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:
Aug. 18, 2015
Filed:
Aug. 30, 2010
Jimmy Carlsson, Fagersta, SE;
Göran Stenberg, Fagersta, SE;
Alexander Beronius, Fagersta, SE;
Mattias Göthberg, Örebro, SE;
Samuel Enblom, Örebro, SE;
Jimmy Carlsson, Fagersta, SE;
Göran Stenberg, Fagersta, SE;
Alexander Beronius, Fagersta, SE;
Mattias Göthberg, Örebro, SE;
Samuel Enblom, Örebro, SE;
Atlas Copco Secoroc AB, Fagersta, SE;
Abstract
Rock drilling equipment and drill string components () for top hammer drilling and down-the-hole drilling for positioning between a drill rig and a drill bit include a pipe-shaped element (), which is arranged for transferring only rotational movements from the drill rig to the drill hit. A vibration-damping structure () is arranged adjoining to at least a part of an inside () of the pipe-shaped element in a space () formed inwardly of the inside ().