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.

Date of Patent:
Aug. 14, 2018

Filed:

Jun. 27, 2017
Applicant:

Bridgestone Sports Co., Ltd., Minato-ku, Tokyo, JP;

Inventors:

Takashi Ohira, Chichibushi, JP;

Tsuyoshi Nakajima, Chichibushi, JP;

Eiji Takehana, Chichibushi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 37/06 (2006.01); A63B 37/00 (2006.01); C08L 21/00 (2006.01);
U.S. Cl.
CPC ...
A63B 37/0051 (2013.01); A63B 37/006 (2013.01); A63B 37/0063 (2013.01); A63B 37/0065 (2013.01); A63B 37/0066 (2013.01); A63B 37/0068 (2013.01); A63B 37/0074 (2013.01); A63B 37/0075 (2013.01); A63B 37/0076 (2013.01); C08L 21/00 (2013.01);
Abstract

The invention provides a golf ball that is a one-piece golf ball or a golf ball having a core and a cover of one layer or a plurality of layers, wherein the one-piece golf ball or core is formed of a material molded under heat from a rubber composition containing: The content of component (D) per 100 parts by weight of component (A) is from 30 to 45 parts by weight. The molar ratio (C)/(D) between components (C) and (D) satisfies the formula0.9<()/()<1.1. The core has an initial velocity Vof at least 72.0 m/s and up to 75.0 m/s.


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