Road structure – process – or apparatus – Traffic director – Attenuated lane marker type
Patent
1990-02-05
1991-10-29
Britts, Ramon S.
Road structure, process, or apparatus
Traffic director
Attenuated lane marker type
404 9, G08B 500
Patent
active
050611143
ABSTRACT:
A reflective pavement marker of the type having a shell-like housing of synthetic resin or other moldable material with a reflective end wall of light transmitting material with a filler of epoxy or other potting material. The reflective end wall is formed with retro-directive reflective elements of cube corner type. The end wall is dished so that light rays reflect from the array of cube corner reflective elements and converge to enhance the candle power of the reflective light. Also disclosed is a method and apparatus for making the device.
REFERENCES:
patent: 3332327 (1967-07-01), Heenan
patent: 3409344 (1968-11-01), Balint
patent: 3758191 (1973-09-01), Hedgewick
patent: 4234265 (1980-11-01), Otis
patent: 4340319 (1982-07-01), Johnson, Jr. et al.
patent: 4726706 (1988-02-01), Attar
Britts Ramon S.
Pac-Tec, Inc.
Spahn Gay Ann
LandOfFree
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