| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide golf balls improved to be free from giving a rigid feeling to the players when hit with the club. <P>SOLUTION: Multi-layer golf balls 10 has an inner cover layer 22 including a blend of styrene-block copolymer and trans-polyisoprene, an outer cover layer 20 includes a polyurethane, a polyurea or their mixture, and a core 12 has thermosetting or thermoplastic materials. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
