CA1276504CCA000473805ACA473805ACA1276504CCA 1276504 CCA1276504 CCA 1276504CCA 000473805 ACA000473805 ACA 000473805ACA 473805 ACA473805 ACA 473805ACA 1276504 CCA1276504 CCA 1276504C
Authority
CA
Canada
Prior art keywords
panel
panel frame
glass pane
door
torsion spring
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.)
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.)
Termofrost Sweden AB
Original Assignee
Termofrost Sweden AB
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 Termofrost Sweden ABfiledCriticalTermofrost Sweden AB
Priority to CA000473805ApriorityCriticalpatent/CA1276504C/fr
Application grantedgrantedCritical
Publication of CA1276504CpublicationCriticalpatent/CA1276504C/fr