Title:
ULTRAFINE FILAMENT MANUFACTURING APPARATUS, NONWOVEN FABRIC MANUFACTURING APPARATUS, ULTRAFINE FILAMENT MANUFACTURING METHOD, AND NONWOVEN FABRIC MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2020/235536
Kind Code:
A1
Abstract:
An ultrafine filament manufacturing apparatus 1 is provided with: a nozzle 4 having a base filament pathway through which a base filament 50 fed from a base filament feeding device 2 passes, a compressed air introduction portion into which compressed air supplied from a compressed air supply device 3 is introduced, and a compressed air ejecting portion which is provided in the vicinity of an outlet side of the base filament pathway and from which the compressed air introduced from the compressed air introduction portion is ejected; a laser irradiation device 5 that irradiates the base filament 50 having passed through the base filament pathway of the nozzle 4 with a laser beam; and an ultrafine filament formation unit 6 that forms an ultrafine filament 51 by drawing the base filament 50 melted by irradiation with the laser beam by means of the compressed air ejected from the compressed air ejecting portion of the nozzle 4.
Inventors:
ICHIBAYASHI TAKU (JP)
IKUMATSU ISAMU (JP)
IBAYASHI KUNIHIKO (JP)
IKUMATSU ISAMU (JP)
IBAYASHI KUNIHIKO (JP)
Application Number:
PCT/JP2020/019681
Publication Date:
November 26, 2020
Filing Date:
May 18, 2020
Export Citation:
Assignee:
JXTG NIPPON OIL & ENERGY CORP (JP)
International Classes:
D04H3/016; D01D5/08; D04H3/16
Foreign References:
| JP2018536779A | 2018-12-13 | |||
| JP2010285699A | 2010-12-24 | |||
| JP2019007114A | 2019-01-17 |
Attorney, Agent or Firm:
OGAWA, Moriaki et al. (JP)
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