Hydraulic wide nip flex sleeve fuser

Details Hydraulic wide nip flex sleeve fuser Hydraulic wide nip flex sleeve fuser

1992-10-29

1994-01-04

Grimley, A. T.

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219216, 355295, G03G 1520

Patent

active

052764931

ABSTRACT:
An apparatus including a fixing assembly for fixing an image onto a medium as the medium travels in a path through the assembly, the fixing assembly having a wide nip along the path of travel of the medium formed by a pair of nip forming rollers, at least one of which rollers contains a hydraulic fluid and maybe heated. The hydraulic roller has an aluminum core encased in a sealed stainless steel flexible hydraulic sleeve. In the space between the core and sleeve of each roller is a pressurized fluid. The apparatus also has a hydraulic piston for pressurizing the fluid.

REFERENCES:
patent: 4258095 (1981-03-01), Larson et al.
patent: 4377336 (1983-03-01), Parks et al.
patent: 4501482 (1985-02-01), Stryjewski
patent: 4553826 (1985-11-01), Mosholder
patent: 4814819 (1989-03-01), Torino et al.
patent: 4949130 (1990-08-01), Torino

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