Pump system for moistener nozzle

Coating apparatus – Control means responsive to a randomly occurring sensed... – Responsive to attribute – absence or presence of work

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Details

118323, 118324, 1564415, 1564421, 156455, B05C 102

Patent

active

049248057

ABSTRACT:
A moistening arrangement for mositening the flap of an envelope comprising an applicator, such as a nozzle directed to apply a liquid to an envelope flap along a given locus, includes a source of first signals that are a function of the width of the flap. An arrangements responsive to the first signals moves the applicator along the edge of the flap for moistening the flap at positions thereof. A source provides second signals that are a function of the shape of the flap. A pump is controlled to supply a quantity of the liquid to the applicator that is a function of the second signals.

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