Patent ID: 6491281
Filing Date: 2002-12-10
Classification: B29C,B29D,B29L,Y10S

Abstract:
A mold assembly for forming an ophthalmic lens article, said mold assembly, comprising a first mold and a second mold, said first and second molds being assembled together to define a mold cavity therebetween having a profile corresponding to that of said ophthalmic lens article, said mold cavity being filled with a polymeric material which is polymerized to form said ophthalmic lens article,wherein at least one of said first and second molds is a resin mold formed from a resin material, a portion of at least a molding surface of said resin mold is irradiated directly with UV radiation at a wavelength within a range of 170-260 nm to provide a UV-treated surface, wherein said ophthalmic lens article is formed in said mold cavity and is held on said resin mold such that said ophthalmic lens article adheres to said UV-treated surface upon separation of said first and second molds from one another.