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Method for producing a wood-type golf club head

  • US 4,803,023 A
  • Filed: 02/19/1987
  • Issued: 02/07/1989
  • Est. Priority Date: 09/17/1985
  • Status: Expired due to Term
First Claim
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1. Method for producing a wood-type golf club head comprising the steps ofpreparing a FRP shell having a cavity and defining a bottom section,forming a seat hole in said bottom section of said FRP shell,securedly closing said seat hole with a support plate having a threaded through hole at the position of the center of gravity thereof,infusing foamable resin into said cavity of said FRP shell via said threaded through hole,screwing a plug of a selected weight into said threaded through hole, anddeveloping foaming and hardening of said foamable resin for conversion into foam resin.

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