Four piece solid golf ball
AssigneeSumitomo Rubber Industries, Ltd.
InventorsKeiji Moriyama, Yoshinori Sano
Life of this patent
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Abstract
The present invention provides a four piece solid golf ball which exhibits long flight distance and excellent shot feel. The four piece solid golf ball of the present invention comprises: a center (1), an intermediate layer (5)having two layers consisting of an inner layer (2) and an outer layer (3), formed on the center (1), and a cover (4) covering the intermediate layer (5), wherein the inner layer (2) and cover (4) are harder than the center (1) and the outer layer (3), so that the hardness distribution of the portions (1) to (4) is arranged to be soft—hard—soft—hard from the center (1) to the cover (4).
Claims5
A four piece solid golf ball comprising:
- a center
- an intermediate layer having two layers consisting of an inner layer and an outer layer formed on the center, and
- a cover covering the intermediate layer,
- wherein the center has a JIS-C hardness of 65 to 80 and a diameter of 15-25 mm, the inner layer has a JIS-C hardness of 70 to 85 and a thickness of 2 to 13 mm, the outer layer has a JIS-C hardness of 40 to 80 and a thickness of 1.3 to 2.5 mm and the cover has a Shore D hardness of 62 to 72 and a thickness of 1.7 to 2.9 mm.
Dependencies are inferred from the claim text.