Mold separation method and apparatus

Details Mold separation method and apparatus Mold separation method and apparatus

1994-06-10

1998-12-15

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

264 406, 264334, 425144, 425156, 425157, 425443, 425808, B29D 1100

Patent

active

058501070

ABSTRACT:
An apparatus for separating individual contact lens mold assemblies, the assemblies each being a front curve mold half and a back curve mold half, each mold half having annular circumferential flanges, is included. The apparatus includes a device for applying steam to the back curve mold half to form a temperature gradient from the front mold half to the back mold half. The apparatus also includes a second device to pry the mold halves apart.

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