HU182786B - Expiring valve - Google Patents
Expiring valve Download PDFInfo
- Publication number
- HU182786B HU182786B HUME002288A HU182786B HU 182786 B HU182786 B HU 182786B HU ME002288 A HUME002288 A HU ME002288A HU 182786 B HU182786 B HU 182786B
- Authority
- HU
- Hungary
- Prior art keywords
- membrane
- ribs
- valve
- exhalation
- exhalation valve
- Prior art date
Links
- 238000007789 sealing Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 abstract description 16
- 230000000670 limiting effect Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 4
- 210000002159 anterior chamber Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 210000003953 foreskin Anatomy 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002360 prefrontal effect Effects 0.000 description 1
- 210000004129 prosencephalon Anatomy 0.000 description 1
- 239000002341 toxic gas Substances 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)
- Check Valves (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD20706578A DD138036B1 (de) | 1978-08-01 | 1978-08-01 | Ausatemventil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU182786B true HU182786B (en) | 1984-03-28 |
Family
ID=5513862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HUME002288 HU182786B (en) | 1978-08-01 | 1979-07-31 | Expiring valve |
Country Status (6)
| Country | Link |
|---|---|
| CS (1) | CS231554B1 (cs) |
| DD (1) | DD138036B1 (cs) |
| DE (1) | DE2924172A1 (cs) |
| HU (1) | HU182786B (cs) |
| IN (1) | IN152115B (cs) |
| SU (1) | SU1124982A1 (cs) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4414973A (en) * | 1981-03-10 | 1983-11-15 | U.S.D. Corp. | Respirator face mask |
| US4934362A (en) * | 1987-03-26 | 1990-06-19 | Minnesota Mining And Manufacturing Company | Unidirectional fluid valve |
| US4813575A (en) | 1987-09-29 | 1989-03-21 | Amtrol Inc. | Non-refillable valve for pressurized containers |
| IT1216459B (it) * | 1988-02-26 | 1990-03-08 | Ind Pirelli S P A Milano Minis | Maschera protettiva per interventi operativi in ambienti contaminati. |
-
1978
- 1978-08-01 DD DD20706578A patent/DD138036B1/de not_active IP Right Cessation
-
1979
- 1979-06-15 DE DE19792924172 patent/DE2924172A1/de not_active Withdrawn
- 1979-06-27 IN IN660/CAL/79A patent/IN152115B/en unknown
- 1979-07-11 SU SU797770673A patent/SU1124982A1/ru active
- 1979-07-12 CS CS489879A patent/CS231554B1/cs unknown
- 1979-07-31 HU HUME002288 patent/HU182786B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2924172A1 (de) | 1980-02-21 |
| CS231554B1 (en) | 1984-12-14 |
| IN152115B (cs) | 1983-10-22 |
| SU1124982A1 (ru) | 1984-11-23 |
| DD138036B1 (de) | 1980-10-01 |
| DD138036A1 (de) | 1979-10-10 |
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