Container, toner container, image forming apparatus, and...

Electrophotography – Image formation – Development

Reexamination Certificate

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Details

C222SDIG001, C399S260000

Reexamination Certificate

active

07149462

ABSTRACT:
The present invention relates to a container containing a toner that exhibits sufficient sealing effects and prevents leakage of the content in the container body.The container according to the present invention comprises a container body having a pipe-like aperture, an inner cap fitted to inner side of the aperture in an attachable and detachable fashion, and an outer cap fitted to outer side of the aperture in an attachable and detachable fashion,wherein the aperture is equipped with a first convex that projects ring-wise from the inner side of the aperture and a sealing face that is situated at tip side of the aperture,wherein the inner cap is equipped with a second convex and a resilient sealing portion, the second convex projects ring-wise from the outer side of the inner cap and has an outer diameter larger than the inner diameter of the first convex, the resilient sealing portion contacts with the sealing face resiliently from outside of the aperture to urge the inner cap in a direction so that the second convex presses the first convex, andwherein the outer cap is equipped with a pressing portion that presses the resilient sealing portion so as to move the inner cap to a position where the pressing are released between the first convex and the second convex.

REFERENCES:
patent: 5557382 (1996-09-01), Tatsumi et al.
patent: 6088561 (2000-07-01), Kawamura et al.
patent: 6104900 (2000-08-01), Ishikawa et al.
patent: 6134411 (2000-10-01), Meyer et al.
patent: 6336020 (2002-01-01), Ishikawa et al.
patent: 6934495 (2005-08-01), Yoshino et al.

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