Title:
WATER PURIFICATION CARTRIDGE
Document Type and Number:
WIPO Patent Application WO/2017/122746
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a water purification cartridge that can be assembled easily and has high filtration capacity. Provided is a water purification cartridge having a powder filtering material accommodated in a space formed by a casing having a raw water inlet and a purified water outlet and an outside cover covering the upper end of the casing, wherein: an inner cylinder and outer cylinder are provided within the casing, and an upper inner cover for covering a space between the inner cylinder and outer cylinder is provided on the end part on the same side of the inner cylinder and outer cylinder; the powder filtering material is accommodated in a ring-shaped accommodating space formed by the inner cylinder, outer cylinder and upper inner cover; and the upper inner cover is fitted water tightly to the inside wall surface of the inner cylinder.
Inventors:
BABA REIKO (JP)
OKAZAKI HIROSHIGE (JP)
OZAWA HISAKO (JP)
NAKASHIMA NAOKI (JP)
OKAZAKI HIROSHIGE (JP)
OZAWA HISAKO (JP)
NAKASHIMA NAOKI (JP)
Application Number:
PCT/JP2017/000882
Publication Date:
July 20, 2017
Filing Date:
January 12, 2017
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C02F1/28; B01D63/02; C02F1/44
Foreign References:
| JPH0871541A | 1996-03-19 | |||
| JP2001187380A | 2001-07-10 | |||
| JP2008514404A | 2008-05-08 | |||
| JPH0648881U | 1994-07-05 | |||
| JP2004082067A | 2004-03-18 | |||
| JP2002224665A | 2002-08-13 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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