Multi-layer golf ball having velocity gradient from faster center to slower cover
First Claim
1. A multi-layer golf ball comprising a center, a cover layer, and at least two intermediate layers between the center and the cover layer,wherein each subassembly of the golf ball has a combined coefficient of restitution value of CORC for the center, CORC1 for a first subassembly with a first intermediate layer adjacent to the center, CORC2 for a second subassembly with a second intermediate layer adjacent to the first intermediate layer and CORC3 for the ball including the cover layer, andCORC≧
- CORC1+0.004;
CORC1≧
CORC2+0.004;
CORC2≧
CORC3+0.004, andwherein CORC is at least 0.815.
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Abstract
The present invention is directed to multi-layer golf balls having a center, a cover layer, and at least one intermediate layer between the core and the cover layer. The core, the at least one intermediate layer and the cover are constructed to have different initial velocities and COR such that the gradient of the initial velocities and COR progress from a faster center to a slower cover.
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Citations
11 Claims
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1. A multi-layer golf ball comprising a center, a cover layer, and at least two intermediate layers between the center and the cover layer,
wherein each subassembly of the golf ball has a combined coefficient of restitution value of CORC for the center, CORC1 for a first subassembly with a first intermediate layer adjacent to the center, CORC2 for a second subassembly with a second intermediate layer adjacent to the first intermediate layer and CORC3 for the ball including the cover layer, and CORC≧ - CORC1+0.004;
CORC1≧
CORC2+0.004;
CORC2≧
CORC3+0.004, andwherein CORC is at least 0.815. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- CORC1+0.004;
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8. A multi-layer golf ball comprising a center, a cover layer, and at least two intermediate layers between the center and the cover layer,
wherein each subassembly of the golf ball has a combined coefficient of restitution value of CORC for the center, CORC1 for a first subassembly with a first intermediate layer adjacent to the center, CORC2 for a second subassembly with a second intermediate layer adjacent to the first intermediate layer and CORC3 for the ball including the cover layer, and CORC≧ - CORC1+0.004;
CORC1≧
CORC2+0.004;
CORC2 ≧
CORC3+0.004, andwherein CORC is at least 0.815, and wherein the change in coefficient of restitution from one subassembly to the next larger assembly per the thickness of the next larger subassembly is at least 0.00015 per thousandth of an inch. - View Dependent Claims (9, 10, 11)
- CORC1+0.004;
Specification