Road structure – process – or apparatus – Traffic director – Vibration inducing member
Patent
1994-05-20
1995-05-23
Neuder, William P.
Road structure, process, or apparatus
Traffic director
Vibration inducing member
359536, 359531, G02B 5124
Patent
active
054175151
ABSTRACT:
A retroreflective article and a method for making same are taught. The retroreflective article comprises transparent microspheres and both specular and diffuse reflective pigments dispersed in a binder layer. The utilization of both types of pigments results in improved retroreflectivity over a greater range of entrance angles than if only one or the other pigment alone were used.
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Hachey Kathleen A.
Hedblom Thomas P.
May David C.
Griswold Gary L.
Jordan Robert H.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Neuder William P.
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