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:
Feb. 18, 2003
Filed:
Jun. 09, 2000
Keiji Ohama, Akashi, JP;
Keiji Moriyama, Akashi, JP;
Kazunari Yoshida, Kasai, JP;
Satoshi Iwami, Akashi, JP;
Sumitomo Rubber Industries, Ltd., Hyogo-ken, JP;
Abstract
The present invention provides a multi-piece solid golf ball having very soft and good shot feel at the time of hitting, and having high rebound characteristics and excellent flight performance, while maintaining good productivity and the like. The present invention relates to a multi-piece solid golf ball comprising a core consisting of a center and at least one layer of intermediate layer formed on the center, and a cover covering the core, wherein the intermediate layer comprises at least one layer formed from a rubber composition comprising 20 to 60 parts by weight of &agr;,&bgr;-unsaturated carboxylic acid or metal salt thereof and 5 to 70 parts by weight of &agr;,&bgr;-unsaturated carboxylic acid ester, based on 100 parts by weight of a base rubber.