MULTI-LAYER CORE GOLF BALL
First Claim
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1. A golf ball comprising a core and a cover, wherein the core consists of:
- a solid inner core layer formed from a first unfoamed thermoplastic composition TP1 and having a diameter of 1.10 inch or less and a center Shore C hardness (Hcenter) of 50 or less,one or more optional intermediate core layers, andan outer core layer formed from a second thermoplastic composition TP2 and having a thickness of 0.200 inches or greater and an outer surface Shore C hardness (Houter surface) of 70 or greater,wherein Houter surface>
Hcenter, and Houter surface−
Hcenter≧
40.
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Abstract
A golf ball comprising a core and a cover, the core consisting of: a solid inner core layer formed from a first unfoamed thermoplastic composition TP1 and having a diameter of 1.10 inch or less and a center Shore C hardness (Hcenter) of 50 or less, one or more optional intermediate core layers, and an outer core layer formed from a second thermoplastic composition TP2 and having a thickness of 0.200 inches or greater and an outer surface Shore C hardness (Houter surface) of 70 or greater, wherein Houter surface>Hcenter, and Houter surface−Hcenter≧40.
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Citations
22 Claims
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1. A golf ball comprising a core and a cover, wherein the core consists of:
a solid inner core layer formed from a first unfoamed thermoplastic composition TP1 and having a diameter of 1.10 inch or less and a center Shore C hardness (Hcenter) of 50 or less, one or more optional intermediate core layers, and an outer core layer formed from a second thermoplastic composition TP2 and having a thickness of 0.200 inches or greater and an outer surface Shore C hardness (Houter surface) of 70 or greater, wherein Houter surface>
Hcenter, and Houter surface−
Hcenter≧
40.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A golf ball comprising a core and a cover, wherein the core consists of:
a solid inner core layer formed from an unfoamed thermoplastic composition and having a diameter of 1.10 inch or less and a center Shore C hardness (Hcenter) of 40 or less, one or more optional intermediate core layers, and an outer core layer formed from an thermoset composition and having a thickness of 0.200 inches or greater and an outer surface Shore C hardness (Houter surface) of 75 or greater, wherein Houter surface>
Hcenter, and Houter surface−
Hcenter≧
50.- View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
Specification