SMELTING LADLE AND METHOD FOR IMPROVING USE EFFICIENCY THEREOF
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United States of America Patent
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Issued Date -
Sep 27, 2018
app pub date -
May 28, 2018
filing date -
May 28, 2018
priority date (Note) -
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Abstract
A smelting ladle includes a housing, a circulating working layer, a consumable working layer, and a permanent layer. The permanent layer is masoned or casted on an inner wall of the housing, the circulating working layer is casted on an inner wall of the permanent layer, and the consumable working layer is masoned on an inner wall of the circulating working layer.
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