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 Ltd
Original Assignee
Hitachi 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 Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP4965375ApriorityCriticalpatent/JPS5231399A/en
Publication of JPS5231399ApublicationCriticalpatent/JPS5231399A/en
Publication of JPS5759609B2publicationCriticalpatent/JPS5759609B2/ja
PURPOSE: A bushing of being capable of holding airtightness between a flange and an insulating material layer at ultra-low temperature and of having strong mechanical strength.
COPYRIGHT: (C)1977,JPO&Japio
JP4965375A1975-04-251975-04-25Bushing for ultra-low temperature
GrantedJPS5231399A
(en)