Roller coating system for impregnation of multi-filament web with resin, and method of making a fiber/resin composite material
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United States of America Patent
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Mar 4, 1997
Grant Date -
N/A
app pub date -
Aug 11, 1995
filing date -
Aug 11, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for coating a web by contact with a transfer roll partially immersed in a reservoir of coating material and rotated into resin-transferring contact with the web on a first main web surface thereof. The web in passage away from the transfer roll is contacted on a second main surface of the web, the second main surface being opposite the first main surface of the web, by a medial main cylindrical portion of a stepped squeegee roll comprising a medial main cylindrical portion of a first relatively smaller diameter, and marginal shoulder portions each of a second relatively larger diameter in relation to the diameter of the medial main cylindrical portion. The stepped squeegee roll is tensionally biased toward, but in spaced relationship to the transfer roll, being maintained in tensionally biased relationship by spring or other tensionally biasing means, to limit the coating material thickness on the web.
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