Dual metering blade for fusing color toner images

Details Dual metering blade for fusing color toner images Dual metering blade for fusing color toner images

1995-05-05

1996-04-02

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

118 60, 219216, G03G 1520

Patent

active

055045669

ABSTRACT:
An apparatus for fusing toner images to a substrate. A Release Agent Management (RAM) system for applying silicone oil to a metering roll utilizes a pair of metering blades to improve oil uniformity on the metering roll. Thus, streaks or localized areas of excess silicone oil as the result of blade defects and/or dirt accumulation associated with a first blade, ARE metered or smoothed to a more uniform thickness by the second blade. To this end, the first metering blade serves to meter silicone oil to a first predetermined thickness while the second blade serves to meter oil streaks to a second predetermined thickness which is greater than the first predetermined thickness.

REFERENCES:
patent: 4214549 (1980-07-01), Moser
patent: 4254732 (1981-03-01), Moser
patent: 5200786 (1993-04-01), Fromm et al.
Xerox Disclosure Journal, vol. 3, No. 6, Nov./Dec. 1978.

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