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Title:
FILTRATION FILTER AND FILTRATION FILTER DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/141609
Kind Code:
A1
Abstract:
Provided is a filtration filter which is capable of improving the filtration efficiency of an object to be filtrated. A filtration filter (2) according to the present invention comprises: a metal porous membrane (21) that filtrates an object to be filtrated, which is contained in a fluid; and a supporting base (22) that is provided on at least one main surface (2a) of the metal porous membrane (21) and supports the metal porous membrane (21). The supporting base (22) is provided with an opening (22a) from which a part of the metal porous membrane (21) is exposed; and the inner circumferential surface (22b) of the opening (22a) is provided with a recessed and projected pattern (22c) that is wave-like in the circumferential direction.

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Inventors:
YAMAMOTO WATARU (JP)
KONDO TAKASHI (JP)
BANJU MASARU (JP)
Application Number:
PCT/JP2017/001588
Publication Date:
August 24, 2017
Filing Date:
January 18, 2017
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
B01D71/02; B01D29/01; B01D39/20; B01D69/06; B01D69/10; B01D69/12
Domestic Patent References:
WO2014050328A12014-04-03
WO2016140005A12016-09-09
WO2016208362A12016-12-29
Foreign References:
JPS63107705A1988-05-12
JP2011173054A2011-09-08
JP2015044187A2015-03-12
JP2014151286A2014-08-25
JP2006329108A2006-12-07
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
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