Adjustable bucket for an earth boring machine

Anchor boring unit

Apparatus for controlling the position of a mineral mining machi

Apparatus for controlling the position of a mineral mining machi

Apparatus for cutting excavations having a substantially planar

Apparatus for excavating passages

Apparatus for making small-bore tunnels

Apparatus for mining a seam, in particular of coal

Apparatus for supporting the roof of an underground mine working

Apparatus for the underground operation of a movable mining mach

Articulated boom-dipper-bucket assembly for a tunnel boring mach

Auxiliary cutter units of a shield machine

Channelling machine for cutting a preliminary groove around the

Continuous miner

Conveyor mounted excavator

Cowl arrangements for mining machines

Cutting appliances for use in tunnel driving operations

Device for guying a drift advancing machine within a drift

Device for guying a movable cutting machine

Device for sealing a drift cross section driven by means of a cu