Process for preparing printed sheets with optical effects

Details Process for preparing printed sheets with optical effects Process for preparing printed sheets with optical effects

1992-08-03

1994-06-07

Owens, Terry J.

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

427162, 427270, 427278, 101 31, 101 32, B05D 306

Patent

active

053188071

ABSTRACT:
A process for printing a sheet with selected optical effects includes printing on the sheet by conventional printing a pattern or design, thereafter coating at least part of the design with a resin, thermoplastic lacquer or other transparent material which impregnates the surface of the sheet and then engraving the selected area by applying pressure and heat to produce optical effects; the resin that is applied is polymerizable by ultraviolet rays from within a transparent calendar used for the engraving and is polymerized at the same time as the engraving is effected.

REFERENCES:
patent: 4920039 (1990-04-01), Fotland et al.
patent: 5003915 (1991-04-01), D'Amato et al.
patent: 5116548 (1992-05-01), Mallik et al.
patent: 5164227 (1992-11-01), Miekka et al.

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