Title:
FILTRATION DEVICE, FILTRATION METHOD, ACETATE FIBER MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/071942
Kind Code:
A1
Abstract:
This filtration device (1) repeatedly alternates between filtration, in which a filtration solution is pressurized and passed through a filtration surface (10), and cleaning, in which the filtration surface, which is cut off from the outside, is cleaned. This filtration device (1) is provided with a filtration material (12) having the filtration surface (10), and with a container (13) which houses the filtration material (12) in a state cut off from the outside. The container (13) comprises a container main body (21) and a transparent unit (40) which is provided partially in the container main body (21) and which makes the state of the filtration surface (10) visible from the outside.
Inventors:
ITO KEISUKE
KOJIMA AKIO
KOJIMA AKIO
Application Number:
PCT/JP2013/006756
Publication Date:
May 21, 2015
Filing Date:
November 18, 2013
Export Citation:
Assignee:
DAICEL CORP (JP)
International Classes:
B01D29/39; B01D29/62; B01D29/74; B01D37/02; D01F2/00
Foreign References:
| JP2011104548A | 2011-06-02 | |||
| JPS6087821A | 1985-05-17 | |||
| US3250396A | 1966-05-10 | |||
| US4201670A | 1980-05-06 | |||
| JPS5820216A | 1983-02-05 | |||
| JPS59127614A | 1984-07-23 | |||
| JP2008056819A | 2008-03-13 | |||
| JP2008126216A | 2008-06-05 | |||
| JP2013176722A | 2013-09-09 |
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
Patent business corporation Owner old patent firm (JP)
Patent business corporation Owner old patent firm (JP)
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