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US 7,604,551 B2Granted
Golf ball with co-injected cover
AssigneeAcushnet Company
InventorsChristopher Cavallaro, Michael D. Jordan
Life of this patent
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Abstract
The present invention is directed towards a multi-layered golf ball cover, formed by a sandwich injection molding process, wherein the multi-layered cover comprises an inner layer, an outer layer, and an intermediate layer sandwiched between the inner and outer layers. The materials of the inner and outer layers may be the same as the intermediate layer, or they may be different with different properties. At least one of layers includes a foaming material.
Claims7
A golf ball comprising:
- a core comprising one or more layers and having an overall diameter of from 1.50 inches to 1.55 inches;
- a co-injected molded inner cover comprising an inner layer, an outer layer and an intermediate layer, and having an outer diameter of from 1.55 inches to 1.64 inches;
- wherein each of the inner layer and outer layer is formed from a first material comprising at least one polymer and including a foamed polymer;
- wherein the intermediate layer is formed from a second material comprising at least one polymer;
- and
- wherein the second material has different physical properties than the first material;
- and
- an outer cover.
5 more elements
Dependencies are inferred from the claim text.