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.)
Tokyo Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Original Assignee
Tokyo Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
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 Tokyo Sanyo Electric Co Ltd, Sanyo Electric Co LtdfiledCriticalTokyo Sanyo Electric Co Ltd
Priority to JP1852577ApriorityCriticalpatent/JPS53117855A/en
Publication of JPS53117855ApublicationCriticalpatent/JPS53117855A/en
PURPOSE: To ensure the simplification of production process and the reduction of cost greatly, without requiring inner jigs, which have been used in conventional devices, by injecting and foaming heat insulating materials to a hollow part between both inner and outer boxes to form a foaming heat insulating layer.
COPYRIGHT: (C)1978,JPO&Japio
JP1852577A1977-02-181977-02-18Production of heat insulating box body
PendingJPS53117855A
(en)