发明名称 METHOD OF SEPARATING EXCESS LENS FORMING MATERIAL FROM A MOLDED OPHTHALMIC LENS, IN PARTICULAR A CONTACT LENS
摘要 There is described a method of separating excess lens forming material from a molded ophthalmic lens, in particular a contact lens. After polymerization and/or cross-linking of a lens forming material (P) within a mold cavity (4) of a mold (1) comprising female and male mold halves (2, 3) to form an ophthalmic lens non-polymerized and/or non-cross-linked lens forming material is flushed away from the mold halves (2, 3) with a jet of a fluid flushing medium, such as, e.g., water or a solvent or an inert gas. Subsequently the molded lens is dried. In accordance with the invention the flushing is accomplished with the mold halves (2, 3) still in the closed position. There is also described an apparatus for carrying out the method.
申请公布号 US2014199425(A1) 申请公布日期 2014.07.17
申请号 US201414216946 申请日期 2014.03.17
申请人 Novartis AG 发明人 Heinrich Axel;Seiferling Bernhard;Hagmann Peter
分类号 B29D11/00 主分类号 B29D11/00
代理机构 代理人
主权项
地址 Basel CH
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