Title:
TOOTHBRUSH AND TOOTHBRUSH HANDLE
Document Type and Number:
WIPO Patent Application WO/2023/145750
Kind Code:
A1
Abstract:
[Problem] To provide a toothbrush handle for which plastic is not used. [Solution] Provided is a toothbrush handle having: a head part that has a plurality of bristle holes into which bundles of bristles are implanted, a neck part extending from the head part, and a handle part extending from the neck part. The toothbrush handle is characterized in that: one or a plurality of bristle-hole perforated layers in which a plurality of through holes are formed in the head-part location and one or a plurality of bristle-hole nonperforated layers in which holes are not formed in the head-part location are stacked, giving the head part nonpenetrating bristle pores; and in that the bristle-hole nonperforated layers are multilayer-paper layers or multilayer-paper-derived layers.
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Inventors:
OGAWA KAZUYA (JP)
MIURA TAKASHI (JP)
MIURA TAKASHI (JP)
Application Number:
PCT/JP2023/002172
Publication Date:
August 03, 2023
Filing Date:
January 25, 2023
Export Citation:
Assignee:
DAIO SEISHI KK (JP)
International Classes:
A46B5/00; A46D1/00; B32B29/00
Foreign References:
| JPH10179258A | 1998-07-07 | |||
| JPH09173144A | 1997-07-08 | |||
| JP2004041278A | 2004-02-12 | |||
| JP2007006937A | 2007-01-18 | |||
| JP2021029105A | 2021-03-01 | |||
| JP3157437U | 2010-02-18 |
Attorney, Agent or Firm:
NAGAI INTERNATIONAL PATENT BUREAU (JP)
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