FIBERFILL CLUSTERS AND METHODS OF MANUFACTURING SAME
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United States of America Patent
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Issued Date -
Aug 29, 2024
app pub date -
Jun 17, 2022
filing date -
Jun 17, 2021
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Abstract
The invention provides a discrete fiberfill cluster that is made up of a plurality of fibers that are randomly intermingled with one another. Within the plurality of fibers there are 25 to 3600 fibers having a denier of 0.2 to 12.0 and a length of 8 to 160 mm. The plurality of fibers are randomly and non-uniformly oriented with respect to one another. Within the discrete fiberfill cluster, there are: one or more relatively densely populated regions of fibers having a first degree of entanglement; and, proximate to at least one of the one or more relatively densely populated regions, one or more relatively less densely population regions of fibers having a second degree of entanglement that is less than the first degree of entanglement.
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