Road structure – process – or apparatus – Apparatus – Rotating drum – roller or tire
Patent
1976-12-22
1980-06-17
Corbin, John K.
Road structure, process, or apparatus
Apparatus
Rotating drum, roller or tire
350 97, 350103, 404 14, G02B 0000
Patent
active
042080908
ABSTRACT:
There is disclosed a reflector structure that is highly visible both in daylight and at night, the structure including a body of transparent material having a front face and a rear face, the rear face including a continuous support surface having therein a plurality of recesses each defining a cell surrounded by a support wall, a plurality of retrodirective reflector elements disposed in the recesses for reflecting light falling upon the front face back toward the source thereof to render the reflector structure highly visible at night, and a backing member covering the rear face and hermetically sealed to the support surface thus hermetically to seal each of the cells to prevent entry of water, dirt and the like thereinto so as to preserve the reflecting properties of the reflector elements.
REFERENCES:
patent: 3140340 (1964-07-01), Weber
patent: 3266371 (1966-08-01), Gunderson
patent: 3359671 (1967-12-01), Nier et al.
patent: 3924929 (1975-12-01), Holmen et al.
Amerace Corporation
Bender S. Michael
Corbin John K.
Craig Richard A.
de los Reyes B. W.
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