JPS5234543A - Open and close device for hothouse ventilation window - Google Patents

Open and close device for hothouse ventilation window

Info

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
Application number
JP11003375A
Other languages
Japanese (ja)
Inventor
Seiichi Okuhara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP11003375A priority Critical patent/JPS5234543A/en
Priority to GB37416/76A priority patent/GB1511639A/en
Priority to US05/721,690 priority patent/US4078721A/en
Priority to NL7610076A priority patent/NL7610076A/en
Publication of JPS5234543A publication Critical patent/JPS5234543A/en
Pending legal-status Critical Current

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
JP11003375A 1975-09-12 1975-09-12 Open and close device for hothouse ventilation window Pending JPS5234543A (en)

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)

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