Surface treated steel cutting tool
US6220797A · kind A · utility
13Cited by
15References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 16, 1999 |
| Grant date | Apr 24, 2001 |
| Priority date | — |
| Expiry date | Jun 16, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An inexpensive steel cutting tool with excellent cutting characteristics and cutting life is provided to have a cutting part having a chamfered cutting edge and a surface hardening layer formed therein, wherein surface treatment is performed by forming a sufficiently thick surface hardening layer on the surface of steel base material, or by forming a hard coating film on the surface hardening layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.