Plastic article or earthenware shaping or treating: apparatus – Female mold and cooperating stock smoothing means or excess... – For means excavating from bulk source with simultaneous...
Patent
1994-10-28
1996-07-02
Nguyen, Khanh P.
Plastic article or earthenware shaping or treating: apparatus
Female mold and cooperating stock smoothing means or excess...
For means excavating from bulk source with simultaneous...
425218, 425363, 425367, 425383, 425385, 425469, 404 93, B28B 1108
Patent
active
055315844
ABSTRACT:
An automated trowelling system for providing a smooth, even finish to one or both sides of a wall. The present system smooths wet surface materials such as concrete or plaster quickly and consistently with minimum manual intervention. Horizontal brackets on the wall support a horizontally translating column and an associated vertically reciprocating trowel. A first motor propels the column and trowel laterally along the wall, while a second motor effects vertical motion. A forward scoop removes excess wall finishing material ahead of the reciprocating trowel, and a nonreciprocating finish trowel follows the reciprocating trowel to provide an enhanced finish to the wall. A processing unit enhances the ability of the system to operate with minimum manual intervention. Sensors provide input to the processing unit.
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