Title:
FILM-TYPE INHALED AIR/EXHALED AIR VALVE AND FILTER CARTRIDGE FOR BREATHING, IN WHICH SAID FILM-TYPE INHALED AIR/EXHALED AIR VALVE IS MOUNTED AND INHALATION SPACE AND EXHALATION SPACE ARE SEPARATED
Document Type and Number:
WIPO Patent Application WO/2022/215844
Kind Code:
A1
Abstract:
A frontal respiratory protective gear according to an embodiment of the present invention comprises: a face contact part that includes an external air connection part having an inhaled air duct through which external gas flows in, an exhaled air duct through which internal gas is exhausted to the outside, and an air duct where inhaled air and exhaled air do not mix, and closely contacts the face of a wearer; a face part that is mounted on the face contact part and covers the entire face of the wearer; a protective gear frame that surrounds the face part together with the face contact part; and a filter cartridge that is installed on the upper surface of the protective gear frame and equipped with an air filtration filter.
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Inventors:
KIM TAE YEUP (KR)
Application Number:
PCT/KR2022/001509
Publication Date:
October 13, 2022
Filing Date:
January 27, 2022
Export Citation:
Assignee:
AIRHYGIENE LLC (KR)
International Classes:
A62B18/10; A62B23/02; B63C11/16
Foreign References:
| KR20180116095A | 2018-10-24 | |||
| KR20200020088A | 2020-02-26 | |||
| US20090126723A1 | 2009-05-21 | |||
| JPH0910343A | 1997-01-14 | |||
| US20160297505A1 | 2016-10-13 |
Attorney, Agent or Firm:
INTERBRAIN PATENT & LAW FIRM (KR)
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