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:
Apr. 04, 2000
Filed:
Jun. 06, 1997
Applicant:
Inventors:
Kazushige Sugimoto, Shirakawa, JP;
Keiji Moriyama, Shirakawa, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Hyogo-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B / ; A63B / ; A63B / ;
U.S. Cl.
CPC ...
473373 ; 473374 ; 473354 ;
Abstract
The present invention provides a three-piece solid golf ball which is excellent in rebound performance, flight performance, durability and shot feel at the time of hitting. The present invention provides a three-piece solid golf ball which comprises a core (a) and a cover (3) formed on the core, the core having a two-layer structure of an inner layer core (1) and an outer layer core (2), wherein the inner layer core (1) has a diameter of 31 to 36 mm and a JIS-C hardness of 60 to 85 and the core (2) has a lower JIS-C hardness than the inner layer core by 5 to 25.