Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Patent
1991-07-08
1994-03-01
Eley, Timothy V.
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
241 64, 241 791, 241247, 241DIG38, B02C 1310
Patent
active
052899780
ABSTRACT:
This apparatus is a continuous processing device designed to remove labels and similar contaminants from granulated material prior to its reclamation into a manufactured product. The apparatus is particularly suited to the removal of adhesive backed product labels affixed to plastic base materials subsequent to granulation of the intact plastic item. This allows reprocessing of label-contaminated plastic containers into plastic pellets with greater economy and a higher purity of the end product. The need for this process is particularly acute with blow molded plastic containers which have paper or plastic labels affixed to large areas of their surface. Because this apparatus is continuous in operation, it can be placed in line with other automatic processing equipment such as granulators, washers, classifiers, and extruders. The success of this apparatus results from a combination of physical and thermal forces generated within the equipment which remove the adhesive from the plastic base. A further air classification process removes the waste fiber or adhesive products from the salvageable granulated material.
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Eley Timothy V.
Husar John M.
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