Device and method for removing impurities from shredded plastic
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United States of America Patent
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Nov 22, 2016
Grant Date -
Feb 12, 2015
app pub date -
Jul 13, 2012
filing date -
Jul 21, 2011
priority date (Note) -
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Abstract
A device for removing impurities from shredded plastic has a first and second cleaning disk with first and second cleaning surfaces, the cleaning surfaces are opposite each other and delimit a cleaning gap. A drive device rotates the cleaning disks, and shredded plastic is fed between the cleaning disks. The cleaning surfaces have a plurality of cleaning ribs extending between an inner and outer edge of the cleaning surfaces, wherein at least one flank of the cleaning ribs is angled or curved relative to the axial direction of the respective cleaning disk, and a plurality of cleaning bars running transversally to the direction of extension of the cleaning ribs are arranged between at least some cleaning ribs neighboring each other.
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