Road structure – process – or apparatus – Apparatus – Rotating drum – roller or tire
Patent
1978-11-27
1981-02-24
Corbin, John K.
Road structure, process, or apparatus
Apparatus
Rotating drum, roller or tire
350 97, 404 14, G02B 5132
Patent
active
042524091
ABSTRACT:
A warning reflector construction is provided comprising a transparent plate having a rear surface opposite a light-entrance surface. The rear surface comprises toric surfaces arranged side-by-side and supporting an outermost reflective layer. The optical axes of the toric surfaces can be arranged at an angle to the perpendicular to the light-entrance surface. The warning reflector can be produced by injection moulding or stamping.
REFERENCES:
patent: 402930 (1899-05-01), Jacobs
patent: 3708222 (1973-01-01), Stern
patent: 3795435 (1974-03-01), Schwab
patent: 3814500 (1974-06-01), Ebenbechler
patent: 4026641 (1977-05-01), Bosserman et al.
patent: 4116540 (1978-09-01), Thomas
Corbin John K.
D. Swarovski & Co.
de los Reyes B. W.
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