JPS51121947A - Smoke prevention damper - Google Patents
Smoke prevention damperInfo
- Publication number
- JPS51121947A JPS51121947A JP4619575A JP4619575A JPS51121947A JP S51121947 A JPS51121947 A JP S51121947A JP 4619575 A JP4619575 A JP 4619575A JP 4619575 A JP4619575 A JP 4619575A JP S51121947 A JPS51121947 A JP S51121947A
- Authority
- JP
- Japan
- Prior art keywords
- prevention damper
- smoke prevention
- smoke
- damper
- detected
- 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.)
- Pending
Links
Landscapes
- Air-Flow Control Members (AREA)
Abstract
PURPOSE: To provide a dust prevention damper, which can be smoothly rotated and closed when smoke is detected by a smoke sensor.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4619575A JPS51121947A (en) | 1975-04-16 | 1975-04-16 | Smoke prevention damper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4619575A JPS51121947A (en) | 1975-04-16 | 1975-04-16 | Smoke prevention damper |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51121947A true JPS51121947A (en) | 1976-10-25 |
Family
ID=12740273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4619575A Pending JPS51121947A (en) | 1975-04-16 | 1975-04-16 | Smoke prevention damper |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51121947A (en) |
-
1975
- 1975-04-16 JP JP4619575A patent/JPS51121947A/en active Pending
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