Importance

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Abstract

Apparatus for selectively sorting pulp wood chips in accordance with a predetermined maximum thickness includes a plurality of disk members disposed in a plurality of separately rotatable rows, with each row having a plurality of the members disposed in spaced parallel vertical planes, and with members in adjacent rows intermeshing with equal spaces therebetween. Each disk member has a radially contoured outer periphery with the depth of the contour being sufficiently shallow to prevent chips of thickness greater than the predetermined maximum from passing between its outer peripheral edge and an opposing spacer mounted between disk members on an adjacent row. All the rows of disk members are driven in the same direction, but adjacent disks are preferably driven at different peripheral speeds.

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First Claim