Image transfer element in a color image forming apparatus

Details Image transfer element in a color image forming apparatus Image transfer element in a color image forming apparatus

1994-12-02

1997-02-04

Royer, William J.

Electrophotography

Image formation

Transfer

G03G 1514

Patent

active

056004206

ABSTRACT:
An intermediate transfer unit is constructed by covering a conductive cylindrical base member of drum-shape with an elastic member of belt-shape, the elastic member of belt-shape being adhesively fixed to the base member with an adhesive agent, grooves or pits being provided on the surface of the cylindrical base member, the elastic member of belt-shape being adhesively fixed by the adhesive agent filled in the grooves or pits. The adhesive agent has a resistivity smaller than at least the resistivity of the elastic member of belt-shape. By doing so, it is possible to construct and keep the uniform distribution of resistivity without change by environment and deterioration with age, and to realize proper transferring. Furthermore, since the diametrical change of the drum due to uneven application of the adhesive agent can be minimized, the effect on misalignment in color can be minimized.

REFERENCES:
patent: 4040732 (1977-08-01), Hummel
patent: 5415961 (1995-05-01), Yu et al.

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