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. 15, 2011
Filed:
May. 03, 2007
Jean-luc D. Dufour, Franklin, TN (US);
X. Daniel Fang, Brentwood, TN (US);
David J. Wills, Brentwood, TN (US);
Gilles Festeau, Ferney Voltaire, FR;
Thomas B. Hartman, Murfreesboro, TN (US);
Jean-Luc D. Dufour, Franklin, TN (US);
X. Daniel Fang, Brentwood, TN (US);
David J. Wills, Brentwood, TN (US);
Gilles Festeau, Ferney Voltaire, FR;
Thomas B. Hartman, Murfreesboro, TN (US);
TDY Industries, Inc., Pittsburgh, PA (US);
Abstract
A generally parallelogram-shaped cutting insert includes a top face; first and second main radial clearance faces, each intersecting the top face; first and second minor axial clearance faces each intersecting the top face and connecting the first and second main radial clearance faces; and a main cutting edge at the intersection of the top face and the first main radial clearance face. According to one non-limiting embodiment, the main cutting edge comprises a variable radial rake angle including a portion having a positive radial rake angle and a portion having a negative radial rake angle.