Method of and device for controlling the pouring of a melt
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United States of America Patent
Stats
-
Jan 7, 1986
Grant Date -
N/A
app pub date -
Jul 8, 1983
filing date -
Aug 23, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An arrangement for controlling the pouring of a melt out of a crucible with a hole in the bottom which hole is blocked while the material is being melted with a closure plate that melts through locally as the result of heat transferred from the melt. To precisely establish the time at which the closure plate melts through, the plate is cooled from below while the starting material is being melted. Cooling is at least decreased and preferably terminated when it is time to pour out the melt. The plate can be cooled by a flow of a gas coolant directed against it or by contact with a cooling element that is raised into position against it from below.
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