Thin, thermoset, polyurethane-covered golf ball with a dual core
First Claim
1. A golf ball comprising:
- a core comprising a center having an outer diameter from about 0.375 inches to about 1.4 inches and deflection of greater than about 4.5 mm under a load of 100 kg and an outer core layer having an outer diameter of from about 1.4 inches to about 1.62 inches, wherein the center and core layer are formed from a polybutadiene rubber composition comprising a halogenated organosulfur compound or a metal salt thereof, and a cover comprising an inner cover layer having an outer diameter of greater than about 1.58 inches and a material hardness of less than about 72 Shore D and an outer cover layer having a hardness of greater than about 50 Shore D and a material hardness of less than about 50 Shore D;
wherein the outer cover layer comprises a polyurea composition.
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Accused Products
Abstract
A golf ball comprising a core including a center having an outer diameter from about 0.375 inches to about 1.4 inches and deflection of greater than about 4.5 mm under a load of 100 Kg and an outer core layer having an outer diameter of from about 1.4 in to about 1.62 in, wherein at least one of the center or core layer includes polybutadiene rubber composition including a halogenated organosulfur compound or a metal salt thereof, and a cover including an inner cover layer having an outer diameter of greater than about 1.58 in and a material hardness of less than about 72 Shore D and an outer cover layer having a hardness of greater than about 50 Shore D and a material hardness of less than about 50 Shore D.
134 Citations
20 Claims
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1. A golf ball comprising:
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a core comprising a center having an outer diameter from about 0.375 inches to about 1.4 inches and deflection of greater than about 4.5 mm under a load of 100 kg and an outer core layer having an outer diameter of from about 1.4 inches to about 1.62 inches, wherein the center and core layer are formed from a polybutadiene rubber composition comprising a halogenated organosulfur compound or a metal salt thereof, and a cover comprising an inner cover layer having an outer diameter of greater than about 1.58 inches and a material hardness of less than about 72 Shore D and an outer cover layer having a hardness of greater than about 50 Shore D and a material hardness of less than about 50 Shore D;
wherein the outer cover layer comprises a polyurea composition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A golf ball comprising:
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a core comprising a solid center having an outer diameter from about 0.375 inches to about 1.4 inches and deflection of greater than about 4.5 mm under a load of 100 kg and an outer core layer having an outer diameter of from about 1.4 inches to about 1.62 inches, and a cover comprising an inner cover layer having an outer diameter of greater than about 1.58 inches and a material hardness of less than about 72 Shore D and an outer cover layer comprising polyurea and having a hardness of greater than about 50 Shore D and a material hardness of less than about 50 Shore D wherein the center and core layer comprise polybutadiene rubber composition comprising a halogenated organosulfur compound or a metal salt thereof. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A golf ball comprising:
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a core comprising a solid center having an outer diameter from about 0.375 inches to about 1.4 inches and deflection of greater than about 4.5 mm under a load of 100 kg and an outer core layer having an outer diameter of from about 1.4 inches to about 1.62 inches, wherein the center and core layer comprise a polybutadiene rubber composition comprising pentachlorothiophenol or the metal salt thereof, and wherein the metal salt is selected from the group consisting of zinc, calcium, magnesium, sodium, and lithium, and a cover comprising an inner cover layer having an outer diameter of greater than about 1.58 inches and a material hardness of less than about 72 Shore D and an outer cover layer comprising polyurea and having a hardness of greater than about 50 Shore D and a material hardness of less than about 50 Shore D, at least one of the inner or outer cover layers having a thickness of less than about 0.05 inches.
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20. A golf ball comprising:
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a core comprising a solid center having a first hardness, an outer diameter from about 0.375 inches to about 1.4 inches, and a deflection of greater than about 4.5 mm under a load of 100 kg, and an outer core layer having a second hardness and an outer diameter of from about 1.4 inches to about 1.62 inches, wherein the center and core layer comprise a polybutadiene rubber composition comprising pentachlorothiophenol or the metal salt thereof, and wherein the metal salt is selected from the group consisting of zinc, calcium, magnesium, sodium, and lithium; and
a cover comprising an inner cover layer having a third hardness, an outer diameter of greater than about 1.58 inches, and a material hardness of less than about 72 Shore D, and an outer cover layer comprising polyurea and having a fourth hardness of less than about 50 Shore D, at least one of the inner or outer cover layers having a thickness of less than about 0.05 inches;
wherein the second hardness is greater than the first, the third hardness is greater than the second hardness, and the fourth hardness is less than the third hardness.
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Specification