Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
Reexamination Certificate
2005-08-30
2005-08-30
Vargot, Mathieu D. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Utilizing plasma, electric, electromagnetic, particulate, or...
C249S117000, C264S002500, C425S174400, C425S808000
Reexamination Certificate
active
06936197
ABSTRACT:
A method and apparatus for making a lens includes a front mold (90) which has a reflective, UV absorptive surface, a back mold (50) which is UV light transmissive and a gasket (60) which holds the molds and defines a lens forming cavity (78) therebetween which receives polymerizable resin material (130). The resin (130) in the lens forming cavity (78) is exposed to a source of UV light (20) to cure the resin (130) and form the lens. Photochromatic coatings can be applied to the lens and cured.
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Randall Benjamin A.
Vargot Mathieu D.
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