Apparatus for the treatment of plastic materials
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United States of America Patent
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-
Jan 23, 2001
Grant Date -
N/A
app pub date -
Nov 4, 1998
filing date -
Aug 30, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Expanded or foamed plastic material is fed into a hopper containing a first auger having a cutting function. The first auger is driven by an electric motor and cuts the plastic material into pieces which are discharged from the hopper into a vertical chamber. The vertical chamber contains a second auger driven by an electric motor. The pieces of plastic material are compressed by the second auger and delivered into a chamber which serves as the inlet end of a horizontal friction chute. The plastic material in the chamber is compressed by a hydraulic ram which forces the compressed plastic material along the friction chute.
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