Conveyors: fluid current – With diverse power-driven conveyor – Reciprocating or oscillating
Patent
1996-08-30
1998-11-17
Pike, Andrew C.
Conveyors: fluid current
With diverse power-driven conveyor
Reciprocating or oscillating
406 32, 406 56, 406 79, 406117, 198524, 198534, 198568, 198751, 198757, B65G 5340
Patent
active
058367217
ABSTRACT:
A powder coating apparatus feeds fine powdered coating material such as thermoplastic type material to a succession of discrete articles passing by the apparatus which includes a vibratory feeder bowl and a spiral track for delivering a substantially constant supply of powdered coating material to the articles. A sensor is also used to regulate an amount of powdered coating material supplied by an auger to the vibratory feeder. The invention also provides a powder feed system that deposits an excess of powdered coating material than that required to form the coating and provides for recirculation of the powder not ultimately used to form the coating back to the powder feeding apparatus.
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