Patent ID: 6808136
Filing Date: 2004-10-26
Classification: B01F,B02C

Abstract:
An agitator mill comprising a rotatable axial shaft with a plurality of grinding discs connected generally perpendicular to the shaft, at least one grinding disc having an axially extending pin spaced radially outwardly from the shaft and radially inwardly from a peripheral edge of the disc, which is aligned with a smooth surface on a next adjacent disc, andwherein first, second, third, and fourth axially extending pins are located on the at least one disc, the first and second axially extending pins extend from a first side of the at least one disc, and the third and fourth axially extending pins extend from a second side of the at least one disc, and wherein the first and second axially extending pins are spaced apart radially approximately 180Â°, and the third and fourth axially extending pins are spaced apart radially approximately 180Â°, and are offset from the first and second axially extending pins by approximately 90Â°, and further comprising four elongate arcuate slots, the axially extending pins being located in a radial position between the slots.