A golf ball mold includes a pair of mold sections which are removably mated along a parting surface to define a spherical cavity by their concave surfaces. The concave surfaces are provided with a plurality of dimple-forming projections. Some dimple-forming projections are integrally formed in one mold...http://www.google.com/patents/US6123534?utm_source=gb-gplus-sharePatent US6123534 - Golf ball mold
