| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a golf club shaft which improves efficiency of polishing. <P>SOLUTION: The golf club shaft 12 includes a plurality of cylindrically laminated fiber sheets S<SB POS="POST">1</SB>, S<SB POS="POST">2</SB>, ..., S<SB POS="POST">n-1</SB>, and S<SB POS="POST">n</SB>. Two fiber sheets S<SB POS="POST">n-1</SB>and S<SB POS="POST">n</SB>located on the outermost side and extending over the whole length of the golf club shaft 12 have the same elastic modulus. <P>COPYRIGHT: (C)2013,JPO&INPIT |
