Patent ID: 6893594

Claim:
An extrusion process for forming window and door frame members comprising the steps of: a. extruding a foamed selected profile of polyvinylchloride and wood flour with at least one channel therein, said profile having reduced dimension where a protective shell is desired; b. co-extruding a plastic shell of polyvinylchloride on said profile where the reduced dimension are provided to form a protective shell thereat; c. passing said co-extrusion and plastic shell through a calibration die; d. heating the co-extrusion from the calibration die at selected locations where weather stripping is desired; e. passing said co- extrusion through a final extrusion die where weather stripping elements are extruded at said heated locations whereby an integrated multi-component frame member is formed; and f. cooling the extrusion from the final extrusion die.