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. 03, 2006
Filed:
Dec. 01, 2003
Yasumasa Shimizu, Chichibu, JP;
Junji Hayashi, Chichibu, JP;
Hiroshi Higuchi, Chichibu, JP;
Rinya Takesue, Chichibu, JP;
Yasushi Ichikawa, Chichibu, JP;
Yasumasa Shimizu, Chichibu, JP;
Junji Hayashi, Chichibu, JP;
Hiroshi Higuchi, Chichibu, JP;
Rinya Takesue, Chichibu, JP;
Yasushi Ichikawa, Chichibu, JP;
Bridgestone Sports Co., Ltd., Tokyo, JP;
Abstract
A multi-piece solid golf ball has a solid core obtained by molding and vulcanizing a rubber composition which includes (A) a base rubber containing a polybutadiene synthesized using a rare-earth catalyst, (B) an unsaturated carboxylic acid and/or a metal salt thereof, (C) an organic sulfur compound, (D) an inorganic filler and (E) an organic peroxide. The core is enclosed within a mantle of one or more layer which is made primarily of a thermoplastic resin and has a Durometer D hardness of 30 to 70. The mantle is enclosed within a cover which is made primarily of a thermoplastic polyurethane and which has a Durometer D hardness of 40 to 60 that is lower than the Durometer D hardness of the outermost layer of the mantle. This construction provides the golf ball with an outstanding rebound.