JPH01106853U - - Google Patents
Info
- Publication number
- JPH01106853U JPH01106853U JP68088U JP68088U JPH01106853U JP H01106853 U JPH01106853 U JP H01106853U JP 68088 U JP68088 U JP 68088U JP 68088 U JP68088 U JP 68088U JP H01106853 U JPH01106853 U JP H01106853U
- Authority
- JP
- Japan
- Prior art keywords
- gate plate
- spring
- attached
- fixed frame
- central axis
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP68088U JPH0649302Y2 (ja) | 1988-01-07 | 1988-01-07 | 防火用排煙装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP68088U JPH0649302Y2 (ja) | 1988-01-07 | 1988-01-07 | 防火用排煙装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01106853U true JPH01106853U (cs) | 1989-07-19 |
| JPH0649302Y2 JPH0649302Y2 (ja) | 1994-12-14 |
Family
ID=31199924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP68088U Expired - Lifetime JPH0649302Y2 (ja) | 1988-01-07 | 1988-01-07 | 防火用排煙装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0649302Y2 (cs) |
-
1988
- 1988-01-07 JP JP68088U patent/JPH0649302Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0649302Y2 (ja) | 1994-12-14 |
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