Fixing roller and its manufacturing process

Details Fixing roller and its manufacturing process Fixing roller and its manufacturing process

1987-05-22

1989-04-04

Prescott, A. C.

Photocopying

Including fiber optics

355 14FU, 219216, G03G 1520

Patent

active

048190209

ABSTRACT:
A fixing roller of the present invention comprising at least an electrically conductive core member and a PFA dispersion layer formed from a polytetrafluoro ethylene perfluoro alkoxy ethylene co-polymer (PFA resin) with carbon black or like conductive material dispersed therein by means of a dispersing agent. A roller of this construction effectively prevents triboelectrically-induced offset caused by the electrostatic attraction of the toner by a surface charge on the outer peripheral surface of the roller. Since the release properties of said roller are superior, offset caused by thermal adhesion of the toner to the roller is also effectively prevented.

REFERENCES:
patent: 3776760 (1973-12-01), Baker et al.
patent: 3940518 (1976-02-01), Bowler, Jr. et al.
patent: 4179601 (1979-12-01), Tarumi et al.
patent: 4199626 (1980-04-01), Stryjewski
patent: 4257699 (1981-03-01), Lentz
patent: 4434355 (1984-02-01), Inagaki et al.
patent: 4503179 (1985-03-01), Yoshimura et al.
patent: 4550243 (1985-10-01), Inagaki
patent: 4568275 (1986-02-01), Inagaki
patent: 4596920 (1986-06-01), Inagaki

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