| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a light-weight golf ball with a large diameter having an improved hitting sound without deteriorating its moldability. <P>SOLUTION: The golf ball has a diameter of 43 to 50 mm and a weight of≤45.93 g. Hollow particles of 5 to 50 pts.wt. made of glass are contained based on 100 pts.wt. of a rubber composition constituting the core. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
