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The piece of boarding which covers the rough apron piece of a staircase.
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Related Terms |
MATTE FEEDER
A heavy-duty apron feeder composed of thick steel flights attached to a solid chain-link mat supported by closely spaced rollers.
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LIP
1. A parapet placed on the downstream margin of a millrace or apron in order to minimize scouring of the river bottom. 2. Cutting edge of a fluted drill formed by the intersection of the flute and the lip clearance angle, and extending from the chisel edge at the web to the circumference.
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APRON
The area immediately in front of or behind a wharf shed on which cargo is lifted. On the 'front apron,' cargo is unloaded from or loaded onto a ship. Behind the shed, cargo moves over the 'rear apron' into and out of railroad cars.
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APRON FEEDER
A limited-length version of apron conveyor used for controlled-rate feeding of pulverized materials to a process or packaging unit. Also known as plate-belt feeder; plate feeder.
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