135809 ⎘
Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by force or pressure applied to side of slit, e.g. by wedges with means for both slitting and breaking-down
CUTTER HEAD FOR MINING MACHINE
#2Method for removing material from a rock wall
#3Cutting device with tapered cutting element
#4Cutting head having segmented cutting disc
#5Cutter head for mining machine
#6Cutting device with tapered cutting element
#7Cutting head having segmented cutting disc
#8Cutting device with wear elements
#9Cutter head for mining machine
#10Cutter head for mining machine