Charging method for meltblown webs
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United States of America Patent
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Oct 19, 1993
Grant Date -
N/A
app pub date -
Jul 15, 1992
filing date -
Jul 15, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Electrically charged meltblown webs are formed by convergingly discharging electrically charged hot air onto a row of extruded polymer fibers to contact the fibers thereby (i) attenuating and stretching the fibers and (ii) imparting an electric charge to the fibers. The fibers may be continuous or discontinuous.
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