Patent ID: 6723009
Filing Date: 2004-04-20
Classification: A63B,C08L

Abstract:
A three-piece solid golf ball comprising a core composed of a center and an intermediate layer formed on the center, and a cover formed on the core, whereinthe center has a diameter of 10 to 20 mm and a central point hardness in JIS-A hardness of 30 to 90; the intermediate layer has a surface hardness in Shore D hardness of 50 to 70 and a thickness of 9.5 to 15.0 mm; and the cover has a Shore D hardness of 45 to 65 wherein the cover is formed from a cover composition comprising as a base resin a heated mixture of (a) ionomer resin; and (b) thermoplastic elastomer selected from the group consisting of styrene-based thermoplastic elastomer, polyolefin-based thermoplastic elastomer, polyurethane-based thermoplastic elastomer, polyester-based thermoplastic elastomer, polyamide-based thermoplastic elastomer and mixtures of at least one thereof.