Novartis Ag

Alexander Bayer

Peter Hagmann

Axel Heinrich

Halina Heidrich

Jan Bernard

Matthias Braun

Stephan Pirl

Karsten Straube

Peter Brotzmann

The present invention relates to a mold half for making an ophthalmic lens, in particular a contact lens, wherein the mold half comprises a release sheet removably arranged on the mold surface of said mold half to separate a lens forming material from the mold surface, as well as to a method for applying a removable mold release sheet to said mold half. The mold half of the invention comprises a vacuum means to removably attach said release sheet to said mold surface, and preferably the mold half further comprises a pinch-off rim for forming the edge of said ophthalmic lens.

Mold release sheet

A drying nozzle () for drying a peripheral portion of an ophthalmic lens (CL), in particular a contact lens, comprises an inlet () for the supply of a pressurized gas and a continuous annular outlet gap () having a predetermined width (W) through which the pressurized air is capable of being supplied to the peripheral portion of the ophthalmic lens (CL).

Drying nozzle

Growing community of inventors

Niedernberg, Germany

Alexander Bayer