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:
Jul. 07, 1981
Filed:
Mar. 24, 1980
Applicant:
Inventors:
Richard G Kerlin, Aliquippa, PA (US);
Henry T Kossler, Pittsburgh, PA (US);
Peter J Koros, Pittsburgh, PA (US);
Robert G Petrushka, Parma, OH (US);
Assignee:
Jones & Laughlin Steel Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75 58 ; 75 53 ; 266265 ;
Abstract
Method and apparatus for dispensing a fluidized stream of particulate material, particularly a blended mixture of particulate materials which are useful in the desulfurization of molten ferrous metals. Control of the flow rates of the particulate materials are individually and independently controlled and without reliance upon varying the top pressures within the dispenser vessels containing the separate particulate materials.