Method for controlling discharge of steel from a casting ladle
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United States of America Patent
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May 29, 1990
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N/A
app pub date -
Sep 20, 1988
filing date -
May 24, 1984
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Expired
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Abstract
A spout-filling mass for casting ladles has a particulate filling mass for filling the pouring spout which consists essentially of 50 to 70% by weight of chromium ore sand, 0.03 to 0.2% by weight iron oxide and the balance quartz sand intimately mixed together.
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