Continuous casting method for ingots obtained from titanium or titanium alloy

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United States of America Patent

PATENT NO 10022784
APP PUB NO 20170036265A1
SERIAL NO

15296559

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Abstract

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For continuously casting an ingot of titanium or titanium alloy, molten titanium or titanium alloy is poured into a top opening of a bottomless mold with a circular cross-sectional shape, the solidified molten metal in the mold is pulled downward from the mold, a plurality of plasma torches disposed on an upper side of molten metal in the mold such that their centers are located directly vertically above the molten metal in the mold, are operated to generate plasma arcs that heat the molten metal in the mold, and the plasma torches are moved in a horizontal direction above a melt surface of the molten metal in the mold, along a trajectory located directly vertically above the molten metal in the mold, while keeping a mutual distance between the respective plasma torches such that the plasma torches do not interfere with each other.

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Patent Owner(s)

Patent OwnerAddress
KOBE STEEL LTDJAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kanahashi, Hidetaka Hyogo, JP 14 14
Kurosawa, Eisuke Hyogo, JP 21 10
Nakaoka, Takehiro Hyogo, JP 13 9
Oyama, Hideto Hyogo, JP 29 294
Tsutsumi, Kazuyuki Hyogo, JP 18 13

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