GB372246A - Improvements in or relating to self-contained breathing appliances - Google Patents
Improvements in or relating to self-contained breathing appliancesInfo
- Publication number
- GB372246A GB372246A GB33200/31A GB3320031A GB372246A GB 372246 A GB372246 A GB 372246A GB 33200/31 A GB33200/31 A GB 33200/31A GB 3320031 A GB3320031 A GB 3320031A GB 372246 A GB372246 A GB 372246A
- Authority
- GB
- United Kingdom
- Prior art keywords
- guard
- secured
- flange
- pipe
- bag
- 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
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/04—Couplings; Supporting frames
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)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
372,246. Respiratory appliances. DAVIS, R. H. and DAVIS, R. W. G., 187, Westminster Bridge Road, London. Nov. 30, 1931, No. 33200. [Class 81 (ii).] In self-contained d breathing appliances of the kind wherein the parts, such as the absorbent canister 2, the breathing bag 1, and the oxygen cylinder 7 are carried on the wearer's back and covered at the back and also on the sides by a solid guard or a frame 11, the parts are all mounted on the guard and are spaced from the small of the back to avoid inconvenience in stooping. As shown, the oxygen cylinder 7 is held by a metal strap 14, secured to a lug on the guard by a bolt and fly-nut ; the canister 2 is attached to an upper flange 12 on the guard by the exhaling pipe 4 which passes through the flange and is secured thereto by nuts 15 ; and the breathing-bag is supported by brackets 16 on the guard and by rigid pipes 5, 6 connecting the bag with the canister and the inhalation pipe respectively, the pipe 6 being secured to the flange 12 in the same manner as the pipe 4. The guard is supported at the back by straps 13, secured to the flange 12 and to the lower corners of the guard, and passing over the shoulders and under the arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB33200/31A GB372246A (en) | 1931-11-30 | 1931-11-30 | Improvements in or relating to self-contained breathing appliances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB33200/31A GB372246A (en) | 1931-11-30 | 1931-11-30 | Improvements in or relating to self-contained breathing appliances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB372246A true GB372246A (en) | 1932-05-05 |
Family
ID=10349868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33200/31A Expired GB372246A (en) | 1931-11-30 | 1931-11-30 | Improvements in or relating to self-contained breathing appliances |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB372246A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3390676A (en) * | 1962-09-21 | 1968-07-02 | Drager Otto H | Protective breathing apparatus with regeneration of exhaled air |
-
1931
- 1931-11-30 GB GB33200/31A patent/GB372246A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3390676A (en) * | 1962-09-21 | 1968-07-02 | Drager Otto H | Protective breathing apparatus with regeneration of exhaled air |
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