Retroreflective Sheeting
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United States of America Patent
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N/A
Issued Date -
Sep 18, 2008
app pub date -
Feb 10, 2006
filing date -
Feb 10, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention provides an enclosed lens-type retroreflective sheeting comprising at least a large number of micro glass beads (3), a holding layer (2) made of a light-transmissive resin, which holds the glass beads (3), a specular reflective layer (6) to reflect incident light, and a focusing layer (4) which is composed of at least one layer of light-transmissive resin and is disposed between the glass beads (3) and the specular reflective layer (6), the sheeting being characterized in that an adhesive layer (7) is provided under the specular reflective layer (6) of the retroreflective sheeting so that the sheeting is stuck on a substrate (8) by the adhesive layer (7), and an attempt to peel the sheeting off from the substrate (8) causes interlayer peeling of the focusing layer (4) from the glass beads (3) and/or the holding layer (2), or interlayer peeling between the focusing layers and/or destruction of the focusing layer (4), leading to damage or loss in the retroreflective performance.
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