Heat fixing device

Details Heat fixing device Heat fixing device

1980-06-09

1982-03-23

Beck, Shrive P.

Coating apparatus

With heat exchange, drying, or non-coating gas or vapor...

With solid heat exchange means contacting work

118101, 118104, 219216, 430 99, 101DIG13, 361221, 432 60, F27B 928, B05C 2100

Patent

active

043207146

ABSTRACT:
A heat fixing device for use in an electrophotographic copying machine in which an electroconductive layer is provided in the surface of one of the fixing and pressure rolls for preventing charge built up upon the surface of the roll. The layer is preferably provided as an aluminum plated layer covered by a non-adhesive releasing layer made of a material such as tetrafluoroethylene or HTV or RTV silicone rubber. Provision of the electroconductive layer prevents an electric field from forming extending through a sheet carrying an image to be fixed thereby substantially entirely, eliminating any offset produced on the roll.

REFERENCES:
patent: 3235772 (1966-02-01), Gurin
patent: 3809854 (1974-05-01), Sanders
patent: 4179601 (1979-12-01), Tarumi et al.

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