The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 07, 2014

Filed:

Feb. 18, 2009
Applicants:

Hiroyasu Yamane, Minato-ku, JP;

Tadashi Kunitani, Minato-ku, JP;

Eiji Sakai, Minato-ku, JP;

Inventors:

Hiroyasu Yamane, Minato-ku, JP;

Tadashi Kunitani, Minato-ku, JP;

Eiji Sakai, Minato-ku, JP;

Assignee:

Metawater Co., Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 25/02 (2006.01); B01D 29/07 (2006.01); B01D 29/13 (2006.01); B01D 29/52 (2006.01); C02F 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A filtering and condensing apparatus of a suction type includes: a sludge tank for containing sludge to be filtered and condensed; a plurality of filtering plates aligned with each other so as to be disposed to be adjacent to each other in the sludge tank; a means for constantly applying a tension force to each of the filtering plates, which means is disposed to be over a periphery of each filtering plate. A filtering cloth of each filtering plate is divided in the lateral direction by a plurality of vertically extending seams to form multiple divided zones, in each of which zone a filtering chamber is formed. A weight member is attached to a lower portion of each filtering plate using a U-shaped body.


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