Multi-lip drill
US4722644A · kind A · utility
7Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 27, 1986 |
| Grant date | Feb 2, 1988 |
| Priority date | — |
| Expiry date | Jan 27, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/9097
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A multi-lip drill is proposed in which an additional auxiliary swarf flute is arranged in the core region of one or more principal swarf flutes in order to enlarge the swarf space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.