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1. (WO2017155252) DUAL-STRUCTURED FILAMENT

Pub. No.:    WO/2017/155252    International Application No.:    PCT/KR2017/002353
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Sat Mar 04 00:59:59 CET 2017
IPC: D02G 3/36
D02G 3/26
D02G 3/32
D02G 3/04
D02G 3/44
D01D 5/34
D01F 1/10
A43B 3/20
Applicants: BBC CO,.LTD.
비비씨 주식회사
Inventors: KANG, Ki Tae
강기태
KIM, Sung Jin
김성진
HWANG, So Hui
황소희
Title: DUAL-STRUCTURED FILAMENT
Abstract:
Disclosed is a dual-structured filament comprising: a triangular bar-shaped core; and a sheath in the center of which the core is embedded, wherein the sheath has the shape of an inverted triangular pipe having the core embedded in the center thereof. The filament according to the present invention comprises core and sheath made of differing materials, and has high strength and durability as well as superb flexibility and elasticity to thus reduce irritation and damage to the gums from tooth brushing and double the effectiveness thereof.