Patent ID: 6409952
Filing Date: 2002-06-25
Classification: B27N,B29C,B29K,F26B

Abstract:
A process for drying and extruding a cellulosic compound comprised of predetermined materials, said process comprising:providing said predetermined materials in a desired ratio, said predetermined materials including at least one thermoplastic material and a cellulosic material; dry mixing said predetermined materials at a first location; transferring said mixed predetermined materials to a dryer having a surface area enabling said mixed predetermined materials to be spread out over a wide surface area for drying, said dryer being at a second location remote from said first location; substantially uniformly drying said mixed predetermined materials to a desired moisture level; feeding said dried predetermined materials from said dryer to an extruder; and extruding said dried predetermined materials such that said at least one thermoplastic material is melt blended with said cellulosic material and forced through a shaping device to obtain a final shape.