Direct roving or single-end continuous roving (Pultrusion Roving, Filament Winding Roving, Weaving Roving) , made directly from Direct Roving Introduction Direct roving or single-end continuous roving (Pultrusion Roving, Filament Winding Roving, Weaving Roving) , made directly from a 2000 tip bushing or a 4000 tip bushing, is primarily used in filament winding and pultrusion processes in ...