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Patent Searching and Data


Title:
TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2016/006618
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a toothbrush with which damage to gums can be reduced, which has excellent bristle tip entry into periodontal pockets, between teeth, and the like, and which has an excellent plaque removal ability. The present invention includes: a head section (16) that has a bristle implanting hole (19) disposed on one surface (16a) side thereof; and a bristle bundle (14) that is implanted in the bristle implanting hole (19), is formed from a plurality of bristles, and has a conical cone section (14-3) at the distal end section. The plurality of bristles have elliptical cut surfaces which constitute the side surface of the cone section (14-3). Towards the apex of the cone section (14-3) from the outer peripheral edge of the bottom surface of the cone section (14-3), the major axes of the ellipses of the cut surfaces become shorter.

Inventors:
MATSUO HIROKO (JP)
WATANABE AI (JP)
Application Number:
JP2015/069575
Publication Date:
January 14, 2016
Filing Date:
July 07, 2015
Export Citation:
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Assignee:
LION CORP (JP)
International Classes:
A46B9/04; A61C17/22
Foreign References:
JP2013052110A2013-03-21
JP2001299452A2001-10-30
JP2000270928A2000-10-03
JP2014087475A2014-05-15
JP2013220186A2013-10-28
JPH0725829U1995-05-16
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
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