Golf ball
AssigneeSumitomo Rubber Industries, Ltd.
InventorsHiroaki Tanaka, Keiji Moriyama
Life of this patent
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Abstract
A solid golf ball having a good shot feel and controllability as well as an excellent flight performance and durability which comprises a core and a cover covering the core, wherein the cover has a two layer structure composed of an outer cover and an inner cover, wherein the inner cover is prepared from a resin composition having a flexural modulus of 5,000 to 12,000 Kgf/cm.sup.2 and comprising a polyamide resin having a flexural modulus of 6,000 to 30,000 Kgf/cm.sup.2 with a thermoplastic elastomer having a JIS/A hardness of 30 to 98, in a weight ratio of polyamide: thermoplastic elastomer within the range of 95:5 to 50:50.
Claims7
A golf ball comprising a core and a cover covering said core, said cover having a two layer structure composed of an outer cover and an inner cover, wherein said inner cover is prepared from a resin composition having a flexural modulus of 5,000 to 12,000 Kgf/cm.sup.2, and comprising a polyamide resin having a flexural modulus of 6,000 to 30,000 Kgf/cm.sup.2 and a thermoplastic elastomer having a JIS-A hardness of 30 to 98, in a weight ratio of polyamide resin:thermoplastic elastomer within the range of 95:5 to 50:50.
Dependencies are inferred from the claim text.