Invention Grant
- Patent Title: Three dimensional face mask
- Patent Title (中): 三维面罩
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Application No.: US12778370Application Date: 2010-05-12
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Publication No.: US08176918B2Publication Date: 2012-05-15
- Inventor: Mei-Sheng Teng
- Applicant: Mei-Sheng Teng
- Main IPC: A61M11/00
- IPC: A61M11/00

Abstract:
A three dimensional face mask comprises: a three dimensional cup, a three dimensional soft rubber washer, an elastic tape, and an anti-skid band; it is characterized in that: the three dimensional cup is made by hot pressing of multilayer of filtration material, the three dimensional soft rubber washer is provided with a soft nose cushion and is bonded to an outer periphery of the three dimensional cup by hot pressing, the anti-skid band is bonded to a lower edge of the three dimensional cup, the elastic tape has two ends symmetrically bonded to both sides of the three dimensional cup. The three dimensional non-woven face ensures a good air tightness against the face while leaving a large enough space between the three dimensional cup and the nose and mouth area to ensure conformable wearing, good filtration, making the wearer easy to breathe and talk.
Public/Granted literature
- US20110277769A1 Three Dimensional Face Mask Public/Granted day:2011-11-17
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