Back to results
US 6,656,061 B2Granted
Solid golf ball
AssigneeSumitomo Rubber Industries, Ltd.
InventorsSatoshi Iwami, Takashi Sasaki
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeSumitomo Rubber Industries, Ltd.
InventorsSatoshi Iwami, Takashi Sasaki
Estimating the term…
The present invention provides a solid golf ball having long flight distance obtained by accomplishing high launch angle and low spin amount, and having excellent shot feel, rebound characteristics, scuff resistance and yellowing resistance. The present invention relates to a solid golf ball comprising a core and a cover formed on the core, wherein the cover comprises as a base resin (a) polyurethane-based thermoplastic elastomer formed by using cycloaliphatic diisocyanate, or (b) a mixture of polyurethane-based thermoplastic elastomer formed by using cycloaliphatic diisocyanate and polyamide-based thermoplastic elastomer, and has a thickness of not more than 1.0 mm, and a surface hardness in Shore D hardness of the core is higher than a central point hardness in Shore D hardness of the core by not less than 20.
A solid golf ball comprising a core and a cover formed on the core, wherein the core is composed of a center and at least one layer of an intermediate layer formed on the center, and wherein
Dependencies are inferred from the claim text.