Coated cutting tool
US10710169B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 23, 2018 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | Oct 18, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23B2251/14
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, the coating layer comprising a first laminate structure and a second laminate structure, wherein: the first laminate structure has a laminate structure in which predetermined compound layers of two kinds, each having a different composition, are laminated in an alternating manner; the first laminate structure satisfies a predetermined condition; the second laminate structure has a laminate structure in which a first compound layer comprising a predetermined oxide and/or oxynitride and a second compound layer having a predetermined composition are laminated in an alternating manner; and an average thickness of each compound layer which constitutes the first laminate structure, an average thickness of each compound layer which constitutes the second laminate structure, and a thickness of the coating layer in its entirety each fall within a predetermined range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.