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:
Mar. 21, 2006
Filed:
Jun. 23, 2004
Applicants:
Jan Allaart, Mauren, LI;
Sven Dietze, Feldkirch, AT;
Thorsten Ebert, Hergensweiler, DE;
Inventors:
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fastening element which has a core () of a relatively hard, carburized steel and a ferritic rim zone () of a less hard, low-carbon steel, includes a stem (), a head () provided at one end of the stem (), a tip () provided at an opposite end of the stem (), and a transition region () extending between the stem () and the tip () and in which a thickness () of the ferritic rim zone () gradually diminishes from the stem () in a direction toward the tip () to a nill value (), so that the tip () is free from the ferritic rim zone ().