- Patent Title: Golf ball including delusterant and method for producing the same
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Application No.: US17726911Application Date: 2022-04-22
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Publication No.: US12083388B2Publication Date: 2024-09-10
- Inventor: Hirotaka Shinohara
- 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: JP 21102574 2021.06.21
- Main IPC: A63B37/06
- IPC: A63B37/06 ; A63B37/00

Abstract:
A golf ball according to the present invention includes a core, a cover located outside the core and having a plurality of dimples, and a coating layer located outside the cover and containing a delusterant, the surface of the coating layer having an average roughness Ra of at least 0.35. The surface of the golf ball has a static friction coefficient of at least 0.20. A method for producing a golf ball according to the present invention includes forming a coating layer on the surface of a cover having a plurality of dimples by using a coating material composition including a polyurethane coating material, a delusterant, and a solvent having a boiling point of at least 130° C.
Public/Granted literature
- US20220401796A1 GOLF BALL INCLUDING DELUSTERANT AND METHOD FOR PRODUCING THE SAME Public/Granted day:2022-12-22
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