Self-contrasting retroreflective pavement marking tapes
First Claim
1. A retroreflective pavement marking tape comprising a continuous base layer and a retroreflective top layer having a conspicuity zone and at least one contrast zone, said conspicuity zone and said contrast zone(s) being adjacent to each other and oriented substantially parallel to the longitudinal axis of said tape, said contrast zone being of a color that contrasts with said conspicuity zone color.
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Accused Products
Abstract
Retroreflective articles of the invention comprise a continuous base layer and a multi-color polymeric top layer. The invention also includes methods of making such retroreflective articles. The retroreflective articles of the invention provide excellent daytime contrast while maintaining nighttime retroreflectivity. Variously colored segments of polymer are directly and either sequentially or simultaneously coated onto a continuous backing to form a multi-colored top layer. Durability over existing multi-colored retroreflective articles is enhanced by use of a continuous base layer.
35 Citations
19 Claims
- 1. A retroreflective pavement marking tape comprising a continuous base layer and a retroreflective top layer having a conspicuity zone and at least one contrast zone, said conspicuity zone and said contrast zone(s) being adjacent to each other and oriented substantially parallel to the longitudinal axis of said tape, said contrast zone being of a color that contrasts with said conspicuity zone color.
Specification