Drilling tool and apparatus with improved swarf removal
US5174692A · kind A · utility
16Cited by
6References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 1991 |
| Grant date | Dec 29, 1992 |
| Priority date | — |
| Expiry date | Oct 22, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/455
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A drilling tool, such as, a drill bit or a reamer, including at least two helical flutes about the axis of said tool. The tool is remarkable in that it includes an axial channel opening out at a fixed end of the tool designed to be received in rotary drive means therefor, and a plurality of ducts connecting the axial channel to the bottom of each flute. Each duct opens out into the corresponding flute via an orifice and is inclined towards the free end of the tool, opposite to the fixed end thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.