Title:
TOOTHBRUSH AND ELECTRIC TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2015/098695
Kind Code:
A1
Abstract:
The present invention provides a toothbrush in which bristle bundles are anchored in a plurality of bristle-anchoring holes formed in an bristle-anchoring surface of a head section, wherein the toothbrush is characterized by the following: the bristle-anchoring surface is provided with a middle bristle bundle group consisting of a plurality of middle bristle bundles disposed in parallel in the length direction of the head section, and outside bristle bundle groups consisting of outside bristle bundles that are located on both sides in the width direction of the head section and are located on both sides in the width direction of the middle bristle bundle group; the outside bristle bundles that constitute the outside bristle bundle groups are formed of tapered bristles; the anchored bristle density is at least 3,000 bristles/cm2; the width of each of the outside bristle bundle groups on both sides in the width direction of the head section is 20 to 30% with respect to the breadth of the head section; the use-bristles that constitute the middle bristle bundles and the tapered bristles that constitute the outside bristle bundles both have a height of 8.5 mm or less; and the anchored bristle density of the middle bristle bundle group is 400 to 1,000 bristles/cm2.
Inventors:
MORIGUCHI JUN (JP)
ABE TETSUYA (JP)
ABE TETSUYA (JP)
Application Number:
PCT/JP2014/083557
Publication Date:
July 02, 2015
Filing Date:
December 18, 2014
Export Citation:
Assignee:
LION CORP (JP)
International Classes:
A61C17/22; A46B9/04
Domestic Patent References:
| WO2013164986A1 | 2013-11-07 | |||
| WO2008047492A1 | 2008-04-24 |
Foreign References:
| JP2013042776A | 2013-03-04 | |||
| JP2003250632A | 2003-09-09 | |||
| JP2012034845A | 2012-02-23 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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