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 JP24395385ApriorityCriticalpatent/JPS62104704A/ja
Priority to US06/883,759prioritypatent/US4883621A/en
Priority to DE8686305366Tprioritypatent/DE3681362D1/de
Priority to EP86305366Aprioritypatent/EP0210027B1/en
Publication of JPS62104704ApublicationCriticalpatent/JPS62104704A/ja
Publication of JPH0464281B2publicationCriticalpatent/JPH0464281B2/ja
Mold core for investment casting, process for preparing the same and process for preparing mold for investment casting having therewithin said mold core