High efficiency fuser roll assembly for xerographic material

Details High efficiency fuser roll assembly for xerographic material High efficiency fuser roll assembly for xerographic material

1977-04-25

1978-08-22

Albritton, C. L.

Electric heating

Heating devices

Combined with diverse-type art device

219469, 432 60, H05B 100

Patent

active

041091353

ABSTRACT:
A high efficiency fuser and pressure roll system for fixing xerographic toner particles to a carrier medium such as paper is presented having a helical resistance coil bonded at the active cylindrical surface of the fuser roll; the surface located heater is thermally isolated from the shaft mechanism supporting the fuser roll. Quick heating of the surface is achieved, along with diminished heat loss by heat conduction into the shaft and associated parts of the copier. The heater being integral with the fuser roll, heat is transferred directly and efficiently from the heater to the toner material.

REFERENCES:
patent: 2679572 (1954-05-01), Workman
patent: 3239652 (1966-03-01), Price
patent: 3310655 (1967-03-01), Hager, Jr.
patent: 3399292 (1968-08-01), Boldridge, Jr.
patent: 3884623 (1975-05-01), Slack
patent: 3937919 (1976-02-01), Clerx et al.

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