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.
Patent No.:
Date of Patent:
Jun. 01, 1999
Filed:
Apr. 30, 1997
Applicant:
Inventors:
Peter Bourke, Forrestfield, AU;
Jouko Kallioinen, Hollola, FI;
Assignee:
Outokumpu Mintec Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B03D / ; B03D / ; B03B / ;
U.S. Cl.
CPC ...
209164 ; 209-1 ; 209169 ; 209168 ; 209170 ;
Abstract
A flash flotation device (1) comprises a tank (2) to contain slurry (3) incorporating minerals to be extracted, a feed inlet (25) for admission of slurry (3) into the tank (2), agitation means (10) to agitate the slurry (3) within the tank (2), aeration means to aerate the slurry (3) whereby floatable minerals in suspension form a surface froth for removal via froth lip (29), a bottom outlet (26) for withdrawal of relatively coarse or dense components of the slurry (3) from the tank (2), and a side outlet (28) to regulate the level of slurry (3) in the tank (2).