JPH0230409U - - Google Patents
Info
- Publication number
- JPH0230409U JPH0230409U JP10903488U JP10903488U JPH0230409U JP H0230409 U JPH0230409 U JP H0230409U JP 10903488 U JP10903488 U JP 10903488U JP 10903488 U JP10903488 U JP 10903488U JP H0230409 U JPH0230409 U JP H0230409U
- Authority
- JP
- Japan
- Prior art keywords
- support rod
- shielding plate
- ventilation system
- peripheral edge
- edge surface
- 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 10
- 230000002093 peripheral effect Effects 0.000 claims description 8
Landscapes
- Ventilation (AREA)
- Air-Flow Control Members (AREA)
- Building Environments (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988109034U JPH071365Y2 (ja) | 1988-08-22 | 1988-08-22 | 換気装置の逆止弁 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988109034U JPH071365Y2 (ja) | 1988-08-22 | 1988-08-22 | 換気装置の逆止弁 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0230409U true JPH0230409U (xx) | 1990-02-27 |
| JPH071365Y2 JPH071365Y2 (ja) | 1995-01-18 |
Family
ID=31344918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988109034U Expired - Lifetime JPH071365Y2 (ja) | 1988-08-22 | 1988-08-22 | 換気装置の逆止弁 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH071365Y2 (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281139A (ja) * | 1998-03-31 | 1999-10-15 | Matsushita Seiko Co Ltd | 換気装置のシャッター開閉装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61246534A (ja) * | 1985-04-24 | 1986-11-01 | Fukuvi Chem Ind Co Ltd | 床下換気装置 |
-
1988
- 1988-08-22 JP JP1988109034U patent/JPH071365Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61246534A (ja) * | 1985-04-24 | 1986-11-01 | Fukuvi Chem Ind Co Ltd | 床下換気装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281139A (ja) * | 1998-03-31 | 1999-10-15 | Matsushita Seiko Co Ltd | 換気装置のシャッター開閉装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH071365Y2 (ja) | 1995-01-18 |