Cast photoluminescent devices and photoluminescent inserts for substrates
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United States of America Patent
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Jun 5, 2012
Grant Date -
Oct 22, 2009
app pub date -
Jun 30, 2009
filing date -
Mar 8, 2007
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Abstract
A non-powered path marking system comprises a substrate defining a cavity. A photoluminescent insert comprises a first resinous layer that is cast with photoluminescent particles suspended therein. Adhesive attaches the photoluminescent insert inside of the cavity. A marking device comprises a photoluminescent insert comprising N cast resinous layers, wherein N is an integer greater than or equal to one. A first one of the N cast resinous layers includes photoluminescent particles suspended therein. A fastener includes a first portion cast in the photoluminescent insert and a second portion extending outside of the photoluminescent insert.
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