TRANSPARENT BALL WITH INSERT, AND PROCESS OF MANUFACTURE THEREOF
摘要
A transparent sphere comprised of a hardened polymeric resin has an insert provided therein. The sphere is prepared such that there is no air gap between the polymeric resin and the insert. The insert is sized to provide an apparent size of the insert which appears to be substantially the same as the diameter of the sphere and to maintain the structural integrity of the sphere under normal conditions of use of the sphere.
申请公布号
WO9805385(A1)
申请公布日期
1998.02.12
申请号
WO1997CA00528
申请日期
1997.07.24
申请人
MARBLE VISION INC.;HEADFORD, STEPHEN, J.;TREURNICHT, ILSE;REDPATH, TONY;CLARKE, TOM
发明人
HEADFORD, STEPHEN, J.;TREURNICHT, ILSE;REDPATH, TONY;CLARKE, TOM