CA1119975A - Masques respiratoires portables filtreurs d'air - Google Patents
Masques respiratoires portables filtreurs d'airInfo
- Publication number
- CA1119975A CA1119975A CA000304054A CA304054A CA1119975A CA 1119975 A CA1119975 A CA 1119975A CA 000304054 A CA000304054 A CA 000304054A CA 304054 A CA304054 A CA 304054A CA 1119975 A CA1119975 A CA 1119975A
- Authority
- CA
- Canada
- Prior art keywords
- mask
- filtering device
- air filtering
- portable air
- face
- 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
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
-
- 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
- A62B18/006—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 with pumps for forced ventilation
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80165577A | 1977-05-31 | 1977-05-31 | |
US801,655 | 1977-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1119975A true CA1119975A (fr) | 1982-03-16 |
Family
ID=25181710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000304054A Expired CA1119975A (fr) | 1977-05-31 | 1978-05-25 | Masques respiratoires portables filtreurs d'air |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA1119975A (fr) |
DE (1) | DE2823446A1 (fr) |
GB (1) | GB1588993A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3068194D1 (en) * | 1979-07-28 | 1984-07-19 | Marwin Foundry Units Ltd | Air supply units |
GB2128897A (en) * | 1982-11-01 | 1984-05-10 | Racal Safety Ltd | Powered air supply unit for respirators |
US4522639A (en) * | 1983-04-15 | 1985-06-11 | Figgie International Inc. | Unified filter and connector housing assembly incorporating a diversion valve |
DE3813562C2 (de) * | 1988-04-22 | 1997-11-27 | Hasso Von Bluecher | Aktivkohlefilterschicht für Gasmasken |
DE3843486A1 (de) * | 1988-12-23 | 1990-06-28 | Draegerwerk Ag | Atemschutzgeraet mit geblaeseunterstuetzung und regeneration der atemfilter |
US7819120B2 (en) | 2003-12-30 | 2010-10-26 | 3M Innovative Properties Company | Respiratory component mounting assembly |
US7454800B2 (en) | 2003-12-30 | 2008-11-25 | 3M Innovative Properties Company | Anatomically fitted respiratory component belt |
IT202000004903A1 (it) * | 2020-03-09 | 2021-09-09 | Giancarlo Caputi | Filtro anti-contagio 2 |
-
1978
- 1978-05-25 CA CA000304054A patent/CA1119975A/fr not_active Expired
- 1978-05-29 DE DE19782823446 patent/DE2823446A1/de not_active Withdrawn
- 1978-05-30 GB GB24244/78A patent/GB1588993A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2823446A1 (de) | 1978-12-14 |
GB1588993A (en) | 1981-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |