Textile printing process

Details Textile printing process Textile printing process

D - Textiles, Paper

06

P

8/115, 101/43, 1

D06P 1/00 (2006.01) B41M 1/14 (2006.01) B41M 3/12 (2006.01) D06P 5/24 (2006.01) G03F 3/04 (2006.01) G03F 3/10 (2006.01) G03F 7/00 (2006.01)

Patent

CA 1057117

Abstract of the Disclosure An offset process for multiple color printing in ink dyes of an original pattern to a true likeness is disclosed. The process comprises the steps of copying the pattern photo- graphically through color filter lenses to produce separate negatives in each of the respective colors desired, regulating exposure and developing variables for the separate negatives to achieve selected film emulsion densities on the respective negatives, the densities being reduced from a standard balanced negatives to define an out-of-balance negative, projecting the out-of-balance negatives through a halftone screen for uniformly dividing the pattern into a plurality of dots corresponding in sizes to the intensity of light transmission through the film emulsion to form respective halftone positive dot patterns, photoengraving each of the halftone positive dot patterns respectively on a corresponding lithographic plate, and printing the dot patterns respectively on a transfer medium corresponding to that on the lighograph plates by depositing ink dyes in the respective colors from each of the plates. Also disclosed is an article of manufacture comprising a transfer medium having an out-of-balance dot pattern produced by the process just described, and formed thereon with superimposed sublimable ink beads in registration, the ink beads being heat- transferable onto a textile fabric for producing a continuous tone pattern.

242053

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