Coating apparatus – Control means responsive to a randomly occurring sensed... – Responsive to attribute – absence or presence of work
Patent
1988-12-28
1990-06-05
Housel, James C.
Coating apparatus
Control means responsive to a randomly occurring sensed...
Responsive to attribute, absence or presence of work
118232, 118681, 118688, 118697, 239 63, 239 74, B05B 314, B05B 1212, B05B 1510
Patent
active
049304410
ABSTRACT:
A moistening arrangement for moistening a flap of an envelope has a nozzle directed to spray a liquid at the envelope flap along a given locus in the plane in response to signals that are a function of the width of the flap for moistening the flap at determined positions thereof. A sensor is positioned to detect the presence of liquid emitted from the nozzle. A control arrangement controls application of liquid to the nozzle while an envelope is adjacent thereto, and liquid is momentarily directed to the nozzle prior to movement of an envelope adjacent to the nozzle for providing an indication of operability of the nozzle and liquid applying arrangement.
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Housel James C.
Parks, Jr. Charles G.
Pitchenik David E.
Pitney Bowes Inc.
Scolnick Melvin J.
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