Abrading – Precision device or process - or with condition responsive... – Computer controlled
Reexamination Certificate
2008-03-31
2010-06-08
Rachuba, Maurina (Department: 3727)
Abrading
Precision device or process - or with condition responsive...
Computer controlled
C451S008000, C451S042000, C700S164000
Reexamination Certificate
active
07731565
ABSTRACT:
In an eyeglass lens processing apparatus for beveling a peripheral edge of an eyeglass lens, if the high curve lens processing mode is selected by the mode selector, a computing unit acquires a high curve bevel path for locating the bevel apex on a front surface curve of the eyeglass lens or for locating the bevel apex at a position shifted by a predetermined quantity from the front surface curve toward the rear side on the basis of the edge position information acquired by the edge position detector, thereby providing high curve beveling data for the rear surface beveling grindstone, or for the front surface and rear surface beveling grindstones; and a beveling controller bevels the peripheral edge of the eyeglass lens by the rear surface beveling grindstone, or by the front surface and rear surface beveling grindstones on the basis of the high curve beveling data.
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Extended European Search Report dated Jul. 11, 2008.
Obayashi Hirokatsu
Shibata Ryoji
Nidek Co. Ltd.
Rachuba Maurina
Sughrue & Mion, PLLC
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