Coated tool
US7521132B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2006 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Dec 23, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24975
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.