US Patent 7048652 Golf ball

A golf ball of the type having a large number of convex parts projecting from the spherical surface, the convex parts assuming a round or non-round shape as viewed from above, wherein the improvement includes a large number of convex parts which are arranged such that the upper surface of the convex part has a certain radius of curvature and coincides with a hypothetical spherical surface covering the spherical surface, at least part of a large number of convex parts form a string of convex parts connected to each other through a part thereof, and the strings of convex parts form at least one great circle which is substantially continuous on the spherical surface. This golf ball is novel in appearance and excellent in flight performance.