GB285439A - Improvements in breathing apparatus - Google Patents
Improvements in breathing apparatusInfo
- Publication number
- GB285439A GB285439A GB4788/28A GB478828A GB285439A GB 285439 A GB285439 A GB 285439A GB 4788/28 A GB4788/28 A GB 4788/28A GB 478828 A GB478828 A GB 478828A GB 285439 A GB285439 A GB 285439A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cock
- ges
- setting
- bag
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
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)
Abstract
285,439. Deutsche Gasgl³hlicht-Auer- Ges., and Hanseatische Apparatebau Ges. vorm. L. von Bremen & Co. Feb. 16, 1927, [Convention date]. Respiratory apparatus.-In closed circuit respirators comprising an air-purifying cartridge 6, inlet and outlet valves 10, 9, a mouthpiece 11, and a breathing bag 2 supplied with oxygen through a lever controlled valve 4, a three-way cock 12, giving in one setting a communication with the atmosphere, is provided in the position shown or in the pipe 5 connecting the members 6, 2. This permits the use of the apparatus as. an openbreathing appliance to ensure complete collapse of the bag 2 before use, or with the other setting of the cock 12, in the normal way. A valve 13 may be provided on the cock 12.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE285439X | 1927-02-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB285439A true GB285439A (en) | 1928-07-19 |
Family
ID=6057379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4788/28A Expired GB285439A (en) | 1927-02-16 | 1928-02-15 | Improvements in breathing apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB285439A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2201600A (en) * | 1987-02-16 | 1988-09-07 | Siebe Gorman & Co Ltd | Closed-circuit breathing apparatus |
CN102337924A (en) * | 2011-09-01 | 2012-02-01 | 张瞒旺 | Compound type self-rescuer |
-
1928
- 1928-02-15 GB GB4788/28A patent/GB285439A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2201600A (en) * | 1987-02-16 | 1988-09-07 | Siebe Gorman & Co Ltd | Closed-circuit breathing apparatus |
US4960120A (en) * | 1987-02-16 | 1990-10-02 | Siebe Gorman & Company Limited | Breathing apparatus |
EP0302090B1 (en) * | 1987-02-16 | 1991-10-23 | Siebe Gorman & Company Limited | Improvements in and relating to breathing apparatus |
CN102337924A (en) * | 2011-09-01 | 2012-02-01 | 张瞒旺 | Compound type self-rescuer |
CN102337924B (en) * | 2011-09-01 | 2013-04-17 | 山西瑞石防护技术有限公司 | Compound type self-rescuer |
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