GB2222778B - Positive pressure filter respirators - Google Patents

Positive pressure filter respirators

Info

Publication number: GB2222778B
Authority: GB; United Kingdom
Prior art keywords: positive pressure; pressure filter; respirators; filter respirators; positive
Prior art date: 1988-09-19
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

GB8821998A

Other versions

GB8821998D0 (en

GB2222778A (en

Inventor

Keith Simpson

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.)

Sabre Safety Ltd

Original Assignee

Sabre Safety 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.)

1988-09-19

Filing date

1988-09-19

Publication date

1992-06-03

1988-09-19 Application filed by Sabre Safety Ltd filed Critical Sabre Safety Ltd

1988-09-19 Priority to GB8821998A priority Critical patent/GB2222778B/en

1988-10-19 Publication of GB8821998D0 publication Critical patent/GB8821998D0/en

1990-03-21 Publication of GB2222778A publication Critical patent/GB2222778A/en

1992-06-03 Application granted granted Critical

1992-06-03 Publication of GB2222778B publication Critical patent/GB2222778B/en

2008-09-19 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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)

GB8821998A 1988-09-19 1988-09-19 Positive pressure filter respirators Expired - Fee Related GB2222778B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8821998A GB2222778B (en)	1988-09-19	1988-09-19	Positive pressure filter respirators

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8821998A GB2222778B (en)	1988-09-19	1988-09-19	Positive pressure filter respirators

Publications (3)

Publication Number	Publication Date
GB8821998D0 GB8821998D0 (en)	1988-10-19
GB2222778A GB2222778A (en)	1990-03-21
GB2222778B true GB2222778B (en)	1992-06-03

Family

ID=10643875

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8821998A Expired - Fee Related GB2222778B (en)	1988-09-19	1988-09-19	Positive pressure filter respirators

Country Status (1)

Country	Link
GB (1)	GB2222778B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7007690B1 (en) *	2000-08-31	2006-03-07	The United States Of America As Represented By The Secretary Of The Army	Advanced chemical/biological crew mask
AU2003219625A1 (en)	2002-02-04	2003-09-02	Fisher And Paykel Healthcare Limited	Breathing assistance apparatus
US7188622B2 (en) *	2003-06-19	2007-03-13	3M Innovative Properties Company	Filtering face mask that has a resilient seal surface in its exhalation valve
GB0406288D0 (en)	2004-03-19	2004-04-21	Scott Health & Safety Ltd	Respirators
CN109731243A (en) *	2019-03-01	2019-05-10	蔡振宇	Exhalation valve diaphragm and exhalation valve and mask using the diaphragm

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0182550A2 (en) *	1984-11-13	1986-05-28	Avon Industrial Polymers Limited	Valve for respirator

1988
- 1988-09-19 GB GB8821998A patent/GB2222778B/en not_active Expired - Fee Related

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0182550A2 (en) *	1984-11-13	1986-05-28	Avon Industrial Polymers Limited	Valve for respirator

Also Published As

Publication number	Publication date
GB8821998D0 (en)	1988-10-19
GB2222778A (en)	1990-03-21

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Legal Events

Date	Code	Title	Description
1994-05-18	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930919