Golf ball
AssigneeSRI Sports Limited
InventorsTsutomu Hirau, Toshiyuki Tarao
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AssigneeSRI Sports Limited
InventorsTsutomu Hirau, Toshiyuki Tarao
Estimating the term…
An object of the present invention is to provide a golf ball comprising a core consisting of a center and at least one intermediate layer covering the center, and a cover covering the core, wherein the cover is made from a cover composition containing, as a resin component, a thermoplastic polyurethane (A) and a polyisocyanate mixture (B) in which a urethane prepolymer (b-1) having at least two isocyanate groups is dispersed in a thermoplastic resin (b-2) which does not substantially react with an isocyanate group; and wherein the cover composition has a slab hardness of more than 60 and not more than 75 in Shore D hardness, and at least one piece or one layer of the intermediate layer is formed from a low hardness intermediate layer composition which has a slab hardness of 40 or less in Shore D hardness.
A golf ball comprising
A three piece golf ball comprising
Dependencies are inferred from the claim text.