Creasing method, creasing apparatus, and long fiber non-woven fabric

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United States of America Patent

PATENT NO 11761147
APP PUB NO 20210164155A1
SERIAL NO

17254493

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Abstract

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A creasing method includes: a gripping and rotating step of bunching and gripping a continuously drawn long fiber non-woven fabric and rotating the gripped part so that the long fiber non-woven fabric is twisted and a first folding line is formed; a heating step of heating the twisted long fiber non-woven fabric to fix the first folding line; and a widening step of releasing the long fiber non-woven fabric having the first folding line formed thereon.

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Patent Owner(s)

Patent OwnerAddress
ENEOS MATERIALS CORPORATIONSHIODOME SUMITOMO BLDG 9-2 HIGASHI-SHINBASHI 1-CHOME MINATO-KU TOKYO 105-0021

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kiyohara, Toshikazu Tokyo, JP 2 13
Nishimura, Yuji Tokyo, JP 63 832

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