| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To facilitate use and to realize a long flying distance by providing high repulsion characteristics and improving a hitting feeling or the like. <P>SOLUTION: This bat for ball games is provided with a ball hitting part D composed by providing an elastic body 4 around the attaching part 3 of a bat main body 2, and the attaching part 3 of the bat main body 2 around which the elastic body is provided has double inner and outer peripheral walls 5 and 6. A low elastic layer 7 composed of a soft foamed synthetic resin material is provided between the inner and outer peripheral walls 5 and 6, a high elastic layer 8 composed of a semi-hard foamed synthetic resin material is provided on the outer side of the peripheral wall 6 on the outer side, and a 4-layer structure is formed as a whole. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
