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US 9,056,227 B2Granted
Golf ball comprising a core having a shallow hardness gradient
AssigneeAcushnet Company
InventorsBrian Comeau, Nelson Araujo, Dennis Britton
Life of this patent
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Abstract
A golf ball comprising: a core having an outer surface and a geometric center and being formed from a substantially homogenous rubber composition comprising a carbon-carbon initiator, wherein the outer surface has a hardness that differs from a hardness at the geometric center by up to about 10 Shore C; optionally an intermediate layer disposed about the core; and a cover layer disposed about the core (or intermediate layer where present).
Claims24
A golf ball comprising:
- a core having an outer surface and a geometric center and being formed from a substantially homogenous rubber composition comprising a carbon-carbon initiator;
- an intermediate layer disposed about the core;
- and
- a cover layer disposed about the intermediate layer;
- wherein the outer surface has a hardness that differs from a hardness at the geometric center by up to about 5 Shore C.
2 more elements
A golf ball comprising:
- a core having an outer surface and a geometric center and being formed from a substantially homogenous composition comprising a carbon-carbon initiator;
- an intermediate layer disposed about the core and comprising an ionomeric material;
- and
- a cover layer disposed about the intermediate layer, the cover comprising a castable polyurea or a castable polyurethane;
- wherein the outer surface has a hardness that differs from a hardness at the geometric center by up to about 5 Shore C.
2 more elements
A golf ball comprising:
- a core being formed from a substantially homogenous thermoset rubber composition comprising a carbon-carbon initiator, said core having an outer surface and a geometric center;
- a cover layer disposed about the core, said cover layer comprising an ionomer or a highly-neutralized ionomer;
- wherein the outer surface has a hardness that differs from a hardness at the geometric center by up to about 5 Shore C.
Dependencies are inferred from the claim text.