Cutting tool and method of making the cutting tool
US5722803A · kind A · utility
70Cited by
25References
62Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1995 |
| Grant date | Mar 3, 1998 |
| Priority date | — |
| Expiry date | Jul 14, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/81
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A coated cutting tool, and a method of producing the same, comprising a substrate which has a roughened surface that presents a surface roughness of between 15 microinches R.sub.a and 125 microinches R.sub.a. A coating is applied to the roughened surface of the substrate by physical vapor deposition. A coated cutting tool having a low cobalt substrate and experiencing long tool life is also discussed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.