NONWOVEN FABRIC
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United States of America Patent
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app pub date -
Mar 9, 2015
filing date -
Apr 4, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention pertains to a nonwoven fabric that can effectively allow the passage of high-viscosity waste. The nonwoven fabric (1) is formed from a substrate (10), which extends in an approximately planar shape and has a first surface (FF) and a second surface (FS) positioned at the reverse side from the first surface, and a plurality of protrusions (12), which protrude from the substrate to the first surface side. The fiber density of the first surface side is greater than the fiber density of the second surface side at the apices of the protrusions.
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