×

Golf club head with coated striking plate

  • US 6,428,427 B1
  • Filed: 10/03/2000
  • Issued: 08/06/2002
  • Est. Priority Date: 10/03/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A wood-type golf club head comprising:

  • a body composed of a metal material, the body having a crown, a sole, a heel end, a toe end and a hollow interior;

    a striking plate composed of a metal material attached to the body, the striking plate having an interior surface toward the hollow interior and a smooth exterior surface opposite the interior surface, the striking plate also having a central region, a transition region, a first peripheral region and a second peripheral region, the central region having a first thickness ranging from 0.125 inch to 0.145 inch and occupying 5% to 15% of the exterior surface of a core face area, the transition region encompassing the central region and occupying 35% to 50% of the exterior surface of a core face area, the first peripheral region encompassing the transition region and occupying 40% to 55% of the exterior surface of the core face, the first peripheral region having a second thickness less than the first thickness and ranging from 0.075 inch to 0.110 inch, the transition region having a thickness that transitions from the first thickness to the second thickness, the second peripheral region encompassing the first peripheral region and having a third thickness that ranges from 0.045 inch to 0.080 inch; and

    a polymer layer disposed on the exterior surface of the striking plate, the polymer layer having a thickness of 0.005 inch to 0.100 inch, the thin layer having a plurality of scorelines thereon.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×