Patent ID: 6139942
Filing Date: 2000-10-31
Classification: B29B,B29K,Y10T

Abstract:
A fiber reinforced resin composite prepared by the process comprising the steps of:(a) enclosing a partially impregnated preform in a resin content control envelope, said partially impregnated preform comprising a fiber layer partially impregnated with a resin, wherein said partially impregnated preform is cross-ply reinforced;(b) enclosing said partially impregnated preform in said resin content control envelope in a vacuum envelope;(c) evacuating said vacuum envelope and said resin content control envelope to withdraw air and other gases from said partially impregnated preform; and(d) heating said partially impregnated preform simultaneously with the evacuation of said vacuum envelope and said resin content control envelope to cause said resin to melt, to fully infuse into said fiber layer and, then, to cure as air and other gases are withdrawn from said fiber layer resulting in the formation of said fiber reinforced resin composite.