Apparatus for the surface treatment of synthetic fibers or yarns
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United States of America Patent
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Jan 16, 1990
Grant Date -
N/A
app pub date -
Sep 30, 1988
filing date -
Oct 2, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for the surface treatment of synthetic fibers or yarns, in particular of fibers and yarns of polyethylene of ultra-high molecular weight, for improvement of the adhesion, a corona is generated by means of two active electrodes (10, 12), between which the fibers or yarns are passed parallel to the longitudinal extent. The electrodes are designed with a surrounding insulating sheath. The current fed to the electrode (16) is phase-shifted by .phi.=180.degree. with respect to the current fed to the electrode (10).
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