Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gregory A. Hyatt0
Glenn W. Sheffler0
Linn R. Andras0
Paul D. Prichard0
Date of Patent
September 28, 2010
0Patent Application Number
116665260
Date Filed
February 26, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A milling cutter (10) comprises a cutter body (12) having at least two operational annular rings (13, 14). An outer ring (13) is provided for rough milling and includes a plurality of cutting inserts spaced about the periphery of the cutter body. Positioned radially inward of the outer ring (13) is at least one ring (14) comprises a coating of abrasive material. As a result, a workpiece can be both tough and finish milled by a single milling cutter (10) with the rough cutting inserts (18) and the abrasive material.
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