Method and apparatus for supplying a lead alloy to a casting machine
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United States of America Patent
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Jul 3, 1990
Issued Date -
N/A
app pub date -
Jan 25, 1990
filing date -
Apr 18, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A molten lead alloy is supplied from a melting furnace to a casting machine through a feed pipe having a pair of ends connected with the furnace and the machine, respectively, and an intermediate portion situated at a level which is higher than the higher of the two levels of the molten alloy located adjacent to the ends, respectively, of the feed pipe by a distance exceeding the height of a column of the molten alloy which atmospheric pressure can support. An apparatus for supplying the molten alloy in such a way is also disclosed.
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