Title:
TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2015/016306
Kind Code:
A1
Abstract:
The present invention pertains to a toothbrush (1) comprising the following: a first bristle bundle group (16) which is arranged to have a discretionary height and is implanted into a center region of a bristle implanting surface (12a) of a head part (12); a pair of second bristle bundle groups (18) that are spaced apart from each other, are arranged so that the bristle heights thereof are higher than the first bristle bundle group (16), and are provided to the tip (13) side and the base side of the head part (12) with the first bristle bundle group (16) interposed therebetween; and a pair of third bristle bundle groups (20) that are spaced apart from each other, are arranged so that the bristle heights thereof are higher than the second bristle bundle groups (18), and are provided to the tip (13) side and the base side of the head part (12) with the pair of second bristle bundle groups (18) interposed therebetween. The pair of second bristle bundle groups (18) and the pair of third bristle bundle groups (20) are disposed so as to surround the first bristle bundle group (16) and so as to be open toward the center of the bristle implanting surface (12a).
Inventors:
YAMAMOTO YUKARI (JP)
Application Number:
PCT/JP2014/070199
Publication Date:
February 05, 2015
Filing Date:
July 31, 2014
Export Citation:
Assignee:
LION CORP (JP)
International Classes:
A46B9/04
Foreign References:
| JP2009219903A | 2009-10-01 | |||
| JP2008154808A | 2008-07-10 | |||
| JP2011234821A | 2011-11-24 | |||
| US20120324668A1 | 2012-12-27 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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