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Patent Searching and Data


Title:
TOOTBRUSH PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/043249
Kind Code:
A1
Abstract:
The purpose of this invention is to provide a toothbrush production method with which it is possible to combine the necessary mechanical properties/strength quality with transparency. The toothbrush comprises: a head part (2) having a bristle-implanted surface (20) on the tip side; a handle part (7) including a grip part (8), and that is positioned further towards the rear end than the head part; and a neck part (4) that is positioned between the bristle-implanted surface and the handle part, and that is deformed by external force exerted upon the head part. The toothbrush production method includes a step for filling using a resin material via a gate part positioned at a predetermined position. The gate part is positioned further towards the tip than the grip part.

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JPH067536A toothbrush
Inventors:
HACHISUKA Ryosuke (3-7 Honjo 1-chome, Sumida-k, Tokyo 44, 〒1308644, JP)
KOBAYASHI Toshiaki (3-7 Honjo 1-chome, Sumida-k, Tokyo 44, 〒1308644, JP)
Application Number:
JP2017/030141
Publication Date:
March 08, 2018
Filing Date:
August 23, 2017
Export Citation:
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Assignee:
LION CORPORATION (3-7 Honjo 1-chome, Sumida-ku Tokyo, 44, 〒1308644, JP)
International Classes:
A46B9/04
Domestic Patent References:
WO2016035678A12016-03-10
Foreign References:
JP2002503971A2002-02-05
JPH03917185Y1
JPS57111524U1982-07-09
Attorney, Agent or Firm:
TAZAKI Akira et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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