Title:
LIQUID SUBSTANCE TREATMENT FILTER
Document Type and Number:
WIPO Patent Application WO/2023/042910
Kind Code:
A1
Abstract:
[Problem] To provide a liquid substance treatment filter that can suction a liquid substance without reducing a suction force of a suction device and can prevent the suctioned liquid substance from oozing out of a filter body. [Solution] A liquid substance treatment filter 10 includes a gas permeable bag-shaped filter body 1 having an opening, a sheet body 2A (2B) which contains a water-absorbent polymer 2a placed inside the filter body 1, and a plate-like support body 3 having a liquid substance suction port 3a mounted onto the opening of the filter body 1, wherein the filter body 1 is compartmentalized into three accommodation spaces 1A, 1B, 1C, the central accommodation space 1A communicate with the opening and which accommodates a suctioned liquid substance, and the sheet body 2A (2B) is accommodated in each of the accommodation spaces 1B (1C) in both side portions with wall surfaces adjacent to the central accommodation space 1A.
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Inventors:
NAGASHIMA TOSHIHIKO (JP)
SATO TSUYOSHI (JP)
SATO TSUYOSHI (JP)
Application Number:
PCT/JP2022/034757
Publication Date:
March 23, 2023
Filing Date:
September 16, 2022
Export Citation:
Assignee:
KOWA INC (JP)
International Classes:
A47L9/14; A47L7/00
Foreign References:
| JPH01317421A | 1989-12-22 | |||
| JPH11503651A | 1999-03-30 | |||
| JPH03141918A | 1991-06-17 | |||
| JPH05261042A | 1993-10-12 | |||
| US20070084166A1 | 2007-04-19 |
Attorney, Agent or Firm:
NAKAMURA Shigemoto (JP)
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