Electrostatic charging roller

Details Electrostatic charging roller Electrostatic charging roller

1996-08-15

1998-08-11

Chapman, Mark

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

399176, 492 53, 492 56, B29D 2200, B32B 108

Patent

active

057925330

ABSTRACT:
An electrostatic charging roller having at least two layers; namely an elastic layer and a surface layer covering a surface of the elastic layer; wherein the surface layer contains low structure acetylene with a particle diameter of 44 to 60 m.mu. to improve uniformity in electrification by the electrostatic charging roller having a surface layer in which conductive particles and non-adhesive resin are dispersed therein. Also dependency of the electrostatic charging roller on humidity is suppressed to a lower level, which makes smaller fluctuation of the electrifying characteristics caused by changes in environmental conditions.

REFERENCES:
patent: 5497219 (1996-03-01), Kurokawa et al.
patent: 5602712 (1997-02-01), Daifuku et al.

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