Drilling tool for cutting cast materials
US7296954B2 · kind B2 · utility
7Cited by
7References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 7, 2005 |
| Grant date | Nov 20, 2007 |
| Priority date | — |
| Expiry date | Nov 7, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/9097
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A drill for hard materials, comprising webs that are subdivided by means of cutting grooves, and at least one principal cutting edge, each of which is provided with a cutting corner and a transition to a chisel edge. At least some sections of the principal cutting edge are continuously convex in an axial direction starting from the cutting edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.