Fiber reinforced raised pavement marker and method of making
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United States of America Patent
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Sep 16, 1997
Grant Date -
N/A
app pub date -
May 19, 1995
filing date -
May 19, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A fiber-reinforced raised pavement marker made of a composite material comprising an isotropic mixture of a polymeric material, reinforcing fibers and a filler material. The results of finite element analysis and composite technology have been combined to produce a pavement marker having high flexural strength and impact resistance without the need for an impact-resistant shell. Durable, high strength composite pavement markers are made by casting a homogenous mixture of chopped glass fibers and a filler material in a polymeric matrix. Placement of a retroreflective lens within the mold followed by pouring and curing the composite material results in a finished product upon release from the mold.
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Cited Art Landscape
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