Multi-purpose drilling tool
US7401667B2 · kind B2 · utility
18Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2004 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | Apr 27, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/9097
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a multi-purpose drilling tool with a boring head, a drill twist connected thereto and a downstream clamping shank, a cutting element (1) being provided on the working side of the boring head. The cutting element (1) has a face (9, 24) with a rake angle (γ) having a value of γ≧0° b, the cutting element (1) having a flank (10, 13) with a lip clearance angle (α) having a value of 5°≦α≦15° and, in particular, α≈10°.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.