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Patent Searching and Data


Title:
DUST PROOF MASK
Document Type and Number:
WIPO Patent Application WO/2015/137739
Kind Code:
A1
Abstract:
The present invention relates to a dust proof mask. The mask is based on a facial-space-type filter portion, a ring-type eyepiece portion which is bonded to the edge of the filter portion, and a shape retainer provided in the filter portion. In particular, the shape retainer is formed of a nonwoven material and attachably and detachably provided on the inner surface of the filter portion. Preferably, the shape retainer is formed in a certain form from a nonwoven sheet. The dust proof mask according to the present invention is lightweight, durable and easy to be stored and used, and has an effect of being capable of suppressing moisture condensation and downflow.

Inventors:
JEONG CHEONG-DAE (KR)
Application Number:
PCT/KR2015/002381
Publication Date:
September 17, 2015
Filing Date:
March 12, 2015
Export Citation:
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Assignee:
JEONG CHEONG-DAE (KR)
International Classes:
A62B18/02; A62B9/00
Foreign References:
JP2003320041A2003-11-11
JP2010094503A2010-04-30
JPH02126666U1990-10-18
JP2004041504A2004-02-12
KR20070118748A2007-12-18
Attorney, Agent or Firm:
YIM, Hoon-Bin (KR)
μž„ν›ˆλΉˆ (KR)
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