Patent ID: 6740185
Filing Date: 2004-05-25
Classification: B29B,B29C,D04H,Y10T

Abstract:
A method of preparing of preparing a fiber-reinforced composite article for use in a gas turbine engine, comprising the steps of:forming a layer of reinforcing fibers; applying a patterned discontinuous, homogenous liquid coating of adhesive tackifier resin in a predetermined amount to at least one side of the layer of reinforcing fibers to form a tacky ply, wherein a portion of the predetermined amount of the tackifier resin being forced into a number of the fibers; assembling a plurality of the plies to form a preform, the predetermined amount of adhesive tackifier resin being sufficient to maintain the assembled plies in a shape of the preform; placing the preform into a mold; then injecting a second resin in liquid form into the mold to form a continuous matrix of resin between and around the plies of the preform; and curing the preform to form a near net shape article.