Pressure fixing device

Details Pressure fixing device Pressure fixing device

1983-10-12

1985-06-04

Yuen, Henry C.

Heating

Advancing structure flexing, looping or coiling sheet, web...

Internally heated roll

432 75, 355 3FU, 29132, G03G 1500, F27B 928

Patent

active

045211841

ABSTRACT:
A pressure fixing device including a pair of pressure rolls formed of metal which are maintained in pressing contact with each other and allow a support member supporting thereon a toner image to pass therebetween. At least the pressure roll coming into contact with the toner image has a coarse surface having a surface coarseness of over 1.9 .mu.m (Ra). A cleaning felt member may be provided which is adapted to come into contact with the pressure roll not coming into contact with the toner image, and a heat generating member may be arranged around the pressure roll coming into contact with the toner image, to thereby heat the pressure roll to a temperature below 80.degree. C.

REFERENCES:
patent: 3811821 (1974-05-01), Ariyama et al.
patent: 3880577 (1975-04-01), Tomono et al.
patent: 3941558 (1976-03-01), Takiguchi
patent: 3942230 (1976-03-01), Nalband
patent: 3951585 (1976-04-01), Fujimoto
patent: 3964431 (1976-06-01), Namiki
patent: 4192229 (1980-03-01), Tsunoi et al.
patent: 4200389 (1980-04-01), Matsui et al.
patent: 4258095 (1981-03-01), Larson et al.
patent: 4259920 (1981-04-01), Sasaki
patent: 4324482 (1982-04-01), Szlucha
patent: 4343234 (1982-08-01), Sasaki

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