Process of making tri-arc filaments
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United States of America Patent
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Jul 29, 2014
Grant Date -
Jan 30, 2014
app pub date -
Jul 25, 2012
filing date -
Jul 25, 2012
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Abstract
A spinneret having tri-arc holes may be used to produce tri-arc filaments. In some instances, tri-arc holes have a Y-shape with three prongs and each prong having an arc at the end of the prong that tapers from the end of the arc to a connection point of an adjacent arc, and tri-arc filaments have a generally-Y shape cross-section with bulbous or arcing tips. Further, tri-arc filaments may be useful in a plurality of applications including, but not limited to, filters, filters comprising particulate additives, and smoking device filters.
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