×

Golf club head

  • US 4,824,116 A
  • Filed: 07/13/1987
  • Issued: 04/25/1989
  • Est. Priority Date: 09/17/1985
  • Status: Expired due to Term
First Claim
Patent Images

1. A wood-type golf club head comprising a hollow shell constructed of fiber reinforced plastics having a sole side provided with a first opening, a lid received within said first opening to provide an enclosure therefore, said lid having a second opening therein providing direct communication between the hollow interior of said shell and the exterior thereof, and foamable synthetic resin beads of a predetermined amount having metal pieces dispersed therein provided within the hollow interior of said shell through said second opening, said foamable synthetic resin forming a foam synthetic resin core upon application of heat thereto.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×