| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a clubhead with high durability. <P>SOLUTION: A sole 30 is provided with a plurality of bosses 31 on the upper surface of the sole formed in one piece while projecting in the upper direction, each boss 31 is formed with a female screw 32 opening in the upper direction while being closed at the bottom, the sole 30 is fastened to a bottom section of a clubhead 2 with metallic male screw members threaded in from the upper side of the head body 20 toward each female screw 32 positioned below, and a filler material is filled into screw insertion holes 22 of the head body 20 where heads of the male screws are inserted. <P>COPYRIGHT: (C)2003,JPO</p> |
