| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a golf ball with a geometrically shaped core having improved game performance, for instance, designed so as to enable a player to give a preferable spin speed to the ball. SOLUTION: This golf ball includes a preliminarily formed and selectively weighted inner core insert 10, outer cores 15, 20 formed on the inner core insert 10, and a cover 25 equipped around the periphery of the outer cores 15, 20.</p> |
