Coating apparatus – With heat exchange – drying – or non-coating gas or vapor... – With solid heat exchange means contacting work
Patent
1974-07-24
1976-04-27
Stein, Mervin
Coating apparatus
With heat exchange, drying, or non-coating gas or vapor...
With solid heat exchange means contacting work
118101, 432 60, 432228, G03G 1520
Patent
active
039526968
ABSTRACT:
Electrophotographic copying apparatus is disclosed including electrically heatable contact fixing means for fixing an electrophotographically produced toner image on an image carrier. The fixing means includes an electroconductive fixing layer mounted in insulated relation upon a continuously moving web which, in the preferred embodiment, comprises a cylindrical member. Heating electrical energy is supplied to said electroconductive fixing layer via contact cap means which are mounted on the ends of the cylinder member and which engage the free edges of the electroconductive layer throughout the length thereof, respectively, and stationary sintered bearing means that are electrically connectd both with the contact means and with the source of electrical energy. Pressing means extend partially around the circumference of the cylindrical member in pressure engagement with the fixing surface, said pressing means exerting a sliding frictional force on the non-image side of the image carrier which is lesser than the static frictional force between the heatable fixing layer and the image side of the carrier. Preferably the pressing surface of the pressing means is formed of polytetraflouroethylene.
REFERENCES:
patent: 2870312 (1959-01-01), Westervelt
patent: 3268351 (1966-08-01), Van Dorn
patent: 3666247 (1972-05-01), Banks
patent: 3716221 (1973-02-01), Gorka et al.
patent: 3745972 (1973-07-01), Thettu
Hoechst Aktiengesellschaft
Salser Douglas
Stein Mervin
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