Patent ID: 6394912
Filing Date: 2002-05-28
Classification: A63B

Abstract:
A solid golf ball comprising a solid core and a cover of at least one layer that encloses the solid core, the solid core having a multilayer construction which includes a center core and an outer core layer that encloses the center core, whereinthe center core consists essentially of a thermoplastic resin or a thermoplastic elastomer, and has a diameter of 3 to 16 mm and a Shore D hardness of 15 to 50, and the outer core layer is made of a rubber composition composed primarily of cis-1,4-polybutadiene and has a Shore D hardness near the interface thereof with the center core which is 1 to 15 higher than the Shore D hardness of the center core, and at least one layer of the cover is harder than the outer core layer.