| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a golf club head which is industrially manufactured easily and has an extended sweet area. <P>SOLUTION: The golf club head 1 has a body section 5 having a hollow structure and a face section 2 which is jointed with the body section 5 so that it covers the opening of the body section 5. The body section 5 has thick plate sections 6a and 7a containing joint sections with the face section 2 and thin plate sections 6d and 7d constituted with a thinner plate than the thick plate sections 6a and 7a, and the interface between the thick plate sections 6a and 7a and the thin plate sections 6d and 7d is corrugated. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
