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Title:
FILTER DEVICE FOR ELECTROPHOTOGRAPHIC DEVICE
Document Type and Number:
Japanese Patent JP3933317
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a filter device for electrophotographic device capable of removing a malodorous component of the gas generated at a heat-fixing part, excellent in capturing ratio characteristic of particulates and also little in clogging.
SOLUTION: The filtering device has a prefilter 40 having the 5-70% capturing ratio of extremely fine dust having 0.3 μm diameter by element, an air filter 41 arranged on the lel side of the prefilter 40 and having ≥90% capturing ratio of extremely fine dust having 0.3 μm diameter by element, a gas removing filter 42 for removing the malodorous component of the gas arranged at a downwind side of the air filter 41 and having at least ≥1 mm activated carbon and a frame 32 holding the periphery of the prefilter 40, the air filter 41 and the gas removing filter 42.


Inventors:
Koichi Yanai
Takako Sugita
Application Number:
JP23727098A
Publication Date:
June 20, 2007
Filing Date:
August 24, 1998
Export Citation:
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Assignee:
Zeon Kasei Co., Ltd.
International Classes:
G03G15/20; G03G21/00; B01D46/10; B01D53/04; B01D53/38; B01D53/81; (IPC1-7): B01D46/10; B01D53/04; B01D53/38; B01D53/81; G03G15/20; G03G21/00
Domestic Patent References:
JP9276638A
JP60255127A
JP7035919U
JP6007620A
JP8186066A
Attorney, Agent or Firm:
Hitoshi Maeda
Shingo Nishide