Three-piece solid golf ball

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5601502
SERIAL NO

08365110

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a three-piece solid golf ball having both excellent hit feeling and large flying distance. The three-piece solid golf ball comprises a core 1 and a cover 2 covering the core 1, and the core 1 has a two-layer structure comprising a center 1a and an outer shell 1b. The center 1a contains an .alpha.,.beta.-unsaturated carboxylic acid metallic salt in an amount of 13 to 28 parts by weight based on 100 parts by weight of a base rubber and the outer shell 1b contains an .alpha.,.beta.-unsaturated carboxylic acid metallic salt in an amount of 28 to 35 parts by weight based on 100 parts by weight of an base rubber. A surface hardness (measured by JIS-C type hardness tester) of the core 1 is 75 to 88 and a compression deformation amount of the core 1 is 2.7 to 5.0 mm.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO RUBBER INDUSTRIES LTDKOBE CITY JAPAN HYOGO CENTRAL CRISP BANG TOWN 3 CHOME 6 NO 9 KOBE-SHI HYOGO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hiraoka, Hidenori Akashi, JP 25 1439
Koizumi, Yoshimasa Kobe, JP 11 814

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