Golf ball dimple profile
A golf ball having dimples with cross-sectional profile shapes defined by the product of a base profile and one or more weighting functions, where at least two dimples are modified with a continuous weighting function having different base profiles is disclosed.
1. A golf ball comprising a plurality of recessed dimples on the surface thereof, wherein at least a first dimple has a non-spherical cross-sectional profile and a chord depth range from 0.006 inches to 0.016 inches, where the non-spherical cross-sectional profile is defined by a weighted function, wherein the weighted function is the multiplication of a spherical base profile function g(x) and at least one weighting function w(x) and at least a second dimple has a non-spherical cross-sectional profile and a chord depth range from 0.006 inches to 0.016 inches, where the non-spherical cross-sectional profile is defined by a weighted function, wherein the weighted function is the multiplication of a conical base profile function g(x) and at least one weighting function w(x), wherein at least the first and second dimples of the golf ball have base dimple profiles modified using a pure weighting method, wherein
f ( x )= g ( x )* w ( x )
wherein the weighting function w(x) is continuous and applied from the dimple center at x=0 to the dimple perimeter at x=d/2 where d is the dimple diameter, and g(x) and f(x) are equal at x=d/2.
2. The golf ball of claim 1 , wherein at least a third additional dimple has a non-spherical cross-sectional profile and a chord depth range from 0.006 inches to 0.016 inches, where the non-spherical cross-sectional profile is defined by a weighted function, wherein the weighted function is the multiplication of a catenary base profile function g(x) and at least one weighting function w(x).
3. The golf ball of claim 1 , wherein each dimple cross-section is defined by weighting functions.
4. The golf ball of claim 1 , wherein the number of dimples using the first weighted base profile is equal to the number of dimples using the second weighted base profile.
5. The golf ball of claim 1 , wherein the number of dimples using the first weighted base profile and the number of dimples using the second weighted base profile are not equal to each other.
6. The golf ball of claim 1 , further comprising one or more dimples having cross-sections not defined by a weighting function.
7. A golf ball comprising a plurality of recessed dimples on the surface thereof, wherein at least a first dimple has a non-spherical cross-sectional profile and a chord depth range from 0.006 inches to 0.016 inches, where the non-spherical cross-sectional profile is defined by a weighted function, wherein the weighted function is the multiplication of a spherical base profile function g(x) and at least one weighting function w(x) and at least a second dimple has a non-spherical cross-sectional profile and a chord depth range from 0.006 inches to 0.016 inches, where the non-spherical cross-sectional profile is defined by a weighted function, wherein the weighted function is the multiplication of a catenary base profile function g(x) and at least one weighting function w(x), wherein the at least first and second dimples of the golf ball have a base dimple profile modified using a pure weighting method, wherein
f ( x )= g ( x )* w ( x )
wherein the weighting function w(x) is continuous and applied from the dimple center at x=0 to the dimple perimeter at x=d/2 where d is the dimple diameter, and g(x) and f(x) are equal at x=d/2.
8. The golf ball of claim 7 , wherein each dimple cross-section is defined by a weighting function.
9. The golf ball of claim 7 , wherein the number of dimples using the first weighted base profile is equal to the number of dimples using the second weighted base profile.
10. The golf ball of claim 7 , wherein the number of dimples using the first weighted base profile is not equal to the number of dimples using the second weighted base profile.
11. The golf ball of claim 7 , further comprising one or more dimples having cross-sections not defined by a weighting function.
12. A golf ball comprising a plurality of recessed dimples on the surface thereof, wherein at least a first dimple has a non-spherical cross-sectional profile and a chord depth range from 0.006 inches to 0.016 inches, where the non-spherical cross-sectional profile is defined by a weighted function, wherein the weighted function is the multiplication of a catenary base profile function g(x) and at least one weighting function w(x) and at least a second dimple has a non-spherical cross-sectional profile and a chord depth range from 0.006 inches to 0.016 inches, where the non-spherical cross-sectional profile is defined by a weighted function, wherein the weighted function is the multiplication of a conical base profile function g(x) and at least one weighting function w(x), wherein the at least first and second dimples of the golf ball have a base profile modified using a pure weighting method, wherein
f ( x )= g ( x )* w ( x )
wherein the weighting function w(x) is continuous and applied from the dimple center at x=0 to the dimple perimeter at x=d/2 where d is the dimple diameter, and g(x) and f(x) are equal at x=d/2.
13. The golf ball of claim 12 , wherein each dimple cross-section is defined by a weighting function.
14. The golf ball of claim 12 , wherein the number of dimples using the first weighted base profile is equal to the number of dimples using the second weighted base profile.
15. The golf ball of claim 12 , wherein the number of dimples using the first weighted base profile is not equal to the number of dimples using the second weighted base profile.
16. The golf ball of claim 12 , further comprising one or more dimples having cross-sections not defined by a weighting function.