Method of making plastic molds for molding contact lenses

Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Including step of mold making

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Details

264 27, 264162, 2643281, 425808, B29D 1100

Patent

active

054568641

ABSTRACT:
An improved method for forming plastic molds for casting articles having an optical surface such as contact lenses employs a plastic tool having an optically smooth surface.

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