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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.:

US 9533196 B1

PDFFull Text
Date of Patent:
Jan. 03, 2017

Filed:

Mar. 30, 2015

Golf ball

Applicant:

Dunlop Sports Co., Ltd., Kobe-shi, Hyogo, JP;

Inventors:

Kazuhiko Isogawa, Kobe, JP;

Kosuke Tachibana, Kobe, JP;

Toshiyuki Tarao, Kobe, JP;

Assignee:

DUNLOP SPORTS CO. LTD., Kobe-shi, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

John E Simms, Jr

Int. Cl.
CPC ...
A63B 37/12 (2006.01); A63B 37/14 (2006.01); A63B 37/00 (2006.01); C08G 18/48 (2006.01); C08G 18/66 (2006.01); C08G 18/75 (2006.01); C08G 18/78 (2006.01); C08G 18/79 (2006.01); C08G 18/10 (2006.01); C09D 175/08 (2006.01); C08G 18/32 (2006.01);
U.S. Cl.
CPC ...
A63B 37/0075 (2013.01); A63B 37/0022 (2013.01); A63B 37/0033 (2013.01); A63B 37/0037 (2013.01); A63B 37/0045 (2013.01); A63B 37/0049 (2013.01); A63B 37/0063 (2013.01); A63B 37/0076 (2013.01); C08G 18/10 (2013.01); C08G 18/3206 (2013.01); C08G 18/4854 (2013.01); C08G 18/6677 (2013.01); C08G 18/755 (2013.01); C08G 18/7831 (2013.01); C08G 18/792 (2013.01); C09D 175/08 (2013.01);
Abstract

A golf ball includes an intermediate layer, a cover, and a paint film, wherein a base resin of the paint film is a polyurethane obtained by a reaction between a polyisocyanate composition and a polyol composition containing a urethane polyol including a polyether diol with a number average molecular weight ranging from 800 to 3000 as a constituent component, and the golf ball satisfies the following requirements;≦200×−75Mp≦100>100Tm>Tc>Tp()/()>7.5()/()>2.4.[Mp, Mm and Mc represent 10% modulus (kgf/cm) of the paint film, intermediate layer and cover, respectively; Tp, Tm and Tc represent thicknesses (mm) of the paint film, intermediate layer and cover, respectively; and X represents a molar ratio (NCO/OH).]

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