Apparatus and method for metering a coating applied to a moving web
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United States of America Patent
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Nov 22, 1983
Grant Date -
N/A
app pub date -
Sep 24, 1982
filing date -
Sep 24, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus are provided for metering and smoothing coating on a moving web of material, such as linerboard, paperboard, paper, film, foil or the like, in which the web is fed between a skimming rod below the coated side of the web and a skirt of flexible plastic sheet material extending across the full width of the upper or uncoated side of the web and having a free end portion extending in contact with and in the direction of movement of the web. A pressurized tube in contact with the free end portion of the skirt, causes the skirt to bear directly on the upper surface of the web and downwardly on the rod to create a constant pressure web coating region between the web and the rod within which the coating thickness is skimmed down by the rod to provide a layer of coating on the web of substantially uniform thickness.
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