FR48588E - Method and device for signaling exhaustion of gas filters and scrubbers - Google Patents
Method and device for signaling exhaustion of gas filters and scrubbersInfo
- Publication number
- FR48588E FR48588E FR48588DA FR48588E FR 48588 E FR48588 E FR 48588E FR 48588D A FR48588D A FR 48588DA FR 48588 E FR48588 E FR 48588E
- Authority
- FR
- France
- Prior art keywords
- scrubbers
- exhaustion
- signaling
- gas filters
- filters
- 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
- A62B18/088—Devices for indicating filter saturation
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR48588T | 1937-07-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR48588E true FR48588E (en) | 1938-04-05 |
Family
ID=8683900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR48588D Expired FR48588E (en) | 1937-07-02 | 1937-07-02 | Method and device for signaling exhaustion of gas filters and scrubbers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR48588E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0231405A1 (en) * | 1986-01-18 | 1987-08-12 | Honeywell-Elac-Nautik GmbH | Method and device for determining the load of charcoal filters |
-
1937
- 1937-07-02 FR FR48588D patent/FR48588E/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0231405A1 (en) * | 1986-01-18 | 1987-08-12 | Honeywell-Elac-Nautik GmbH | Method and device for determining the load of charcoal filters |
US4807466A (en) * | 1986-01-18 | 1989-02-28 | Honeywell-Elac-Nautik Gmbh | Method and apparatus for determining the charging of charcoal filters |
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