Title:
DUAL-STRUCTURED FILAMENT
Document Type and Number:
WIPO Patent Application WO/2017/155254
Kind Code:
A1
Abstract:
Disclosed is a dual-structured filament comprising: bar-shaped cores; and a sheath in the center of which the cores are embedded, wherein the circular bar-shaped cores are radially arranged in the center of the sheath. 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.
Inventors:
KANG KI TAE (KR)
KIM SUNG JIN (KR)
HWANG SO HUI (KR)
KIM SUNG JIN (KR)
HWANG SO HUI (KR)
Application Number:
PCT/KR2017/002355
Publication Date:
September 14, 2017
Filing Date:
March 03, 2017
Export Citation:
Assignee:
BBC BROWN BOVERI & CIE (KR)
International Classes:
D02G3/36; A46B3/20; D01D1/10; D01D5/34; D02G3/04; D02G3/26; D02G3/32; D02G3/44
Foreign References:
| JPH0998837A | 1997-04-15 | |||
| KR101401023B1 | 2014-05-29 | |||
| KR20130128960A | 2013-11-27 | |||
| US6161243A | 2000-12-19 | |||
| KR20090006067A | 2009-01-14 |
Attorney, Agent or Firm:
KIM, Chang Deok (KR)
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