Patent ID: 6997693
Filing Date: 2006-02-14
Classification: B29D,Y10S

Abstract:
1. A casting mold half for producing contact lenses from a starting material, comprising: a mount; an insert, wherein the insert is arranged at one end of the mount and can be connected to the mount and has a shaping surface for the shaping of the front or rear surface of the contact lens to be produced, the insert consisting in the region of the shaping surface of a material which is permeable to an energy for crosslinking the starting material; a mask for spatially delimiting the energy for crosslinking the starting material, wherein the mask is made of a material impermeable to the energy for crosslinking the starting material, wherein the mask comprises a separate surround which is made of a material impermeable to the energy for crosslinking the starting material and which surrounds the edge region of the shaping surface of the insert, and in which a separate diaphragm is arranged within the mount.