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    • 10. 发明公开
    • A FACEMASK HAVING ONE OR MORE NANOFIBER LAYERS
    • 具有一个或多个纳米纤维层的FACEMASK
    • EP2969040A1
    • 2016-01-20
    • EP13878371.7
    • 2013-03-15
    • Crosstex International, Inc.
    • CONLON, Matthew
    • A62B18/02
    • A41D13/1115A41D13/1192A62B23/025
    • Facemasks and methods utilizing nanofibers are provided. The facemask and methods provided reduce pressure drop and enhance filtration of airborne particles. In one embodiment there is a facemask, comprising: an inner layer comprising nonwoven fiber material configured to contact a wearer's nose and mouth; a middle layer disposed on the inner layer and comprising a nanofiber material; an outer layer disposed on the middle layer and comprising nonwoven fiber material, the facemask having upper and lower edges and at least one pleat configured to fit over a chin of the wearer when unfolded, the at least one pleat configured for folding and unfolding the facemask such that when folded the facemask is configured to assume a generally flat storage configuration and when unfolded the facemask is configured to cover at least the nose and mouth of the wearer.
    • 提供了利用纳米纤维的口罩和方法。 提供的面罩和方法减少了压降并增强了大气颗粒的过滤。 在一个实施例中,存在面罩,其包括:内层,其包括被配置为接触佩戴者的鼻子和嘴的非织造纤维材料; 设置在内层上并包含纳米纤维材料的中间层; 布置在中间层上且包括非织造纤维材料的外层,所述面罩具有上边缘和下边缘以及至少一个褶皱,所述至少一个褶皱被构造成当展开时配合在穿着者的下巴上,所述至少一个褶皱被配置用于折叠和展开面罩 使得当折叠时,面罩被构造成呈现大致平坦的存储构造,并且当展开时,面罩被构造成至少覆盖佩戴者的鼻子和嘴。