Respirator tab
    4.
    发明授权

    公开(公告)号:US11413481B2

    公开(公告)日:2022-08-16

    申请号:US15572515

    申请日:2016-05-09

    IPC分类号: A62B23/02 A41D13/11 A62B18/10

    摘要: A personal respiratory protection device (10) comprising an upper panel (18), a central panel (16), and a lower panel (20), the central panel being separated from each of the upper and lower panels by a first and second fold, seam, weld or bond, respectively, such that device is capable of being folded flat for storage along the first and second fold, seam, weld or bond and opened to form a cup-shaped air chamber over the nose and mouth of the wearer when in use, wherein the upper panel has a graspable upper tab, the upper tab (41) being graspable in use to open the device.

    Flat-Fold Respirator
    6.
    发明申请

    公开(公告)号:US20210112893A1

    公开(公告)日:2021-04-22

    申请号:US16949726

    申请日:2020-11-12

    IPC分类号: A41D13/11 A62B18/10 A62B23/02

    摘要: A personal respiratory protection device comprising an upper panel, a central panel, and a lower panel, the central panel being separated from each of the upper and lower panels by a first and second fold, seam, weld or bond, respectively, such that device is capable of being folded flat for storage along the first and second fold, seam, weld or bond and opened to form a cup-shaped air chamber over the nose and mouth of the wearer when in use, wherein the lower panel includes a stiffening sheet which has a longitudinal crease line, wherein the stiffening sheet is folded about the longitudinal crease line when the device is in use.

    Respirator Tab
    9.
    发明申请

    公开(公告)号:US20220339474A1

    公开(公告)日:2022-10-27

    申请号:US17811968

    申请日:2022-07-12

    IPC分类号: A62B23/02 A41D13/11 A62B18/10

    摘要: A personal respiratory protection device comprising an upper panel, a central panel, and a lower panel, the central panel being separated from each of the upper and lower panels by a first and second fold, seam, weld or bond, respectively, such that device is capable of being folded flat for storage along the first and second fold, seam, weld or bond and opened to form a cup-shaped air chamber over the nose and mouth of the wearer when in use, wherein the upper panel has a graspable upper tab, the upper tab being graspable in use to open the device.