Title:
METHOD FOR MANUFACTURING TOOTHBRUSH IN WHICH NEEDLE-LIKE BRISTLES ARE IMPLANTED, AND TOOTHBRUSH MANUFACTURED BY THE SAME
Document Type and Number:
Japanese Patent JP2009136509
Kind Code:
A
Abstract:
To provide a toothbrush, wherein the production time and a defect generation rate are drastically reduced by simplifying steps and in addition, needle-like bristles are implanted using non-polyester-based bristles which can not be conventionally applied as materials.
After implanting a normal bristle 40 to the head part of the toothbrush, owing to the step of polishing it by a polisher provided with projections 11 of a height of 1.5 to 7 mm, the toothbrush in which the needle-like bristles whose bristle tip thickness is 0.01 to 0.03 mm and tapered length is 3 to 9 mm, are implanted is manufactured without a chemical treatment step.
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Inventors:
KWON YOUNG-JUN
KWON SUNG-WOOK
KWON SUNG-HWAN
KWON SUNG-WOOK
KWON SUNG-HWAN
Application Number:
JP2007316480A
Publication Date:
June 25, 2009
Filing Date:
December 07, 2007
Export Citation:
Assignee:
KWON YOUNG-JUN
KWON SUNG-WOOK
KWON SUNG-HWAN
KWON SUNG-WOOK
KWON SUNG-HWAN
International Classes:
A46D1/05; A61C17/00
Domestic Patent References:
JPH1099134A | 1998-04-21 | |||
JPH0496709A | 1992-03-30 | |||
JP2004181215A | 2004-07-02 | |||
JPS55152132U | 1980-11-01 |
Foreign References:
WO2007000922A1 | 2007-01-04 |
Attorney, Agent or Firm:
Yoshihiro Kodama
Sosuke Sato
Zentaro Hasebe
Sosuke Sato
Zentaro Hasebe