Invention Grant
- Patent Title: Golf ball
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Application No.: US15381966Application Date: 2016-12-16
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Publication No.: US09975005B2Publication Date: 2018-05-22
- Inventor: Kosuke Tachibana , Kazuya Kamino , Toshiyuki Tarao , Hidetaka Inoue
- Applicant: Dunlop Sports Co. Ltd.
- Applicant Address: JP Kobe-Shi, Hyogo
- Assignee: DUNLOP SPORTS CO. LTD.
- Current Assignee: DUNLOP SPORTS CO. LTD.
- Current Assignee Address: JP Kobe-Shi, Hyogo
- Agency: Birch, Stewart, Kolash & Birch, LLP
- Priority: JP2015-247257 20151218
- Main IPC: A63B37/00
- IPC: A63B37/00 ; C09D175/04 ; C09D175/00

Abstract:
An object of the present invention is to provide a golf ball travelling a great flight distance on driver shots, exhibiting an excellent spin performance on approach shots under a dry condition and a wet condition, and showing an excellent shot feeling and durability. The present invention provides a golf ball comprising a golf ball body having a spherical core, an intermediate layer and a cover, and a paint film composed of two or more layers, wherein a 10% elastic modulus difference (Min−Mout) between an innermost layer and an outermost layer of the paint film is 25 kgf/cm2 or more.
Public/Granted literature
- US20170173398A1 GOLF BALL Public/Granted day:2017-06-22
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