Coating processes – Application to opposite sides of sheet – web – or strip – Nonuniform coating
Patent
1999-04-20
2000-01-11
Pianalto, Bernard
Coating processes
Application to opposite sides of sheet, web, or strip
Nonuniform coating
427211, 427286, 427428, 427429, B05D 100
Patent
active
060133120
ABSTRACT:
A coating apparatus is disclosed for applying a coating material on one or more zones of a substrate material. In one embodiment, the coating applicators have fluid-wicking strips that apply the coatings directly to the substrate, while in another embodiment, the fluid-wicking strips indirectly apply the coatings to the substrate via feed rolls. Metering mechanisms supply predetermined amounts of coating material to the fluid-wicking strips. Each coating applicator has a housing with a recess for receiving one the fluid-wicking strips therein. One of the fluid-wicking strips is mounted in each housing which has a plurality of transversely spaced passageways. Each passageway of each applicator housing is fluidly coupled to its own separate air actuated metering mechanism which dispenses coating material to the portion of the fluid-wicking strip adjacent thereto. A desired quantity of coating material is simultaneously delivered via the metering mechanisms to each of the applicator housings. Moreover, each metering mechanism can be individually adjusted to deliver different quantities of coating material to different portions of the fluid-wicking strips.
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Cornell Kevin H.
Huffman W. Craig
Henkel Corporation
Jaeschke Wayne C.
Johnson Lance G.
Pianalto Bernard
Szoke Ernest G.
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