GB906251A - Improvements in or relating to mask lip seals - Google Patents
Improvements in or relating to mask lip sealsInfo
- Publication number
- GB906251A GB906251A GB3077059A GB3077059A GB906251A GB 906251 A GB906251 A GB 906251A GB 3077059 A GB3077059 A GB 3077059A GB 3077059 A GB3077059 A GB 3077059A GB 906251 A GB906251 A GB 906251A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- edge
- mask
- lip seals
- mask lip
- 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
- A62B18/02—Masks
- A62B18/025—Halfmasks
Abstract
906,251. Respiratory appliances. AVIATION, MINISTER OF. July 28, 1960 [Sept. 9, 1959], No. 30770/59. Class 81 (2). To prevent the inturned edge 20 of a face mask from unrolling, tie members 25 have one end secured adjacent the edge 20 and the other to the main wall 22 of the mask. A flexible substantially inextensible reinforcing cord may be secured at intervals adjacent the edge 20.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3077059A GB906251A (en) | 1959-09-09 | 1959-09-09 | Improvements in or relating to mask lip seals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3077059A GB906251A (en) | 1959-09-09 | 1959-09-09 | Improvements in or relating to mask lip seals |
Publications (1)
Publication Number | Publication Date |
---|---|
GB906251A true GB906251A (en) | 1962-09-19 |
Family
ID=10312871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3077059A Expired GB906251A (en) | 1959-09-09 | 1959-09-09 | Improvements in or relating to mask lip seals |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB906251A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0029885A1 (en) * | 1979-12-01 | 1981-06-10 | Drägerwerk Aktiengesellschaft | Escape filtering apparatus with protective hood |
-
1959
- 1959-09-09 GB GB3077059A patent/GB906251A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0029885A1 (en) * | 1979-12-01 | 1981-06-10 | Drägerwerk Aktiengesellschaft | Escape filtering apparatus with protective hood |
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