E - Fixed Constructions – 01 – F
Patent
E - Fixed Constructions
01
F
240/60
E01F 9/04 (2006.01)
Patent
CA 1088905
ABSTRACT OF THE DISCLOSURE: A road surface marking prefabricated tape material providing high nightime visibility upon selective directional retro- reflection of the light emitted by headlamps of vehicles traveling along a roadway, comprising in a factory prefabricated and assembled material adapted to be laid on in a given direction along a road- way pavement surface, a tape component adapted to form a traffic aid on the surface and having an upper face, and a plurality of protrusions distributed lengthwise along the upper face at spaced locations. Each protrusion comprises optically operating reflec- tive means designed for retroflecting an essentially narrow beam of light when impinged by essentially parallel light rays, and vehicular traffic resisting structure bulging above the upper face and including a base portion fixedly recured to the upper face and a reflective means bearing and sheltering portion wherein the reflective means are positioned for providing a retroflected beam in one predetermined direction relatively to that defined by the said tape component.
290931
Eigenmann Ludwig
Perley-Robertson Hill & Mcdougall
LandOfFree
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