Pin based method of precision diamond turning to make prismatic mold and sheeting
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United States of America Patent
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Jun 18, 2013
Grant Date -
Oct 15, 2009
app pub date -
Apr 9, 2008
filing date -
Apr 9, 2008
priority date (Note) -
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Abstract
A system, and corresponding method for use, for providing a mass-producible retroreflective material, or sheeting, featuring full cube corner pins is presented. The full cube corner shaping may be provided with the use of a diamond turning tool. The diamond turning tool may be used to simultaneously manufacture a number of pins. The pins may be used to form a mold featuring a triangular or full cube corner surface formation.
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