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. 16, 2001
Filed:
May. 26, 1999
Toshiya Hase, Kanagawa, JP;
Shinya Ono, Kanagawa, JP;
The Yokohama Rubber Co.,Ltd., Tokyo, JP;
Abstract
A multi-piece solid golf ball which comprises a core consisting of an inner layer core and an outer layer core and a cover layer for covering the core, wherein the diameter of the inner layer core is 20 to 35 mm, the thickness of the outer layer core is 2 to 11 mm, the Shore D hardness (A) of the surface of the inner layer core and the Shore D hardness (B) of the surface of the outer layer core satisfy relational expressions, 15≦(A)≦50, 35≦(B)≦70 and (A)≦(B), and the cover layer is made from a resin composition comprising 50 to 90 parts by weight of an ionomer resin and 50 to 10 parts by weight of diene-based rubber. This multi-piece solid golf ball is excellent in impact resilience, flying performance, shot feeling and durability.