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1. (WO2018105438) SPINNING NOZZLE

Pub. No.:    WO/2018/105438    International Application No.:    PCT/JP2017/042544
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Wed Nov 29 00:59:59 CET 2017
IPC: D01D 4/02
D01D 5/04
Applicants: STEM CELL & DEVICE LABORATORY, INC.
株式会社幹細胞&デバイス研究所
Inventors: KAWAHARA, Noriyuki
河原 紀之
ENDO, Yoshishige
遠藤 喜重
MIZUMOTO, Muneo
水本 宗男
Title: SPINNING NOZZLE
Abstract:
Provided is a spinning nozzle that is used by an electrospinning device during manufacturing of a fine fiber sheet, whereby a fine fiber sheet can be manufactured stably. The spinning nozzle is provided with a hollow needle. The hollow needle has a tube wall that defines a spinning opening for injecting a liquid forming raw material for fine fiber. The thickness of the tube wall at the tip of the hollow needle is 35 µm or less. This thickness is preferably 30 µm or less, more preferably 15 µm or less, and even more preferably 10 µm or less.