Golf ball which includes fast-chemical-reaction-produced component and method of making same
First Claim
Patent Images
1. A golf ball comprising:
- a core; and
a cover disposed about said core;
wherein the cover comprises a fast reacting aliphatic-based polyurethane and/or polyurea material, wherein said fast reacting aliphatic-based polyurethane and/or polyurea material has a reaction time of less than two minutes at processing conditions, and wherein the cover material is transparent to visible light.
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Abstract
Disclosed herein is a golf ball having a cover composed of a transparent reaction injection molded polyurethane material. The cover is transparent to visible light and allows for viewing of a core or boundary layer. The core or boundary layer may have a visually appealing color. Further, an indicia may be printed on a surface of the core or boundary layer, and the indicia is visible through the cover material.
58 Citations
19 Claims
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1. A golf ball comprising:
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a core; and
a cover disposed about said core;
wherein the cover comprises a fast reacting aliphatic-based polyurethane and/or polyurea material, wherein said fast reacting aliphatic-based polyurethane and/or polyurea material has a reaction time of less than two minutes at processing conditions, and wherein the cover material is transparent to visible light. - View Dependent Claims (2, 3, 4, 5)
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6. A golf ball comprising:
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a core; and
a cover formed over the core, the cover composed of a fast chemical reaction material formed from reactants comprising 1,6, hexamethylene-diisocyanate and a polytetramethylene ether glycol;
wherein the cover has a thickness ranging from 0.010 inch to 0.044 inch and wherein the cover material is transparent to visible light. - View Dependent Claims (7, 8, 9)
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10. A golf ball comprising:
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a core comprising a polybutadiene mixture;
a boundary layer formed over the core; and
a cover formed over the core, the cover composed of a fast chemical reaction aliphatic polyurethane material formed from reactants comprising a diisocyanate and a polyol blend, wherein the fast chemical reaction aliphatic polyurethane material has a Shore D hardness ranging from 30 to 60 as measured according to ASTM-D2240, a thickness ranging from 0.010 inch to 0.044 inch, and is transparent to visible light.
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11. A golf ball comprising:
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a core; and
a cover formed over the core, the cover composed of a fast chemical reaction aliphatic polyurethane material formed from reactants comprising a polytetramethylene ether glycol terminated 4,4′
-diphenylmethane diisocyanate polyurethane prepolymer and a curative;
wherein the cover has an aerodynamic surface geometry thereon, and wherein the cover is transparent to visible light. - View Dependent Claims (12)
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13. A golf ball comprising:
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a core comprising a polybutadiene mixture, the core having a diameter ranging from 1.35 inches to 1.64 inches and having a PGA compression ranging from 40 to 100;
a boundary layer formed over the core, the boundary layer composed of a blend of ionomer materials, the boundary layer having a thickness ranging from 0.020 inch to 0.075 inch, the blend of ionomer materials having a Shore D hardness ranging from 50 to 75 as measured according to ASTM-D2240; and
a cover formed over the boundary layer, the cover composed of a fast chemical reaction aliphatic polyurethane material formed from reactants comprising a polytetramethylene ether glycol terminated 4,4′
-diphenylmethane diisocyanate polyurethane prepolymer and a polyol, wherein the aliphatic polyurethane material has a Shore D hardness ranging from 30 to 60 as measured according to ASTM-D2240, a thickness ranging from 0.015 inch to 0.044 inch, an aerodynamic surface geometry thereon, and wherein the cover material is transparent to visible light. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A golf ball comprising:
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a core comprising a polybutadiene mixture;
a boundary layer formed over the core; and
a cover formed over the core, the cover composed of a fast chemical reaction aliphatic polyurethane material formed from reactants comprising 1,6, hexamethylene-diisocyanate and a polytetramethylene ether glycol;
wherein the cover material is transparent to visible light.
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Specification