Plastic article or earthenware shaping or treating: apparatus – Female mold including tamping means or means utilizing mold... – Means to vibrate shaping surface
Patent
1994-06-06
1996-05-28
Aftergut, Karen
Plastic article or earthenware shaping or treating: apparatus
Female mold including tamping means or means utilizing mold...
Means to vibrate shaping surface
249 26, 249 36, 249 661, 249 81, 249109, 249120, 249139, 264 31, 264219, 264333, 425 62, 425444, 425447, 425456, B28B 108, B28B 710, B28B 724, B28B 726
Patent
active
055205313
ABSTRACT:
A portable concrete molding apparatus for forming concrete structures of a predetermined configuration, either on-site or at a central manufacturing facility. The apparatus includes a trailer having furnace plenum bounded by a pair of fixed walls. Each fixed wall cooperates with a movable wall for forming a mold therebetween. Each movable wall includes a concrete inlet for introducing concrete into the bottom portion of the mold. The fixed and movable walls include push-off valves for ensuring separation of a concrete structure from the mold walls, as the mold walls are separated.
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