Method and apparatus for semi-continuous casting of hollow ingots and products resulting therefrom
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United States of America Patent
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Dec 13, 2011
Grant Date -
Sep 30, 2010
app pub date -
Mar 24, 2010
filing date -
Mar 27, 2009
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Abstract
Methods and associated apparatus for semi-continuous casting of hollow ingots are described. In one embodiment a method for the semi-continuous casting of a metallic hollow ingot is provided. The method includes providing a mold that includes a mold center having an inner pipe and an outer pipe arranged to form an annular space for a cooling media and an outer mold, circulating a cooling media in the annular space, feeding a source material to the mold, heating the source material to produce a molten material, moving the mold center progressively downward relative to the outer mold, and solidifying the molten material to form a hollow ingot. Embodiments relating to an apparatus for semi-continuous casting of hollow ingots, and products resulting from the semi-continuous casting of hollow ingots are also described.
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