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Title:
FILTRATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/092804
Kind Code:
A1
Abstract:
A filtration device wherein a suction pipe has a simple configuration and the distance between adjacent hollow filter sheets is held constant. A filtration device filters liquid by sucking the hollow sections (10) of hollow filter sheets (1) through suction pipes (3) to make the liquid pass through the hollow filter sheets (1). The suction pipes (3) have suction holes (4) connected to the hollow sections (10) of the hollow filter sheets (1). The hollow filter sheets (1) have the suction pipes (3) inserted through through-holes (2) and are connected in a stacked manner to the suction pipes (3). Pieces of ring-shaped packing (5) are sandwiched between the stacked hollow filter sheets (1) to close the gaps between the hollow filter sheets (1) and the suction pipes (3) by a watertight structure. Also, through-holes (2) are provided in portions of the outer peripheries of the hollow filter sheets (1), suction pipes (3) are respectively inserted through the through-holes (2), and the hollow filter sheets (1) are affixed at the outer peripheries thereof to the suction pipes (3).

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Inventors:
NAKAGAWA KOICHI (JP)
KUSAKA YOSHIFUMI (JP)
NII DAISUKE (JP)
FUJIEDA DAISUKE (JP)
Application Number:
PCT/JP2010/050991
Publication Date:
August 04, 2011
Filing Date:
January 26, 2010
Export Citation:
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Assignee:
AWA PAPER MFG CO LTD (JP)
NAKAGAWA KOICHI (JP)
KUSAKA YOSHIFUMI (JP)
NII DAISUKE (JP)
FUJIEDA DAISUKE (JP)
International Classes:
B01D29/39; B01D63/00; B01D63/08
Domestic Patent References:
WO2006045440A12006-05-04
WO2006045440A12006-05-04
Foreign References:
JP2004202480A2004-07-22
JPS4714480Y11972-05-24
JPS2610294Y1
JP2010029818A2010-02-12
JPH0839061A1996-02-13
JPH0426089U1992-03-02
JPS319095B1
JPH0641810U1994-06-03
JPS35779Y1
DE174368C
Other References:
See also references of EP 2529822A4
Attorney, Agent or Firm:
TOYOSU, Yasuhiro et al. (JP)
Yasuhiro Toyosu (JP)
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Claims:



 
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