Title:
MOUTHPIECE AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/132274
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a mouthpiece having a shape that adequately conforms to the teeth rows, etc., of a user, the mouthpiece having an excellent feel during wearing; and a method for manufacturing the mouthpiece. A mouthpiece for solving the abovementioned problem includes a mouthpiece body part having a hard section, which has a groove for accommodating the teeth rows and/or the gums, and a soft section, which contains a material having a lower bending elasticity than that of the hard section. The proportion of the maximum thickness of the soft section to the minimum thickness of the soft section is 5 or greater.
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Inventors:
YUKITA TAKASHI
IWABUCHI YUKI
HASEGAWA AKIRA
IWABUCHI YUKI
HASEGAWA AKIRA
Application Number:
PCT/JP2020/048026
Publication Date:
July 01, 2021
Filing Date:
December 22, 2020
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
A61C7/36; A61C19/00; A61F5/56; A61M16/06
Domestic Patent References:
| WO2017154641A1 | 2017-09-14 |
Foreign References:
| US6247926B1 | 2001-06-19 | |||
| US20070224567A1 | 2007-09-27 | |||
| JP2019231821A | 2019-12-23 |
Other References:
See also references of EP 4082475A4
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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