Any of several types of conveyors adapted for loading bulk materials,
packages, or objects into cars, trucks, or other conveyors.
See also:portable conveyor
The number of pounds of explosive per foot length of drill hole.
Nelson
Mechanical shovels or other machines singly or in combination used to load
excavated or stockpiled materials into trucks, mine cars, conveyors, or
other transportation or haulage units.
That part of a loading machine that gathers the coal or rock and places it
on the machine's elevating conveyor.
One who operates the loading device of any type of conveyance equipped
with a self-loading head for the mechanical underground loading of coal or
other mineral. Hess
A hopper used to receive and direct material to a conveyor.
a. A generic term for any power-operated machine for loading mined coal or
any other material into mine cars, conveyors, road vehicles, or bins.
b. A machine for loading materials, such as coal, ore, or rock, into cars
or other means of conveyance for transportation to the surface of the
mine. See also:loader
A person who operates a mobile loading machine.
Syn:loading-machine runner
A box or scoop into which broken rock is shoveled in a sinking shaft while
the hoppit is traveling in the shaft. A small hoist is used to lift and
discharge the pans into the hoppit on its return to the shaft bottom.
See also:box filling
Eng. A pick for cleaning coal. Fay
a. The point where coal or ore is loaded into cars or conveyors, where a
conveyor discharges into mine cars, or where a wagon or lorry is loaded.
See also:transfer point
b. N. of Eng. Where coal is transferred from a mother gate or trunk belt
conveyor into tubs. Trist
A nonmetallic pole used to assist the placing and compacting of explosive
charges in boreholes. Atlas
A surface structure, often incorporating storage bins, used for gravity
loading bulk material into transport vehicles. Nelson
In quarrying, the number of tons of rock blasted per 1 lb (0.454 kg) of
explosive. The harder the rock, the lower the ratio.
See also:explosive factor; explosive ratio. Also called powder factor.
Streefkerk
Eng. Pillars of masonry carrying a winding drum or pulley. Fay
A mechanical shovel able to operate as a forklift truck, a crane, or a
loader. See also:shovel loader
A device consisting of one or more plates, or a hopper receiving and
placing material on the conveyor belt for transport. When such a loading
station is located at the tail end, it is known as a tail-end loading
station; when it is located along the intermediate section, it is known as
an intermediate loading station. NEMA, 2
See:loader boss
Weight of a powder that is filled into a container under stated
conditions. See also:bulk density
A type of static metamorphism in which pressure due to deep burial has
been a controlling influence, along with high temperature.
CF:thermal metamorphism