Title:
TOOTHBRUSH
Document Type and Number:
Japanese Patent JP3349106
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a toothbrush excellent in durability and ability of removing tooth filth of all teeth including back teeth.
SOLUTION: This toothbrush has a nearly circular bristling pattern part 30 formed of a plurality of bristle bundles 30a, at the tip part face 21 of a bristling base 20, and a noncircular bristling pattern part 40 formed of a plurality of bristle bundles 40a, at the rear face of the bristling base 20. The bristle length of the bristle bundles 30a in the nearly circular bristling pattern part 30 is shorter than that of the bristle bundles 30a in the noncircular bristling pattern part 40, and the bristle tip positions of the bristle bundles 30a, 40a in both bristling pattern parts 30, 40 are almost on the same plane.
Inventors:
Yoshiyuki Muroi
Akira Oshima
Koji Maeda
Hidenori Yoshida
Kazuko Isoya
Akira Oshima
Koji Maeda
Hidenori Yoshida
Kazuko Isoya
Application Number:
JP36042598A
Publication Date:
November 20, 2002
Filing Date:
December 18, 1998
Export Citation:
Assignee:
Kao Corporation
International Classes:
A46B9/04; (IPC1-7): A46B9/04
Domestic Patent References:
| JP4104924U | ||||
| JP9502110A |
Attorney, Agent or Firm:
Arga Patent Office (4 outside)
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