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:
Jun. 15, 2004

Filed:

Jul. 26, 2001
Applicant:
Inventors:

Yoshihiko Sano, Osaka, JP;

Hidetoshi Saio, Osaka, JP;

Assignee:

Nipro Corporation, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 1/104 ; B01D 1/00 ; B01D 3/500 ; B01D 1/100 ; B01F 1/502 ;
U.S. Cl.
CPC ...
B01D 1/104 ; B01D 1/00 ; B01D 3/500 ; B01D 1/100 ; B01F 1/502 ;
Abstract

A cost effective solution preparing apparatus includes a chamber which is divided into two compartments by a movable partition; a dissolving solution supply line for supplying a dissolving solution to the first compartment of the chamber; a solution tank connected with the first compartment and the second compartment through a first solution preparing line and through a second solution preparing line, respectively; a transporting pump provided in the second solution preparing line; a concentration meter; a solution transporting line for transporting the solution prepared and filled in the second compartment to a point of use; and a circulating line, in which the solution tank is exemplified as a U-shape tank constructed of a relatively small-diameter upstream tank portion and a relatively large-diameter downstream tank portion, and at least one filter is provided in a downstream portion of the downstream tank portion.


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