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.

Date of Patent:
Aug. 29, 2017

Filed:

Apr. 24, 2012
Applicants:

Kazuya Kamino, Kobe, JP;

Keiji Ohama, Kobe, JP;

Inventors:

Kazuya Kamino, Kobe, JP;

Keiji Ohama, Kobe, JP;

Assignee:

DUNLOP SPORTS CO. LTD., Kobe-Shi, Hyogo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 37/06 (2006.01); A63B 37/12 (2006.01); A63B 37/00 (2006.01);
U.S. Cl.
CPC ...
A63B 37/12 (2013.01); A63B 37/0003 (2013.01); A63B 37/0031 (2013.01); A63B 37/0033 (2013.01); A63B 37/0038 (2013.01); A63B 37/0022 (2013.01);
Abstract

Golf ballof the present invention has core, coversituated on the external side of the core, and paint layerprovided to cover this cover. The base polymer of the coveris a urethane resin. The base polymer of the paint layeris a urethane resin. The coverhas a thickness Tc of 0.1 mm or greater and 0.7 mm or less. The paint layerhas a thickness Tp (mm) of 0.015 mm or greater and 0.040 mm or less. The ratio (Tp/Tc) is 0.021 or greater and 0.40 or less. Preferably, the paint layeris formed with two or more layersand. Preferably, the base polymer of the paint layeris a two-pack type urethane resin or a two-pack type epoxy resin.


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