An apparatus and related techniques for making a golf ball with deep dimples are disclosed. The golf ball comprises a core and a cover layer, wherein the cover layer provides deep dimples that extend through the cover layer and/or into a layer or component underneath are disclosed. At least one percent...http://www.google.co.uk/patents/US7033157?utm_source=gb-gplus-sharePatent US7033157 - Process and apparatus for producing a golf ball with deep dimples
