Self-contrasting retroreflective pavement marking tapes

Details Self-contrasting retroreflective pavement marking tapes Self-contrasting retroreflective pavement marking tapes

1997-07-16

2000-04-18

Pianalto, Bernard

Stock material or miscellaneous articles

Longitudinally sectional layer of three or more sections

Next to unitary sheet of equal or greater extent

427136, 4271634, 4272082, 4272084, 427261, 428332, 428413, 4284231, 428522, 428523, B32B 314

Patent

active

060512970

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.

REFERENCES:
patent: 3399607 (1968-09-01), Eigenmann
patent: 4386998 (1983-06-01), McIntyre et al.
patent: 4391856 (1983-07-01), McIntyre et al.
patent: 4575278 (1986-03-01), Whitney
patent: 4988541 (1991-01-01), Hedblom
patent: 5124178 (1992-06-01), Haenggi et al.
patent: 5223312 (1993-06-01), Langille

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