JPH0413545Y2 - - Google Patents
Info
- Publication number
- JPH0413545Y2 JPH0413545Y2 JP1986148046U JP14804686U JPH0413545Y2 JP H0413545 Y2 JPH0413545 Y2 JP H0413545Y2 JP 1986148046 U JP1986148046 U JP 1986148046U JP 14804686 U JP14804686 U JP 14804686U JP H0413545 Y2 JPH0413545 Y2 JP H0413545Y2
- Authority
- JP
- Japan
- Prior art keywords
- outer frame
- fire damper
- opening
- lid
- ceiling
- 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 34
- 239000000463 material Substances 0.000 description 8
- 239000000155 melt Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
Landscapes
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986148046U JPH0413545Y2 (en18) | 1986-09-26 | 1986-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986148046U JPH0413545Y2 (en18) | 1986-09-26 | 1986-09-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62122244U JPS62122244U (en18) | 1987-08-03 |
| JPH0413545Y2 true JPH0413545Y2 (en18) | 1992-03-30 |
Family
ID=31061960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986148046U Expired JPH0413545Y2 (en18) | 1986-09-26 | 1986-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413545Y2 (en18) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54128344U (en18) * | 1978-02-27 | 1979-09-06 | ||
| JPS5881440U (ja) * | 1981-11-27 | 1983-06-02 | 株式会社 協立 | 排煙口 |
-
1986
- 1986-09-26 JP JP1986148046U patent/JPH0413545Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62122244U (en18) | 1987-08-03 |
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