JPH0228937Y2 - - Google Patents
Info
- Publication number
- JPH0228937Y2 JPH0228937Y2 JP5914183U JP5914183U JPH0228937Y2 JP H0228937 Y2 JPH0228937 Y2 JP H0228937Y2 JP 5914183 U JP5914183 U JP 5914183U JP 5914183 U JP5914183 U JP 5914183U JP H0228937 Y2 JPH0228937 Y2 JP H0228937Y2
- Authority
- JP
- Japan
- Prior art keywords
- damper
- substrate
- board
- ventilation
- fixed
- 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 27
- 239000000758 substrate Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 description 9
- 230000000087 stabilizing effect Effects 0.000 description 6
- 241000238631 Hexapoda Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Duct Arrangements (AREA)
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5914183U JPS59164652U (ja) | 1983-04-19 | 1983-04-19 | 換気装置用防火装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5914183U JPS59164652U (ja) | 1983-04-19 | 1983-04-19 | 換気装置用防火装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59164652U JPS59164652U (ja) | 1984-11-05 |
| JPH0228937Y2 true JPH0228937Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-08-02 |
Family
ID=30189402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5914183U Granted JPS59164652U (ja) | 1983-04-19 | 1983-04-19 | 換気装置用防火装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59164652U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1983
- 1983-04-19 JP JP5914183U patent/JPS59164652U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59164652U (ja) | 1984-11-05 |