Fixing device

Coating apparatus – With heat exchange – drying – or non-coating gas or vapor... – With solid heat exchange means contacting work

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Details

B05C 1100, G03G 1520

Patent

active

042547334

ABSTRACT:
A device for fixing an image formed by electrostatic adhesion of toner particles on a copy sheet, wherein such copy sheet is passed between a pair of fixing rollers consisting of a fixing roller and a follower roller, the fixing roller having an offset preventing oil fed to its surface and being heated as required. The fixing roller and the follower roller each include a base material layer made of silicone rubber which is not caused to swell by the offset preventing oil and is swellable thereby. The fixing roller further include a thin surface layer formed on the outer surface of the base material layer and made of silicone rubber which has affinity with a silicone oil. The offset preventing oil may be a fluoroalkyl radical containing silicone oil or a mixture of such oil with an alkylpolysiloxane oil.

REFERENCES:
patent: 3810776 (1974-05-01), Banks et al.
patent: 3844252 (1974-10-01), Thettu
patent: 3921573 (1975-11-01), Thettu
patent: 3937919 (1976-02-01), Clerx et al.
patent: 3948214 (1976-04-01), Thettu
patent: 3989005 (1976-11-01), Bowler et al.
patent: 3999510 (1976-12-01), Thettu
patent: 4056706 (1977-11-01), Strella
Product Licensing Index, Jul. 1972, pp. 72, 73.

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