GB2178964B - Positive pressure demand valves - Google Patents

Positive pressure demand valves

Info

Publication number: GB2178964B
Authority: GB; United Kingdom
Prior art keywords: positive pressure; pressure demand; demand valves; valves; positive
Prior art date: 1985-08-08
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

GB08618426A

Other versions

GB2178964A (en

GB8618426D0 (en

Inventor

Paul Alexander

Ian Victor Maxwell

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.)

1985-08-08

Filing date

1986-07-29

Publication date

1989-02-01

1985-08-08 Priority claimed from GB858519926A external-priority patent/GB8519926D0/en

1986-02-12 Priority claimed from GB868603390A external-priority patent/GB8603390D0/en

1986-07-29 Application filed by Sabre Safety Ltd filed Critical Sabre Safety Ltd

1986-07-29 Priority to GB08618426A priority Critical patent/GB2178964B/en

1986-09-03 Publication of GB8618426D0 publication Critical patent/GB8618426D0/en

1987-02-25 Publication of GB2178964A publication Critical patent/GB2178964A/en

1989-02-01 Application granted granted Critical

1989-02-01 Publication of GB2178964B publication Critical patent/GB2178964B/en

Status Expired legal-status Critical Current

Classifications

- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/02—Valves
- A62B9/022—Breathing demand regulators
- A62B9/025—Breathing demand regulators with tilting opening action

Landscapes

Health & Medical Sciences (AREA)
Pulmonology (AREA)
General Health & Medical Sciences (AREA)
Business, Economics & Management (AREA)
Emergency Management (AREA)
Check Valves (AREA)

GB08618426A 1985-08-08 1986-07-29 Positive pressure demand valves Expired GB2178964B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB08618426A GB2178964B (en)	1985-08-08	1986-07-29	Positive pressure demand valves

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB858519926A GB8519926D0 (en)	1985-08-08	1985-08-08	Valves
GB868603390A GB8603390D0 (en)	1986-02-12	1986-02-12	Valves
GB08618426A GB2178964B (en)	1985-08-08	1986-07-29	Positive pressure demand valves

Publications (3)

Publication Number	Publication Date
GB8618426D0 GB8618426D0 (en)	1986-09-03
GB2178964A GB2178964A (en)	1987-02-25
GB2178964B true GB2178964B (en)	1989-02-01

Family

ID=27262754

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08618426A Expired GB2178964B (en)	1985-08-08	1986-07-29	Positive pressure demand valves

Country Status (1)

Country	Link
GB (1)	GB2178964B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9319580D0 (en) *	1993-09-22	1993-11-10	Racal Health & Safety Ltd	Valves
GB0710048D0 (en) *	2007-05-25	2007-07-04	Concept 2 Manufacture Design O	A Regulator allowing gas mixing on demand
CN111148932B (en) *	2017-10-02	2021-07-02	沃辛顿工业公司	Pressure-reducing inclined nozzle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH378115A (en) *	1962-06-08	1964-05-31	Lucifer Sa	Poppet valve
GB1197897A (en) *	1966-08-26	1970-07-08	Norris Systems Ltd	Improvements in or relating to Fluid Control Valves
DE2604166A1 (en) *	1976-02-04	1977-08-11	Hewlett Packard Gmbh	SAMPLE ENTRY DEVICE FOR LIQUID CHROMATOGRAPHS
PT71254A (en) *	1979-05-21	1980-06-01	Chubb Panorama	Valves
US4337766A (en) *	1980-05-21	1982-07-06	Chubb Panorama Limited	Valves
GB2085306B (en) *	1980-10-17	1984-09-12	Sabre Safety Ltd	Breathing apparatus

1986
- 1986-07-29 GB GB08618426A patent/GB2178964B/en not_active Expired

Also Published As

Publication number	Publication date
GB2178964A (en)	1987-02-25
GB8618426D0 (en)	1986-09-03

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Legal Events

Date	Code	Title	Description
1994-03-30	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930729