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:
Nov. 08, 2016
Filed:
Jan. 05, 2015
Applicant:
Komet Group Gmbh, Besigheim, DE;
Inventors:
Hendrik Nitzsche, Benningen, DE;
Gerhard Stolz, Ingersheim, DE;
Hans Haidinger, Pleidelsheim, DE;
Benno Spors, Marbach, DE;
Assignee:
KOMET GROUP GMBH, Besigheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 51/06 (2006.01); B23P 15/32 (2006.01); B23B 51/04 (2006.01); B23P 15/28 (2006.01);
U.S. Cl.
CPC ...
B23P 15/32 (2013.01); B23B 51/0493 (2013.01); B23B 51/06 (2013.01); B23P 15/28 (2013.01); B23B 2251/043 (2013.01); Y10T 408/455 (2015.01); Y10T 408/9097 (2015.01);
Abstract
The invention relates to a drilling tool for machine tools has a drill body, a cutting head arranged on the front face of the drill body and a shaft arranged at the end thereof, wherein the drill body has two chip flutes, which are delimited at their flanks by ribs and a first chip flute of which is spirally curved. A second chip flute is not spiraled or is spirally curved with a pitch differing from the first chip flute, preferably running in the same direction of rotation.