Electrographic copying device with magnetic cylinder

Details Electrographic copying device with magnetic cylinder Electrographic copying device with magnetic cylinder

1980-05-16

1982-05-25

Pianalto, Bernard D.

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

427 34, G03G 1509

Patent

active

043311016

ABSTRACT:
The magnetic field which is required to hold image-forming toner particles on the tubular carrier of electrographic copiers is provided by single piece integrally formed permanent magnet bodies extending from end to end of the tubular carrier, the latter comprising a thin layer of ferromagnetic material to reduce the effect on inhomogeneities which may exist in the magnet bodies.

REFERENCES:
patent: 4237819 (1980-12-01), Ikegami et al.

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