E - Fixed Constructions – 01 – F
Patent
E - Fixed Constructions
01
F
94/13
E01F 9/08 (2006.01) E01C 23/16 (2006.01) E01C 23/18 (2006.01) E01F 9/04 (2006.01)
Patent
CA 1268070
ABSTRACT A method is described whereby asymmetric retroreflecting elements are positioned with their hemispherical sides pointing upwards, made to agglomerate in rows and then deposited onto the road surface or onto a road-marking strip. The elements are passed over an inclined vibrating plane. Those elements with their rounded sides pointing downwards towards the plane are considered unstable and thus the majority of these elements turn over to the more stable orientation with their flat surfaces on the inclined plane. The elements are then grouped together on the surface of the plane and one or more bottom rows of the elements so grouped on the inclined plane sequentially discharged therefrom.
513435
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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