Title:
MASK
Document Type and Number:
WIPO Patent Application WO/2021/182847
Kind Code:
A1
Abstract:
The present disclosure relates to a mask including: a mask main body being pressed against a face of a user, and forming an internal space for receiving air in front of a nose and a mouth of the user; and an air purifying module mounted in the mask main body, and having a first passage for allowing outside air to flow in a direction perpendicular to a side surface of the air purifying module, while forcing the air to flow into the nose and mouth of the user, in which by providing a first passage, a non-uniform suction flow may be reduced, such that an area of a filter may be used efficiently, and noise may be reduced.
Inventors:
KIM TAEJUN (KR)
PARK JEONGTAEK (KR)
CHOI SEOKHO (KR)
PARK JEONGTAEK (KR)
CHOI SEOKHO (KR)
Application Number:
PCT/KR2021/002911
Publication Date:
September 16, 2021
Filing Date:
March 09, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
A62B18/00; A62B18/02; A62B23/02
Domestic Patent References:
| WO2017065853A1 | 2017-04-20 |
Foreign References:
| KR101783804B1 | 2017-10-10 | |||
| KR20190111389A | 2019-10-02 | |||
| KR101941856B1 | 2019-01-24 | |||
| US20100224190A1 | 2010-09-09 |
Other References:
See also references of EP 4117793A4
Attorney, Agent or Firm:
PARK, Byung Chang (KR)
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