Fixing apparatus using a coated elastic member for use in an ima

Details Fixing apparatus using a coated elastic member for use in an ima Fixing apparatus using a coated elastic member for use in an ima

1994-12-28

1997-04-08

Royer, William J.

Electrophotography

Image formation

Fixing

G03G 1520

Patent

active

056193157

ABSTRACT:
A fixing apparatus for an image forming apparatus of the present invention includes: a rotatable heat roll; a heat-resistant elastic member fixedly disposed to form a nip section in contact with an outer circumferential surface of the heat roll, the heat-resistant elastic member being impregnated with a liquid release agent which is supplied to the nip section; and a porous fluororesin film formed by sintering a fluororesin powder for coating a surface of the heat-resistant elastic member coming in contact with the heat roll so that the release agent can be supplied by a predetermined amount while permeating through the film. The porous fluororesin film may include: a film formed by using metal fibers, glass fibers, or the like as a supporting member thereof, and a film formed by applying a gelled dimethyl silicone oil at least to a single surface of the film.

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