Methods and apparatus for an annular core cutter
US7337523B1 · kind B1 · utility
0Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2006 |
| Grant date | Mar 4, 2008 |
| Priority date | — |
| Expiry date | Aug 11, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T409/30952
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An annular core cutting apparatus includes a cutting head including a generally cylindrical sidewall having a first end and a second end, wherein the first end has a cutting edge, and wherein the sidewall includes a plurality of openings having at least one sharpened edge. A spindle is coaxially and rigidly coupled to the second end of the cylindrical sidewall, and the spindle configured to rotate about a rotational axis. In a further embodiment, a generally conical member is disposed within the cutting apparatus to assist with grinding and removal of waste material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.