JPH01126262U - - Google Patents
Info
- Publication number
- JPH01126262U JPH01126262U JP2121288U JP2121288U JPH01126262U JP H01126262 U JPH01126262 U JP H01126262U JP 2121288 U JP2121288 U JP 2121288U JP 2121288 U JP2121288 U JP 2121288U JP H01126262 U JPH01126262 U JP H01126262U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- damper
- auxiliary cylinder
- auxiliary
- inner cylinder
- 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
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims 1
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2121288U JPH061710Y2 (ja) | 1988-02-22 | 1988-02-22 | 防火ダンパ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2121288U JPH061710Y2 (ja) | 1988-02-22 | 1988-02-22 | 防火ダンパ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01126262U true JPH01126262U (fr) | 1989-08-29 |
| JPH061710Y2 JPH061710Y2 (ja) | 1994-01-19 |
Family
ID=31238244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2121288U Expired - Lifetime JPH061710Y2 (ja) | 1988-02-22 | 1988-02-22 | 防火ダンパ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH061710Y2 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001141296A (ja) * | 1999-11-12 | 2001-05-25 | Kurimoto Ltd | 二層管用ベント構造 |
-
1988
- 1988-02-22 JP JP2121288U patent/JPH061710Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001141296A (ja) * | 1999-11-12 | 2001-05-25 | Kurimoto Ltd | 二層管用ベント構造 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH061710Y2 (ja) | 1994-01-19 |