Importance

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Abstract

An apparatus for sorting material conveyed in a product stream and across a substantially level single layer on a conveyor, wherein the conveyor passes beneath an examination device which determines the presence and transverse location of any undesired material; a number of movable conduits are positioned transversely across the conveyor downstream from the examination device, and are arranged in staggered rows to transversely encompass the entire product stream on the conveyor; the suction device and movable conduits are respectively controlled by the examination device, to cause each conduit to selectively move toward the conveyor and remove undesired material from the conveyor as it passes beneath the suction device, and to move away from the conveyor when no undesired material is positioned beneath the suction device; a valve in the common suction line connected to all conduits stabilizes suction pressure during operation of the apparatus.

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First Claim