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 Cable Ltd
Original Assignee
Hitachi Cable Ltd
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Filing date
Publication date
Application filed by Hitachi Cable LtdfiledCriticalHitachi Cable Ltd
Priority to JP7485177ApriorityCriticalpatent/JPS549116A/en
Publication of JPS549116ApublicationCriticalpatent/JPS549116A/en
PURPOSE: To prevent the occurrence of pinholes in casting by blowing an inert gas or a reductive gas into a molten oxygen-free copper so as to minimize the quantity of hydrogen dissolved therein.
COPYRIGHT: (C)1979,JPO&Japio
JP7485177A1977-06-231977-06-23Method of producing oxgen-free copper
PendingJPS549116A
(en)