(Dec 20, 2013)
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PIONEER MANUFACTURER OF CRANES
That business continues with P&H-trademark cranes and hoists supplied and supported by Morris Material Handling Inc
Morris Material Handling was acquired as of December 31,2009 by Konecranes, Inc
Continuous miners – electric, self-propelled digging machines that cut material using carbide-tipped bits on a horizontal rotating drum
Longwall shearers – a material-cutting machine that moves back and forth on an armored face conveyor running parallel to the coal or other material being mined
A longwall face may range up to 400 meters in length
Armored face conveyors – material handling conveyors that transport material cut by the shearer away from the longwall face
Battery haulers – battery-powered material haulage cars similar to shuttle cars
P&H shovel dippers range in size from 12 cubic yards / 9 cubic meters up to 82 cubic yards / 63 cubic meters
They then apply inward “drag” force to quickly load the bucket, and then hoist and swing forces to cast-dump the material onto a nearby spoil pile
In-pit crushing-conveying systems – P&H is developing in-pit crushing-conveying systems that enable shovels to load a mobile mining crusher with material
That material is then relayed via a series of conveyors to spoil piles elsewhere in coal mine operations before the mine taps those spoil piles later on to reclaim mined lands
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