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Patent Searching and Data


Title:
DISPOSABLE MASK
Document Type and Number:
WIPO Patent Application WO/2019/198251
Kind Code:
A1
Abstract:
Provided is a disposable mask with which it is possible to suppress development of a gap between the lower end of a mask body and a lower part of the lower jaw, and to suppress development of a gap between the mask body and the nasal dorsum. A first intersecting angle (θ1) formed by intersection of a first virtual line (K1) connecting a center point (61a) of an upper fixing portion (61) and an upper edge (30a) of a seal line (30) and a second virtual line (K2) connecting an upper flexion point (34) and the upper edge (30a) of the seal line (30) is smaller than a second intersecting angle (θ2) formed by intersection of a third virtual line (K3) connecting a center point (62a) of a lower fixing portion (62) and a lower edge (30b) of the seal line (30) and a fourth virtual line (K4) connecting a lower flexion point (35) and the lower edge (30b) of the seal line (30), wherein the second virtual line (K2) is longer than the fourth virtual line (K4). A part (27a) of an upper end (27) of the mask body (20) is positioned above the first virtual line (K1).

Inventors:
FURUYA KAORI (JP)
SHIBATA AKIRA (JP)
Application Number:
PCT/JP2018/017093
Publication Date:
October 17, 2019
Filing Date:
April 26, 2018
Export Citation:
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Assignee:
UNICHARM CORP (JP)
International Classes:
A41D13/11
Foreign References:
JP2015051135A2015-03-19
JP3159977U2010-06-10
JP2008055036A2008-03-13
JP2014140774A2014-08-07
JP2008279101A2008-11-20
Attorney, Agent or Firm:
SHIRAHAMA, Yoshiharu et al. (JP)
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