GB8800846D0 - Exhalation valve - Google Patents

Exhalation valve

Info

Publication number
GB8800846D0
GB8800846D0 GB888800846A GB8800846A GB8800846D0 GB 8800846 D0 GB8800846 D0 GB 8800846D0 GB 888800846 A GB888800846 A GB 888800846A GB 8800846 A GB8800846 A GB 8800846A GB 8800846 D0 GB8800846 D0 GB 8800846D0
Authority
GB
United Kingdom
Prior art keywords
exhalation valve
exhalation
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.)
Pending
Application number
GB888800846A
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.)
CHANGESTART Ltd
Original Assignee
CHANGESTART 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 CHANGESTART Ltd filed Critical CHANGESTART Ltd
Priority to GB888800846A priority Critical patent/GB8800846D0/en
Publication of GB8800846D0 publication Critical patent/GB8800846D0/en
Priority to EP19890100529 priority patent/EP0325959A3/en
Pending legal-status Critical Current

Links

GB888800846A 1988-01-14 1988-01-14 Exhalation valve Pending GB8800846D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB888800846A GB8800846D0 (en) 1988-01-14 1988-01-14 Exhalation valve
EP19890100529 EP0325959A3 (en) 1988-01-14 1989-01-13 Safety helmet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888800846A GB8800846D0 (en) 1988-01-14 1988-01-14 Exhalation valve

Publications (1)

Publication Number Publication Date
GB8800846D0 true GB8800846D0 (en) 1988-02-17

Family

ID=10629986

Family Applications (1)

Application Number Title Priority Date Filing Date
GB888800846A Pending GB8800846D0 (en) 1988-01-14 1988-01-14 Exhalation valve

Country Status (2)

Country Link
EP (1) EP0325959A3 (en)
GB (1) GB8800846D0 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5385141A (en) * 1992-04-16 1995-01-31 Siebe North, Inc. Speech diaphragm and exhalation valve
GB2266669B (en) * 1992-05-05 1996-03-27 Joseph Anthony Griffiths Breathing equipment for aircrew
FI89872C (en) * 1992-09-08 1993-12-10 Alpo Ikonen HJAELM - ANDNINGSSKYDDSKOMBINATION OCH FOERFARANDE FOER ANVAENDNING AV DEN
GB9419144D0 (en) * 1994-09-22 1994-11-09 Sabre Safety Ltd Breathing apparatus
FR2740691B1 (en) * 1995-11-02 1998-01-09 France Etat MODULATOR BACK PRESSURE CARTRIDGE FOR RESPIRATORY MASK
US5724958A (en) * 1996-05-28 1998-03-10 M.E.T.A. Research Inc. Breathing hood
FR2755021B1 (en) * 1996-10-31 1998-11-27 Comasec International NON-RETURN VALVE, RESPIRATORY DEVICE, MASK, HELMET AND PROTECTIVE SCAPHANDER
WO2008118768A1 (en) 2007-03-23 2008-10-02 3M Innovative Properties Company Air delivery apparatus for respirator hood
EP2129443B1 (en) 2007-03-23 2018-01-17 3M Innovative Properties Company Respirator flow control apparatus and method
EP2205324B1 (en) * 2007-10-05 2018-06-20 3M Innovative Properties Company Respirator flow control apparatus and method
PL2537560T3 (en) 2007-11-12 2019-09-30 3M Innovative Properties Company Respirator assembly with air flow direction control
WO2020016839A1 (en) * 2018-07-19 2020-01-23 3M Innovative Properties Company Air processing system and method for manufacturing it, headgear having the same and method of processing air

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB815500A (en) * 1954-03-12 1959-06-24 Eric Hardman Taylor Improvements in pressure helmets
DE124220C (en) *
GB190900038A (en) * 1909-01-01 1909-09-16 James Richard Creswell Improved Respiratory Apparatus for Firemen, Divers and others.
FR2491339A1 (en) * 1980-10-02 1982-04-09 Fenzy Cie Sa Safety helmet for dangerous atmosphere - has automatic device connecting interior to atmosphere on respirable gas supply failure

Also Published As

Publication number Publication date
EP0325959A3 (en) 1990-12-19
EP0325959A2 (en) 1989-08-02

Similar Documents

Publication Publication Date Title
GB2214089B (en) Breathing valve
GB2220362B (en) Respirator
GB2225809B (en) Valve
GB8928721D0 (en) Valve
GB2216293B (en) Valves
GB8819514D0 (en) Resuscitator valve
GB8800846D0 (en) Exhalation valve
GB8816499D0 (en) Valve
GB8806272D0 (en) Two position valve
GB8824608D0 (en) Heart valve
GB8824092D0 (en) Respirator assembly
GB8821874D0 (en) Improved valve
GB2219844B (en) Valve
EP0346527A3 (en) Respirator
GB8806033D0 (en) Valve
GB8803352D0 (en) Valve means
GB8915132D0 (en) Valve unit
GB8824806D0 (en) Respirator
ZA888820B (en) Valve
ZA892825B (en) Valve
ZA881788B (en) Valve
PL272469A1 (en) Venting-aerating valve
HUH3393A (en) Throttling-closing valve
GB8812391D0 (en) Valve
PL272250A1 (en) Pirotechnic valve