Login| Sign Up| Help| Contact|

Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2018/043249
Kind Code:
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.

More Like This:
JPH067536A toothbrush
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:
Publication Date:
March 08, 2018
Filing Date:
August 23, 2017
Export Citation:
Click for automatic bibliography generation   Help
LION CORPORATION (3-7 Honjo 1-chome, Sumida-ku Tokyo, 44, 〒1308644, JP)
International Classes:
Attorney, Agent or Firm:
TAZAKI Akira et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
Download PDF: