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:
Mar. 07, 2017
Filed:
Apr. 28, 2009
Jean-luc Dufour, Franklin, TN (US);
X. Daniel Fang, Brentwood, TN (US);
David J. Wills, Franklin, TN (US);
Thomas B. Hartman, Murfreesboro, TN (US);
Jean-Luc Dufour, Franklin, TN (US);
X. Daniel Fang, Brentwood, TN (US);
David J. Wills, Franklin, TN (US);
Thomas B. Hartman, Murfreesboro, TN (US);
KENNAMETAL INC., Latrobe, PA (US);
Abstract
A double-sided cutting insert for a drilling tool includes a top side, a bottom side, and at least one side surface interconnecting the top side and the bottom side and forming at least one cutting edge. The top side and the bottom side comprise a different external profile and chip groove geometry and an identical inscribed circle, and each of the top side and the bottom side comprises four indexable cutting edges.