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:
Mar. 11, 1997
Filed:
Oct. 12, 1995
Applicant:
Inventor:
Toshio Chikaraishi, Akishima, JP;
Assignee:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ; A63B / ; A63B / ;
U.S. Cl.
CPC ...
473365 ; 473384 ;
Abstract
A thread-wound golf ball includes a wound core (3) consisting of a center (1) and a thread rubber layer (2) thereon, and a cover (4) having a plurality of dimples (5). The core (3) wherein the thread rubber layer (2) has a thickness of 5 to 9 mm and a larger weight than the center (1) is enclosed in the cover (4) made of an ionomer resin having a thickness of 1 to 2.5 mm and a Shore D hardness of 52 to 68. The ball has an outer diameter of 42.9 to 46 mm. The total volume of dimples is 300 to 400 mm.sup.3. The ball having a relatively large diameter and an increased amount of thread rubber provides an increased flying distance and improved feeling on impact.