Invention Grant
- Patent Title: Golf ball
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Application No.: US17702039Application Date: 2022-03-23
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Publication No.: US11779813B2Publication Date: 2023-10-10
- Inventor: Kazuya Kamino , Hidetaka Inoue , Toshiyuki Tarao
- 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 16232270 2016.11.30
- The original application number of the division: US16549182 2019.08.23
- Main IPC: A63B37/06
- IPC: A63B37/06 ; A63B37/00 ; A63B47/00 ; C08J7/04 ; B32B25/08 ; B32B25/16 ; G01N3/42

Abstract:
A golf ball 2 includes a main body 4 and a paint layer 6 positioned outside the main body 4. The main body 4 includes a spherical core 8, a mid layer 10 positioned outside the core 8, and a cover 12 positioned outside the mid layer 10. An indentation depth, measured when the paint layer 6 in a cross-section along a plane passing through a central point of the golf ball 2 is pressed by a force of 30 mgf in a direction perpendicular to the cross-section, is not less than 300 nm and not greater than 3000 nm. The paint layer 6 preferably has a thickness of not less than 5 μm and not greater than 50 μm.
Public/Granted literature
- US20220212061A1 GOLF BALL Public/Granted day:2022-07-07
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