Coating for cutting implements
US7913402B2 · kind B2 · utility
7Cited by
151References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2005 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Dec 13, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A cutting implement having a cutting blade and a coating is provided. The coating has titanium chromium nitride and provides the blade with a satin silver appearance. In some embodiments, the titanium chromium nitride coating has a thickness in a range between about 0.3 microns and 0.5 microns, a surface roughness in a range of about 15 to 25×10−6 inch/inch, and a hardness in a range of about 5.7 to 9.1 gigapascals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.