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US 2013/0198987 A1Published application
Interdental cleaning member and manufacturing method thereof
AssigneeLG Household & Health Care Ltd.
InventorsKyung-Sub Lee, Sung-Jin Kim, Jae-Hyun Ahn, Sug-Youn Chang
Life of this patent
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Abstract
The present disclosure relates to an interdental cleaning member and a manufacturing method thereof, and more particularly, to an interdental cleaning member and a manufacturing method thereof, which may easily remove food residues between teeth without damaging the gums.
Claims10
An interdental cleaning member for removing impurities between teeth, comprising:
- a bristle made of a yarn to have a length of 1 cm to 15 cm,
- wherein the bristle has a bending restoration rate of 10% to 80% and is formed to have a tapered shape in at least a front portion of the bristle along the longitudinal direction of the bristle so that the bristle has a diameter of 0.001 mm to 2 mm at a distance of about 0.1 mm from the front end of the tapered portion.
A manufacturing method of an interdental cleaning member, comprising:
- (a) stretching a yarn by spinning;
- (b) tapering a bristle, formed by cutting the yarn to have a length of 1 cm to 15 cm, along the longitudinal direction of the bristle so that the bristle has a tapered shape in at least a front portion thereof;
- and
- (c) washing and drying the bristle,
- wherein the bristle has a bending restoration rate of 10% to 80% and has a diameter of 0.001 mm to 2 mm at a distance of about 0.1 mm from the front end of the tapered portion formed by the step (b).
2 more elements
Dependencies are inferred from the claim text.