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:
Nov. 30, 1999
Filed:
Jul. 25, 1997
Applicant:
Inventor:
Chris T Vild, Cleveland Heights, OH (US);
Assignee:
Metaullics Systems Co., L.P., Solon, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
266217 ; 266235 ; 75681 ;
Abstract
An apparatus for treating molten aluminum or zinc having a housing providing a chamber for containing a molten metal. The chamber including an inlet opening and an outlet passage. A rotatable impeller disposed within the chamber for drawing molten metal in through the inlet and expelling molten metal through the outlet passage. A convergent nozzle being positioned in the outlet passage. A gas injection conduit having an inlet in fluid communication with a source of purifying gas and an outlet in proximity to the chamber, and positioned upstream of the nozzle.