Multiple coated cutting tool and method for producing same
US4442169A · kind A · utility
19Cited by
13References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 28, 1982 |
| Grant date | Apr 10, 1984 |
| Priority date | — |
| Expiry date | Jan 28, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An article of manufacture adapted for use as a cutting tool is provided with an aluminum oxide coated substrate having layers of TiN and/or TiC deposited thereon, whereby the beneficial characteristics of the TiN, TiC and Al.sub.2 O.sub.3 coatings are provided simultaneously for such cutting tool. The TiN/TiC outer layers are strongly bonded to the Al.sub.2 O.sub.3 layer by means of an intermediate TiO layer. The process for producing such insert is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.