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. 28, 1997
Filed:
Sep. 06, 1994
Applicant:
Inventors:
Mikio Yamada, Kobe, JP;
Tadahiro Ebisuno, Nishinomiya, JP;
Keiji Moriyama, Akashi, JP;
Kazushige Sugimoto, Akashi, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Hyogo-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
473354 ;
Abstract
Disclosed is a thread wound golf ball which includes a liquid center composed of a rubber bag containing a liquid, a rubber thread layer provided on the outside of the liquid center and a cover for covering the rubber thread layer, wherein the moment of inertia measured at 23.degree. C. of the golf ball is 75 to 80 g.multidot.cm.sup.2 and the rate of increase of a moment of inertia measured at -30.degree. C. to that measured at 23.degree. C. is within 2%.