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Patent Searching and Data


Title:
YELLOW DUST MASK
Document Type and Number:
WIPO Patent Application WO/2019/124881
Kind Code:
A1
Abstract:
The present invention relates to a yellow dust mask characterized by comprising: a silicone surface body having an extension hole formed in the front surface portion of the center thereof, having a flexible valve formed to extend into the extension hole, and having filter containing holes formed in left and right side surface portions thereof, respectively; a back case having a central plate surface portion which protrudes forward, and which is coupled to the back surface of the front surface portion, the plate surface portion having an open hole arranged inside the extension hole and covered by the integrated flexible valve, filter support rim portions being formed on left and right extension frame portions of the plate surface portion so as to have through-holes, respectively, and the filter support rim portions being tightly attached into the filter containing holes from back surfaces, respectively; filters contained in the filter containing holes of the silicone surface body, respectively; and a mask skin coupled to the front surface of the silicone surface body, the mask skin having a fastening means fastened to the back case through the silicone surface body in an attachable/detachable manner. Accordingly, the yellow dust mask not only has excellent performance as a mask, such as complete sealing against outer dust and fast air discharge, but also is convenient to handle and maintain.

Inventors:
KIM EUNHA (KR)
SHIN JONG-MIN (KR)
Application Number:
PCT/KR2018/015908
Publication Date:
June 27, 2019
Filing Date:
December 14, 2018
Export Citation:
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Assignee:
KIM EUNHA (KR)
SHIN JONG MIN (KR)
International Classes:
A62B23/02; A41D13/11; A62B18/02
Foreign References:
KR20110095559A2011-08-25
KR20160062808A2016-06-03
KR101619487B12016-05-10
KR101314838B12013-10-04
KR100604002B12006-07-25
KR20120096143A2012-08-30
KR20170085627A2017-07-25
JP2009247735A2009-10-29
KR100993497B12010-11-10
Attorney, Agent or Firm:
SHIN TAE YANG PATENT LAW FIRM (KR)
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