| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To achieve both appropriate flexibility and strength in a light-weight golf club shaft. <P>SOLUTION: The golf club shaft is made of a layered body of prepregs 21-28, and a fullerene-including bias layer BF is formed in a part of the layered body. The fullerene-including bias layer BF is made of prepregs 22 and 23 with fullerene and/or a fullerene compound included in matrix resin, and the angle of orientation of the bias layer to the shaft axis of reinforced fibers F22 and F23 is at least±10°and not more than 80°. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
