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:
Apr. 21, 2026
Filed:
Mar. 30, 2022
Applicant:
Seco Tools Ab, Fagersta, SE;
Inventor:
Stefan Larsson-Fritz, Fagersta, SE;
Assignee:
Seco Tools AB, Fagersta, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 1/19 (2006.01); B23K 1/012 (2006.01); B23K 35/30 (2006.01); B23K 101/20 (2006.01); B23K 103/00 (2006.01); B23K 103/04 (2006.01); C21D 1/25 (2006.01); C21D 1/613 (2006.01); C22C 38/02 (2006.01); C22C 38/22 (2006.01); C22C 38/38 (2006.01);
U.S. Cl.
CPC ...
B23K 1/19 (2013.01); B23K 1/012 (2013.01); B23K 35/3006 (2013.01); B23K 35/302 (2013.01); C21D 1/25 (2013.01); C21D 1/613 (2013.01); C22C 38/02 (2013.01); C22C 38/22 (2013.01); C22C 38/38 (2013.01); B23K 2101/20 (2018.08); B23K 2103/04 (2018.08); B23K 2103/50 (2018.08);
Abstract
A tool includes a cemented carbide part and a steel part joined by brazing, where the steel part has an average hardness of between 390 and 510 HV30. The braze joint includes Ti and a TiC layer, with a thickness of between 0.03 and 5 μm, adjoining to the cemented carbide part. The tool provides a strong braze joint and a steel part that have an even hardness.