Title:
FILTRATION DEVICE AND WATER TREATMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/125599
Kind Code:
A1
Abstract:
A filtration device (10) is provided with: a filtration element body (4) formed by spirally winding a sheet-like member; and a filtration tank (1) through which water to be treated is passed and in which the filtration element body (4) is inserted in such a manner that the axis thereof extends in the direction in which the water passes. The sheet-like member is formed by superposing on each other the surface of a mesh sheet (5) having holes through which the water to be treated passes, and the surface of a sheet-like spacer (6) through which the water to be treated is less likely to pass than the mesh sheet (5).
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Inventors:
OSAWA MASANOBU (JP)
TADA KEIJIROU (JP)
SATO SHIGERU (JP)
TADA KEIJIROU (JP)
SATO SHIGERU (JP)
Application Number:
PCT/JP2011/057584
Publication Date:
October 13, 2011
Filing Date:
March 28, 2011
Export Citation:
Assignee:
KURITA WATER IND LTD (JP)
OSAWA MASANOBU (JP)
TADA KEIJIROU (JP)
SATO SHIGERU (JP)
OSAWA MASANOBU (JP)
TADA KEIJIROU (JP)
SATO SHIGERU (JP)
International Classes:
B01D29/07; B01D24/00; B01D29/01; B01D29/66; B01D36/00; B01D36/02; B01D61/04; B01D65/02; C02F1/44; C02F1/52
Foreign References:
| JPH09313812A | 1997-12-09 | |||
| JP2008136915A | 2008-06-19 | |||
| JP2009136777A | 2009-06-25 | |||
| JPH10505542A | 1998-06-02 |
Attorney, Agent or Firm:
KURIHARA, Hiroyuki et al. (JP)
Hiroyuki Kurihara (JP)
Hiroyuki Kurihara (JP)
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Claims: