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. 09, 2002
Filed:
Aug. 13, 1999
Applicant:
Inventors:
Gerald Hohenbichler, Kronstorf, AT;
Stefano Pellissetti, Linz, AT;
Romeo Capotosti, Narni, IT;
Guiseppe Guasto, Genoa, IT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 1/100 ; B22D 1/106 ;
U.S. Cl.
CPC ...
B22D 1/100 ; B22D 1/106 ;
Abstract
Method of preventing contact of oxygen with a metal melt during continuous casting, the metal melt flows into a casting chamber bounded by rolls and a hood and leaves this chamber as a stream. To completely prevent contact of oxygen with the metal melt and thus reoxidation, oxygen attempting to enter via any gaps between the walls and/or adhering to the walls is removed by suction applied at a succession of suction stages at the periphery of each roll before a gap between the hood and the roll at the top of the casting chamber. Inert gas may then flow to the rolls near the gap.