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GB2304176B - Uni-directional fluid valve - Google Patents

Uni-directional fluid valve

Info

Publication number
GB2304176B
GB2304176B GB9614843A GB9614843A GB2304176B GB 2304176 B GB2304176 B GB 2304176B GB 9614843 A GB9614843 A GB 9614843A GB 9614843 A GB9614843 A GB 9614843A GB 2304176 B GB2304176 B GB 2304176B
Authority
GB
United Kingdom
Prior art keywords
uni
fluid valve
directional fluid
directional
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 - Fee Related
Application number
GB9614843A
Other versions
GB9614843D0 (en
GB2304176A (en
Inventor
John Lawrence Bowers
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.)
Racal Health and Safety Ltd
3M Co
Original Assignee
Racal Health and Safety Ltd
Minnesota Mining and Manufacturing Co
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 GB9515986A external-priority patent/GB9515986D0/en
Application filed by Racal Health and Safety Ltd, Minnesota Mining and Manufacturing Co filed Critical Racal Health and Safety Ltd
Priority to GB9614843A priority Critical patent/GB2304176B/en
Publication of GB9614843D0 publication Critical patent/GB9614843D0/en
Publication of GB2304176A publication Critical patent/GB2304176A/en
Application granted granted Critical
Publication of GB2304176B publication Critical patent/GB2304176B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/10—Valves

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Mechanical Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
GB9614843A 1995-08-04 1996-07-15 Uni-directional fluid valve Expired - Fee Related GB2304176B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9614843A GB2304176B (en) 1995-08-04 1996-07-15 Uni-directional fluid valve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9515986A GB9515986D0 (en) 1995-08-04 1995-08-04 Uni-directional fluid valve
GB9614843A GB2304176B (en) 1995-08-04 1996-07-15 Uni-directional fluid valve

Publications (3)

Publication Number Publication Date
GB9614843D0 GB9614843D0 (en) 1996-09-04
GB2304176A GB2304176A (en) 1997-03-12
GB2304176B true GB2304176B (en) 1999-08-18

Family

ID=26307515

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9614843A Expired - Fee Related GB2304176B (en) 1995-08-04 1996-07-15 Uni-directional fluid valve

Country Status (1)

Country Link
GB (1) GB2304176B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109715252A (en) * 2016-09-16 2019-05-03 3M创新有限公司 Outlet valve and respirator including outlet valve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9016070B2 (en) 2012-09-14 2015-04-28 Whirlpool Corporation Phase change materials for refrigeration and ice making

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993024181A1 (en) * 1992-05-29 1993-12-09 Minnesota Mining And Manufacturing Company Unidirectional fluid valve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993024181A1 (en) * 1992-05-29 1993-12-09 Minnesota Mining And Manufacturing Company Unidirectional fluid valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109715252A (en) * 2016-09-16 2019-05-03 3M创新有限公司 Outlet valve and respirator including outlet valve
CN109715252B (en) * 2016-09-16 2021-10-19 3M创新有限公司 Exhalation valve and respirator comprising same

Also Published As

Publication number Publication date
GB9614843D0 (en) 1996-09-04
GB2304176A (en) 1997-03-12

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140715