| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a badminton racket having sufficient strength while it is light in weight, well-balanced and flexible. <P>SOLUTION: In the badminton racket composed of a head part where strings are to be spread, a grip part and a shaft part connecting the head part and the grip part, carbon nanotube is contained in the head part and the shaft part and the entire weight of the badminton racket is set to be 82 g or less. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
