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. 07, 2017
Filed:
Mar. 11, 2014
Applicant:
Sandvik Materials Technology Deutschland Gmbh, Dusseldorf, DE;
Inventors:
Thomas Frobose, Versmold, DE;
Udo Rauffmann, Werther, DE;
Assignee:
Sandvik Materials Technology Deutschland GMBH, Düsseldorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B 45/02 (2006.01); B08B 7/00 (2006.01); B21B 21/00 (2006.01); B21B 38/00 (2006.01);
U.S. Cl.
CPC ...
B21B 45/0284 (2013.01); B08B 7/0021 (2013.01); B08B 7/0092 (2013.01); B21B 21/00 (2013.01); B21B 38/006 (2013.01); B08B 2209/02 (2013.01);
Abstract
A method for producing a steel tube include the manufacturing of a steel tube having an inner tube wall, an outer tube wall (), and a free tube cross-section enclosed by the inner tube wall. After the manufacturing, the steel tube includes at least one contaminant on the outer tube wall and entails, after the manufacturing of the steel tube, cleaning of the outer tube wall by applying liquid or solid COonto the outer tube wall in order to remove a contaminant from the outer tube wall.