Composite instant on fuser element

Details Composite instant on fuser element Composite instant on fuser element

1990-06-04

1992-02-11

Grimley, A. T.

Photocopying

Contact printing

Light boxes

219216, G03G 1520

Patent

active

050879464

ABSTRACT:
A fuser roll including a hollow cylinder having a relatively thin wall, the cylinder being a plastic composition reinforced with a conductive fiber filler, the plastic composition having a resistivity between 0.5 and 0.05 ohm.cm, the cylinder having an outside and an inside surface and enclosing ambient air, a back up roll disposed in an engaging relationship with the outside surface of the hollow cylinder defining said nip, a heating element disposed within said relatively thin wall, the heating element being said conductive fiber filler, the conductive fiber filler also providing the mechanical reinforcement of the hollow cylinder, and an additive, the additive being part of the plastic composition, the additive providing a release layer on the outside surface of the cylinder, the additive being a fluorocarbon at approximately 0.25 percent by weight.

REFERENCES:
patent: 3649810 (1972-03-01), Tsuboi et al.
patent: 4013871 (1977-03-01), Namiki et al.
patent: 4087676 (1978-05-01), Fukase
patent: 4234248 (1980-11-01), Beck
patent: 4360566 (1982-11-01), Shimizu et al.
patent: 4448872 (1984-05-01), Vandervalk
patent: 4544828 (1985-10-01), Shigenobu et al.
patent: 4883941 (1989-11-01), Martin et al.
patent: 4949132 (1990-08-01), Chimoto

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