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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel CorpfiledCriticalNippon Steel Corp
Priority to JP7734280ApriorityCriticalpatent/JPS574366A/ja
Publication of JPS574366ApublicationCriticalpatent/JPS574366A/ja
Способ предупреждени всплывани верхней полуформы при заливке жидким металлом и затвердевании отливок в лини х парной безопочной формовки и устройство дл его осуществлени