Title:
INTERDENTAL BRUSH
Document Type and Number:
WIPO Patent Application WO/2023/127550
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an interdental brush capable of maintaining interdental insertion properties, reducing insertion pressure and reducing gum pain. An interdental brush (1) equipped with a gripping part (10) and a brush part (20) provided at the tip end section of the gripping part (10), said interdental brush (1) being configured: so as to use a brush part (20) equipped with a shaft part (21) and a cleaning part (23) comprising a plurality of bristle parts (22) which project from the lateral surface of the shaft part (21); and in a manner such that a void (11) is provided inside the tip end section of the gripping part (10), the base end of the shaft part (21) of the brush part (20) is connected to a connecting section (15) which comprises only a soft resin, and as a result, when a load is applied toward the base end of the shaft part (21) of the brush part (20), part of the shaft part (21) of the brush part (20) is pressed toward and into the void (11).
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Inventors:
MIYAZAWA AYA (JP)
HAYASHIDA SAKIHO (JP)
HORIKOSHI RYO (JP)
HAYASHIDA SAKIHO (JP)
HORIKOSHI RYO (JP)
Application Number:
PCT/JP2022/046412
Publication Date:
July 06, 2023
Filing Date:
December 16, 2022
Export Citation:
Assignee:
LION CORP (JP)
International Classes:
A46B5/00; A46B9/04
Domestic Patent References:
| WO2006012956A2 | 2006-02-09 |
Foreign References:
| US4751761A | 1988-06-21 | |||
| JP2013188299A | 2013-09-26 | |||
| JPH08508179A | 1996-09-03 | |||
| KR200438714Y1 | 2008-03-03 | |||
| JPS5149665U | 1976-04-14 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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