×

HOLLOW GOLF CLUB HEAD AND METHOD OF MANUFACTURING THE SAME

  • US 20130344987A1
  • Filed: 04/26/2013
  • Published: 12/26/2013
  • Est. Priority Date: 06/22/2012
  • Status: Active Grant
First Claim
Patent Images

1. A hollow golf club head including a metal plate portion provided with a thin portion and a thick portion, whereina medium thick portion having an intermediate thickness between a thickness of the thin portion and a thickness of the thick portion is formed at a boundary portion between the thin portion and the thick portion, andthe thin portion and the medium thick portion are formed by the steps ofpressing the metal plate portion to form a recess in one surface of the metal plate portion and a projection on the other surface thereof,performing chemical milling of the recess and a portion surrounding the recess, andremoving the projection by grinding.

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