Nonwoven havng a corrugated structure, intermediate product, and method for producing a nonwoven having a corrugated structure
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United States of America Patent
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May 20, 2021
app pub date -
Aug 27, 2020
filing date -
Aug 28, 2019
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Abstract
The invention relates to a three-dimensional structured nonwoven, which is formed from staple fibers (F1, F2, F3). In order to be able to produce such a nonwoven using simple means, the invention proposes providing groove channels (R) on at least one of its surfaces (O), which channels are milled into the surface (O) provided with the groove channels.
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