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.)
Expired
Application number
GB28914/35A
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.)
Scovill Inc
Original Assignee
Scovill Inc
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 Scovill IncfiledCriticalScovill Inc
Publication of GB457565ApublicationCriticalpatent/GB457565A/en
B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
B22D37/00—Controlling or regulating the pouring of molten metal from a casting melt-holding vessel
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Manufacture And Refinement Of Metals
(AREA)
Treatment Of Steel In Its Molten State
(AREA)
Abstract
In casting metals as described in the parent Specification the molten metal is protected by nitrogen containing over 10, preferably 20, per cent of carbon monoxide, under 15, preferably 5, per cent of carbon dioxide, and substantially free from hydrogen and water vapour.
GB28914/35A1934-10-261935-10-19Improvement in process of refining metals
ExpiredGB457565A
(en)