BE426573A - - Google Patents
Info
- Publication number
- BE426573A BE426573A BE426573DA BE426573A BE 426573 A BE426573 A BE 426573A BE 426573D A BE426573D A BE 426573DA BE 426573 A BE426573 A BE 426573A
- Authority
- BE
- Belgium
- Prior art keywords
- hood
- inspiration
- comes
- threading
- tube
- Prior art date
Links
- 238000002788 crimping Methods 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
- 238000004140 cleaning Methods 0.000 claims 1
- 230000003434 inspiratory effect Effects 0.000 claims 1
- 230000000241 respiratory effect Effects 0.000 claims 1
- 230000029058 respiratory gaseous exchange Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- A62B18/10—Valves
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE426573T | 1938-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426573A true BE426573A (2) | 1938-03-31 |
Family
ID=87337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426573D BE426573A (2) | 1938-02-23 | 1938-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE426573A (2) |
-
1938
- 1938-02-23 BE BE426573D patent/BE426573A/fr unknown
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