End mill and drilling method
US11759870B2 · kind B2 · utility
0Cited by
15References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 14, 2020 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Apr 14, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23C2220/52
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
According to one implementation, an end mill for orbital drilling includes: a shank; a first cutting edge formed in a peripheral portion of the shank; and a second cutting edge formed in a bottom portion of the shank. At least a chamfered edge is formed on a first ridgeline between a first rake face and a first flank of the first cutting edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.