FABRIC WITH BI-DIRECTIONAL THICKNESS VARIATION
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United States of America Patent
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Issued Date -
Dec 7, 2023
app pub date -
Aug 24, 2021
filing date -
Oct 21, 2020
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Abstract
Disclosed herein is a weft knit spacer fabric (200) having variable thicknesses, comprising a first surface layer (210) formed from a first set of yarn (215); a second surface layer (220) formed from a second set of yarn (225); and a set of spacer yarn (230) between the first and second surface layers (210, 220), where the thickness is varied by varying in each course one or both of: the density of tuck stitches (235) formed by the set of spacer yarn (230) with the first and/or second surface layers (210, 220); and the thickness of the spacer yarn (230) in each course, provided that when the fabric (200) has a free-standing 3-dimensional shape, it is a moulded fabric.
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