TOOTHBRUSH COMPRISING BRISTLES HAVING DIFFERENT LENGTHS

Title:

TOOTHBRUSH COMPRISING BRISTLES HAVING DIFFERENT LENGTHS

Document Type and Number:

WIPO Patent Application WO/2019/146973

Kind Code:

A1

Abstract:

The toothbrush comprises: a toothbrush handle; a supporting part connected to the toothbrush handle; and a toothbrush head having first bristles and second bristles which are formed on the supporting part. The second bristles are bristles placed inside the first bristles, the first bristles are outermost bristles, the length of the second bristles is 70% or less of the length of the first bristles, and, when the first bristles are inserted between the teeth from the inside of the teeth, at least one among the first bristles can pass the space between teeth and then protrude to the outside of the teeth.

Inventors:

OH SE IN (KR)
PARK MYUNG HEE (KR)
CHOI KWAN LAK (KR)

Application Number:

PCT/KR2019/000820

Publication Date:

August 01, 2019

Filing Date:

January 21, 2019

Export Citation:

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Assignee:

OH SE IN (KR)
PARK MYUNG HEE (KR)
CHOI KWAN LAK (KR)

International Classes:

A46B9/02; A46B9/04; A46B13/02; A61C17/22

Foreign References:

JP3163229U	2010-10-07
KR19980055793U	1998-10-07
KR20010075038A	2001-08-09
KR20020039418A	2002-05-27
JPH1175939A	1999-03-23

Attorney, Agent or Firm:

SONG, In-Ho (KR)

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