Layer transfer process for image production and apparatus to pre

Details Layer transfer process for image production and apparatus to pre Layer transfer process for image production and apparatus to pre

1992-01-14

1993-07-13

Mathews, A. A.

Photocopying

Contact printing

Light boxes

355 27, G03D 500

Patent

active

052278263

ABSTRACT:
Layer transfer process for image production wherein predetermined areas of the surface of an image carrier (21) are prepared to accept a color layer, the image carrier (21) and a color carrier (22) of layer transfer material are brought into mutual contact under pressure, and the color carrier is removed from the image carrier, so that color remains on the predetermined areas of the image carrier. A high uniformity of colorant application can be achieved over the entire surface of the image carrier. The process is performed by an apparatus with at least one roll nip (31) formed by two hard rolls (11, 12), preferably with different diameters, in which the two rolls are mutually offset relative to the feed direction (30) of the image carrier (21).

REFERENCES:
patent: 4304839 (1981-12-01), Cohen et al.
patent: 4356253 (1982-10-01), Buzzell
patent: 4764451 (1988-08-01), Ishikawa
patent: 4806451 (1989-02-01), Frohlich
patent: 4827312 (1989-05-01), Ogiwara et al.
patent: 4902363 (1990-02-01), Delaney et al.
patent: 4912014 (1990-03-01), Feldman
patent: 4945381 (1990-07-01), Yamagata et al.

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