Elastic fixing roller for electrophotographic copying machine

Details Elastic fixing roller for electrophotographic copying machine Elastic fixing roller for electrophotographic copying machine

1995-03-28

1996-07-02

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

219216, 492 53, G03G 1520

Patent

active

055328083

ABSTRACT:
An image fixing elastic roller includes a metal core, a sponge layer provided around the metal core, and a fluoroplastic layer provided around the sponge layer, in which the fluoroplastic layer is formed with a plurality of holes in a predetermined distribution for suppressing paper wrinkles from causing, and further, to improve the performance, the fluoroplastic layer is formed with additional holes for providing a higher distribution density at a central portion thereof than at end portions thereof.

REFERENCES:
patent: 4317270 (1982-03-01), Watanbe et al.
patent: 4796049 (1989-01-01), Taniguchi et al.
patent: 4949130 (1990-08-01), Torino
patent: 5130754 (1992-07-01), Hishikawa
patent: 5342277 (1994-08-01), Steiner et al.

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