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:
May. 04, 2010
Filed:
Apr. 12, 2006
Applicants:
Masatoshi Yokota, Kobe, JP;
Koichi Fujisawa, Kobe, JP;
Kazuhiko Isogawa, Kobe, JP;
Inventors:
Assignee:
SRI Sports Limited, Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 37/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Golf ballhas a center, a mid layer, a reinforcing layerand a coverBase polymer of the mid layerincludes an ionomer resin as a principal component. A melting point of the resin composition is equal to or greater than 95° C. The mid layerhas a thickness of 0.5 mm or greater and 2.5 mm or less. The coverincludes a thermoplastic resin. The coverhas a nominal thickness Tc of 0.1 mm or greater and 0.9 mm or less. The mid layerhas recessed parts which correspond to dimplesIn the golf ball, the resin composition of the mid layerdoes not flow out from a seam when forming the cover