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Deodorizing mask
专利权人:
发明人:
Yoshinao Yamada,Koji Sugiura
申请号:
US14382950
公开号:
US09421294B2
申请日:
2013.03.04
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A deodorizing mask includes an air permeable mask main body for covering nose and mouth of the user with at least two types of nonwoven cloth, the mask main body having a deodorizing nonwoven cloth layer including a chemical adsorptive deodorizer and a dustproof nonwoven cloth layer having a dustproof effect, and the air permeability of the dustproof nonwoven cloth layer being ⅔ or less of the air permeability of the deodorizing nonwoven cloth layer. Preferably, the air permeability of the dustproof nonwoven cloth layer is in a range of 10 to 120 cm/(cm·s) in a permeated air quantity based on the Frazir method, the air permeability of the deodorizing nonwoven cloth layer is in a range of 40 to 400 cm/(cm·s) in a permeated air quantity based on the Frazir method, and the permeated air quantity of the dustproof nonwoven cloth layer is ⅔ or less of the permeated air quantity of the deodorizing nonwoven cloth layer.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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