Method and device for blocking eyeglass lenses
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United States of America Patent
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Jul 4, 2017
Issued Date -
N/A
app pub date -
Nov 23, 2012
filing date -
Nov 23, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A blocking device and a method for blocking of eyeglass lenses on blocking pieces with a base body, with a blocking piece receiver which is located on the base body for the blocking piece which is to be attached to the eyeglass lens and with a positioning unit which is located on the base body for aligning and holding the eyeglass lens which is to be blocked, the blocking piece receiver and the positioning unit can be fixed on the eyeglass lens by activation being movable relative to one another via a lifting axis, the approach motion between the positioning unit and the blocking piece receiver being limited in the direction of the lifting axis by an adjustable stop means in at least two positions.
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