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:
Mar. 10, 2020
Filed:
Dec. 14, 2017
Hilti Aktiengesellschaft, Schaan, LI;
Siavash Momeni, Buchs, CH;
Steven Moseley, Nenzing-Gurtis, AT;
Arno Glaser, Schaan, LI;
Robert Hellein, Hadersdorf/Kamp, AT;
Christian Gierl-Mayer, Vienna, AT;
Wolf-Dieter Schubert, Vienna, AT;
Herbert Danninger, Vienna, AT;
Andrea Müller-Grunz, Differange, LU;
Ralph Useldinger, Kehlen, LU;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A tool for machining materials has a main part and one or more blades. The main part is made of a low-alloy steel. The socket is welded to the main part, and the blade edges are made of a hard metal. The hard metal contains at least 82 vol. % of tungsten carbide and a metallic binder made of a cobalt-nickel-based alloy. The hardness of the hard metal is greater than 1350 HV10. The socket has a sintered composite, and 40 vol. % to 60 vol. % of the composite is composed of a metal carbide and a metallic binder. At least 95 vol. % of the metallic binder is made of nickel, and the hardness of the composite is less than 800 HV10.