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:
Feb. 28, 2023
Filed:
Dec. 20, 2016
Applicant:
Sandvik Intellectual Property Ab, Sandviken, SE;
Inventors:
Jose Luis Garcia, Stockholm, SE;
Marta Saraiva, Bandhagen, SE;
Assignee:
SANDVIK INTELLECTUAL PROPERTY AB, Sandviken, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F 7/00 (2006.01); B22F 3/10 (2006.01); C22C 29/08 (2006.01); B22F 3/24 (2006.01); B22F 5/00 (2006.01);
U.S. Cl.
CPC ...
B22F 7/008 (2013.01); B22F 3/1017 (2013.01); C22C 29/08 (2013.01); B22F 2003/242 (2013.01); B22F 2003/248 (2013.01); B22F 2005/001 (2013.01); B22F 2301/10 (2013.01); B22F 2301/15 (2013.01); B22F 2301/35 (2013.01); B22F 2998/10 (2013.01);
Abstract
A method of making a cutting tool includes providing a first sintered cemented carbide body of a WC, a metallic binder phase and eta phase and wherein the substoichiometric carbon content in the cemented carbide is between −0.30 to −0.16 wt %. The first sintered cemented carbide body is subjected to a heat treatment at a temperature of between 500 to 830° C. for a time between 1 to 24 h. A cutting tool made according to the above method having an increased resistance against comb cracks is also provided.