Title:
MULTIFUNCTIONAL MASK
Document Type and Number:
WIPO Patent Application WO/2016/052992
Kind Code:
A1
Abstract:
The present invention relates to a multifunctional mask. The multifunctional mask (100) according to the present invention comprises: an upper mask (110), which is provided with a protective lens (113) for covering the eyes of a wearer and securing the wearer's visual field and has inlet holes (115) formed in one side thereof; and a lower mask (120), which is detachably coupled to the upper mask (110), covers the wearer's nose or mouth, and has a first check valve (123) communicating with the upper mask (110) and a second check valve (125) communicating with the outside, wherein: the first check valve (123) allows the passage of gases only in the direction from the upper mask (110) to the lower mask (120); the second check valve (125) allows the passage of gases only in the direction from the lower mask (120) to the outside; the gases, which have flowed into the upper mask (110) via the inlet holes (115), are transferred to the lower mask (120) via the first check valve (123) and then inhaled through the wearer's nose or mouth; and the gases exhaled through the wearer's nose or mouth are discharged to the outside via the second check valve (125).
Inventors:
WANG JONG MUN (KR)
Application Number:
PCT/KR2015/010310
Publication Date:
April 07, 2016
Filing Date:
September 30, 2015
Export Citation:
Assignee:
WANG JONG MUN (KR)
International Classes:
A62B18/02; A62B18/10; A62B23/00
Foreign References:
| KR100854060B1 | 2008-08-25 | |||
| KR20130063287A | 2013-06-14 | |||
| KR101232333B1 | 2013-02-13 | |||
| JPH11290473A | 1999-10-26 | |||
| JPH09308698A | 1997-12-02 |
Attorney, Agent or Firm:
CHUNG HYUN PATENT & LAW FIRM (KR)
특허법인 충현 (KR)
특허법인 충현 (KR)
Download PDF:
Previous Patent: METHODS FOR ANALYZING SAMPLES
Next Patent: METHOD FOR FORMING FILM ON SWASH PLATE OF SWASH PLATE TYPE COMPRESSOR
Next Patent: METHOD FOR FORMING FILM ON SWASH PLATE OF SWASH PLATE TYPE COMPRESSOR