Golf ball and manufacturing method thereof

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United States of America Patent

PATENT NO 9839812
SERIAL NO

14878152

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A golf ball of one aspect of the present invention includes a spherical core, one or more cover members to cover the core, and a coating layer to coat a cover member configuring an outermost layer of the one or more cover members. A plurality of dimples is formed in the cover member of the outermost layer. Roughness is produced on a surface of the coating layer after applying a coat over the cover member of the outermost layer. An average value Fa (mm) of maximum depths of the plurality of dimples and arithmetic average roughness Ra (μm) on the surface of the coating layer, satisfy a relational expression:

description='In-line Formulae' end='lead'−1.5×Fa+0.8≦Ra≦−1.5×Fa+1.8.description='In-line Formulae' end='tail'

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO RUBBER INDUSTRIES LTD6-9 WAKINOHAMA-CHO 3-CHOME CHUO-KU KOBE-SHI HYOGO 651-0072

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sajima, Takahiro Kobe, JP 169 1081

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