Title:
マスクの製造方法
Document Type and Number:
Japanese Patent JP7386760
Kind Code:
B2
Abstract:
An ear material for a mask that includes a stretchable member including a first surface and a second surface on a side opposite to the first surface, a first surface material coupled to the first surface, and a second surface material coupled to the second surface, wherein, in a state before start of use, the stretchable member has a natural length, and the first surface material and the second surface material are contracted in a predetermined direction.
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Inventors:
Ryota Honjo
Rina Onizawa
Akifumi Hayashi
Rina Onizawa
Akifumi Hayashi
Application Number:
JP2020106226A
Publication Date:
November 27, 2023
Filing Date:
June 19, 2020
Export Citation:
Assignee:
Daio Paper Co., Ltd.
International Classes:
A41D13/11
Domestic Patent References:
| JP2007021029A | ||||
| JP2019131928A | ||||
| JP2006034408A | ||||
| JP2019183343A |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito
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