Title:
TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2006/082799
Kind Code:
A1
Abstract:
A toothbrush which comprises a brush main body (10) made of a synthetic resin and having a bristle base (12) and bristles (2) made of a thermoplastic resin which have been fusion-bonded to the bristle base to constitute a bristled part, wherein the bristles (2) constituting the bristled part at least partly comprise: tapered bristles which are bristles having split free ends, the split free ends having been tapered beforehand; tapered bristles which have a sectional shape having a core-sheath structure or sea-island structure; or tapered bristles in each of which a core bristle comprising a core or island part has been formed beforehand so as to be exposed at the free end. The toothbrush has excellent suitability for bristle insertion into narrow parts, e.g., the gaps between neighboring teeth and gaps between the teeth and the gums. It is highly effective in removing dental plaque and cleaning the teeth. It is highly easy to use in the oral cavity. It further has a highly attractive appearance.
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Inventors:
SAKURAI SHINYA (JP)
MORI TOYOKAZU (JP)
MORI TOYOKAZU (JP)
Application Number:
PCT/JP2006/301507
Publication Date:
August 10, 2006
Filing Date:
January 31, 2006
Export Citation:
Assignee:
SUNSTAR INC (JP)
SAKURAI SHINYA (JP)
MORI TOYOKAZU (JP)
SAKURAI SHINYA (JP)
MORI TOYOKAZU (JP)
International Classes:
A46D1/05; A46B3/06; A46B5/00; A46D1/00; A46D1/055
Foreign References:
| JP2003009947A | 2003-01-14 | |||
| JP2001169827A | 2001-06-26 | |||
| JPH09322821A | 1997-12-16 | |||
| JP2003169718A | 2003-06-17 | |||
| JP2001346630A | 2001-12-18 | |||
| JP2003009947A | 2003-01-14 | |||
| JP2001169827A | 2001-06-26 |
Other References:
See also references of EP 1844677A4
Attorney, Agent or Firm:
Yanagino, Takao (15-5 Miyahara 1-chome, Yodogawa-ku, Osaka-sh, Osaka 03, JP)
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