| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To control the performance of a golf club by varying the width of a weld bead. <P>SOLUTION: The golf club head in hollow structure with a face 2 to strike a ball includes a head body having an opening part on the front side, and a face member fixed to the opening part by welding. In the golf club head, the width of the weld bead 8 joining the head body to the face member varies, and for the maximum width Wmax of the weld and the minimum width Wmin of the weld bead, difference (Wmax-Wmin) is 1 mm or over. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
