The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 08, 2016
Filed:
Mar. 12, 2013
Applicant:
Bridgestone Sports Co., Ltd., Minato-ku, Tokyo, JP;
Inventors:
Katsunobu Mochizuki, Chichibushi, JP;
Hiroyuki Nagasawa, Chichibushi, JP;
Takashi Akutagawa, Takaishi, JP;
Naoki Shirakawa, Takaishi, JP;
Assignees:
Bridgestone Sports Co., Ltd., Tokyo, JP;
DIC COVESTRO PPOLYMER LTD, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 37/12 (2006.01); A63B 37/00 (2006.01);
U.S. Cl.
CPC ...
A63B 37/0023 (2013.01);
Abstract
The invention provides a golf ball having a core encased by a cover of one or more layer, which cover is formed of a material composed primarily of a thermoplastic polyurethane material and containing also a lubricant composed primarily of a montanic acid ester. Paint film adhesion is not adversely affected even when the mold temperature during injection-molding of the golf ball is raised to 60° C. or above.