JPH0623301Y2 - 防火ダンパー - Google Patents
防火ダンパーInfo
- Publication number
- JPH0623301Y2 JPH0623301Y2 JP4808888U JP4808888U JPH0623301Y2 JP H0623301 Y2 JPH0623301 Y2 JP H0623301Y2 JP 4808888 U JP4808888 U JP 4808888U JP 4808888 U JP4808888 U JP 4808888U JP H0623301 Y2 JPH0623301 Y2 JP H0623301Y2
- Authority
- JP
- Japan
- Prior art keywords
- duct
- shutter
- hole
- locking
- locking member
- 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 - Lifetime
Links
- 238000007689 inspection Methods 0.000 claims description 29
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 6
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4808888U JPH0623301Y2 (ja) | 1988-04-08 | 1988-04-08 | 防火ダンパー |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4808888U JPH0623301Y2 (ja) | 1988-04-08 | 1988-04-08 | 防火ダンパー |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01152652U JPH01152652U (enrdf_load_stackoverflow) | 1989-10-20 |
| JPH0623301Y2 true JPH0623301Y2 (ja) | 1994-06-22 |
Family
ID=31274256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4808888U Expired - Lifetime JPH0623301Y2 (ja) | 1988-04-08 | 1988-04-08 | 防火ダンパー |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623301Y2 (enrdf_load_stackoverflow) |
-
1988
- 1988-04-08 JP JP4808888U patent/JPH0623301Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01152652U (enrdf_load_stackoverflow) | 1989-10-20 |
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