FR34407E - Masque respiratoire - Google Patents
Masque respiratoireInfo
- Publication number
- FR34407E FR34407E FR34407DA FR34407E FR 34407 E FR34407 E FR 34407E FR 34407D A FR34407D A FR 34407DA FR 34407 E FR34407 E FR 34407E
- Authority
- FR
- France
- Prior art keywords
- respiratory mask
- respiratory
- mask
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/14—Check valves with flexible valve members
- F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR34407T | 1927-09-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR34407E true FR34407E (fr) | 1929-06-18 |
Family
ID=8671982
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR621703D Expired FR621703A (fr) | 1927-09-26 | 1926-01-18 | Masque respiratoire |
FR34407D Expired FR34407E (fr) | 1927-09-26 | 1927-09-26 | Masque respiratoire |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR621703D Expired FR621703A (fr) | 1927-09-26 | 1926-01-18 | Masque respiratoire |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR621703A (fr) |
-
1926
- 1926-01-18 FR FR621703D patent/FR621703A/fr not_active Expired
-
1927
- 1927-09-26 FR FR34407D patent/FR34407E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR621703A (fr) | 1927-05-16 |
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