Metallic core rapid warm-up fuser roller

Details Metallic core rapid warm-up fuser roller Metallic core rapid warm-up fuser roller

1999-09-27

2000-09-19

Grainger, Quana M.

Electrophotography

Image formation

Fixing

399328, 399333, G03G 1520

Patent

active

061224804

ABSTRACT:
A rapid warm-up fuser roller (and fusers and marking machines that use such a fuser) comprised of a metallic cylindrical core, a thermally and electrically insulating layer of volume graft over the metallic core, a resistive heating layer over the insulating layer, and electrical connections to the resistive heating layer such that electrical current passing through the electrical connections flows through the resistive heating layer in a direction that is substantially parallel to the axis of the metallic core. The electrical current causes the resistive heating layer to heat while the insulating layer of volume graft enables rapid warm-up of the roller.

REFERENCES:
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patent: 4888464 (1989-12-01), Shibata et al.
patent: 5173736 (1992-12-01), Cherian
patent: 5349423 (1994-09-01), Nagato et al.
patent: 5450182 (1995-09-01), Wayman et al.
patent: 5708950 (1998-01-01), Badesha et al.
patent: 5722025 (1998-02-01), Morigami et al.
patent: 5744200 (1998-04-01), Badesha et al.
P. 4 of Report No. X9300431, "Modeling of Instant-On Integral Heating Annular Resistor Roll Fuser", by S. Hwang, Jun. 1993. p. 4 describes Canon's PC-1 model.

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