发明名称 IRON CLUB HEAD
摘要 <p>PROBLEM TO BE SOLVED: To provide a cavity back type iron club head capable of retaining a feeling of sure ball striking that cannot be realized by a conventional soft iron forged cavity back type iron club head material along by compounding a soft iron forged cavity back type iron club head in particular with a back face member such as titanium, a titanium alloy. SOLUTION: A cavity back type iron club head 1 characterized is that a recess 2A is formed in the back face 2 of a head body 1A, and a rim weight portion 3 is formed in the rim of the recess 2A, characterized by the fitting and mounting of a back face member 4, the specific gravity of which is lower than a metal forming the head body 1A in the recess 2A of the back face 2, formation of a weight addition portion 5A in the upper end 5 of the toe of the rim weight portion 3, and formation of a lower weight addition portion 6A in the part from the center 6B on the sole 6 side of the rim weight portion 3 to the heel 8.</p>
申请公布号 JP2001161867(A) 申请公布日期 2001.06.19
申请号 JP19990351652 申请日期 1999.12.10
申请人 MIZUNO CORP;CHUO KOGYO KK 发明人 NAGASAKI TOSHIYUKI;CHAZONO KIYOTAKA;TOSHINARI ISAMU;MINE TAKAYUKI;KANEKAWA KENJI
分类号 A63B53/04;(IPC1-7):A63B53/04 主分类号 A63B53/04
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