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. 13, 2015
Filed:
Oct. 08, 2009
Applicants:
Sven-olov Nystrom, Örebro, SE;
Jan Olsson, Örebro, SE;
Inventors:
Sven-Olov Nystrom, Örebro, SE;
Jan Olsson, Örebro, SE;
Assignee:
Atlas Copco Rock Drills AB, Orebro, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21D 20/00 (2006.01); E21D 20/02 (2006.01);
U.S. Cl.
CPC ...
E21D 20/003 (2013.01); E21D 20/028 (2013.01);
Abstract
The invention comprises an injection device (), for injecting fixing material in a drill hole () during rock bolting, comprising a hose system () and a feed unit (). The hose system () comprises an injection pipe (), the injection device further comprises a positioning means () adapted to adjust the position of the injection pipe () in relation to the drill hole () and the feed unit () comprises means () adapted to drive the hose system () such that the injection pipe () enters the drill hole () for supplying fixing material into the hole () during operation.