Method and apparatus for recycling thermoplastic containers

Abstract From the Canadian patent

In general used thermoplastic liquid containers, such as oil and solvent bottles are discarded. When recycling oil bottles, the usual practice is to wash the bottles with a solvent to remove oil therefrom. Washing of the bottles results in large quantities of used, oil-containing solvent which present a disposal problem. A simple solution to the problem of recycling liquid containers with no preliminary washing or cleaning operation includes the steps of tumbling the bottles to promote liquid separation shredding the, bottles into small pieces and draining the liquid therefrom grinding the pieces of plastic to yield a particulate thermoplastic, and mixing the particulate thermoplastic and …