Patent ID: 6375881
Filing Date: 2002-04-23
Classification: B29C,B29K,C08J

Abstract:
A process for the preparation of a plastic material for molding, comprising:shortening a plurality of fibers to a length of less than 30 mm; introducing the fibers and a plastic in particulate form, separately from one another, into a mixing chamber of a die press; thoroughly mixing the plastic and the fibers to form a solids mixture; transporting the solids mixture through a die of the die press having die orifices; heating the solids mixture before or during the transporting through the die orifices, wherein the plastic of the solids mixture is at least partly plastified and/or at least partly softened by the heating; enclosing or embedding at least part of the fibers in the plastic during or after the heating and before emerging from the die orifices; and comminuting or granulating the material from the die to form the plastic material for molding.