Die casting device
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United States of America Patent
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Dec 29, 1998
Grant Date -
N/A
app pub date -
Jun 24, 1996
filing date -
Sep 11, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
The device includes a cavity defined by a fixed die and a movable die; a plunger disposed in a runner connected to the cavity in such a manner as to be movable to and from a gate of the cavity; a molten metal inlet formed midway in the runner; wherein molten metal supplied from the molten metal inlet in the cavity is pressurized by the advance of the plunger. This die device further includes an auxiliary die unit having a runner and a molten metal inlet connected to the cavity, which is disposed in a border of the fixed die; wherein excessive solidified metal is produced in the vicinity of the molten metal inlet of the auxiliary die unit.
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