Title:
BRUSH MOLDED BODY, AND TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2022/138650
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a brush molded body which has a gentle touch feeling, and with which it is possible to improve the feel during use and the external appearance of a toothbrush. This brush molded body includes a head base portion formed from a soft resin, and a plurality of filaments which project from a supporting surface positioned on the front side in the thickness direction of the head base portion. The head base portion has an engaging hole which extends in a length direction perpendicular to the thickness direction and which opens on one side in the length direction. The brush molded body is provided with: a premolded body, at least a portion of which is molded using a first resin composition, and which comprises a filament group including at least a portion of the plurality of filaments, and a supporting base portion that supports a base portion of the filament group and that is positioned on the front side of the engaging hole to form a portion of the head base portion; and a base main body molded body which includes part of the head base portion and the plurality of filaments other than the premolded body, and which is molded using a second resin composition different from the first resin composition. The premolded body and the base main body molded body are molded bodies that are molded integrally.
More Like This:
| WO/2010/052655 | ELECTRIC TOOTHBRUSH AND BRUSH HEAD FOR AN ELECTRIC TOOTHBRUSH |
| JP5993555 | Toothbrush |
| WO/2015/074267 | ORAL CARE IMPLEMENT |
Inventors:
HATADA SATOSHI (JP)
TAGAMI TOHRU (JP)
TAKEUCHI YOSHIKUNI (JP)
TAGAMI TOHRU (JP)
TAKEUCHI YOSHIKUNI (JP)
Application Number:
PCT/JP2021/047339
Publication Date:
June 30, 2022
Filing Date:
December 21, 2021
Export Citation:
Assignee:
LION CORP (JP)
International Classes:
A46B9/04
Domestic Patent References:
| WO2000049911A1 | 2000-08-31 |
Foreign References:
| JP2002199938A | 2002-07-16 | |||
| JP2003061751A | 2003-03-04 | |||
| JP2010253107A | 2010-11-11 | |||
| JP3138318U | 2007-12-27 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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