Apparatus for manufacturing expandable polystyrene (EPS) pellets
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United States of America Patent
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Dec 7, 1993
Grant Date -
N/A
app pub date -
May 13, 1992
filing date -
May 13, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for manufacturing expandable polystyrene (EPS) pellets includes a continuous process extruder, a die, a pelletizer and a hot water annealing quencher assembly. The pelletizer cuts strands of EPS material extruded from the extruder and die into uniform EPS pellets. The annealing quencher assembly includes a quencher tank, a water vortex substantially immersed therein for generating a slurry of water and EPS pellets discharged from the pelletizer, a quenching loop, and a slurry pump for pumping the slurry from the water vortex through the quenching loop to thereby anneal the EPS pellets.
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