Composite golf club head and method of manufacturing
AssigneeCallaway Golf Company
InventorsJames M. Murphy, Herbert Reyes, D. Clayton Evans, J. Andrew Galloway, Richard C. Helmstetter, Daniel R. Jacobson
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Abstract
A golf club having a club head with a striking plate composed of a composite material and having a thickness in the range of 0.010 to 0.250 inches is disclosed herein. The golf club head also has a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999. The golf club head body is also composed of a composite material, and a weight strip is placed within a ribbon of the body.
Claims8
A fairway wood or driver golf club head comprising:
- a hollow body having a crown, a sole and a striking plate composed of a plurality of plies of pre-preg sheets containing fibers, the striking plate having a thickness in the range of 0.110 inch to 0.155 inch;
- a return disposed between the striking plate and the crown having a thickness in the range of 0.100 inch to 0.200 inch;
- and
- wherein the golf club head has a coefficient of restitution of 0.8 to 0.9.
Dependencies are inferred from the claim text.