Retroreflective pavement marker

Details Retroreflective pavement marker Retroreflective pavement marker

1988-06-30

1989-10-24

Massie, IV, Jerome W.

Road structure, process, or apparatus

Traffic director

Attenuated lane marker type

404 14, 350102, E01F 906

Patent

active

048757985

ABSTRACT:
A raised retroreflective pavement marker that provides both improved retroreflectivity and longer life has a rigid opaque, synthetic resin body having at its front face septa to which a plastic cube-corner reflector has been bonded to provide a plurality of hermetically sealed cells beneath the reflector. This pavement marker differs from those on the market in that the thickness of its reflector is less than 2 mm, and it has preferably at least 500 cube-corner elements per cm.sup.2.

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patent: 4428320 (1984-01-01), Oplt
patent: 4498733 (1985-02-01), Flanagan
patent: 4588258 (1986-05-01), Hoopman

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