Apparatus for machining a workpiece
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United States of America Patent
Stats
-
Jan 12, 2010
Grant Date -
Sep 21, 2006
app pub date -
Apr 25, 2006
filing date -
Oct 31, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A machining apparatus includes at least one tool holder (1) and at least one cutting tool (2) that are detachably interconnected. At least one first marking (7a) is provided on the tool holder (1) and at least one further marking (7b) is provided on the cutting tool (2). When connecting the tool holder (1) to the cutting tool (2), they can be aligned with each other with the aid of the markings (7a, 7b). The machining apparatus is preferably used for machining spectacle lenses, especially progressive lenses.
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