Double layer pavement marking sheet material
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United States of America Patent
Stats
-
Oct 24, 1989
Grant Date -
N/A
app pub date -
Jul 8, 1988
filing date -
Jul 17, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A double layer pavement marking sheet material comprises a base sheet made of rubber, synthetic resin or the like in which a multiplicity of glass microspheres are embedded. The base sheet comprises an upper layer in which the glass microspheres are embedded in such a manner that a multiplicity thereof are partially exposed from the surface of the base sheet and a lower layer having hardness within a range of 30.degree.-75.degree. and restoration rate of 50% or less. This double layer pavement marking sheet material has such an excellent conformability to the pavement surface that the sheet material is not separated once it has been adhered to the pavement surface.
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Cited Art Landscape
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