Patent ID: 7875220

Claim:
A method for producing a fiber-reinforced composite member with connecting holes, comprising: producing a cured prepreg molding of reinforcing fibers impregnated with a matrix resin using a molding die comprising upper and lower dies, at least one of which has a cavity; and boring said cured prepreg molding to form said connecting holes, using a burnishing drill comprising two or more tapered tip blades, two or more circumferential blades extending continuously from said tip blades to a shank, and chip-discharging grooves extending from said tip blades to said shank, wherein said cured prepreg molding is produced using a molding die comprising upper and lower dies, at least one of which has a cavity; wherein the horizontal portions of said upper and lower dies have aligned holes; and wherein said burnishing drill is inserted into said aligned holes to form connecting holes in said cured prepreg molding held in said cavity.