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Title:
TOOTHBRUSH
Document Type and Number:
Japanese Patent JP2021007553
Kind Code:
A
Abstract:
To provide a toothbrush that has excellent bristle-loss strength.SOLUTION: A toothbrush includes a head part 2 in which multiple bristle planting holes 10 are provided at a bristle planting surface 2a. The bristle planting hole 10 has a diameter that gradually varies toward a bottom side from an opening side.SELECTED DRAWING: Figure 3

Inventors:
WADA YUKINORI
IMAI KIEKO
Application Number:
JP2019122498A
Publication Date:
January 28, 2021
Filing Date:
June 28, 2019
Export Citation:
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Assignee:
SUNSTAR INC
International Classes:
A46B9/04
Domestic Patent References:
JP2002516683A2002-06-11
JP2011004852A2011-01-13
JP2017508544A2017-03-30
Foreign References:
WO2019011601A12019-01-17
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda



 
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