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:
Oct. 26, 1982
Filed:
Jul. 02, 1980
Applicant:
Inventors:
Heinz D Hannes, Duren-Echtz, DE;
Josef Lothmann, Langerwehe, DE;
Ludwig Walther, Duren-Niederau, DE;
Assignee:
Zimmermann & Jansen GmbH, Duren, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
266 92 ; 266 44 ; 266 45 ; 266 78 ;
Abstract
Disclosed is a method of controlling the nozzle damper (slide valve) of a vessel for the metallurgical casting, in response of the variation of the molten metal level of the volume of molten metal tapped from said vessel the nozzle opening is stepwise controlled in response to, the value of the vertical level of the molten metal above said nozzle damper at the respective tapping time or after the respective tapping period with the molten metal volume calculated from the time integral of the respective previous actual damper opening areas.