Tundishes
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United States of America Patent
Stats
-
Jun 14, 1988
Grant Date -
N/A
app pub date -
Mar 1, 1985
filing date -
Mar 16, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tundish for continuous casting of molten metal having an outer metal casing and, adjacent the casing, a permanent refractory lining is provided with an inner, expendable lining comprising refractory, heat-insulating slabs having an erosion resistant backing layer and an inward facing layer of lower density than that of the backing layer. The density of the facing layer is at least 0.2 g/cm.sup.3 but not more than 85% of the density of the backing layer. The presence of the inward facing layer exerts less chilling effect on the molten metal poured into the tundish than if the slab consisted of the backing layer alone.
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