Multicomponent textile fibers, methods for their production, and products made using them
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United States of America Patent
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May 15, 2012
Grant Date -
Mar 12, 2009
app pub date -
Jul 18, 2008
filing date -
Jul 24, 2007
priority date (Note) -
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Abstract
A fiber is produced comprising polymers of differing types which are not admixed during production. The differing polymer types are heated to the point of softening in a vertically-oriented crucible and a fiber comprising the polymers in positions corresponding to their positions in the crucible is drawn from an orifice at the lower end of the crucible.
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