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GOLF CLUB HEAD

  • US 20080032814A1
  • Filed: 12/04/2006
  • Published: 02/07/2008
  • Est. Priority Date: 08/07/2006
  • Status: Abandoned Application
First Claim
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1. A golf club head having a plurality of grooves formed on a face thereof, whereinedges of said groove are rounded with a radius of not more than 0.2 mm, anda width W (mm) of said groove measured with said rounded edge being included, a width Ws (mm) between said grooves adjacent to one another, a width Wr (mm) of said groove measured based on the 30 degrees measurement rule and a cross section area S (mm2) of said groove satisfy the following expressions:


  • W/Ws×

    100≧

    35(%)
    S/(Ws×

    0.5)×

    100≧

    70(%).

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