Patent ID: 7244195
Filing Date: 2007-07-17
Classification: A63B

Abstract:
1. A multi-piece solid golf ball comprising a solid core and a cover comprising an inner layer and an outer layer, the outer cover layer having a surface formed with a plurality of dimples, wherein a product of the Shore D hardness of said inner cover layer multiplied by the Shore D hardness of said outer cover layer and a proportion V (1) the product of Shore D hardnesses of inner and outer cover layers: 1,500 to less than 2,000 (2) the product of Shore D hardnesses of inner and outer cover layers: 2,000 to less than 2,500 (3) the product of Shore D hardnesses of inner and outer cover layers: 2,500 to less than 3,000 (4) the product of Shore D hardnesses of inner and outer cover layers: 3,000 to less than 3,500 (5) the product of Shore D hardnesses of inner and outer cover layers: 3,500 to 4,000 and said dimples include at least three types of dimples which are different in at least one of a diameter, a depth, and a value V