Web release agent system for a heat and pressure fuser

Details Web release agent system for a heat and pressure fuser Web release agent system for a heat and pressure fuser

1993-01-04

1994-07-05

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

118257, G03G 1520

Patent

active

053272030

ABSTRACT:
A web release agent delivery system for a heat and pressure fuser. The system includes an oil impregnated web which is transported between supply and take-up rolls while contacting the fuser roll. The web is formed of a material having sub-denier fibers. It is preferred that the web is formed of a polyaramid fiber material with a polyester binder wherein some of the polyaramid fibers are of a sub-denier thickness. The preferred composition of the material is approximately 70% polyester and 30% polyaramid with approximately 50% of the polyaramid fibers having a denier ranging between approximately 0.8 and 0.25 denier. The disclosed material having an improved oil retaining capacity and donor capacity as used in a web release agent delivery system for a heat and pressure fuser.

REFERENCES:
patent: 3941558 (1976-03-01), Takiguchi
patent: 4393804 (1983-07-01), Nygard et al.
patent: 4557588 (1985-12-01), Tomosada
patent: 4686132 (1987-08-01), Sumii et al.
patent: 4939552 (1990-07-01), Nakanishi
patent: 5045890 (1991-09-01), DeBolt et al.
patent: 5049944 (1991-09-01), DeBolt et al.
patent: 5218410 (1993-06-01), Nakabayashi et al.

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