Active sheet-edge airflow control for vacuum conveyors

A valve assembly for controlling airflow along sheet edges on a vacuum transport assembly including a platen including one or more holes arranged in rows in a cross process direction, and a belt displaceable with respect to the platen in a process direction, the valve assembly including a flexible p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Leckinger, Michael T, Dunham, Brian J, Terrero, Carlos M
Format:	Patent
Sprache:	eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A valve assembly for controlling airflow along sheet edges on a vacuum transport assembly including a platen including one or more holes arranged in rows in a cross process direction, and a belt displaceable with respect to the platen in a process direction, the valve assembly including a flexible plate, including a first end, a second end, a first top surface, and a first bottom surface, and a first actuator connected to the second end and operatively arranged to displace the flexible plate.