Importance

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Abstract

Systems, methods and apparatus for a meltblown die comprising a die body; a die tip mounted to the die body and having one or more capillaries, wherein the die tip is configured to direct polymer out through the one or more capillaries into a forming zone, a plurality of passages having an interior region and configured to direct attenuating fluid through the interior region and out into the forming zone; and an air management device having a plurality of air shaping devices, wherein the air management device is at least partially within at least one of the plurality of passages, and the plurality of air shaping devices are configured to re-arrange air flow in the at least one of the plurality of passages to reduce turbulence of the attenuating fluid in at least one of the interior region and the forming zone.

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First Claim