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Patent Searching and Data


Title:
TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2017/170126
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a toothbrush with which cervical regions of back teeth can be thoroughly cleaned. Provided is a toothbrush including a head section (10) in which a plurality of bristle implanting holes (12a) are provided in a bristle implanting surface (12), and in which bundles of bristles are implanted in the bristle implanting holes, wherein the head section is made of polyacetal resin or polybutylene terephthalate resin, the minimum thickness of the head section is 2.0 mm to 3.0 mm, and the relationships 6 < (S/W1) < 9 and 3 < (L/W2) < 5 are satisfied, where W1 is the maximum width in the lateral direction of the head section; S is the total area of the plurality of bristle implanting holes; L is the maximum length in the longitudinal direction of a region in the head section in which the bristle implanting holes are formed; and W2 is the maximum width in the lateral direction of the region in which the bristle implanting holes are formed.

Inventors:
NOZAWA SAYA (JP)
KANAMARU NAOSHI (JP)
Application Number:
JP2017/011730
Publication Date:
October 05, 2017
Filing Date:
March 23, 2017
Export Citation:
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Assignee:
LION CORP (JP)
International Classes:
A46B3/04; A46B9/04
Foreign References:
JP2011200296A2011-10-13
JP2011004852A2011-01-13
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
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