Mask filter cloth, protective mask and manufacturing methods of mask filter cloth and protective mask
The invention discloses mask filter cloth, a protective mask and manufacturing methods of the mask filter cloth and the protective mask, and relates to the technical field of masks. The mask filter cloth comprises a folding part with a plurality of folding layers, and two sewing parts which are resp...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
02.06.2023
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses mask filter cloth, a protective mask and manufacturing methods of the mask filter cloth and the protective mask, and relates to the technical field of masks. The mask filter cloth comprises a folding part with a plurality of folding layers, and two sewing parts which are respectively arranged on the upper side and the lower side of the folding part and are used for sewing the folding part into a whole, the folding part comprises an outer filter layer and an inner filter layer arranged on the inner side of the outer filter layer. A protective mask comprises a supporting piece, a soft welt and a filtering piece. The supporting piece is provided with an arc-shaped side wall matched with the radian of the face, the supporting piece is further provided with an arc-shaped protrusion, and an arc-shaped hole is formed in the lower side of the arc-shaped side wall. The filtering piece is matched with the arc-shaped hole in the arc-shaped side wall and is fixedly mounted on the outer side of the |
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Bibliography: | Application Number: CN202111444528 |