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. 12, 2010
Filed:
Mar. 24, 2006
Applicant:
Fredrik Öberg, Örebro, SE;
Inventor:
Fredrik Öberg, Örebro, SE;
Assignee:
Atlas Copco Rock Drills AB, Orebro, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21D 20/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device () for installing a pressure fluid expandable rock bolt () of the kind having a tubular expansion portion and a fitting portion, said device at a distal portion having chuck means for gripping the fitting portion and for establishing a sealed connection between a fluid source and the inlet, said device extending essentially in an axial direction. The device includes at a proximal portion a holder portion () that is adapted to be fitted to a drill string engagement element () of a rock drilling machine. The invention also concerns a method and a rig.