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:
May. 31, 2011
Filed:
Sep. 05, 2006
Steven R. Stokey, Dover, OH (US);
Martin Alan Jackson, Canton, OH (US);
Joseph P. Nuzzi, Dover, OH (US);
Wendell E. Mast, Dundee, OH (US);
Steven R. Stokey, Dover, OH (US);
Martin Alan Jackson, Canton, OH (US);
Joseph P. Nuzzi, Dover, OH (US);
Wendell E. Mast, Dundee, OH (US);
Allied Machine & Engineering Corp., Dover, OH (US);
Abstract
A cutting tool insert and holder therefore, the drill insert having a helical geometry corresponding to helical flutes in a drill body holder which enable the drill tool assembly to more efficiently remove chips from a hole during operation, the drill insert comprising a drill insert body having a first end opposite a second end, a plurality of helical flutes formed in the drill insert body, a plurality of cutting edges formed at the interfaces of the plurality of helical flutes and the first end of the drill insert body, and an aperture formed in each helical flute.