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:
Feb. 22, 2011
Filed:
Jul. 26, 2007
Applicants:
Christof Tschernuth, Villach, AT;
Martin Neuhold, Ferndorf, AT;
Michael Meidl, Seeboden, AT;
Inventors:
Assignee:
Atlas Copco MAI GmbH, Feistritz an der Drau, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21D 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A friction tube anchor has a tube () which can be expanded under the action of a pressurized medium and which is attached to a casing (). The casing () is screwed into a section () of a casing-like sleeve () which is provided with a thread and is sealed by ring packing () relative to the inside of the section (). The casing-like sleeve () has another section () which is provided with a thread and in which selectively either another expandable tube (), or an adapter for feeding the pressurized medium for expanding the tube (), or a fastening bolt, for example an eye bolt, can be screwed.