Cutting blade having a plurality of different coatings on surfaces thereof
US11298758B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 25, 2017 |
| Grant date | Apr 12, 2022 |
| Priority date | — |
| Expiry date | Jun 5, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23C2228/10
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A cutting blade having a plurality of different coatings on surfaces thereof, including an upper surface, a lower surface, and a side surface connecting the upper surface and the lower surface, wherein the upper surface intersects the side surface to form at least one cutting edge unit, the cutting edge unit includes a main cutting edge and a secondary cutting edge, the upper surface includes at least one set of cutting planes, the cutting planes include a main cutting surface and a secondary cutting surface, the main cutting surface intersects the side surface to form the main cutting edge, the secondary cutting surface intersects the side surface to form the secondary cutting edge, a main coating is provided on the main cutting surface, a secondary coating is provided on the secondary cutting surface, and the main coating and the secondary coating are independent from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.