SE454136B - Utandningsventilanordning for skyddsmask - Google Patents
Utandningsventilanordning for skyddsmaskInfo
- Publication number
- SE454136B SE454136B SE8602962A SE8602962A SE454136B SE 454136 B SE454136 B SE 454136B SE 8602962 A SE8602962 A SE 8602962A SE 8602962 A SE8602962 A SE 8602962A SE 454136 B SE454136 B SE 454136B
- Authority
- SE
- Sweden
- Prior art keywords
- valve
- valve device
- valve seat
- diaphragm
- exhalation
- Prior art date
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
- A62B18/10—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)
- Check Valves (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8602962A SE454136B (sv) | 1986-07-03 | 1986-07-03 | Utandningsventilanordning for skyddsmask |
NO872761A NO872761L (no) | 1986-07-03 | 1987-07-01 | Utndingsventilanordning for beskyttelsesmaske. |
FI872916A FI872916A (fi) | 1986-07-03 | 1987-07-01 | Utandningsventilanordning foer skyddsmask. |
EP87850216A EP0252891A1 (en) | 1986-07-03 | 1987-07-01 | Exhalation valve device for protective face mask |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8602962A SE454136B (sv) | 1986-07-03 | 1986-07-03 | Utandningsventilanordning for skyddsmask |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8602962D0 SE8602962D0 (sv) | 1986-07-03 |
SE454136B true SE454136B (sv) | 1988-04-11 |
Family
ID=20365012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8602962A SE454136B (sv) | 1986-07-03 | 1986-07-03 | Utandningsventilanordning for skyddsmask |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0252891A1 (fi) |
FI (1) | FI872916A (fi) |
NO (1) | NO872761L (fi) |
SE (1) | SE454136B (fi) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7849856B2 (en) | 2001-06-25 | 2010-12-14 | 3M Innovative Properties Company | Respirator valve |
US6883518B2 (en) | 2001-06-25 | 2005-04-26 | 3M Innovative Properties Company | Unidirectional respirator valve |
US20040040562A1 (en) * | 2002-08-28 | 2004-03-04 | Brunell Robert A. | Mask and spherically configured valve |
DE102010008923B4 (de) * | 2010-02-23 | 2013-09-19 | Dräger Safety AG & Co. KGaA | Richtungsventil für ein Atemschutzprodukt |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1326966A (en) * | 1920-01-06 | Respirator-valve | ||
US1853373A (en) * | 1928-03-15 | 1932-04-12 | Monro Randolph | Respiratory valve |
DE738391C (de) * | 1939-06-21 | 1943-08-13 | Auergesellschaft Ag | Ventil, insbesondere Atemventil fuer Atemschutzgeraete |
GB660095A (en) * | 1945-12-11 | 1951-10-31 | Paul Charbonnel | Improvements in or relating to protecting masks or respirators |
FR2367968A1 (fr) * | 1976-10-12 | 1978-05-12 | Motobecane Ateliers | Clapet d'admission |
-
1986
- 1986-07-03 SE SE8602962A patent/SE454136B/sv not_active IP Right Cessation
-
1987
- 1987-07-01 FI FI872916A patent/FI872916A/fi not_active Application Discontinuation
- 1987-07-01 EP EP87850216A patent/EP0252891A1/en not_active Withdrawn
- 1987-07-01 NO NO872761A patent/NO872761L/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO872761L (no) | 1988-01-04 |
FI872916A0 (fi) | 1987-07-01 |
NO872761D0 (no) | 1987-07-01 |
SE8602962D0 (sv) | 1986-07-03 |
EP0252891A1 (en) | 1988-01-13 |
FI872916A (fi) | 1988-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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