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Mask

Abstract: [Problem] To provide a mask capable of ensuring good contact with the face of a wearer. [Solution] A mask 1 comprises: a filter part 2 that is formed of an air-permeable sheet material and covers at least the nose part and the mouth part when the mask 1 is worn; an almost annular face contact body 3 that is joined to the filter part 2 and is in contact with at least the periphery of the nose part and the periphery of the mouth part on the face when the mask 1 is worn; and a hook string 4 that is hooked around either the head part or the ear part so that the filter part 2 and the face contact body are put on the face. The mask 1 is configured such that at least a part of the face contact body 3 is provided with projections 8d, 8d that abut at least on the periphery of the nose part on the face when the mask 1 is put on the face and press the filter part 2 to form a three-dimensional shape, allowing the filter part 2 to fit the recesses and projections on the face.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
09 January 2023
Publication Number
02/2023
Publication Type
INA
Invention Field
BIO-MEDICAL ENGINEERING
Status
Email
patent@depenning.com
Parent Application

Applicants

KOKEN LTD.
7, Yonban-cho, Chiyoda-ku, Tokyo 1028459

Inventors

1. TAGUCHI, Seiji
c/o KOKEN LTD., 7,Yonban-cho, Chiyoda-ku, Tokyo 1028459
2. ISHIKAWA, Shingo
c/o KOKEN LTD., 7,Yonban-cho, Chiyoda-ku, Tokyo 1028459

Specification

Documents

Application Documents

# Name Date
1 202347001737-FORM 18 [16-05-2024(online)].pdf 2024-05-16
1 202347001737.pdf 2023-01-09
2 202347001737-STATEMENT OF UNDERTAKING (FORM 3) [09-01-2023(online)].pdf 2023-01-09
2 202347001737-FORM 3 [22-06-2023(online)].pdf 2023-06-22
3 202347001737-PROOF OF RIGHT [09-01-2023(online)].pdf 2023-01-09
3 202347001737-Correspondence_Form-1 And Form 26_27-02-2023.pdf 2023-02-27
4 202347001737-PRIORITY DOCUMENTS [09-01-2023(online)].pdf 2023-01-09
4 202347001737-FORM-26 [13-02-2023(online)].pdf 2023-02-13
5 202347001737-COMPLETE SPECIFICATION [09-01-2023(online)].pdf 2023-01-09
5 202347001737-FORM 1 [09-01-2023(online)].pdf 2023-01-09
6 202347001737-DECLARATION OF INVENTORSHIP (FORM 5) [09-01-2023(online)].pdf 2023-01-09
6 202347001737-DRAWINGS [09-01-2023(online)].pdf 2023-01-09
7 202347001737-DECLARATION OF INVENTORSHIP (FORM 5) [09-01-2023(online)].pdf 2023-01-09
7 202347001737-DRAWINGS [09-01-2023(online)].pdf 2023-01-09
8 202347001737-COMPLETE SPECIFICATION [09-01-2023(online)].pdf 2023-01-09
8 202347001737-FORM 1 [09-01-2023(online)].pdf 2023-01-09
9 202347001737-FORM-26 [13-02-2023(online)].pdf 2023-02-13
9 202347001737-PRIORITY DOCUMENTS [09-01-2023(online)].pdf 2023-01-09
10 202347001737-PROOF OF RIGHT [09-01-2023(online)].pdf 2023-01-09
10 202347001737-Correspondence_Form-1 And Form 26_27-02-2023.pdf 2023-02-27
11 202347001737-STATEMENT OF UNDERTAKING (FORM 3) [09-01-2023(online)].pdf 2023-01-09
11 202347001737-FORM 3 [22-06-2023(online)].pdf 2023-06-22
12 202347001737.pdf 2023-01-09
12 202347001737-FORM 18 [16-05-2024(online)].pdf 2024-05-16