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.)
Hitachi Heating Appliances Co Ltd
Hitachi Netsu Kigu KK
Original Assignee
Hitachi Heating Appliances Co Ltd
Hitachi Netsu Kigu KK
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 Hitachi Heating Appliances Co Ltd, Hitachi Netsu Kigu KKfiledCriticalHitachi Heating Appliances Co Ltd
Priority to JP14313376ApriorityCriticalpatent/JPS5367137A/en
Publication of JPS5367137ApublicationCriticalpatent/JPS5367137A/en
PURPOSE: In a radio-wave leakage protection system comprising a metallic cylinder placed in a wave labyrinth formed in a door, to prevent the cylinder from displacing or slipping off by fixing it with fixer means.