D - Textiles – Paper – 21 – D
Patent
D - Textiles, Paper
21
D
D21D 5/06 (2006.01) B01F 9/08 (2006.01)
Patent
CA 2523428
An agitation element adapted for use with other agitation elements on the rollers of a roller screen, having a substantially planar and triangular body with a central opening therethrough for mounting the agitation element onto the roller, the opening being adapted such that the body of the agitation element lies generally perpendicularly with respect to the axis of rotation of the roller when the agitation element is mounted on the roller for operation. Another agitation element has an edge defining a closed perimeter with substantially linear sides, each side being angled with respect to each adjacent side by less than ninety degrees. In particular embodiments, the angle can be as low as approximately sixty degrees. Still another agitation element incorporates a body having an edge defining a closed polygon with adjacent sides that intersect each other at a peak and wherein a maximum distance, measured from the geometric center of the polygon to at least one of the peaks is approximately 1.5-2.25 times greater than a minimum distance, measured from the geometric center of the polygon to the midpoint of one of the sides. In particular embodiments, the ratio can be 1.5-1.75, and in one particular embodiment, the ratio is approximately 1.6.
Acrowood Corporation
Oyen Wiggs Green & Mutala Llp
LandOfFree
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