Methods and apparatus for delaminating sedimentary mica

Details Methods and apparatus for delaminating sedimentary mica Methods and apparatus for delaminating sedimentary mica

1996-06-12

1998-08-25

Husar, John M.

Solid material comminution or disintegration

Processes

Laminated or fibrous mineral material

241 27, 241246, 241247, B02C 1912

Patent

active

057975477

ABSTRACT:
A superior grade of flake mica product may be produced by applying shear forces to sedimentary mica to delaminate it into flakes. Shear forces are applied by rotating a plurality of arcuate blades within a confined cylindrical chamber containing the mica, such that the mica is forced between an outer portion of each blade and the chamber. Each one of the arcuate blades is curved to define an end portion that is spaced from, and substantially concentric with, a portion of the cylindrical chamber.

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