Invention Grant
- Patent Title: Golf ball
- Patent Title (中): 高尔夫球
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Application No.: US13614106Application Date: 2012-09-13
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Publication No.: US09050499B2Publication Date: 2015-06-09
- Inventor: Toshiyuki Tarao , Kuniyasu Horiuchi , Kaichiro Wayaku
- Applicant: Toshiyuki Tarao , Kuniyasu Horiuchi , Kaichiro Wayaku
- Applicant Address: JP Kobe
- Assignee: DUNLOP SPORTS CO., LTD.
- Current Assignee: DUNLOP SPORTS CO., LTD.
- Current Assignee Address: JP Kobe
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2011-203228 20110916
- Main IPC: A63B37/00
- IPC: A63B37/00 ; C09D133/14 ; C09D175/04 ; C09D133/06 ; A63B43/00 ; A63B45/00

Abstract:
An object of the present invention is to provide a golf ball having a paint film which is formed from an aqueous paint and excellent in adhesion to the surface of the golf ball and stain resistance. The present invention provides a golf ball comprising a golf ball body and a paint film formed on the golf ball body, wherein the paint film has a tensile strength ranging from 5 MPa to 45 MPa and is formed from a curing type aqueous polyurethane paint containing (A) an aqueous polyol composition including (a-1) an aqueous acrylic polyol and (a-2) an aqueous polyurethane resin having a tensile strength ranging from 5 MPa to 45 MPa and (B) an aqueous polyisocyanate including hexamethylene diisocyanate and/or a derivative thereof.
Public/Granted literature
- US20130072324A1 GOLF BALL Public/Granted day:2013-03-21
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