Patent ID: 6261496
Filing Date: 2001-07-17
Classification: B22F,B29C,C04B

Abstract:
A method for continuously forming a molding feedstock composition comprising the steps of:a) delivering to a twin screw extruder:1) powder containing at least one member selected from the group consisting of pure metals, alloys, intermetallic compounds, oxides, borides, nitrides, silicides and carbides of metals, nonmetals, or mixtures thereof, and mixtures of such materials;2) a binder; and3) a liquid carrier;b) compounding the ingredients in the extruder at a temperature sufficient to produce a homogeneous feedstock composition comprising the powder, binder and liquid carrier;c) forcing the homogeneous compounded mixture through a die containing an opening to produce a continuous strand of the composition; andd) cutting the extruded strand into pellets.