METHOD AND APPARATUS FOR REDUCING BUBBLES OR GAS POCKETS IN A METAL INGOT USING A CONTINUOUS CASTING MOLD
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United States of America Patent
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Issued Date -
Nov 6, 2014
app pub date -
May 2, 2013
filing date -
May 2, 2013
priority date (Note) -
Abandoned
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Abstract
A method and apparatus are provided to cast a metal ingot using a continuous casting mold so that the ingot is essentially free of gas pockets which otherwise would result from gas bubbles being entrapped in the mushy zone and solid portion of the ingot during formation, wherein such bubbles may be caused by pouring molten metal into a molten liquid portion of the forming ingot and by impingement of a plasma plume of a plasma torch on the upper surface of the molten liquid portion.
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