GB1351384A - Non-return valves - Google Patents

Non-return valves

Info

Publication number
GB1351384A
GB1351384A GB1351384DA GB1351384A GB 1351384 A GB1351384 A GB 1351384A GB 1351384D A GB1351384D A GB 1351384DA GB 1351384 A GB1351384 A GB 1351384A
Authority
GB
United Kingdom
Prior art keywords
bridge
flap
halves
feb
clamped
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
Other languages
English (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.)
Hawker Siddeley Aviation Ltd
Original Assignee
Hawker Siddeley Aviation 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 Hawker Siddeley Aviation Ltd filed Critical Hawker Siddeley Aviation Ltd
Publication of GB1351384A publication Critical patent/GB1351384A/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
    • F16K15/148—Check valves with flexible valve members the closure elements being fixed in their centre

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Lift Valve (AREA)
GB1351384D 1971-02-12 1971-02-12 Non-return valves Expired GB1351384A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB457171 1971-02-12

Publications (1)

Publication Number Publication Date
GB1351384A true GB1351384A (en) 1974-04-24

Family

ID=9779663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1351384D Expired GB1351384A (en) 1971-02-12 1971-02-12 Non-return valves

Country Status (3)

Country Link
DE (1) DE2206825A1 (OSRAM)
FR (1) FR2126858A5 (OSRAM)
GB (1) GB1351384A (OSRAM)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222407A (en) * 1978-09-13 1980-09-16 Baxter Travenol Laboratories, Inc. One-way flex valve
RU2178853C1 (ru) * 2000-12-13 2002-01-27 Нарбутовских Юрий Павлович Обратный клапан
EP1445521A1 (en) * 2003-02-04 2004-08-11 SCUBAPRO EUROPE S.r.l. Membrane valve and second pressure reducing stage for two-stage regulators for underwater use provided with said valve
RU2250406C2 (ru) * 2001-12-06 2005-04-20 Халаев Григорий Григорьевич Клапан обратный
EP3517808A1 (en) 2018-01-25 2019-07-31 Mares S.p.A. Diaphragm valve and method for manufacturing the same
CN119957484A (zh) * 2023-11-07 2025-05-09 中国石油天然气股份有限公司 一种潜油螺杆泵用单流阀

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3711885A1 (de) * 1987-04-08 1988-10-27 Wahler Gmbh & Co Gustav Ventil, insbesondere thermostatisches ventil

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222407A (en) * 1978-09-13 1980-09-16 Baxter Travenol Laboratories, Inc. One-way flex valve
RU2178853C1 (ru) * 2000-12-13 2002-01-27 Нарбутовских Юрий Павлович Обратный клапан
RU2250406C2 (ru) * 2001-12-06 2005-04-20 Халаев Григорий Григорьевич Клапан обратный
EP1445521A1 (en) * 2003-02-04 2004-08-11 SCUBAPRO EUROPE S.r.l. Membrane valve and second pressure reducing stage for two-stage regulators for underwater use provided with said valve
US7252110B2 (en) 2003-02-04 2007-08-07 Scubapro Europe Srl Membrane valve and second stage pressure reducer for two-stage underwater regulators incorporating said valve
EP3517808A1 (en) 2018-01-25 2019-07-31 Mares S.p.A. Diaphragm valve and method for manufacturing the same
CN119957484A (zh) * 2023-11-07 2025-05-09 中国石油天然气股份有限公司 一种潜油螺杆泵用单流阀

Also Published As

Publication number Publication date
FR2126858A5 (OSRAM) 1972-10-06
DE2206825A1 (de) 1972-08-24

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee