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:
Jul. 02, 2019
Filed:
Jan. 13, 2017
Kennametal Inc., Latrobe, PA (US);
Julia Tempelmeier, Roth, DE;
KENNAMETAL INC., Latrobe, PA (US);
Abstract
A method is specified for producing a rotary tool () having a base body (), which extends in a longitudinal direction (L) and in which at least one flute () is ground in by grinding in a first partial flute (A) with a first helix angle (W) in a first grinding step and by subsequently grinding in a second partial flute (B) with a second helix angle (W) in a second grinding step, the second helix angle differing from the first helix angle (W) so that a flute () that expands in the longitudinal direction (L) is formed, wherein the two partial flutes (A,B) are ground in using the same grinding wheel (). In this way, a particularly quick production is realized. Furthermore, a corresponding rotary tool () is specified.