Coating processes – Coating pavement or the earth
Patent
1997-05-07
1998-06-09
Bell, Janyce
Coating processes
Coating pavement or the earth
427137, 4271634, 427258, 427270, 4273855, 4274071, 4274121, E01C 1124
Patent
active
057630003
ABSTRACT:
A pavement marking and a method of making a pavement marking, where retroreflectivity and skid-resistance can be independently controlled while making efficient use of the optical elements and skid-resistant particles. One illustrative embodiment includes two topcoats on a base sheet having first and second major surfaces, the first major surface having a plurality of protuberances located thereon which are separated by valleys. A first topcoat is attached to the first major surface of the base sheet and a second topcoat is selectively located on the protuberances. A first mixture of optical elements and/or skid-resistant particles is attached to, e.g., partially embedded in, the first topcoat and a second mixture of optical elements and/or skid-resistant particles is attached to, e.g., partially embedded in, the second topcoat.
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Bell Janyce
Jordan Robert H.
Minnesota Mining and Manufacturing Company
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