Method and apparatus for separating and classifying scrap plastic materials
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United States of America Patent
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Oct 26, 1993
Grant Date -
N/A
app pub date -
Sep 4, 1990
filing date -
Sep 4, 1990
priority date (Note) -
Expired
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Abstract
Classifying and processing post-consumer plastic scrap materials for subsequent utilization. Post-consumer plastic scrap of various kinds, such as colored HDPE, natural HDPE, green PET and clear PET are separating into constituent fractions, and each fraction is separately reduced to flakes. At least some of the fractions are separately washed to remove fragments of labels or other foreign matter previously in place on the plastic bottles or other containers making up those scrap constituents.
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