Patent ID: 6033718
Filing Date: 2000-03-07
Classification: B05B

Abstract:
A process for applying a protective coating to a lens disc, said coating being applied to one face of said lens disc intended for attaching to a blocking adaptor, said process comprising the use of at least one tray (7) appropriate for carrying at least one lens disc, said process comprising the steps of: positioning said tray (7) carrying at least one lens disc, on a conveyor belt (9); bringing said tray (7) to a halt for a first time opposite a first sensor means (15) for detecting the presence of a lens, said first sensor means (15) being appropriate for detecting the number of lens discs carried on said tray (7); introducing said tray (7) carrying at least one lens disc, into a coating chamber (4) provided with a coating material diffusor system (11); bringing said tray (7) to a halt for at least a second time, and each time leaving one of said lens discs carried on said tray (7) opposite said diffusor system (11); spraying said coating material over the lens disc opposite said diffusor system (11); introducing said tray (7) carrying at least one lens disc into a drying section (3) that has a ventilation system (18); and subjecting said tray (7) to said ventilation system (18).