Magnetic brush for use in magnetic printing

Details Magnetic brush for use in magnetic printing Magnetic brush for use in magnetic printing

1975-03-24

1976-03-23

Stein, Mervin

Coating apparatus

With means to apply electrical and/or radiant energy to work...

Electrostatic and/or electromagnetic attraction or...

427 48, G03G 1900

Patent

active

039453430

ABSTRACT:
An improved magnetic brush for transferring toner to a latent image in a magnetic printing machine comprises a rotatable applicator cylinder disposed around a multipole magnetic stator. The two poles of the stator lying closest to the image are excited with magnetic fields of like polarity to minimize interaction between the magnetic brush field and the recorded magnetic image.

REFERENCES:
patent: 3318284 (1967-05-01), Hojo et al.
patent: 3402698 (1968-09-01), Kojima et al.
patent: 3626898 (1971-12-01), Gawron
patent: 3643629 (1972-02-01), Kangas et al.
patent: 3739749 (1973-06-01), Kangas et al.
patent: 3828730 (1974-08-01), Yamashita et al.
patent: 3839992 (1974-10-01), Takahashi
patent: 3879737 (1975-04-01), Lunde

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