JPS5295865A - Device for opening and closing wind pressure type shutter for ventilat ion fans - Google Patents
Device for opening and closing wind pressure type shutter for ventilat ion fansInfo
- Publication number
- JPS5295865A JPS5295865A JP1366676A JP1366676A JPS5295865A JP S5295865 A JPS5295865 A JP S5295865A JP 1366676 A JP1366676 A JP 1366676A JP 1366676 A JP1366676 A JP 1366676A JP S5295865 A JPS5295865 A JP S5295865A
- Authority
- JP
- Japan
- Prior art keywords
- opening
- pressure type
- wind pressure
- ventilat
- type shutter
- 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.)
- Pending
Links
Abstract
PURPOSE: To provide a device for opening and closing wind pressure type shutters which permits removing the flapping of a shutter occurring due to the difference between the pressures inside and outside a room when the shutter is stopped.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1366676A JPS5295865A (en) | 1976-02-09 | 1976-02-09 | Device for opening and closing wind pressure type shutter for ventilat ion fans |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1366676A JPS5295865A (en) | 1976-02-09 | 1976-02-09 | Device for opening and closing wind pressure type shutter for ventilat ion fans |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5295865A true JPS5295865A (en) | 1977-08-11 |
Family
ID=11839510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1366676A Pending JPS5295865A (en) | 1976-02-09 | 1976-02-09 | Device for opening and closing wind pressure type shutter for ventilat ion fans |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5295865A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01151142U (en) * | 1988-04-09 | 1989-10-18 | ||
JP2011080650A (en) * | 2009-10-05 | 2011-04-21 | Fulta Electric Machinery Co Ltd | Highly airtight shutter |
-
1976
- 1976-02-09 JP JP1366676A patent/JPS5295865A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01151142U (en) * | 1988-04-09 | 1989-10-18 | ||
JP2011080650A (en) * | 2009-10-05 | 2011-04-21 | Fulta Electric Machinery Co Ltd | Highly airtight shutter |
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