B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 3/48 (2006.01) B65H 3/12 (2006.01)
Patent
CA 2041923
A top vacuum corrugation feeder employs a vacuum feedhead working in conjunction with an air knife to feed sheets from the top of a stack. The air knife employs a thick boundary layer of air at a low pressure to suspend and separate the sheets by aerodynamic drag, resulting in about a 50% reduction in the required power for operation of conventional top vacuum corrugation feeders.
Lemmon David J.
Shehata Ahmed-Mohsen
Sim & Mcburney
Xerox Corporation
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