Method of manufacturing a spectacle lens
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 22, 2005
Issued Date -
N/A
app pub date -
Mar 25, 2002
filing date -
Jul 25, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
What is described here is a method of manufacturing a spectacle lens in which the critical thickness is to be minimized in particular, comprising the following steps of operation: initially, a spectacle lens finished on one side (blank) is manufactured with a predetermined outsides contour and a round outside contour in particular, one part is cut out from the blank, whose outside contour corresponds approximately to the contour of the spectacle lens, the cut-out part is joined with the edge part with an axial offset in such a way that the edge part serves as handle for the subsequent machining operations.
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