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. 30, 2016
Filed:
Aug. 30, 2013
Kennametal Inc., Latrobe, PA (US);
Volkmar Sottke, Mulheim, DE;
Karl Heinz Wendt, Ebermannstadt, DE;
Hartmut Westphal, Dermbach, DE;
Peter Leicht, Latrobe, PA (US);
Yixiong Liu, Greensburg, PA (US);
KENNAMETAL INC., Latrobe, PA (US);
Abstract
In one aspect, cutting tools are described having coatings adhered thereto which, in some embodiments, demonstrate desirable wear resistance and increased cutting lifetimes. A coated cutting tool described herein comprises a substrate and a coating adhered to the substrate, the coating including a refractory layer comprising plurality of sublayer groups, a sublayer group comprising an aluminum oxynitride (AlON) sublayer or a composite AlON sublayer and an alumina (AlO) sublayer or composite alumina sublayer.