Deformable tunnel

Detachable anchor bolt mixing head for use in mine roof...

Device and method for installing a rock bolt and a rock bolt...

Device for a rock wall

Device for coating tunnel walls

Device for connecting a supply pipe to the inner channel of...

Device for consecutively supporting a drift

Device for erecting a segmented tunnel wall lining

Device for erection of pressed monolithic lining in...

Device for generating high-speed pulsed liquid jets at high...

Device for joining two concrete members together

Device for opening and supporting a headway

Device for provisionally consolidating a gallery and...

Device for rock bolting and for automatized rock bolting and...

Device for setting a rock bolt

Device for setting anchors

Device for storing a wire in a wire bolting means

Device for supporting a gallery or a tunnel

Device for the demolishing and removal of earthwork, in...

Device particularly intended for long-hole drilling at...