Golf ball

Details Golf ball Golf ball

1997-04-16

1999-01-12

Marlo, George J.

Games using tangible projectile

Golf

Ball

473377, 473384, A63B 3712, A63B 3714

Patent

active

058579249

ABSTRACT:
A golf ball has a multiplicity of dimples formed in its surface. It is assumed that the ball has a phantom sphere and spherical surface when the ball surface is free of dimples. A tangent angle .theta. is 5.degree..ltoreq..theta..ltoreq.20.degree. wherein .theta. is defined between a tangent at an arbitrary point on an edge of an individual dimple to the phantom spherical surface and a tangent at that point to the actual ball surface. A percent dimple volume Vr is 0.8%.ltoreq.Vr.ltoreq.1.1% wherein Vr is the sum of the volumes of the entire dimples divided by the volume of the phantom sphere. This dimple design prevents lowering of spin susceptibility by repetitive hits without detracting from the dimple effect of increasing flight distance.

REFERENCES:
patent: 4681323 (1987-07-01), Alaki et al.
patent: 5497996 (1996-03-01), Cadorniga
patent: 5702312 (1997-12-01), Horiuchi et al.

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