Sealing member, process cartridge and developer supply container

Details Sealing member, process cartridge and developer supply container Sealing member, process cartridge and developer supply container

1998-07-30

2000-09-12

Smith, Matthew S.

Electrophotography

Internal machine environment

Particle or contaminant control

399106, 399262, G03G 1508

Patent

active

06118957&

ABSTRACT:
A sealing member for sealing a developer accommodating portion for accommodating a developer includes (a) a sealing portion for openably sealing an opening of the developer accommodating portion; (b) an extended portion extending from the sealing portion, the extended portion having a width, measured in a direction of extension, which is smaller than that of the sealing portion; (c) a connecting edge for connecting an edge of the sealing portion adjacent the extended portion and a side edge of the extended portion extending in the direction of the extension; and (d) a tearable portion capable of being torn to open the opening sealed by the sealing portion, wherein an end of the tearable portion is provided in the sealing portion, and the other end thereof continues to the connecting edge, wherein the tearable portion extends between the one end and the other end substantially parallel with the extension direction.

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patent: 5689772 (1997-11-01), Fujiwara et al.
patent: 5752131 (1998-05-01), Fujiwara et al.
patent: 5778282 (1998-07-01), Nagashima
patent: 5832349 (1998-11-01), Nagashima

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