Device for cooling the bits of a cutting machine

Device for cooling the bits of cutting machine

Device for preventing collision between part of the cutting arm

Device for protecting selective cutting machines against...

Device for removing gravels and the like from discharged mud in

Doping a retort to determine the locus of a processing zone

Double ended ranging drum shearer and method of controlling work

Double ranging drum cutter having bedrock sensor based on video

Double ranging drum cutter having load controller

Drive system having a pin drive chain for a cutting machine for

Driving system for driving flexible elongate members, such as ch

Electrohydraulic coal-mining system

Emergency system for mines

Excavating machines for excavating rock and minerals having firs

Excavating machines for tunneling with template fixed to boom

Floor milling machines

Fluid control system for roadway grooving apparatus

Fluid supply system for rotary cutter heads for mining equipment

Fluid supply systems for rotary cutter heads for mining machines

Gauging apparatus and method, particularly for controlling minin