Melt extraction of ceramics
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United States of America Patent
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-
Nov 26, 1991
Grant Date -
N/A
app pub date -
Dec 9, 1988
filing date -
Apr 10, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The pool to be filamented is liquefied by heating in a crucible. A disk having an edge immersed in the molten pool rotates at high velocity and drives the pool outwards in the form of a ribbon which breaks up into pieces forming the required particles. The portion of the pool in contact with the disk is constantly replenished and, owing to the use of heating means, has sufficient fluidity to satisfy the conditions for extraction, the molten pool being continuously moved horizontally with respect to the disk.
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