Roller for fixing electrophotographic toner images and method of

Details Roller for fixing electrophotographic toner images and method of Roller for fixing electrophotographic toner images and method of

1975-03-07

1977-04-19

Albritton, C. L.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219216, 219470, 432 60, 432228, B21B 2706, H05B 302

Patent

active

040190242

ABSTRACT:
An image fixing roller having a comparatively long service life and tending to resist the so-called "offset phenomenon" in which portions of the toner image on one sheet adhere to the roller and are transferred onto the next sheet bearing a toner image. The roller has a radially outer layer made of silicon rubber impregnated with silicon oil which is non-tacky, heat resistant and resilient and has hardness of 20 to 70, tear strength of 10 to 15 kg/cm and tensile strength of below 70 kg/cm.sup.2.

REFERENCES:
patent: 3452181 (1969-06-01), Stryjewski
patent: 3669706 (1972-06-01), Sanders et al.
patent: 3921573 (1975-11-01), Thettu

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