Golf balls consisting of a dual core and a dual cover are disclosed. The surface hardness of the outer core layer is greater than the material hardness of the inner cover layer, and is preferably 75 Shore C or greater.
申请公布号
US2012165124(A1)
申请公布日期
2012.06.28
申请号
US201213396758
申请日期
2012.02.15
申请人
SULLIVAN MICHAEL J.;LADD DEREK A.;MORGAN WILLIAM E.;BOEHM HERBERT C.
发明人
SULLIVAN MICHAEL J.;LADD DEREK A.;MORGAN WILLIAM E.;BOEHM HERBERT C.
