Coating processes – Restoring or repairing
Patent
1993-10-14
1995-01-31
Bell, Janyce
Coating processes
Restoring or repairing
427306, 427317, 427230, 427355, 427369, B32B 3500, B05B 1300
Patent
active
053857526
ABSTRACT:
A method and apparatus for coating an interior surface in which a spinning vaned plate is used to apply a low-water-content mortar-like substance to an interior surface, such as a manhole, wetwell or similar structure. A tank containing the mortar-like substance is positioned above the vaned plate, and a valve is located between the tank and the vaned plate for controlling the flow of mortar-like substance from the tank to the spinning vaned plate. An agitating element such as a vibrator head is associated with the tank for inducing the mortar-like substance to flow freely. The apparatus may be lowered into a structure, and the mortar-like substance applied to the interior walls without a worker having to enter the structure.
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