Magnetic ink printing method

Details Magnetic ink printing method Magnetic ink printing method

1975-04-16

1976-12-21

Burr, Edgar S.

Printing

Antismut device

Anti-offset material application

101 1, 101170, 283 8R, 283 9R, 235 6112M, 346 741, 360 56, B41F 900

Patent

active

039981606

ABSTRACT:
A method of printing wherein magnetic particles dispersed in an ink are selectively orientated prior to printing onto a document where the particles are aligned on a carrier while the ink is in a low viscous state and the printing is effected when the ink is in a high viscous state. The method by which the viscosity is changed is the selective application of heat.

REFERENCES:
patent: 2375660 (1945-05-01), Jones
patent: 2711132 (1955-06-01), Viscardi
patent: 3245534 (1966-04-01), Smith et al.
patent: 3320523 (1967-05-01), Trimble
patent: 3566786 (1971-03-01), Kanfer et al.
patent: 3683382 (1972-08-01), Ballinger
patent: 3689934 (1972-09-01), Nacci
patent: 3757353 (1973-09-01), Jeffers
patent: 3844907 (1974-10-01), Kitamoto
patent: 3878367 (1975-04-01), Fayling
Staats, "Punchable Magnetic Record Card," IBM Technical Disclosure Bulletin, vol. 2, No. 4, Dec. 1959, p. 104.

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