JPH0122672Y2 - - Google Patents
Info
- Publication number
- JPH0122672Y2 JPH0122672Y2 JP4453183U JP4453183U JPH0122672Y2 JP H0122672 Y2 JPH0122672 Y2 JP H0122672Y2 JP 4453183 U JP4453183 U JP 4453183U JP 4453183 U JP4453183 U JP 4453183U JP H0122672 Y2 JPH0122672 Y2 JP H0122672Y2
- Authority
- JP
- Japan
- Prior art keywords
- damper
- opening
- ventilation cylinder
- ventilation
- shape
- 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
- 238000009423 ventilation Methods 0.000 claims description 20
- 230000002265 prevention Effects 0.000 claims description 5
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4453183U JPS59150463U (ja) | 1983-03-28 | 1983-03-28 | 防火ダンパ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4453183U JPS59150463U (ja) | 1983-03-28 | 1983-03-28 | 防火ダンパ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59150463U JPS59150463U (ja) | 1984-10-08 |
| JPH0122672Y2 true JPH0122672Y2 (en, 2012) | 1989-07-07 |
Family
ID=30175062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4453183U Granted JPS59150463U (ja) | 1983-03-28 | 1983-03-28 | 防火ダンパ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59150463U (en, 2012) |
-
1983
- 1983-03-28 JP JP4453183U patent/JPS59150463U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59150463U (ja) | 1984-10-08 |
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