Method of making randomly oriented cube-corner articles
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United States of America Patent
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Apr 18, 2000
Grant Date -
N/A
app pub date -
Oct 19, 1998
filing date -
Oct 19, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Retroreflective cube-corner articles having randomly oriented cube-corner elements exhibiting rotational symmetry and entrance angularity like microsphere-based sheeting but having increased retroreflective efficiency from cube-corners. The inventive sheeting may contain cube-corner elements typically of different cube-corner geometries, different cube-corner dimensions, and different central axis heights. The cube-corner elements are positioned randomly and are typically not adjacent to one another. Also, methods of making such articles are provided.
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