Patent ID: 6783467
Filing Date: 2004-08-31
Classification: A63B

Abstract:
A thread-wound golf ball having a cover wrapped around a rubber thread layer formed by winding a rubber thread around a center, wherein a ratio of volume of said rubber thread layer to the volume of saidthread-wound golf ball is 10-20%,when deformation formed by applying an initial load of 98N to a final load of 1274N to said center is A, and deformation formed by applying an initial load of 98N to a final load of 1274N to a thread-wound core having a rubber thread wound around said center is B, a difference therebetween (Aâˆ’B) is 0.5-0.7 mm, said cover including thermoplastic polyurethane based elastomer as a main material, and said cover having a shore D hardness of 40-55.