- 专利标题： Creasing method, creasing apparatus, and long fiber non-woven fabric
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申请号： US17254493申请日： 2019-07-12
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公开(公告)号： US11761147B2公开(公告)日： 2023-09-19
- 发明人: Toshikazu Kiyohara , Yuji Nishimura
- 申请人： ENEOS CORPORATION
- 申请人地址： JP Tokyo
- 专利权人： ENEOS CORPORATION
- 当前专利权人： ENEOS CORPORATION
- 当前专利权人地址： JP Tokyo
- 代理机构： Oliff PLC
- 优先权： JP 18133397 2018.07.13
- 国际申请： PCT/JP2019/027703 2019.07.12
- 国际公布： WO2020/013316A 2020.01.16
- 进入国家日期： 2020-12-21
- 主分类号： D06J1/08
- IPC分类号： D06J1/08 ; D04H3/00 ; D06J1/10
摘要：
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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