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Patent Searching and Data


Title:
DUST COLLECTING FILTER
Document Type and Number:
Japanese Patent JP3310725
Kind Code:
B2
Abstract:

PURPOSE: To provide a dust collecting filter where filter elements are not required to be taken in and out of a housing one by one for replacement and which is made smaller in size and light in weight and has small pressure loss and is inexpensive.
CONSTITUTION: A housing 1 has a fitting part for an air feeding part 3 for dust contg. air (a) and a fitting part for an air discharge part 4 for filtered air (b) at one end and at the other end respectively. The housing 1 is divided into a lot of dust contg. air passages 7 and a lot of filtered air passages 8 by fiber filter elements 2 joined to the housing 1 and having independency. And the dust contg. air passages 7 are opened and the filtered air passages 8 are closed on the dust contg. air (a) feeding part 3 side, and the dust contg. air passages 7 are closed and the filtered air passages 8 are opened on the filtered air (b) discharge part 4 side to form a dust collecting filter.


Inventors:
Kazuhiro Yonezawa
Hitoshi Nakayama
Application Number:
JP16070693A
Publication Date:
August 05, 2002
Filing Date:
June 30, 1993
Export Citation:
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Assignee:
Nippon Pneumatic Industry Co., Ltd.
International Classes:
B01D39/16; B01D46/02; (IPC1-7): B01D39/16; B01D46/02
Domestic Patent References:
JP52114177A
JP63136722U
JP4912564U
JP6287718U
Attorney, Agent or Firm:
Bunji Kamata (2 outside)