US 7,320,648 B2 | ||
Golf ball | ||
Thomas J. Kennedy, III, Wilbraham, Mass. (US); Mark L. Binette, Ludlow, Mass. (US); and Vincent J. Simonds, Brimfield, Mass. (US) | ||
Assigned to Callaway Golf Company, Carlsbad, Calif. (US) | ||
Filed on Jan. 27, 2006, as Appl. No. 11/275,781. | ||
Application 11/275781 is a continuation in part of application No. 11/152446, filed on Jun. 13, 2005, abandoned. | ||
Application 11/152446 is a continuation of application No. 09/877600, filed on Jun. 08, 2001, granted, now 6,905,424. | ||
Application 09/877600 is a continuation of application No. 09/411690, filed on Oct. 01, 1999, granted, now 6,290,614. | ||
Application 09/411690 is a continuation in part of application No. 09/040798, filed on Mar. 18, 1998, granted, now 6,855,073. | ||
Prior Publication US 2006/0084528 A1, Apr. 20, 2006 | ||
Int. Cl. A63B 37/08 (2006.01) |
U.S. Cl. 473—354 | 1 Claim |
1. A golf ball comprising:
a liquid core comprising a substantially spherical shell defining a hollow interior region and a liquid disposed within the
hollow interior of the shell, the liquid comprising glycerine, where the shell can be one or more layers, the shell having
at least one layer having a thickness ranging from 0.120 inch to 0.250 inch and comprising a blend of a high acid ionomer
and a low acid ionomer wherein the high acid ionomer has an acid content greater than 16 weight percent acid and the low acid
ionomer has an acid content of 16 weight percent or less, the core having a diameter ranging from 1.40 inches to 1.60 inches;
and
a cover layer disposed about the core, the cover layer comprising a material selected from the group consisting of reaction-injection-molded
polyurethane, reaction-injection-molded polyurethane/polyurea, reaction-injection-molded polyurea, and combinations thereof,
wherein the cover layer has a thickness of from about 0.005 inch to about 0.100 inch and a flex modulus of 40 to 90 Kpsi.
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