Abrading – Precision device or process - or with condition responsive... – Computer controlled
Reexamination Certificate
2005-02-01
2005-02-01
Wilson, Lee D. (Department: 3723)
Abrading
Precision device or process - or with condition responsive...
Computer controlled
C451S043000, C451S010000, C451S256000
Reexamination Certificate
active
06848969
ABSTRACT:
A process of machining spectacle lenses using of a CNC spectacle lens-machining machine is provided. The process includes positioning the rough-cast lens on a holder in the spectacle lens-machining machine, machining an optical surface and/or the edge of the rough-cast lens in accordance with predetermined optical and/or shape-related values, continuously or cyclically checking the position of the rough-cast lens on the holder during machining using a sensor, and continuously or cyclically incorporating any recorded displacement of the rough-cast lens on the holder in the spectacle lens-machining values.
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Wernicke & Co. GmbH
Wilson Lee D.
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