Patent ID: 7100760
Filing Date: 2006-09-05
Classification: B01F,C09K

Abstract:
1. An apparatus for applying a liquid coating to a deicer composition, the apparatus comprising: a source of uncoated deicer; a source of a liquid coating composition; a screw conveyor having, at least one screw with a plurality of flights, an inlet end for uncoated deicer, an outlet end of deicer coated with the liquid coating composition, and a housing substantially surrounding at least a portion of the screw; wherein the screw contains a major surface and a plurality of raised portions extending upward from the major surface; and wherein the screw conveyor is configured such that deicer and liquid coating composition are introduced at the inlet end of the screw conveyor and are intermixed along the length of the screw conveyor and output as an intermixed product.