Photocopying – Contact printing – Light boxes
Patent
1990-04-16
1991-06-11
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
430126, G03G 1516, G03G 1316
Patent
active
050236687
ABSTRACT:
An automated lamination system for transferring an image to a print medium includes a photoconductive drum bearing a toned image on an electrostatic outer surface thereof. A dual purpose, heated lamination roller is moved to a first lamination position adjacent the drum to define a first nip between the drum and roller. The first nip in part defines a path for an image transfer web, and forces a thermally activated adhesive layer on the web against the drum. The image on the drum surface is embedded in the heated and softened adhesive layer as the web is advanced under pressure through the first nip. The dual purpose roller is later moved to a second lamination position adjacent a second lamination roller, to define a second nip therebetween. The second nip is configured to receive an image transfer substrate in registry with the latent image embedded in the adhesive of the web. The substrate and web are advanced through the second nip under heat and pressure, which forces the substrate against the adhesive layer and causes the substrate to adhere to the adhesive. A separation roller assembly spaced from the second nip along the path separates the web from the substrate so that the image embedded in the adhesive layer is borne by the image transfer substrate. The substrate is further processed through an optional inline deglossing station, while the web is rewound to align the remaining adhesive thereon with the drum for the transfer of another image.
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Dower William V.
Kluy Dennis J.
Marty John L.
Zwadlo Gregory L.
Minnesota Mining and Manufacturing
Pendegrass Joan H.
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