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Publication of BE657970ApublicationCriticalpatent/BE657970A/xx
G02B5/126—Reflex reflectors including curved refracting surface
G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
E—FIXED CONSTRUCTIONS
E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
E01F9/524—Reflecting elements specially adapted for incorporation in or application to road surface markings