Coated cutting tool member
US6071601A · kind A · utility
12Cited by
5References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1998 |
| Grant date | Jun 6, 2000 |
| Priority date | — |
| Expiry date | May 12, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention provide for a cutting tool member that has been coated with a hard coating. The hard coating has multiple layers including: a) a layer made of a titanium compound that has a cubic lattice structure, b) an Al.sub.2 O.sub.3 layer, and c) an intervening layer that includes a Ti.sub.2 O.sub.3 compound with a corundum-type lattice structure. The hard coating layer provides the cutting tool member with good strength and increases its operational lifetime.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.