<p>A pressureless tennis ball (10) comprises a novel core (11) which is formed from a compound containing rubber and a plastomer defined as a copolymer of ethylene and one or more alkenes. <IMAGE></p>
申请公布号
EP0795345(A2)
申请公布日期
1997.09.17
申请号
EP19960120969
申请日期
1996.12.28
申请人
WILSON SPORTING GOODS COMPANY
发明人
SIMONUTTI, FRANK M.;TOLLEY. PETER R.;DILLON, WILLIAM E.;MATHENY, JERRY
