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:
Jan. 13, 2015
Filed:
Oct. 01, 2012
Bridgestone Sports Co., Ltd., Tokyo, JP;
Hiroshi Higuchi, Chichibushi, JP;
Hirotaka Shinohara, Sekishi, JP;
Motoki Furuyama, Sekishi, JP;
Tasuku Takita, Sekishi, JP;
Takashi Ohira, Chichibushi, JP;
Daisuke Arai, Chichibushi, JP;
Yuichiro Ozawa, Chichibushi, JP;
Katsunori Sato, Chichibushi, JP;
Bridgestone Sports Co., Ltd., Tokyo, JP;
Abstract
The invention provides a solid golf ball having a core and a cover. The core is formed of a rubber composition containing a base rubber, a co-crosslinking agent, a crosslinking initiator and a metal oxide. The base rubber contains polybutadiene, a styrene-butadiene rubber and, optionally, an isoprene rubber. The co-crosslinking agent is methacrylic acid, and the rubber composition includes a specific waste material in the form of a powder. The core deflection and the cover material are optimized. Utilizing a waste material in a solid golf ball conserves resources and thus is beneficial to the global environment. Even during prolonged use, the golf ball maintains its basic performance attributes (feel, flight, durability) at a high level.