Tooth brush having both soft bristle and hard bristle

A bristles and toothbrush technology, applied in the field of toothbrushes with conical needle-shaped bristles, can solve the problem of not having a toothbrush disclosed in the disclosure
CN1493236AInactive Publication Date: 2004-05-05CJ CHEILJEDANG CORP +2
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
CJ CHEILJEDANG CORP
Publication Date
2004-05-05
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

Disclosed is a toothbrush having soft and hard bristles together. The toothbrush having soft and hard bristles with 6-10 mm in tapered length and 0.01-0.08 mm in diameter of end portions comprises: longer bristles( 1 ) located at both edges; and shorter bristles( 2 ) located at the central portion, wherein the bristles are generally in a semicircular form at their top portions when seen from a side, and a difference in length between the longer bristles( 1 ) and the shorter bristles( 2 ) is about 2-4 mm. The toothbrush can increase brushing efficiency and effectively remove foreign matters between teeth and inside periodontal pockets.
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Description

Technical field

[0001] The invention relates to a toothbrush with tapered needle-shaped bristles, in particular to a toothbrush with tapered needle-shaped bristles, which has both soft bristles and hard bristles. Background technique

[0002] Generally, toothbrushes with bristles have been invented. The tips of the bristles are tapered in order to improve the removal efficiency of tartar and spots from the teeth and prevent damage to the gums during brushing. Since then, such toothbrushes have been The effect is more and more popular.

[0003] As the prior art of the aforementioned toothbrush, there are Korean Patent Nos. 130932, 261658, and 311360 and Korean Utility Model Nos. 114700 and 244827 invented by the present inventor.

[0004] Korean Patent No. 130932 discloses a method for making the PBT toothbrush bristles with a diameter of 0.15-0.2mm and a length of 4-8mm to be sharpened from the tip of the bristles after being broken down by chemicals, thereby forming the end diam...

Claims

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