Pulsed airknife control for a vacuum corrugated feed supply

Details Pulsed airknife control for a vacuum corrugated feed supply Pulsed airknife control for a vacuum corrugated feed supply

2006-03-07

2006-03-07

Bollinger, David H. (Department: 3653)

Sheet feeding or delivering

Feeding

Separators

Reexamination Certificate

active

07007944

ABSTRACT:
A method of operating a vacuum corrugated belt feeder with positive air pressure-separator during a feed cycle wherein the vacuum and the positive pressure air are controlled by a vacuum valve and a positive air pressure valve respectively, wherein the paper is taken away by a belt which is activated when a feed clutch is energized, comprising actuating the vacuum at the start of the feed cycle and de-actuated the vacuum when the feed clutch is de-energized, and pulsing the positive air pressure separator by actuating and de-actuating the positive air pressure separator during the feed cycle.

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patent: WO 96 00631 (1996-01-01), None

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