Coating apparatus – Control means responsive to a randomly occurring sensed... – Responsive to attribute – absence or presence of work
Patent
1988-12-28
1990-05-15
Hoag, Willard
Coating apparatus
Control means responsive to a randomly occurring sensed...
Responsive to attribute, absence or presence of work
53 52, 53383, 118679, B05C 102, B05C 500
Patent
active
049248049
ABSTRACT:
A moistening arrangement for moistening the flap of an envelope moving in a first direction in a given plane, includes a nozzle directed to spray a liquid at an envelope flap along a given locus in the plane. A source of first signals that are a function of the position of the edge in the plane is provided. An arrangement responsive to the first signals moves the nozzle in a direction substantially parallel to the plane for moistening the flap at positions thereof. The source comprises a source of first signals corresponding to the edge positions of the flap at a position spaced a given distance from the locus in a second direction opposite the first direction. A source of a second signal corresponding to the velocity of the envelope is provided. The arrangement for moving the nozzle comprises means for moving the nozzle as a function of the given distance and the first and second signals, so that the nozzle is moved to be substantially continuously positioned to be adjacent the edge of an envelope flap passing the locus.
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Bergman Norman J.
Dolan Donald T.
O'Dea Kevin J.
Hoag Willard
Parks, Jr. Charles G.
Pitchenik David E.
Pitney Bowes Inc.
Scolnick Melvin J.
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