Invention Grant
- Patent Title: Golf ball
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Application No.: US16007115Application Date: 2018-06-13
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Publication No.: US10463919B2Publication Date: 2019-11-05
- Inventor: Hirotaka Shinohara , Takashi Ohira
- Applicant: BRIDGESTONE SPORTS CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: Bridgestone Sports Co., Ltd.
- Current Assignee: Bridgestone Sports Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2017-127627 20170629
- Main IPC: A63B37/00
- IPC: A63B37/00 ; A63B37/14 ; A63B102/32

Abstract:
To provide a golf ball that can prevent a decrease in carry distance of a driver shot when it rains and also, can exert excellent spinning performance upon an approach shot. The golf ball of the present invention includes a core, a cover that is provided on an outer side of the core and has dimples, and an outermost layer that is formed on an outer side of the cover and made of a material having a contact angle of 90° or more, the golf ball having a dynamic friction coefficient of 0.52 or more. The cover may be formed of thermoplastic polyurethane having hardness of 55 or more in terms of Shore D Hardness. The outermost layer may be formed of a urethane coating containing a water repellent additive, as a main component.
Public/Granted literature
- US20190001192A1 GOLF BALL Public/Granted day:2019-01-03
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