Printer for simultaneously forming planographic printing surface

Details Printer for simultaneously forming planographic printing surface Printer for simultaneously forming planographic printing surface

1989-01-06

1990-06-05

Crowder, Clifford D.

Printing

Planographic

Lithographic plate making, and processes of making or using...

1014501, 101467, 101453, 400120, B41C 110, B41N 112, B41M 108

Patent

active

049304178

ABSTRACT:
A printer capable of simultaneously forming planographic printing surface and printing ink images. The printer comprises a control unit, a plate feeding unit for continuously feeding a printing plate formed by coating an oil-repellent sheet with a fusible lipophilic thermal film, a plate making unit having a thermal head for locally and selectively heating lipophilic thermal film according to electric signals to remove portions of the lipophilic thermal film to make a planographic printing surface having a printing area, an inking unit having an inking roller for applying a liquid ink to the planographic printing surface of the printing plate, a transfer unit comprising a platen roller for continuously feeding a recording medium, and a pressure roller for pressing the planographic printing surface of the printing plate against the recording medium to transfer the inked pattern of the printing area to the recording medium. The control unit controls the plate feeding unit, the plate making unit, the linking unit and the transfer unit for synchronous operation so that the planographic printing surface is formed continuously while the inked pattern of the printing area of the printing plate is transferred continuously to the recording medium.

REFERENCES:
patent: 3422759 (1969-01-01), Brynko et al.
patent: 3678852 (1972-07-01), Feinleib et al.
patent: 3745235 (1973-07-01), Bestenreiner et al.
patent: 3859920 (1975-01-01), Ritzerfeld
patent: 4660051 (1987-04-01), Sasaki
patent: 4725154 (1988-02-01), Babsch
patent: 4844770 (1989-07-01), Shiraishi et al.
Camis et al., "Liquid Ink Induction Imaging System", Xerox Disclosure Journal, pp. 27-28, vol. 2, No. 2, Mar./Apr. 1977.

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