High temperature heated valve
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United States of America Patent
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Jul 2, 1996
Grant Date -
N/A
app pub date -
May 17, 1994
filing date -
May 17, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
A high temperature heated valve for regulating the flow of molten metal. To maintain the molten metal in its molten state, the valve includes a heater fixedly secured to the valve housing and inserted to a selected heating location at least partially in the flow path of the molten metal. The heater element preferably includes an elongated cartridge assembly extending to a location inside of the valve housing to be proximate to the stopper member when the valve is closed. Preferably, an end portion of the cartridge will extend into a bore defined in the stopper member when the valve is closed. The valve may be incorporated into a molten metal circulation apparatus for facilitating the casting of metal articles.
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