Plastic article or earthenware shaping or treating: apparatus – With separate and distinct upstream agitating or kneading means – With cutting – severing or comminuting means
Patent
1995-05-26
1997-06-03
Nguyen, Khanh P.
Plastic article or earthenware shaping or treating: apparatus
With separate and distinct upstream agitating or kneading means
With cutting, severing or comminuting means
425456, 425DIG46, 264DIG69, B29B 1702
Patent
active
056352247
ABSTRACT:
An apparatus for recycling previously used agricultural plastic film mulch in which the plastic film mulch is fed by a conveyor along a predetermined path of travel, while being agitated and shaken on the conveyor to dislodge and remove dirt, debris and the like therefrom, shredding the plastic film mulch into discreet pieces in a shredder while removing additional dirt, debris and the like therefrom, conveying the shredded plastic film mulch through a vertical separator along a second, tortuous path of travel, while drying the shredded plastic mulch by heated air and agitating the plastic film mulch by projections extending into the second path of travel to dislodge and remove still further dirt, debris and the like therefrom, and extruding the cleaned and shredded plastic film mulch into a reusable form in an extruder, which melts the plastic film mulch, screens solids from the molten plastic, and extrudes the molten plastic into a reusable form, such as pellets.
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