1989-03-24
1990-09-11
Arnold, Bruce Y.
350109, G02B 5128, G02B 5134
Patent
active
049556908
ABSTRACT:
A thin caliper retroreflective transfer comprising a monolayer of retroreflective elements in a support layer, the back stratum of which is a vulcanizable elastomer, and a premask releasably adhered to the front surface thereof to facilitate handling of the transfer and protect the retroreflective elements during handling and application to a substrate. Also a method for making such transfers.
REFERENCES:
patent: 3382908 (1965-11-01), Palmquist et al.
patent: 3449201 (1966-10-01), Palmquist et al.
patent: 3452799 (1969-07-01), Hindin et al.
patent: 3700305 (1972-10-01), Bingham
patent: 3700478 (1972-10-01), Bingham
patent: 4192576 (1980-03-01), Tung et al.
patent: 4377988 (1983-03-01), Tung et al.
patent: 4648695 (1987-03-01), Bailey
patent: 4678695 (1987-07-01), Tung et al.
patent: 4763985 (1988-08-01), Bingham
U.S. Defense Publication No. T987,003, Oct. 1979.
Arnold Bruce Y.
Jordan Robert H.
Kachmarik Ronald M.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
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