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    • 6. 发明申请
    • Flat-foldable face-mask and process of making same
    • 平折面罩及其制作方法
    • US20060201513A1
    • 2006-09-14
    • US10553133
    • 2004-04-16
    • Wa Chu
    • Wa Chu
    • A62B23/02A62B18/02
    • A41D13/113A62B18/084A62B23/025
    • Flat-folded personal respiratory device or a face-mask with a first portion and a second portion (31), connecting with each other along at least one common edge, flat-foldable along the common edge(s), a securing mean (32) responsive to the breathing cycle thereby forming an effective respiratory seal as the wearer inhale and release the respiratory seal as the wearer exhale, and a filtering mean (40) to filter inhaling air. A preferred embodiment includes the securing mean includes an elastic headband providing holding force (F) at a location substantially away from the periphery of the face-mask.
    • 平折式个人呼吸装置或具有第一部分和第二部分(31)的面罩,沿着共同边缘沿着至少一个共同的边缘彼此连接,固定平面(32) ),从而当佩戴者吸气时形成有效的呼吸密封,并在佩戴者呼气时释放呼吸密封;以及过滤装置(40),用于过滤吸入空气。 优选实施例包括固定平均包括弹性头带,其在基本远离面罩周边的位置处提供保持力(F)。