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:
Aug. 16, 2022
Filed:
Mar. 22, 2018
Applicant:
Andritz Ag, Graz, AT;
Inventors:
Yassar Ghanimi, Hausmannstätten, AT;
Michael Jesse, Graz, AT;
Assignee:
ANDRITZ AG, Graz, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D 1/09 (2006.01); C21D 10/00 (2006.01); D21F 5/02 (2006.01);
U.S. Cl.
CPC ...
C21D 1/09 (2013.01); C21D 10/005 (2013.01); D21F 5/021 (2013.01); C21D 2211/005 (2013.01); C21D 2211/009 (2013.01);
Abstract
A method for treating a Yankee cylinder, where the Yankee cylinder has a cylinder shell made of steel with a ferritic-pearlitic structure. In the disclosed method, the outer surface of the cylinder shell is heat-treated with a laser beam and hardened as a result.