| 摘要 |
PROBLEM TO BE SOLVED: To provide a light and environmentally friendly racket frame having high strength and the excellent property of vibration damping. SOLUTION: Metal powder 21 is mixed with a nonmetallic matrix material 22 composed of either of a resin, rubber and/or elastomer to be molded, and disposed as a balance adjusting weight body 20 in a frame body 18 of the racket frame 10 made of a fiber reinforcing resin. |
