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.)
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Hitachi Heating Appliances Co Ltd
Hitachi Netsu Kigu KK
Original Assignee
Hitachi Heating Appliances Co Ltd
Hitachi Netsu Kigu KK
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Filing date
Publication date
Application filed by Hitachi Heating Appliances Co Ltd, Hitachi Netsu Kigu KKfiledCriticalHitachi Heating Appliances Co Ltd
Priority to JP14313076ApriorityCriticalpatent/JPS5367134A/en
Publication of JPS5367134ApublicationCriticalpatent/JPS5367134A/en
PURPOSE: To prevent a metallic tube which is placed in a wave labyrinth formed to a door for prohibiting wave leakage from deplacing or coming off the position, by adding a device for tightly holding the tube.