Patent ID: 6835793
Filing Date: 2004-12-28
Classification: A63B,C08G

Abstract:
A golf ball comprisinga solid core having multiple dimples formed on the surface thereof, and composed of at least one layer, and a polyurethane cover for covering the solid core, said cover having multiple dimples, the dimples formed on the surface of the solid core being provided at locations corresponding to where the dimples of the cover are located, and the dimples of the solid core have the same shape as the dimples of the cover, wherein the polyurethane cover has a thickness of from 0.2 to 0.5 mm, and is formed from a cured urethane composition having Shore D hardness of from 30 to 55; the urethane composition comprises an isocyanate group-terminated urethane prepolymer and an aromatic polyamine compound; and the deformation amount of the golf ball is from 2.40 to 3.30 mm when applying a load of from 98N as a initial load to 1275N as a final load to the golf ball.