Method and apparatus for edging an optical lens
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United States of America Patent
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Oct 1, 1991
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N/A
app pub date -
Aug 30, 1989
filing date -
Aug 30, 1989
priority date (Note) -
Expired
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Abstract
A three axis, computer controlled apparatus for edging optical lenses maps the surfaces of a lens blank along a path defining the shape of the lens to be cut from the lens blank and from which mapping a computer controlled cutting algorithm directs the movement of the lens in the R, Z and theta axes direction. The apparatus provides rough cuts, finished cuts and automatic placement of bevels and grooves along the edge of the lens with minimal operator intervention.
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