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US 10,207,154 B1Granted
Sprayed polyurea covered golf ball
AssigneeCallaway Golf Company
InventorHong G. Jeon
Life of this patent
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Abstract
A golf ball with a cover formed by spraying is disclosed herein. In the present invention, a mixture of a low viscous diisocyanate component and a diamine free of organic solvent are sprayed onto a mantle insert to form a cover layer for a golf ball. A rapid reaction occurs and a solid layer forms within ten seconds. The polyurea material is extremely durable so that the cover layer performs with excellent shear cut durability.
Claims3
A golf ball comprising:
- a core;
- a mantle layer having a surface comprising a plurality of dimples;
- and
- a cover layer formed of a sprayed polyurea on the plurality of dimples of the surface of the mantle layer, the cover layer having a thickness ranging from 0.010 inch to 0.040 inch.
1 more element
Dependencies are inferred from the claim text.