Rotary cutting blade having a laser hardened cutting edge and a method for making the same with a laser
US5906053A · kind A · utility
38Cited by
18References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1997 |
| Grant date | May 25, 1999 |
| Priority date | — |
| Expiry date | Mar 14, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D1/09
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A rotary cutting blade including an elongated body made of steel and having opposite ends, a leading edge extending from each opposite end, an upper surface, a lower surface and a cutting surface extending between the upper and lower surfaces along a portion of the leading edge, and a laser hardened portion extending from an opposite end of the body along the lower surface and the leading edge, the laser hardened portion having a thickness extending toward the upper surface and to the cutting edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.