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.

Date of Patent:
Aug. 05, 2025

Filed:

Jul. 03, 2020
Applicant:

Primetals Technologies Austria Gmbh, Linz, AT;

Inventors:

Robert Millner, Loosdorf, AT;

Johannes Rothberger, Hellmonsödt, AT;

Hans Thomas Sattler, Linz, AT;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21B 13/00 (2006.01); F27D 7/02 (2006.01); F27D 7/06 (2006.01); F27D 15/00 (2006.01); F27D 19/00 (2006.01);
U.S. Cl.
CPC ...
C21B 13/0093 (2013.01); F27D 7/02 (2013.01); F27D 7/06 (2013.01); F27D 15/00 (2013.01); F27D 2007/063 (2013.01); F27D 2019/0028 (2013.01); F27D 2019/0081 (2013.01);
Abstract

The invention relates to a method for sealing a reduction assembly, wherein the reduction assembly has a product discharge device, wherein the product discharge device is supplied with sealing gas and wherein at least one compressor is provided for delivering prepared sealing gas to the product discharge device, wherein according to the invention, at least one nitrogen generator is provided for producing pure sealing gas, and wherein the sealing gas for supplying to the product discharge device is composed of pure sealing gas from the at least one nitrogen generator or composed of pure sealing gas from the at least one nitrogen generator and of prepared sealing gas from the at least one compressor. The invention also relates to a device with which the method according to the invention is carried out.


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