Title:
CREASING METHOD, CREASING APPARATUS, AND LONG FIBER NONWOVEN FABRIC
Document Type and Number:
WIPO Patent Application WO/2020/013316
Kind Code:
A1
Abstract:
The present invention uses a creasing method that comprises: a gripping and rotating step for bunching and gripping a long fiber nonwoven fabric (F) being continuously drawn out and twisting the long fiber nonwoven fabric (F) by rotating the gripped portion to form first folding lines; a heating step for heating the twisted long fiber nonwoven fabric (F) to fix the first folding lines; and a widening step for releasing the long fiber nonwoven fabric (F) in which the first folding lines have been formed.
Inventors:
KIYOHARA TOSHIKAZU (JP)
NISHIMURA YUJI (JP)
NISHIMURA YUJI (JP)
Application Number:
PCT/JP2019/027703
Publication Date:
January 16, 2020
Filing Date:
July 12, 2019
Export Citation:
Assignee:
JXTG NIPPON OIL & ENERGY CORP (JP)
International Classes:
D06J1/10; D04H13/00; D06J1/06; D06J1/08
Domestic Patent References:
| WO2017154871A1 | 2017-09-14 |
Foreign References:
| JPS5129592A | 1976-03-12 | |||
| JPS55111991U | 1980-08-06 | |||
| JPS5482199U | 1979-06-11 | |||
| JPH1018175A | 1998-01-20 | |||
| JPS5482198U | 1979-06-11 | |||
| JP2004197287A | 2004-07-15 | |||
| KR100864559B1 | 2008-10-20 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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