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Electrophotography – Image formation – Development

Reexamination Certificate

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Details

C222SDIG001, C399S106000, C399S120000, C430S110300

Reexamination Certificate

active

06999705

ABSTRACT:
A toner container for supplying and/or replenishing toner into a development apparatus of image forming apparatus, by being engaged with the rotation transfer member of the development apparatus and being rotated about a center axis of the toner container integrally with the rotation transfer member. The toner container is structured with a cylindrical body having a toner outlet on one end of the cylindrical body, nearby a center axis of the cylindrical body, a convex spiral flute formed on the inner periphery of the cylindrical body, and a concave spiral flute formed on the outer periphery of the cylindrical body, wherein a ratio L/D of length L to diameter D of the cylindrical body is in a range of ½≦L/D≦10, a thickness of the cylindrical body t is 0.3 mm≦t≦5.0 mm; and a thickness deviation of the cylindrical body is Δt≦20%.

REFERENCES:
patent: 5627631 (1997-05-01), Ichikawa et al.
patent: 6701112 (2004-03-01), Kusano et al.
patent: 6731897 (2004-05-01), Nagano et al.
patent: 2001/0008593 (2001-07-01), Tsuji et al.
patent: 2002/0037469 (2002-03-01), Kohyama et al.
patent: 2000-203549 (2000-07-01), None

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