Melt supply pipe for aluminum die casting
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United States of America Patent
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Dec 18, 2012
Grant Date -
Jun 28, 2007
app pub date -
Dec 1, 2006
filing date -
Dec 2, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
There is provided a melt supply pipe for aluminum die casting which is strong to mechanical impact and is excellent in the melting loss resistance to a molten aluminum alloy and which has a significantly extended life. The melt supply pipe for connecting a melting furnace and a plunger sleeve of a die casting machine, includes an inner ceramic pipe and an outer steel pipe fitted to the inner pipe, wherein a Ni alloy layer is formed over the inner circumferential surface of the outer steel pipe, and TiC particles are bonded to the surface of the Ni alloy layer.
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