Patent ID: 6641693
Filing Date: 2003-11-04
Classification: B29C,B32B,C04B

Abstract:
A process for producing developable structural parts made from fibrous composites, which comprises:applying at least two layers of a resin-impregnated fabric and at least two layers made from resin-saturated or resin-free wound threads, yarns, ravings or ribbons onto a shaping temporary mandrel winding each layer of thread, yarns, ravings, or ribbons with a greater thread tension than a previously wound layer of threads, yarns, ravings or ribbons, to form a structural part having an outer ply formed of the wound threads, yarns, ravings or ribbons; and treating the structural part by a step selected from the group consisting of curing; curing and carbonizing; and curing, carbonizing and graphitizing, after the winding step.