Title:
FILTRATION STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2015/066967
Kind Code:
A1
Abstract:
Disclosed is a filtration structure (1), which comprises a mask body (10) and a wrinkle layer (20), wherein the wrinkle layer (20) is provided with a plurality of wrinkles (210) and is arranged on the mask body (10). The superficial area of the wrinkle layer (20) is greater than that of the mask body (10), so that the filtration area of the filtration structure (1) is increased effectively, thereby improving the filtration effect of the filtration structure (1) and improving the air permeability of the filtration structure (1).
Inventors:
LIN CHIA CHI (CN)
Application Number:
PCT/CN2014/000978
Publication Date:
May 14, 2015
Filing Date:
November 07, 2014
Export Citation:
Assignee:
LIN JINGJYR (CN)
LIN CHIA CHI (CN)
LIN CHIA CHI (CN)
International Classes:
A41D13/11; A62B7/10
Foreign References:
| CN203897345U | 2014-10-29 | |||
| CN201098482Y | 2008-08-13 | |||
| US20030226563A1 | 2003-12-11 | |||
| CN103169174A | 2013-06-26 | |||
| CN101939074A | 2011-01-05 | |||
| CN2612404Y | 2004-04-21 | |||
| CN1679994A | 2005-10-12 |
Other References:
See also references of EP 3066943A4
Attorney, Agent or Firm:
BEIJING ZHONGYUAN HUAHE INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
北京中原华和知识产权代理有限责任公司 (CN)
北京中原华和知识产权代理有限责任公司 (CN)
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