Process and apparatus for the continuous application of treating liquor on an absorptive, compressible material web
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United States of America Patent
Stats
-
Jul 11, 1989
Grant Date -
N/A
app pub date -
Apr 15, 1988
filing date -
Apr 16, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process and an apparatus for the continuous and controlled application of liquor on an absorptive, compressible material web such as textile webs, warp yarn layers or fleeces. One or more liquors are applied in amounts being comprised between the values of water retention capacity and saturation. The liquor containing web is passed through an equalizing device wherein the web is drawn through an equalizing nip or slit whose thickness is adjustable and smaller than the thickness of the incoming, liquor containing material web. The equalizing may be effected in the nip of two rollers. The liquor concentration in the web before and after the equalizing is statistically the same.
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