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:
Oct. 18, 2005
Filed:
Jan. 20, 2004
Erich Leibhard, Munich, DE;
Robert Gienau, Westendorf, DE;
Wolfgang Ludwig, Schwabmünchen, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
An attachment element (), includes a boring head (), a hollow cylindrical receiving body () having, at its end () facing in a setting direction (S) of the attachment element (), a recess for receiving the boring head () and at its opposite end (), an engagement element (), the attachment element further having at least one outlet opening () through which a mortar mass located in the receiving body () is squeezed out under a pressure applied by a piston (), a channel section () extending between the mortar mass and the at least one outlet opening (), and an inner tube () arranged in the receiving body () at a predetermined distance from an inner wall of the receiving body () for forming at least one suction channel () and in which the mortar mass and the channel section () are arranged.