Hopper blender system and method for coating fibers

D - Textiles – Paper – 04 – H

Patent

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Details

D04H 1/58 (2006.01) D06B 1/02 (2006.01) D06B 3/02 (2006.01)

Patent

CA 2126240

2126240 9312282 PCTABS00023 A system for coating discontinuous fibers with a liquid coating material uses a hopper/blender (20) which entrains the fiber particles in a toroidal mass of moving fibers. The hopper/blender has an inverted conical section with an agitator assembly (50') rotated therein. The agitator assembly has a base disc with tubular blades projecting outwardly therefrom into the conical section. Aft swept lifter blades relative to the direction of rotation are mounted to the agitator disc. A method of applying a liquid coating material to discontinuous fibers is also disclosed.

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