Multi-layer core golf ball
First Claim
Patent Images
1. A golf ball comprising a core and a cover, wherein the core has an overall diameter of from 1.40 inches to 1.62 inches and consists of:
- a center having a diameter of from 0.125 inches to 0.750 inches and a surface hardness of 80 Shore C or greater;
an intermediate core layer; and
an outer core layer having a surface hardness of 80 Shore C or greater and a specific gravity substantially the same as the specific gravity of the intermediate core layer;
wherein the intermediate core layer has a surface hardness less than the surface hardness of the center and the surface hardness of the outer core layer; and
wherein a subassembly consisting of the center and the intermediate core layer has a compression of 55 or less.
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Abstract
Golf balls consisting of a multi-layer core and a cover are disclosed. The multi-layer core consists of a small, hard center enclosed by a soft intermediate core layer and an outer core layer.
61 Citations
10 Claims
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1. A golf ball comprising a core and a cover, wherein the core has an overall diameter of from 1.40 inches to 1.62 inches and consists of:
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a center having a diameter of from 0.125 inches to 0.750 inches and a surface hardness of 80 Shore C or greater; an intermediate core layer; and an outer core layer having a surface hardness of 80 Shore C or greater and a specific gravity substantially the same as the specific gravity of the intermediate core layer; wherein the intermediate core layer has a surface hardness less than the surface hardness of the center and the surface hardness of the outer core layer; and wherein a subassembly consisting of the center and the intermediate core layer has a compression of 55 or less. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification