Invention Grant
- Patent Title: Golf ball
- Patent Title (中): 高尔夫球
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Application No.: US13208434Application Date: 2011-08-12
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Publication No.: US09149686B2Publication Date: 2015-10-06
- Inventor: Toshiyuki Tarao
- Applicant: Toshiyuki Tarao
- Applicant Address: JP Kobe-shi
- Assignee: DUNLOP SPORTS CO, LTD.
- Current Assignee: DUNLOP SPORTS CO, LTD.
- Current Assignee Address: JP Kobe-shi
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2010-189619 20100826
- Main IPC: A63B37/00
- IPC: A63B37/00 ; A63B37/06 ; A63B37/12 ; C08G18/10 ; C08G18/70 ; C08G18/06 ; C08G18/74

Abstract:
An object of the present invention is to provide a golf ball with an improved controllability by enhancing a dry spin rate and wet spin rate in a so-called distance type golf ball. The present invention provides a golf ball comprising a constituting member that is formed from a polyurethane composition containing, as a resin component, a polyurethane elastomer using 1,4-bis(isocyanatomethyl)cyclohexane as a polyisocyanate component, wherein the polyurethane composition has a shear loss modulus G″ of more than 5.03×106 Pa and 1.17×108 Pa or less when measured in a shear mode using a dynamic viscoelasticity measuring apparatus at the conditions of the temperature of 0° C., and the oscillation frequency of 10 Hz.
Public/Granted literature
- US20120052983A1 GOLF BALL Public/Granted day:2012-03-01
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