Title:
TOOTHBRUSH, AND METHOD FOR MANUFACTURING TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2022/137956
Kind Code:
A1
Abstract:
This toothbrush is provided with a toothbrush main body including a brush portion comprising a plurality of bristle bundles, a head portion in which a plurality of bristle implanting holes are provided in a bristle implanting surface, and a handle portion extending in an axial direction from the head portion, wherein: the toothbrush main body includes an opaque hard resin portion and a transparent hard resin portion; and the transparent hard resin portion is provided in a first region, which is a range of 5% to 60% inclusive of the total length of the toothbrush main body in the axial direction, and at least a portion thereof is provided around the entire axis of the toothbrush main body.
Inventors:
LI JIAWEI (JP)
TAKAI RYOSUKE (JP)
KIMOTO YUYA (JP)
ISHIKAWA KOUDAI (JP)
TAKAI RYOSUKE (JP)
KIMOTO YUYA (JP)
ISHIKAWA KOUDAI (JP)
Application Number:
PCT/JP2021/042989
Publication Date:
June 30, 2022
Filing Date:
November 24, 2021
Export Citation:
Assignee:
LION CORP (JP)
International Classes:
A46B5/00; A46B9/04
Foreign References:
| US20140173853A1 | 2014-06-26 | |||
| JP2019030583A | 2019-02-28 | |||
| JP2002153322A | 2002-05-28 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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