Fixing roll for electrophotography having an outer fluoro-resin

Details Fixing roll for electrophotography having an outer fluoro-resin Fixing roll for electrophotography having an outer fluoro-resin

1992-06-25

1993-02-23

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

2989532, 355285, B21B 3108

Patent

active

051878496

ABSTRACT:
A fixing roll used for electrophotography in which a fluoro resin layer having a surface roughness Rz of not greater than 3.5 .mu.m, gloss of not greater than 50% and an angle of contact with water of not less than 115.degree. is coated on outer surface of the roll. The fixing roll is manufactured by a method which comprises coating a fluoro resin paint to the surface of a core thereby forming coating layer, applying smoothing fabrication to the surface of the coating layer and, subsequently, applying heat treatment to form a fused fluoro resin layer.

REFERENCES:
patent: 3852861 (1974-12-01), Baker et al.
patent: 3942230 (1976-03-01), Nalband
patent: 4700450 (1987-10-01), Michel
patent: 4810564 (1989-03-01), Takahashi et al.
patent: 4950538 (1990-08-01), Honda et al.

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