Methods and apparatus for an annular core cutter

Details Methods and apparatus for an annular core cutter Methods and apparatus for an annular core cutter

2008-03-04

2008-03-04

Cadugan, Erica (Department: 3722)

Metal working

Plural diverse manufacturing apparatus including means for...

Including composite tool

C409S132000, C409S137000, C409S138000, C407S002000, C408S022000, C408S067000

Reexamination Certificate

active

11464082

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.

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