Reflective pavement marker

Details Reflective pavement marker Reflective pavement marker

1986-06-02

1988-02-23

Leppink, James A.

Road structure, process, or apparatus

Traffic director

Attenuated lane marker type

404 16, 350103, 116 63R, E01F 906

Patent

active

047267062

ABSTRACT:
A retro-reflective roadway marker is generally comprised of a one-piece housing, having integrally molded retro-reflective faces.
The reflective faces having outside surfaces with abrasing reducing raised members and inside surfaces of light reflecting elements that are preferably formed from three mutually intersecting surfaces.
In one form the reflective elements within the housing are integrally molded with partition walls, dividing the reflective elements into small cells, each cell with a plurality of the reflective elements functioning independently without being encapsulated by the filler material.

REFERENCES:
patent: 3332327 (1967-07-01), Heenan
patent: 3516337 (1970-06-01), Gubela
patent: 3519327 (1970-07-01), Nakajima
patent: 3762825 (1973-10-01), Reusser
patent: 3822158 (1974-07-01), Hoffman et al.
patent: 3984175 (1976-10-01), Suhr et al.
patent: 4076383 (1978-02-01), Heasley
patent: 4208090 (1980-06-01), Heenan
patent: 4232979 (1980-11-01), Johnson, Jr. et al.
patent: 4340319 (1982-07-01), Johnson, Jr. et al.
patent: 4498733 (1985-02-01), Flanagan

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