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:
Oct. 07, 2008
Filed:
Apr. 23, 2004
Volkmar Sottke, Mülheim/Ruhr, DE;
Hartmut Westphal, Dermbach/Rhön, DE;
Hendrikus Van Den Berg, BT Venlo-Blerick, NL;
Volkmar Sottke, Mülheim/Ruhr, DE;
Hartmut Westphal, Dermbach/Rhön, DE;
Hendrikus Van Den Berg, BT Venlo-Blerick, NL;
Kennametal Widia Produktions GmbH & Co. KG, Essen, DE;
Abstract
The invention relates to a tool, especially a cutting tool, comprising a substrate member onto which at least one layer is deposited by means of CVD, and a method for the chemical vapor deposition of a two-phase layer on a sintered part. According to the invention, the single deposited layer or at least one of the layers is provided with a TiCN phase, TiOCN phase, TiOC phase, or TiC phase and an additional phase consisting of ZrOand/or HfO. CHCN, CHN, or CHis used in the gas atmosphere for producing such a layer in addition to TiCl, HfCl, and/or ZrCland CO, the remainder being composed of Hand/or Ar.