Magnetic printing apparatus

Details Magnetic printing apparatus Magnetic printing apparatus

1979-08-30

1982-06-22

Wolff, John H.

Recorders

Magnetographic

Multiple color

118652, 346 746, G01D 1506, G11B 900

Patent

active

043365469

ABSTRACT:
Magnetic printing apparatus for forming on a substrate a colored print of an original colored design, said apparatus comprising a ferromagnetic printing means which is imposed on an electrically conductive support; means for forming on the ferromagnetic printing means a magnetic image of a photocolor-separated film positive of the original colored design; means for developing the magnetic image on the ferromagnetic printing means with a toner comprising a ferromagnetic component, a dye and a resin; means for transferring the developed image to the substrate, and means for neutralizing static electricity on said toner. Optionally, the apparatus may include: means for transferring the developed image from one substrate to another; means for fixing said dye on and/or in an ultimate substrate; and/or means for removing said ferromagnetic component and said resin.

REFERENCES:
patent: 2857290 (1958-10-01), Bolton
patent: 3106155 (1963-10-01), Eastman
patent: 3150939 (1964-09-01), Wenner
patent: 3389863 (1968-06-01), Eichorn
patent: 3440091 (1969-04-01), Delmore
patent: 3648257 (1972-03-01), Wiese
patent: 3698005 (1972-10-01), Nacci
patent: 3795009 (1974-02-01), Gaynor
patent: 3816799 (1974-06-01), Ott
patent: 3863108 (1975-01-01), Blythe
patent: 4005439 (1977-01-01), Levy
patent: 4068239 (1978-01-01), Nelson
patent: 4099186 (1978-07-01), Edwards et al.

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