Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Peter Polcik0
Claude Michotte0
Martin Kathrein0
Date of Patent
April 21, 2009
0Patent Application Number
114150500
Date Filed
May 1, 2006
0Patent Primary Examiner
Patent abstract
A tool consists of a base material selected from cemented carbide, tool steels, cermet, or hard materials, and a coating of two or more layers. At least one coating layer has the composition Ti—Al—Ta—N and at least one further coating layer has the composition Ti—Al—Ta-Me-N. The component Me is one more elements selected from the group consisting of Si, V, B. The tool, which is preferably a wearing part, is distinguished by a high wear resistance that improves the service life, in particular where high demands are imposed on the tool.
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