CH448758A - Closure device for ventilation channels in particular underground protective structures, such as bunkers, air shelters or the like. - Google Patents
Closure device for ventilation channels in particular underground protective structures, such as bunkers, air shelters or the like.Info
- Publication number
- CH448758A CH448758A CH752666A CH752666A CH448758A CH 448758 A CH448758 A CH 448758A CH 752666 A CH752666 A CH 752666A CH 752666 A CH752666 A CH 752666A CH 448758 A CH448758 A CH 448758A
- Authority
- CH
- Switzerland
- Prior art keywords
- bunkers
- closure device
- ventilation channels
- protective structures
- particular underground
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B13/00—Special devices for ventilating gasproof shelters
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Measurement Of Radiation (AREA)
- Air-Flow Control Members (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB82684A DE1257019B (en) | 1965-07-05 | 1965-07-05 | Closure device for ventilation ducts of protective structures |
Publications (1)
Publication Number | Publication Date |
---|---|
CH448758A true CH448758A (en) | 1967-12-15 |
Family
ID=6981607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH752666A CH448758A (en) | 1965-07-05 | 1966-05-25 | Closure device for ventilation channels in particular underground protective structures, such as bunkers, air shelters or the like. |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT257882B (en) |
CH (1) | CH448758A (en) |
DE (1) | DE1257019B (en) |
GB (1) | GB1152581A (en) |
SE (1) | SE321618B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3134019C2 (en) * | 1981-08-28 | 1984-05-30 | Brown Boveri Reaktor GmbH, 6800 Mannheim | Device for mixing the atmosphere enclosed in the rooms arranged within a containment of a nuclear reactor plant |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3064552A (en) * | 1960-01-08 | 1962-11-20 | American Mach & Foundry | Blast actuated closures |
GB945782A (en) * | 1961-07-03 | 1964-01-08 | Margot Von Linsingen | Self-closing cover plate for air shafts or emergency exits of shelters, particularlyunderground shelters |
-
1965
- 1965-07-05 DE DEB82684A patent/DE1257019B/en active Pending
-
1966
- 1966-04-25 AT AT389866A patent/AT257882B/en active
- 1966-05-02 SE SE599066A patent/SE321618B/xx unknown
- 1966-05-25 CH CH752666A patent/CH448758A/en unknown
- 1966-05-25 GB GB2332566A patent/GB1152581A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1152581A (en) | 1969-05-21 |
SE321618B (en) | 1970-03-09 |
AT257882B (en) | 1967-10-25 |
DE1257019B (en) | 1967-12-21 |
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