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United States Patent 5249948
Douris , ê et al. October 5, 1993

Apparatus for the continuous extrusion of solid articles

Koslow October 5, 1993

Abstract

Apparatus for the continuous extrusion of composite solid articles from a substantially uniform mixture of particulate binder material and particulate primary material in which the feed mixture is forced through an extrusion die of substantially uniform cross-section and subject to heat, pressure and cooling which consolidates the feed mixture whereby it emerges from the die as a solid composite article and in which the pressure in the extrusion die is supplied by back-pressuring external of the die.