Solid golf ball
AssigneeSumitomo Rubber Industries, Ltd.
InventorsSatoshi Iwami, Akira Kato
Life of this patent
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Abstract
The present invention provides a solid golf ball keeping excellent hit feeling equivalent to that of a conventional solid golf ball, providing a large spinning quantity when driven with a short iron or the like, easy to stop and having high spinning retention. The solid golf ball according to the present invention consists of a core and a cover coating the core, and the cover is made of a mixture of ionomer resin, thermoplastic elastomer and a tackifier while Shore D hardness thereof is at least 40 and not more than 65.
Claims7
A solid golf ball consisting of a core and a cover coating said core, wherein
- said cover is made of a mixture of ionomer resin, thermoplastic elastomer and a tackifier and has Shore D hardness of at least 40 and not more than 65, and
- said cover contains 30 to 70 percent by weight of said ionomer resin, 20 to 60 percent by weight of said thermoplastic elastomer and 5 to 30 percent by weight of said tackifier assuming that the total quantity of said ionomer resin, said thermoplastic elastomer and said tackifier forming said cover is 100 parts by weight.
A solid golf ball consisting of a core and a cover coating said core, wherein
- said cover is made of a mixture of ionomer resin, thermoplastic elastomer and a tackifier and has Shore D hardness of at least 40 and not more than 65, and
- said cover contains said ionomer resin, said thermoplastic elastomer and 5 to 30 percent by weight of said tackifier assuming that the total quantity of said ionomer resin, said thermoplastic elastomer and said tackifier forming said cover is 100 parts by weight.
Dependencies are inferred from the claim text.