Printing – Embossing or penetrating – Special-article machines
Patent
1978-10-13
1980-10-14
Eickholt, Eugene H.
Printing
Embossing or penetrating
Special-article machines
101DIG13, 101154, 101170, 346101, 346153, B41F 900, G02B 530
Patent
active
042274524
ABSTRACT:
A printing machine comprising a cylindrical applicator has a spiral groove formed on the peripheral surface and is rotatable. A doctor blade used to wipe away excess ink and to insure adequate ink in the grooves. Electrodes are provided opposite the groove and paper is fed at a speed slower than the rotating peripheral speed of the applicator. A voltage related to the character to be printed is sequentially fed to the opposite electrodes to attract ink in the groove with the paper and print the character. In another embodiment a plurality of applicators are used with each applicator having a counter electrode having a stylus electrode array. As voltages are applied to the array the ink in the adjacent groove swells and contacts the paper. The voltages are staggered between the two electrode arrays. In a third embodiment, using multineedle electrodes raises the ink electrostaticly to the top portion of the applicator. The ink is transferred from the top of the applicator on to an image transferring roll and thereafter on to the recording paper. A fourth embodiment uses spiral back electrodes disposed on the rear surface of a paper carrying drum. The drum and the applicator are rotated at the same peripheral speed so that the position of the drum relative to the grooves on the applicator will vary for each revolution.
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patent: 3834301 (1974-09-01), Croquelois
patent: 3843955 (1974-10-01), Pear, Jr.
patent: 3958251 (1976-05-01), Borelli
"High Speed Printer Mechanism," IBM Tech. Discl. Bulletin, vol. 1, No. 1, Jun. 1958, p. 7.
"Liquid Ink Imaging System," Xerox Disclosure Journal, vol. 2, No. 5, Sep./Oct. 1977, pp. 7-8.
"Double Roll Liquid Ink Induction Imaging System," Xerox Disclosure Journal, vol. 2, No. 2, Mar./Apr. 1977, pp. 23-25.
Eickholt Eugene H.
Fuji 'Xerox Co., Ltd.
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