| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a racket frame in which a material except for lead is used as a weight for balance control, the weight is surely held and fixed on the racket frame, repeated attachment/detachment is enabled and much labor is not required for recycling. <P>SOLUTION: In a recessed groove 12 formed on the surface of a main body 8 of a grip, a stick-like weight 13 for balance control composed of a metallic material having the specific gravity of ≥7 and ≤20 and the elastic modulus of ≥100,000 N/mm<SP>2</SP>and ≤410,000 N/mm<SP>2</SP>is adhered and fixed via a hot melt soft adhesive having a pour point from 100°C to 140°C. <P>COPYRIGHT: (C)2003,JPO |
