Patent ID: 6179945
Filing Date: 2001-01-30
Classification: B29B,B29C

Abstract:
A process for filament winding a composite workpiece comprising the steps of:providing a reinforcement pack including roll goods;providing at least one injection die having at least one internal passageway for receiving the reinforcement pack;providing a winding apparatus including a mandrel;passing said reinforcement pack through the internal passageway in said injection die;injecting first and second nonidentical resins into said injection die to impregnate said reinforcement pack with said resins to form an impregnated reinforcement pack, said first resin impregnating a lower portion on of said reinforcement pack and said second resin impregnating an us portion of said reinforcement pack; andwinding said impregnated reinforcement pack about said mandrel so as to form a composite workpiece.