Electrographic copying device with magnetic cylinder
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United States of America Patent
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-
May 25, 1982
Grant Date -
N/A
app pub date -
May 16, 1980
filing date -
May 25, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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