Reusable screen printing process and apparatus

Details Reusable screen printing process and apparatus Reusable screen printing process and apparatus

1991-12-09

1993-08-10

Burr, Edgar S.

Printing

Stenciling

Stencil-web machines

1011284, 101129, 101DIG48, B41L 1308

Patent

active

052339181

ABSTRACT:
A screen printing process and apparatus for automatic coating, exposing and developing of a continuous belt-type printing screen. A segment of the belt is coated with photoemulsion, then dried, selectively exposed, and developed. After drying again, the segment is wetted with ink and the developed image is transferred to paper or other medium. After transferring the image, the segment is conveyed to baths to loosen and remove both residual ink and the emulsion. The segment is then coated again, completing a cycle. The medium receiving the image is dried and then may be re-inserted to be de-inked and reused. This is accomplished by sublimation transfer. Exposure of the emulsion coating of the printing screen by a video display device such as liquid crystal, light emitting diodes or cathode ray tube is discussed.

REFERENCES:
patent: 2616961 (1952-11-01), Groak
patent: 4214522 (1980-07-01), Bille
patent: 4718340 (1988-01-01), Love

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