Cartridge, developing cartridge, process cartridge and image forming apparatus

Cartridge, developing cartridge, process cartridge and image forming apparatus

A cartridge includes: a toner chamber, provided with an opening, for accommodating a toner; and a seal member including a sealing portion, elongated in a longitudinal direction of the cartridge, for unsealably sealing the opening and a mounting portion for being mounted on an unsealing member to uns...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TSUMURA JUNICHI, MAKIGUCHI DAISUKE, BATORI YOSHIYUKI, MURAKAMI RYUTA, TAKEUCHI TOSHIAKI, MATSUZAKI HIROOMI, MATSUMOTO KAZUKI
Format: Patent
Sprache:chi ; eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:A cartridge includes: a toner chamber, provided with an opening, for accommodating a toner; and a seal member including a sealing portion, elongated in a longitudinal direction of the cartridge, for unsealably sealing the opening and a mounting portion for being mounted on an unsealing member to unseal the opening. The sealing portion includes a first sealing portion located at a longitudinal end portion and a second sealing portion located at a longitudinal central portion. With respect to a direction crossing the longitudinal direction, a length between the first sealing portion and the mounting portion of the seal member is shorter than a length between the second sealing portion and the mounting portion. The invention also provides a process cartridge and an image forming apparatus.