Patent ID: 8317576
Filing Date: 2012-11-27
Classification: A22C,B02C

Abstract:
1. A machine for segregating relatively soft material and relatively hard material from a mixture of said materials, comprising an open-ended, perforate, tubular conduit as a soft material-passing screen through which the soft material is extruded; a conveying screw within said conduit for advancing the relatively hard material as introduced into said conduit at one open end thereof and for discharging such relatively hard material at the other open end thereof, said screw having a discharge end portion at said other end of the conduit, and said screw having a screw central axis; and mounting structure positioning the conveying screw within the tubular conduit, said mounting structure being adjustable to adjust the position of the screw central axis in the tubular conduit and for rotating the screw central axis in the tubular conduit.