APPARATUS FOR MELTING METAL AND METHOD FOR MANUFACTURING METAL
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United States of America Patent
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Issued Date -
Sep 10, 2009
app pub date -
Sep 29, 2006
filing date -
Nov 2, 2005
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Abandoned
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Abstract
An apparatus for melting metals comprises a hearth for melting a metal raw material, a mold for forming an ingot by cooling the molten metal therein, the mold having a bottom, and a base unit for pulling down the ingot and provided at the bottom of the mold. The base unit has a surface provided with a concave portion at an optional location, and the surface of the base unit surrounding the concave portion is inclined toward the concave portion.
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