GB2052018B - Non-return valves - Google Patents

Non-return valves

Info

Publication number
GB2052018B
GB2052018B GB8020308A GB8020308A GB2052018B GB 2052018 B GB2052018 B GB 2052018B GB 8020308 A GB8020308 A GB 8020308A GB 8020308 A GB8020308 A GB 8020308A GB 2052018 B GB2052018 B GB 2052018B
Authority
GB
United Kingdom
Prior art keywords
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
GB8020308A
Other versions
GB2052018A (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.)
Chubb Panorama Ltd
Original Assignee
Chubb Panorama 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 Chubb Panorama Ltd filed Critical Chubb Panorama Ltd
Priority to GB8020308A priority Critical patent/GB2052018B/en
Publication of GB2052018A publication Critical patent/GB2052018A/en
Application granted granted Critical
Publication of GB2052018B publication Critical patent/GB2052018B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
GB8020308A 1979-06-21 1980-06-20 Non-return valves Expired GB2052018B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8020308A GB2052018B (en) 1979-06-21 1980-06-20 Non-return valves

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7921697 1979-06-21
GB8020308A GB2052018B (en) 1979-06-21 1980-06-20 Non-return valves

Publications (2)

Publication Number Publication Date
GB2052018A GB2052018A (en) 1981-01-21
GB2052018B true GB2052018B (en) 1983-03-16

Family

ID=26271923

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8020308A Expired GB2052018B (en) 1979-06-21 1980-06-20 Non-return valves

Country Status (1)

Country Link
GB (1) GB2052018B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102160917A (en) * 2010-02-23 2011-08-24 德拉格安全股份两合公司 Directional valve for a respirator product

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4593720A (en) * 1983-12-20 1986-06-10 National Instrument Company, Inc. Filling nozzle valve structure
WO1991001769A1 (en) * 1989-07-31 1991-02-21 Stubbersfield, Beryl, Grace Blood/solution administration sets and components therefor
DE10157815A1 (en) * 2001-11-27 2003-06-26 Knorr Bremse Systeme check valve
GB2478027B (en) * 2010-02-23 2012-06-06 Dra Ger Safety Ag & Co Kgaa Unidirectional valve for a respiratory product

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102160917A (en) * 2010-02-23 2011-08-24 德拉格安全股份两合公司 Directional valve for a respirator product
CN102160917B (en) * 2010-02-23 2013-08-21 德拉格安全股份两合公司 Directional valve for a respirator product

Also Published As

Publication number Publication date
GB2052018A (en) 1981-01-21

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Legal Events

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