Low profile pavement marker

Details Low profile pavement marker Low profile pavement marker

1990-10-17

1992-04-14

Bagnell, David J.

Road structure, process, or apparatus

Traffic director

Attenuated lane marker type

359531, 359534, E01F 906, G02B 5126

Patent

active

051042568

ABSTRACT:
A low profile pavement marker (30) for bonding to a pavement with an adhesive for marking traffic lanes and areas is described. The marker has a smooth upper reflective surface (36) which scatters overhead light in all horizontal directions for daytime visibility and a vertical retroreflective strip (42) for reflecting incident light to its source for nightime visibility. The marker (30) has a lip bonded to its base (34) to keep the pavement adhesive away from the retroreflective strip (42) which allows the strip to be located adjacent to the pavement. This, in turn, allows for the low profile and the optimal vertical placement of the retroreflective strip (42). A visor (46) extends smoothly outward from the upper surface (36) and protects the retroreflective strip (42) from tire abrasion. A clear coating (44) protects the retroreflective strip (42) from moisture and ultraviolet radiation. Other embodiments are also provided.

REFERENCES:
patent: 3499371 (1970-09-01), Jonnes et al.
patent: 3922066 (1975-11-01), Schaefer
patent: 4428320 (1984-01-01), Oplt et al.
patent: 4753548 (1988-06-01), Forrer

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