Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Article ejector or stripper control
Patent
1991-01-02
1992-09-08
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
Article ejector or stripper control
425148, 425150, 425257, 425259, 425261, 425348R, 425361, 425444, B29C 4300
Patent
active
051456923
ABSTRACT:
Portable brick manufacturing apparatus (20) mounted on a skid pad (21) includes two brick making systems. Each system includes a ring (25, 65) with three open-ended mold boxes (23, 70) mounted to the ring in equiangular spacing thereabout. Drive means (30,32,30',31') and an indexing controls mechanism (51) operate to rotate the ring in steps such that the mold boxes come to rest at a fill station, a compacting station and a brick ejection station, respectively. The two systems share a compacting station and a slide plate (60) provides a bottom for the mold boxes at the fill and compacting stations and in movement therebetween for each systems. In one system, hoppers (52,56) conveyors (54,49) a blender (58) and a spray nozzle (59) deliver soil and additives to a mold box at the fill station. Similar components are included in the second system. The indexing mechanism (51) responds to a sensor signal to control the weight of depost in a mold box. It also controls a ram (35) at the compacting station for compacting soil and additives to form a brick and a ram (50) for ejecting a brick from a mold box at the ejection station. The two systems can operate separately or in synchronism such that a mold box (23) from the first system and a mold box (70) from the second system are received in alternation at the compacting station, provided both systems use the same ram press plate.
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Bushey Scott
Marnock Marvin J.
Woo Jay H.
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