Title:
MOUTH MASK WITH EXHALATION VALVE
Document Type and Number:
WIPO Patent Application WO/2013/107095
Kind Code:
A1
Abstract:
A mouth mask with an exhalation valve, comprising a three-dimensional cup mask (1) and an exhalation valve (35) disposed on the three-dimensional cup mask (1); the exhalation valve (35) consists of a wedge-shaped slot (351) extending in the direction away from human face; at the end of the wedge-shaped slot (351) in the extending direction are two sheets (352) pressing against each other without external force; and the exhalation valve (35) is disposed at one end of the three-dimensional cup mask (1) near the human chin. The mouth mask is comfortable to wear, has a good filter effect and a simple structure, and facilitates manufacturing.
Inventors:
TENG MEI-SHENG (CN)
Application Number:
PCT/CN2012/073150
Publication Date:
July 25, 2013
Filing Date:
March 27, 2012
Export Citation:
Assignee:
SHEN ZHONG HAI MEDICAL SUPPLIES SHENZHEN CO LTD (CN)
TENG MEI-SHENG (CN)
TENG MEI-SHENG (CN)
International Classes:
A62B18/10; A41D13/11; A62B9/06; A62B23/00
Foreign References:
| US4974586A | 1990-12-04 | |||
| CN2314820Y | 1999-04-21 | |||
| CN201617207U | 2010-11-03 | |||
| KR100985711B1 | 2010-10-06 | |||
| CN101790404A | 2010-07-28 |
Attorney, Agent or Firm:
SHENZHEN HUIBANG INTELLECTUAL PROPERTY AGENCY FIRM (CN)
深圳市惠邦知识产权代理事务所 (CN)
深圳市惠邦知识产权代理事务所 (CN)
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Claims:
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