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:
Jun. 14, 2016
Filed:
May. 09, 2012
Applicants:
Klaus-peter Bohn, Schaanwald, LI;
Stefan Grasberger, Feldkirch, AT;
Werner Kleine, Achim, DE;
Inventors:
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/60 (2006.01); B23P 15/28 (2006.01); B23B 51/06 (2006.01);
U.S. Cl.
CPC ...
B23P 15/28 (2013.01); B23B 51/06 (2013.01); B23B 2226/75 (2013.01); B23B 2251/406 (2013.01); B23B 2251/68 (2013.01); B23B 2270/62 (2013.01);
Abstract
A drill bithas a drill headand a shank. The shankhas a body, an add-on partand an internal channel. The drill headis attached to the body. The add-on partis attached to a lateral surfaceof the bodyand arranged completely within a cylindrical envelopethat circumscribes the body. The internal channel is configured within the add-on part and/or between the add-on partand the lateral surface