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. 17, 2013
Filed:
Nov. 30, 2009
Tsutomu Hirau, Kobe, JP;
Kazuhiko Isogawa, Kobe, JP;
Tsutomu Hirau, Kobe, JP;
Kazuhiko Isogawa, Kobe, JP;
SRI Sports Limited, Kobe, JP;
Abstract
A golf ballincludes a coreand a coverpositioned outside the core. The coverhas a thickness of 0.2 mm or greater and 1.0 mm or less. The coveris formed by injecting a resin composition from an injection molding machine into a mold. The product (M*V*T) of: a melt fluidity M (g/10 min) of the resin composition, which is measured at 190° C.; an injection rate V (cm/sec) of the injection molding machine; and an injection time T (sec) of the injection molding machine, is equal to or greater than 500 and equal to or less than 1000. Preferably, in the golf ball, the melt fluidity M of the resin composition is equal to or greater than 15 g/10 min and equal to or less than 100 g/10 min.