GB2192794B - Improvements in gaseous fluid flow valves - Google Patents

Improvements in gaseous fluid flow valves

Info

Publication number
GB2192794B
GB2192794B GB8717294A GB8717294A GB2192794B GB 2192794 B GB2192794 B GB 2192794B GB 8717294 A GB8717294 A GB 8717294A GB 8717294 A GB8717294 A GB 8717294A GB 2192794 B GB2192794 B GB 2192794B
Authority
GB
United Kingdom
Prior art keywords
fluid flow
gaseous fluid
flow valves
valves
gaseous
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
GB8717294A
Other versions
GB2192794A (en
GB8717294D0 (en
Inventor
Michael Briggs
Simon Peter Smith
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.)
Helmets Ltd
Original Assignee
Helmets 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 Helmets Ltd filed Critical Helmets Ltd
Publication of GB8717294D0 publication Critical patent/GB8717294D0/en
Publication of GB2192794A publication Critical patent/GB2192794A/en
Application granted granted Critical
Publication of GB2192794B publication Critical patent/GB2192794B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Lift Valve (AREA)
GB8717294A 1986-07-23 1987-07-22 Improvements in gaseous fluid flow valves Expired - Fee Related GB2192794B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868617950A GB8617950D0 (en) 1986-07-23 1986-07-23 Gaseous fluid flow valves

Publications (3)

Publication Number Publication Date
GB8717294D0 GB8717294D0 (en) 1987-08-26
GB2192794A GB2192794A (en) 1988-01-27
GB2192794B true GB2192794B (en) 1990-05-16

Family

ID=10601543

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868617950A Pending GB8617950D0 (en) 1986-07-23 1986-07-23 Gaseous fluid flow valves
GB8717294A Expired - Fee Related GB2192794B (en) 1986-07-23 1987-07-22 Improvements in gaseous fluid flow valves

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868617950A Pending GB8617950D0 (en) 1986-07-23 1986-07-23 Gaseous fluid flow valves

Country Status (3)

Country Link
EP (1) EP0254548B1 (en)
DE (1) DE3782689T2 (en)
GB (2) GB8617950D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2553535A (en) 2016-09-07 2018-03-14 3M Innovative Properties Co Trigger mechansim for an inhaler

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB602187A (en) * 1944-09-04 1948-05-21 Garrett Corp Oxygen demand pressure breathing regulator
US3575196A (en) * 1969-01-10 1971-04-20 Rocco Anthony Marrese Closed exhaust discharge system for anesthesia machines
US3724482A (en) * 1970-03-05 1973-04-03 Aga Ab Breathing valve
GB1446432A (en) * 1972-06-20 1976-08-18 Dickens T W C Equipment for administering gas to a patient
GB1447091A (en) * 1973-09-13 1976-08-25 Philips Electronic Associated Respiratory systems
GB1604871A (en) * 1978-02-10 1981-12-16 Hesse Ruth Lea Expiration valve
GB2087732A (en) * 1981-11-18 1982-06-03 Chubb Panorama Valves
GB2116852A (en) * 1982-03-20 1983-10-05 Chubb Panorama Gas flow control valves

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2076779A5 (en) * 1970-01-28 1971-10-15 Delverdier Maurice
GB8322263D0 (en) * 1983-08-18 1983-09-21 Automated Process & Control Me Anaesthetic gas scavenging exhaust valve
JPH0649085B2 (en) * 1985-11-15 1994-06-29 ブリティッシュ・テクノロジー・グループ・リミテッド Respiratory protection for dust with self-contained electric fan

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB602187A (en) * 1944-09-04 1948-05-21 Garrett Corp Oxygen demand pressure breathing regulator
US3575196A (en) * 1969-01-10 1971-04-20 Rocco Anthony Marrese Closed exhaust discharge system for anesthesia machines
US3724482A (en) * 1970-03-05 1973-04-03 Aga Ab Breathing valve
GB1446432A (en) * 1972-06-20 1976-08-18 Dickens T W C Equipment for administering gas to a patient
GB1447091A (en) * 1973-09-13 1976-08-25 Philips Electronic Associated Respiratory systems
GB1604871A (en) * 1978-02-10 1981-12-16 Hesse Ruth Lea Expiration valve
GB2087732A (en) * 1981-11-18 1982-06-03 Chubb Panorama Valves
GB2116852A (en) * 1982-03-20 1983-10-05 Chubb Panorama Gas flow control valves

Also Published As

Publication number Publication date
GB2192794A (en) 1988-01-27
GB8617950D0 (en) 1986-08-28
EP0254548A3 (en) 1989-04-26
DE3782689T2 (en) 1993-04-15
EP0254548B1 (en) 1992-11-19
EP0254548A2 (en) 1988-01-27
GB8717294D0 (en) 1987-08-26
DE3782689D1 (en) 1992-12-24

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Legal Events

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

Effective date: 19930722