Volume nonwoven fabric

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United States of America Patent

PATENT NO 10876234
APP PUB NO 20180230630A1
SERIAL NO

15751491

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Abstract

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A method for producing a volume nonwoven fabric includes the steps of: (a) providing a nonwoven fabric raw material, containing fiber balls and binder fibers; (b) providing an air-laying device, which has at least two spiked rollers between which a gap is formed; (c) processing the nonwoven fabric raw material in the device in an air-laying method, the nonwoven fabric raw material passing through the gap between the spiked rollers, fibers or fiber bundles being pulled from the fiber balls by the spikes; (d) laying on a laying apparatus; and (e) thermally bonding so as to obtain the volume nonwoven fabric.

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Patent Owner(s)

Patent OwnerAddress
CARL FREUDENBERG KGHOEHNERWEG 2-4 WEINHEIM 69469

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grynaeus, Peter Birkenau, DE 19 131
Herrlich, Ulrike Bammental, DE 1 0
Sattler, Thomas Wald-Michelbach, DE 4 6
Scharfenberger, Gunter Frankenthal, DE 14 78

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