Patent ID: 6471891
Filing Date: 2002-10-29
Classification: B29C,B29D,Y10S

Abstract:
A method of manufacturing an astigmatic contact lens, comprising the steps of:a) placing a pallet containing a first half toric lens casting cup and an information tag onto a conveyor; b) locating the pallet under a filling assembly; c) filling said first half toric lens casting cup with liquid monomer; d) locating said pallet into a closing assembly; e) communicating information from said information tag to a programmable controller; f) rotating a second half toric lens casting cup based on the information communicated to the programmable controller; g) closing said second half toric lens casting cup into said first half toric lens casting cup, thereby making a closing cup assembly; h) moving said pallet away from said closing cup assembly; and i) curing said liquid monomer.