Tonerabdichtungsmaterial

Tonerabdichtungsmaterial

A toner sealing material (4) for use in a toner cartridge (3) of an electrophotographic image formation apparatus is disclosed. The toner sealing material (4) comprises an elastic layer (4a) which is in contact with the cartridge via an adhesive layer (4c) and a tetrafluoroethylene resin porous laye...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOTANI, YASUTOYO, KATO, CHIAKI, NISHI, MASAYA, FUKUMOTO, YASHUHIRO
Format: Patent
Sprache:ger
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:A toner sealing material (4) for use in a toner cartridge (3) of an electrophotographic image formation apparatus is disclosed. The toner sealing material (4) comprises an elastic layer (4a) which is in contact with the cartridge via an adhesive layer (4c) and a tetrafluoroethylene resin porous layer (4b) having a thickness of at least 0.2 mm which is laminated on the elastic layer via an adhesive layer and is in contact with a developing roller (2) fixed to the cartridge (3). With the sealing material, a toner can be prevented from leaking from a toner cartridge for an extended period of time.