Cutting tool and cutting method
US10293415B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 14, 2017 |
| Grant date | May 21, 2019 |
| Priority date | — |
| Expiry date | Mar 14, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23C2226/315
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A shaft portion and a blade portion provided on a side surface of the shaft portion are included, and the blade portion includes cutting blades arranged in a plurality of lines on a side surface of the shaft portion along a peripheral direction, and arranged in a plurality of stages in an extending direction of a shaft center of the shaft portion in each line. Further, the cutting blade has a radial-direction clearance angle, a tip end-side clearance angle, and a base end-side clearance angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.