EXPANDABLE ROCK BOLT AND ROCK BOLTING SYSTEM
Application 2018/KOLNP/2005 published 2006-10-13, filed 2005-10-14
The present invention is related to a rock bolt (7), expandable by means of a pressure media, for insertion into a borehole. The expandable bolt (7) comprises a connection unit (8) with means (11) for detachable interaction with an expansion means (10) for expansion of the rock bolt (7), as well as with a suspension element (16). The connection unit is designed with such external dimensions so that it may be inserted into the borehole. The invention also relates to such a rock bolting system. (FIG. 3)
Applicant
ATLAS COPCO ROCK DRILLS AB
S-701 91 OREBRO, SWEDEN
Inventor
KANFLOD, MORGAN; OBERG, FREDRIK
International Info
Classification: E21D 20/00
Publication Number: WO 04/099571
Application Date: 2004-05-12
Priority Information
0301374-5 SWEDEN 2003-05-12