Solid golf ball
AssigneeBridgestone Corporation
InventorsYoshinori Egashira, Kazuyuki Takahashi, Seisuke Tomita
Life of this patent
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Abstract
One-piece and multi-layered golf balls are improved in flying performance by forming the one-piece ball entirely or multi-layered golf ball core from a rubber composition comprising a base rubber and a co-crosslinking agent in the form of a premix of an unsaturated fatty acid metal salt and a liquid polymer.
Claims15
A solid golf ball comprising a rubber composition which comprises 100 parts by weight of a rubber component and about 30 to about 60 parts by weight of a co-crosslinking agent in the form of a premix of a metal salt of an unsaturated acid selected from the group consisting of acrylic acid, methacrylic acid, maleic acid and fumaric acid and a liquid polymer selected from the group consisting of liquid polybutadiene, liquid polyisoprene, liquid butadiene-isoprene copolymer, liquid butadiene-styrene copolymer, liquid polybutene and liquid ethylene-propylene rubber, said metal salt being present in an amount of about 30 to about 90% by weight of the premix.
Dependencies are inferred from the claim text.