Invention Grant
- Patent Title: Golf ball
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Application No.: US17351514Application Date: 2021-06-18
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Publication No.: US11771959B2Publication Date: 2023-10-03
- Inventor: Kazuya Kamino , Hidetaka Inoue , Kuniyasu Horiuchi
- Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
- Applicant Address: JP Kobe
- Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
- Current Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
- Current Assignee Address: JP Kobe
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP 18143746 2018.07.31
- Main IPC: A63B37/00
- IPC: A63B37/00 ; C09D175/08 ; C08K3/36 ; C09D7/61 ; C09D175/04

Abstract:
An object of the present invention is to provide a golf ball having improved ball speed or aerodynamic performance on a rainy day or the like by controlling the formulation of the paint film. The present invention provides a golf ball comprising a golf ball body and a paint film covering the golf ball body, wherein a paint film surface of the golf ball has a water contact angle A1 of 70° or more and a water sliding angle B1 of less than 50°. The present invention also provides a golf ball comprising a golf ball body and a paint film covering the golf ball body, wherein when a sheet consisting of a slab formed from a composition constituting a golf ball body surface and a coating film formed by applying a paint constituting the paint film on the slab is prepared, a coating film surface of the sheet has a water contact angle A2 of 90° or more and a water sliding angle B2 of less than 52°.
Public/Granted literature
- US20210308531A1 GOLF BALL Public/Granted day:2021-10-07
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