Apparatus for the continuous wet treatment of woven fabric and knitted fabrics
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United States of America Patent
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-
Oct 22, 1991
Grant Date -
N/A
app pub date -
Jun 26, 1990
filing date -
Jul 5, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for the continuous wet treatment of woven fabrics and knitted fabrics comprising a casing providing with an entry slot and an exit slot for the fabric under treatment, a curved widening cylinder, a series of rollers covered with a rubber layer with their axes parallel and transverse to the fabric feed path, the rollers being arranged in zig-zag formation in a vertical plane one in contact with the next. The series of rollers comprises in succession idle rollers, presser rollers and a motorized roller. The apparatus also comprises a squeezing roller positioned in proximity to said exit slot in contact with the motorized roller. There are also provided devices for adjusting the contact pressure between the presser rollers and their adjacent rollers and between said squeezing roller and its adjacent roller, and pairs of scraper seals positioned against the side ends of each mutually contacting roller pair of said series. Finally, there are provided two treatment liquid feed pipes in the top of the casing in positions corresponding with two different contact regions between the rollers, and a treatment liquid discharge pipe.
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