Fusing device

Details Fusing device Fusing device

1994-07-18

1996-01-16

Brase, Sandra L.

Photocopying

Contact printing

Light boxes

355282, 355285, 355290, G03G 1520

Patent

active

054852595

ABSTRACT:
A fusing device for fusing a toner image by passing a recording sheet carrying an unfused toner image by means of the torque of a heating roll through a nip portion between the rotating heating roll and a heat-resistant solid elastic member which is forced to contact the outer peripheral surface of the heating roll to form the nip portion. In the fusing device, the heat-resistant solid elastic member includes an elastic body penetrated with a liquid release agent, and a lease-agent penetration control film whose region which is used for covering the surface of the elastic body and corresponds to at least the nip portion is formed of a porous film.

REFERENCES:
patent: 4047885 (1977-09-01), Hauman, Jr.
patent: 4285295 (1979-09-01), Iwao et al.
patent: 4375505 (1983-03-01), Newkirk
patent: 4910559 (1990-03-01), Kuge et al.
patent: 4949130 (1990-08-01), Torino
patent: 5123151 (1992-06-01), Uehara et al.
patent: 5200786 (1993-04-01), Fromm et al.
patent: 5325164 (1994-06-01), Tai et al.
patent: 5345301 (1994-09-01), Satoh et al.
patent: 5371571 (1994-12-01), Asanae

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