GB289810A - Improvements in and relating to protective gas-masks - Google Patents
Improvements in and relating to protective gas-masksInfo
- Publication number
- GB289810A GB289810A GB12648/28A GB1264828A GB289810A GB 289810 A GB289810 A GB 289810A GB 12648/28 A GB12648/28 A GB 12648/28A GB 1264828 A GB1264828 A GB 1264828A GB 289810 A GB289810 A GB 289810A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pad
- straps
- head
- drõger
- posterior
- 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
- 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
- A62B18/084—Means for fastening gas-masks to heads or helmets
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
289,810. Drõger, (nÚe Strange), E., (trading as Drõgerwerk, H. & B. Drõger), (Representative of Drõger, A. B.). May 2, 1927, [Convention date]. Respirators.-In harness for gas masks comprising frontal straps which pass through slots m in a head pad i and thence laterally to the sides of the mask, the pad i consists of a piece of leather, preferably of arched form, and is provided with slots m<1>- - m<4> serving as additional guides to the straps g. Where the straps pass between the pad i and the head the pad is weakened or cut away in order to prevent pressure of the straps on the head. The pad i is connected by a strap c with a posterior head pad to which side straps e and a posterior neck strap are also connected. As shown in Fig. 6, the posterior pad d is formed with a hook r integral therewith or secured thereto and adapted to retain the neck strap f in position. The hook r may be formed with an inturned portion s engaging a loop t on the pad.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE289810X | 1927-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB289810A true GB289810A (en) | 1929-01-31 |
Family
ID=6059902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB12648/28A Expired GB289810A (en) | 1927-05-02 | 1928-04-30 | Improvements in and relating to protective gas-masks |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB289810A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6457473B1 (en) | 1997-10-03 | 2002-10-01 | 3M Innovative Properties Company | Drop-down face mask assembly |
| CN104955528A (en) * | 2013-02-01 | 2015-09-30 | 3M创新有限公司 | Harness assembly for respiratory protection device |
-
1928
- 1928-04-30 GB GB12648/28A patent/GB289810A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6457473B1 (en) | 1997-10-03 | 2002-10-01 | 3M Innovative Properties Company | Drop-down face mask assembly |
| CN104955528A (en) * | 2013-02-01 | 2015-09-30 | 3M创新有限公司 | Harness assembly for respiratory protection device |
| CN104955528B (en) * | 2013-02-01 | 2017-09-08 | 3M创新有限公司 | Protective device for respiration belt component |
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