| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a thread wound golf ball whose feeling of batting is soft and excellent and has fine endurance and flying performance. SOLUTION: A thread wound golf ball is composed of a thread spool core 5 which is constituted of a center 1 and a rubber thread layer 2 which is wound around the center 1, a cover 6 which is composed of an inner layer cover 3 which is formed on the b rubber thread layer 2 and an outer layer cover 4 which is formed on the inner layer cover 3. Hardness of the outer layer cover 4 is larger than that of the inner layer cover 3 and the outer layer cover 4 has a hardness over a Shore D hardness 65.</p> |
