JPS5234543A - Open and close device for hothouse ventilation window - Google Patents
Open and close device for hothouse ventilation windowInfo
- Publication number
- JPS5234543A JPS5234543A JP11003375A JP11003375A JPS5234543A JP S5234543 A JPS5234543 A JP S5234543A JP 11003375 A JP11003375 A JP 11003375A JP 11003375 A JP11003375 A JP 11003375A JP S5234543 A JPS5234543 A JP S5234543A
- Authority
- JP
- Japan
- Prior art keywords
- hothouse
- open
- ventilation window
- close device
- ventilation
- 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
Landscapes
- Ventilation (AREA)
Abstract
PURPOSE: To provide a hothouse ventilation window whose open-angle opens or closes in accordance with the temperature of the hothouse.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11003375A JPS5234543A (en) | 1975-09-12 | 1975-09-12 | Open and close device for hothouse ventilation window |
GB37416/76A GB1511639A (en) | 1975-09-12 | 1976-09-09 | Greenhouse control system |
US05/721,690 US4078721A (en) | 1975-09-12 | 1976-09-09 | Greenhouse control device |
NL7610076A NL7610076A (en) | 1975-09-12 | 1976-09-10 | DEVICE FOR REGULATING A GREENHOUSE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11003375A JPS5234543A (en) | 1975-09-12 | 1975-09-12 | Open and close device for hothouse ventilation window |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5234543A true JPS5234543A (en) | 1977-03-16 |
Family
ID=14525399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11003375A Pending JPS5234543A (en) | 1975-09-12 | 1975-09-12 | Open and close device for hothouse ventilation window |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5234543A (en) |
-
1975
- 1975-09-12 JP JP11003375A patent/JPS5234543A/en active Pending
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