Flame sprayed ceramic end caps

Details Flame sprayed ceramic end caps Flame sprayed ceramic end caps

1995-07-31

1996-12-17

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

219216, 492 56, G03G 1520

Patent

active

055859097

ABSTRACT:
A heating device, which can be used in the fixing unit of an image forming apparatus, such as an electrophotographic copying or printing machine, for fixing a toner image on a final substrate. The heating device which is in the form of a heated fuser roller is provided with bands or coatings of material which impede the transfer of heat from the fuser roller to bearing structure associated therewith. The bands or coatings are applied by plasma spraying a ceramic material on either the surface of a fuser roll core or on journals of end caps, depending upon the specific construction of the fuser roller.

REFERENCES:
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patent: 4813372 (1989-03-01), Kogure et al.
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patent: 5043768 (1991-08-01), Baruch
patent: 5191381 (1993-03-01), Yuan
patent: 5200786 (1993-04-01), Fromm et al.
patent: 5298957 (1994-03-01), Haupt et al.
patent: 5420392 (1995-05-01), Sakata
patent: 5436430 (1995-07-01), Tsuji et al.

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