Basket media mill with porous containment wall and method

Details Basket media mill with porous containment wall and method Basket media mill with porous containment wall and method

2009-07-13

2010-11-09

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

C241S171000, C241S172000

Reexamination Certificate

active

07828234

ABSTRACT:
The containment wall of a basket media mill 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 extends over an overall area and the porous openings provide an open area through which the feedstock flows as the feedstock passes through the containment wall, and the open area is at least about fifteen percent of the overall area of the containment wall for enabling a concomitant increased volumetric flow of feedstock through the containment wall. A substantially flat sheet of porous synthetic polymeric material having porous openings is formed into a cylindrical configuration to establish a cylindrical containment wall with porous openings each increasing in pore size from the interior of the cylindrical wall toward the exterior of the cylindrical wall.

REFERENCES:
patent: 4752497 (1988-06-01), McConkey et al.
patent: 5184783 (1993-02-01), Hockmeyer et al.
patent: 6029915 (2000-02-01), Inoue

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