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. 15, 2014
Filed:
Jul. 20, 2010
Applicants:
Arno Glaser, Vaduz, LI;
Steven Moseley, Feldkirch-Tisis, AT;
Michael Bischof, Bregenz, AT;
Inventors:
Assignee:
Hilti Aktiengesellschaft, Schann, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 51/02 (2006.01); B25D 17/02 (2006.01); B22F 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drill having a drill head () made of hard metal and a shaft () or a coupling piece () made of a sintered iron alloy. The hard metal is joined in the form of a material connection to the sintered iron alloy by a sintering process.