Plastic article or earthenware shaping or treating: apparatus – Female mold including tamping means or means utilizing mold... – Means to vibrate shaping surface
Patent
1990-09-27
1993-03-30
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Female mold including tamping means or means utilizing mold...
Means to vibrate shaping surface
249 11, 425 59, 425456, E02D 2912
Patent
active
051982463
ABSTRACT:
A concrete molding device is provided for settling poured concrete. In a preferred embodiment, the form is composed of a plurality of segments stacked one upon the other, each having at least one strengthening flange located on its inner periphery. A vibratory unit containing a base unit provided with a slot is then attached to a flange in tongue and groove fashion.
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Mackey James P.
Monoform, Inc.
Woo Jay H.
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