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Title:
TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2018/042619
Kind Code:
A1
Abstract:
Provided is a toothbrush capable of simultaneously brushing both side faces of a tooth. This toothbrush 1 is provided with a head 10. The head 10 comprises a brush base 12 and a brush part 14. The brush part 14 comprises a plurality of filaments implanted on a bristle implantation surface of the brush base 12. The brush part 14 is provided with a gap part 20. The gap 20 extends from end to end of the brush part 14 in a first direction and has such a width d1 that a tooth can be sandwiched from both sides. The plurality of filaments include gap-side filaments 22 that stand along both sides of the gap part 20.

Inventors:
ITO Hiroshi (Ltd. 2-1-524 Udagawacho, Shibuya-k, Tokyo 42, 〒1500042, JP)
Application Number:
JP2016/075794
Publication Date:
March 08, 2018
Filing Date:
September 02, 2016
Export Citation:
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Assignee:
MUYU CO.,LTD. (2-1-524, Udagawacho Shibuya-k, Tokyo 42, 〒1500042, JP)
International Classes:
A46B9/04
Foreign References:
JP3142875U2008-07-03
US5027463A1991-07-02
US3325845A1967-06-20
JP3036104U1997-04-15
JPH0387321U1991-09-05
JPS58196624U1983-12-27
Attorney, Agent or Firm:
MATSUDA Junichi et al. (Matsuda and Partners, 7F Asahiseimei-Otemachi Bldg, 6-1 Otemachi 2-chome, Chiyoda-k, Tokyo 04, 〒1000004, JP)
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