Composition for a ceramic coated detoning roll for use in an ele

Details Composition for a ceramic coated detoning roll for use in an ele Composition for a ceramic coated detoning roll for use in an ele

1997-01-21

1998-06-02

Lee, S.

Electrophotography

Cleaning of imaging surface

Plural diverse

G03G 2100

Patent

active

057615985

ABSTRACT:
A detoning roll having a ceramic outer coating for removing residual toner particles from a cleaning reproduction machine. The ceramic outer coating consists essentially of a suitable mixture of alumina and titania by weight giving the detoning roll a desired resistivity within a range of 2.8.times.10.sup.7 -2.10.times.10.sup.9 (Ohm-cm), a discharge time constant of greater than 600 microseconds, and a dielectric constant within a range of 12-24 at 100 KHz.

REFERENCES:
patent: 4494863 (1985-01-01), Laing
patent: 5182601 (1993-01-01), Hodoshima et al.
patent: 5241343 (1993-08-01), Nishio
patent: 5322970 (1994-06-01), Behe et al.
patent: 5384627 (1995-01-01), Behe et al.
patent: 5473418 (1995-12-01), Kazakos et al.

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