The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 28, 2010
Filed:
Feb. 26, 2004
Glenn W. Sheffler, Blairsville, PA (US);
Gregory A. Hyatt, South Barrington, IL (US);
Paul D. Prichard, Greensburg, PA (US);
Linn R. Andras, Latrobe, PA (US);
Glenn W. Sheffler, Blairsville, PA (US);
Gregory A. Hyatt, South Barrington, IL (US);
Paul D. Prichard, Greensburg, PA (US);
Linn R. Andras, Latrobe, PA (US);
Kennametal Inc., Latrobe, PA (US);
Abstract
A milling cutter () comprises a cutter body () having at least two operational annular rings (). An outer ring () 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 () is at least one ring () comprises a coating of abrasive material. As a result, a workpiece can be both tough and finish milled by a single milling cutter () with the rough cutting inserts () and the abrasive material.