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:
Dec. 09, 2003
Filed:
Mar. 24, 2000
Applicant:
Inventors:
Hisashi Yamagishi, Chichibu, JP;
Yutaka Masutani, Chichibu, JP;
Takashi Maruko, Chichibu, JP;
Atsushi Nakamura, Chichibu, JP;
Assignee:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B 3/700 ; C08J 5/00 ;
U.S. Cl.
CPC ...
A63B 3/700 ; C08J 5/00 ;
Abstract
In connection with a golf ball comprising a core, an intermediate resin layer, and a cover, the invention provides a mold having a cavity wall defining a spherical cavity, wherein the core is placed in the cavity to define a space for molding the resin layer. The cavity wall is provided with a plurality of radially extending projections, the total cross-sectional area of the projections relative to the cavity wall and the total volume of the projections relative to the space volume are properly controlled.