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:
Dec. 10, 2002
Filed:
Apr. 09, 2001
Applicant:
Inventors:
Lutz Achim Sager, Scheuring, DE;
Erich Leibhard, Munich, DE;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21D 2/100 ;
U.S. Cl.
CPC ...
E21D 2/100 ;
Abstract
A tubular anchor including a tubular member ( ) having, at its one end, a crown-shaped drilling head ( ) and, at its opposite end, a load application element a substantially cylindrical hollow element ( ) filled with a mortar mass ( ), located inside the tubular member ( ), and having, at its end facing in the direction opposite to the setting direction, an opening ( ) enabling flow of the mortar mass therethrough, and at least one longitudinal channel ( ) communicating the opening ( ) with an outlet opening ( ) provided in the region of the drilling head ( ).