Patent ID: 7828234
Filing Date: 2010-11-09
Classification: B02C

Abstract:
1. In a media basket mill having a basket with a containment wall establishing an interior for containing a bed of media of predetermined size within the basket, while feedstock comprised of solids entrained within a liquid vehicle is passed serially through the bed and thence through the containment wall to grind and disperse the solids within the liquid vehicle, an improvement wherein: the containment wall is constructed of a porous synthetic polymeric material having porous openings each of a pore size less than the predetermined size of the media for confining the media within the bed in the basket as feedstock is passed through the porous openings in the containment wall, the containment wall extending over an overall area and the porous openings providing an open area through which the feedstock will flow as the feedstock passes through the containment wall, the open area being at least about fifteen percent of the overall area of the containment wall for enabling a concomitant volumetric flow of feedstock through the containment wall.