Patent ID: 6612938
Filing Date: 2003-09-02
Classification: A63B,B29C,B29L

Abstract:
A composite golf club head comprising:a face component composed of a plurality of pre-preg plies having fibers, the plurality of pre-preg plies ranging from 20 to 70 plies, the face component having a striking plate portion and a return portion, the striking plate portion having a thickness in the range of 0.010 inch to 0.250 inch, and the return portion tapering in thickness rearward from a perimeter of the striking plate portion; a crown composed of a plurality of pre-preg plies ranging from 3 to 20 plies, the crown attached to the face component; a sole composed of a plurality of pre-preg plies ranging from 3 to 20 plies, the sole having a ribbon portion and a bottom portion, the bottomn portion of the sole attached to the return portion of the face component and the ribbon portion of the sole attached to the crown, the ribbon portion having an upper portion approximately perpendicular to the crown and a lower portion angled 25 degrees to 75 degrees relative to the crown; a weighting member disposed within the plies of pre-preg of the ribbon portion of the sole; and a sole plate attached to the external surface of the bottom portion of the sole, the sole plate composed of a metal material; wherein the striking plate portion has an aspect ratio ranging from 1.0 to 1.7; wherein the golf club head has a volume ranging fron 300 cubic centimeter to 450 cubic centimeters; and wherein the golf club head has a coefficient of restitution ranging from 0.80 to 0.93 under standard USGA conditions.