Title:
TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2022/137948
Kind Code:
A1
Abstract:
This toothbrush comprises a head part having a brush section in a brush planted surface, the toothbrush having: a head constituting part which constitutes a part of the head part and is composed of a first resin; a plurality of soft resin parts which partially constitute the head part and the brush part and are formed of a second resin; and a plurality of brush bundles provided to the head constituting part. The soft resin part has a plurality of elastomer sections constituting the brush part, and an elastomer base which connects proximal end sides of the plurality of elastomer sections. The elastomer base has a movable part in which one pair of end sections on both sides of the head part in the longitudinal direction or in the width direction are connected to the head constituting part, and which are spaced apart from the head constituting part and movable in the thickness direction and width direction of the elastomer base.
Inventors:
KAKEHASHI YUICHIRO (JP)
HORIKOSHI RYO (JP)
NISHIMURA GENTO (JP)
HORIKOSHI RYO (JP)
NISHIMURA GENTO (JP)
Application Number:
PCT/JP2021/042886
Publication Date:
June 30, 2022
Filing Date:
November 24, 2021
Export Citation:
Assignee:
LION CORP (JP)
International Classes:
A46B9/04; A46D1/00; A46D1/04
Domestic Patent References:
| WO2014162957A1 | 2014-10-09 |
Foreign References:
| JP2002500903A | 2002-01-15 | |||
| JP2015532850A | 2015-11-16 | |||
| JP2008178655A | 2008-08-07 | |||
| US20180303231A1 | 2018-10-25 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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