Asymmetric retroreflective cube corner sheeting mold and sheeting formed therefrom
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 5, 2000
Issued Date -
N/A
app pub date -
Jun 29, 1999
filing date -
Jul 2, 1997
priority date (Note) -
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Abstract
Laminae suitable for use in a mold suitable for use in forming retroreflective sheeting and methods of making such laminae are disclosed. A representative lamina includes a single row of geometric structures disposed on the working surface. Each geometric structure includes three faces arranged as a cube corner element and at least one additional face. A set of parallel grooves is included, each groove having one of the three faces of one geometric structure and the at least one additional face of an adjacent geometric structure as groove side surfaces.
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