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. 12, 2013
Filed:
Jan. 20, 2009
Applicants:
Hendrikus Van Den Berg, Venlo-Blerick, NL;
Hartmut Westphal, Dermbach/Rhoen, DE;
Volkmar Sottke, Muelheim/Ruhr, DE;
Inventors:
Hendrikus Van Den Berg, Venlo-Blerick, NL;
Hartmut Westphal, Dermbach/Rhoen, DE;
Volkmar Sottke, Muelheim/Ruhr, DE;
Assignee:
Kennametal Inc., Latrobe, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a body which is coated with hard material and has a plurality of layers applied by means of CVD, wherein the outer layer comprises TiAlN, TiAlC and/or TiAlCN where 0.65≦x≦0.9, preferably 0.7≦x≦0.9, and this outer layer has compressive stresses in the range from 100 to 1100 MPa, preferably from 400 to 800 MPa, and a TiCN or AlOlayer is arranged under this outer layer.