Road structure – process – or apparatus – Traffic director – Vibration inducing member
Patent
1974-03-11
1976-05-25
Byers, Nile C.
Road structure, process, or apparatus
Traffic director
Vibration inducing member
404 20, E01F 904
Patent
active
039588912
ABSTRACT:
There are described elements designed to be partially embedded and secured in a marking layer on a roadway pavement. Each element consists of an aggregate including a multiplicity of tiny hard and sharp particles, such as crystalline chips, and/or light reflective particles, such as retrocollimating glass beads, in a high cohesion resinous binder network, such as of an epoxy or a polyurethane resin. The elements are exceptionally resistant to shocks and to shearing stresses and are capable of being progressively worn off by traffic, concurrently with the wearing off of the marking layer, while their ability to improve anti-skid proper and the nighttime visibility of the marked areas is unaffected by such wearing off.
REFERENCES:
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patent: 3291011 (1966-12-01), Defregger
patent: 3418896 (1968-12-01), Rideout
patent: 3556637 (1971-01-01), Palmquist
patent: 3782843 (1974-01-01), Eigenmann
Byers Nile C.
Striker Michael J.
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