Coating apparatus – Control means responsive to a randomly occurring sensed... – Responsive to attribute – absence or presence of work
Patent
1988-10-18
1990-03-20
Hoag, Willard
Coating apparatus
Control means responsive to a randomly occurring sensed...
Responsive to attribute, absence or presence of work
118684, 118302, 118304, 118315, 118313, 118418, 239562, 2395811, B05B 302, B05C 309
Patent
active
049091816
ABSTRACT:
A fluid distribution bar, such as for applying a liquid or other fluent medium to a tumbling bed of material to be coated, has concentrically mounted inner and outer tubes in the described embodiment. The inner tube has a plurality of outlets along a length of the tube which are alignable with corresponding openings formed in the outer tube by relative movement of the tubes. A plurality of slidable seals each corresponding to an inner tube outlet are mounted in the interior of the outer tube to overlie and seal the inner tube outlets in a first position, with the relative movement of the tubes unsealing the outlets in a second position for fluid distribution. The described embodiment uses seals comprising an elongated flexible resilient sealing strip mounted at each end in apertures formed in the outer tube such that the flexible strips are elastically deformed to slidably bear against the exterior surface of the inner tube for a good sealing engagement.
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Hoag Willard
W. Wrigley Jr. Company
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