Title:
DUAL-STRUCTURED FILAMENT
Document Type and Number:
WIPO Patent Application WO/2017/155252
Kind Code:
A1
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.
Inventors:
KANG KI TAE (KR)
KIM SUNG JIN (KR)
HWANG SO HUI (KR)
KIM SUNG JIN (KR)
HWANG SO HUI (KR)
Application Number:
PCT/KR2017/002353
Publication Date:
September 14, 2017
Filing Date:
March 03, 2017
Export Citation:
Assignee:
BBC BROWN BOVERI & CIE (KR)
International Classes:
D02G3/36; A43B3/20; D01D5/34; D01F1/10; D02G3/04; D02G3/26; D02G3/32; D02G3/44
Foreign References:
| JPH0998837A | 1997-04-15 | |||
| KR20150060661A | 2015-06-03 | |||
| KR20130128960A | 2013-11-27 | |||
| JP2007283444A | 2007-11-01 | |||
| JP2010082094A | 2010-04-15 |
Attorney, Agent or Firm:
KIM, Chang Deok (KR)
Download PDF:
Previous Patent: VIDEO STREAMING APPARATUS AND METHOD IN ELECTRONIC DEVICE
Next Patent: DUAL-STRUCTURED FILAMENT
Next Patent: DUAL-STRUCTURED FILAMENT