Method and apparatus for semi-solid casting of metals
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United States of America Patent
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-
N/A
Issued Date -
Oct 4, 2001
app pub date -
Jan 25, 2001
filing date -
Jan 26, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An improved method and apparatus for use in semi-solid molding. A hydraulic clamping mechanism producing substantially equal clamping force on the four comers of a moveable platen is utilized to clamp a pair of die halves together to form a die cavity for use in semi-solid molding. In one exemplary embodiment, clamping force is created when a plurality of retractable tie bars affixed to a moving platen are locked to a stationary platen and hydraulic pressure is utilized to tension the tie bars.
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