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. 29, 1988
Filed:
Jun. 04, 1987
Applicant:
Inventors:
Assignee:
Mannesmann AG, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
266 44 ; 266 91 ;
Abstract
Molten metal is discharged without slag from a ladle, vessel or the like having a closable bottom tap by weighing the vessel continuously and forming from the measuring values respective earlier and later average values as well as the difference thereof; that difference directly indicates the onset of inclusion of slag in the outflow so that the bottom top of the vessel can be closed when slag appears.