golf LLC Flat chamfered golf ball
TWI633147B (en) 2013-11-25 2018-08-21 Kuraray Co., Ltd. Acrylic resin film and manufacturing method thereof
JP7145150B2 (en) 2017-05-16 2022-09-30 株式会社カネカ DOPE FOR FILM MANUFACTURING AND METHOD FOR MANUFACTURING FILM
CN108717963B (en) * 2018-06-01 2024-06-18 宁德时代新能源科技股份有限公司 Valve assembly, cover assembly, secondary battery and battery module
CN111692771B (en) * 2019-03-15 2023-12-19 开利公司 Ejector and refrigeration system
CN113803503B (en) * 2021-09-17 2023-04-18 沈阳工程学院 Right-angle hydraulic control one-way valve for internet of things terminal information acquisition

Also Published As

Publication number Publication date
CA1101303A (en) 1981-05-19
GB2023776B (en) 1983-02-16
MX150564A (en) 1984-05-30
GB2104195B (en) 1983-06-08
GB2023776A (en) 1980-01-03
DE2925179A1 (en) 1980-01-24
GB2102918B (en) 1983-06-08
GB2102918A (en) 1983-02-09
JPS5527576A (en) 1980-02-27
GB2101716A (en) 1983-01-19
GB2108241A (en) 1983-05-11
GB2101716B (en) 1983-05-25
GB2104195A (en) 1983-03-02

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Legal Events

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