发明名称 POLISHING FILM FOR PLASTIC SPECTACLE LENSES
摘要 A polishing film for a polishing head for plastic spectacle lenses, for polishing zones on a front side or rear side of the spectacle lens, having a polishing surface which can be positioned against the spectacle lens and is bounded by a peripheral surface, wherein an edge is provided between the polishing surface and the peripheral surface, wherein the edge either has a radius r of at least 0.5 mm to 10 mm or has a chamfer f with an extent f1×f2, where the extent f1 or f2 is at least 0.5 mm to 10 mm, or the polishing film, when not in use, has a basic curvature G with a radius RG≧75 mm and, in addition to this, a peripheral curvature G with a radius Rg≦0.5 G, wherein the peripheral curvature g is limited to the peripheral zone, or the polishing film is formed without any basic curvature G and has a peripheral curvature g with a radius Rg≦35 mm, wherein the peripheral curvature g is limited to the peripheral zone.
申请公布号 US2015093978(A1) 申请公布日期 2015.04.02
申请号 US201314396237 申请日期 2013.04.23
申请人 SCHNEIDER GMBH & CO. KG 发明人 Schneider Gunter;Huttenhuis Stephan;Achenbach Ferdinand
分类号 B24B13/01 主分类号 B24B13/01
代理机构 代理人
主权项 1. A polishing film for a polishing head for plastic spectacle lenses for zone polishing of a front side or rear side of the spectacle lens, comprising: a polishing surface which can be positioned against the spectacle lens, being bounded by a peripheral surface, while an edge is formed between the polishing surface and the peripheral surface, wherein the edge has a radius r of at least 0.2 mm to 10 mm.
地址 Fronhausen DE