Face mask with unidirectional multi-flap valve
    1.
    发明授权
    Face mask with unidirectional multi-flap valve 失效
    带单向多瓣阀的面罩

    公开(公告)号:US08757156B2

    公开(公告)日:2014-06-24

    申请号:US12250059

    申请日:2008-10-13

    CPC classification number: A62B18/10 A62B23/025

    Abstract: Face masks that include a unidirectional valve are disclosed. The unidirectional valves permit fluid communication between an interior gas space defined by the mask and the wearer and an exterior gas space outside of the face mask. The unidirectional valves includes one or more valve flaps positioned over an opening formed in the base of the valve. Each of the valve flaps includes a free edge and a hinge located generally opposite from the free edge.

    Abstract translation: 公开了包括单向阀的面罩。 单向阀允许由面罩和穿着者界定的内部气体空间与面罩外部的外部气体空间之间的流体连通。 单向阀包括一个或多个阀瓣,其位于形成在阀的底部中的开口上。 每个阀瓣包括自由边缘和大致与自由边缘相对的铰链。

    UNIDIRECTIONAL VALVES AND FILTERING FACE MASKS COMPRISING UNIDIRECTIONAL VALVES
    2.
    发明申请
    UNIDIRECTIONAL VALVES AND FILTERING FACE MASKS COMPRISING UNIDIRECTIONAL VALVES 失效
    独立阀门和过滤面罩包括单向阀

    公开(公告)号:US20110139158A1

    公开(公告)日:2011-06-16

    申请号:US12639356

    申请日:2009-12-16

    CPC classification number: A62B18/10 A62B18/025 Y10T137/7891

    Abstract: A unidirectional valve for use with a filtering face mask. The valve can include a flap, and a valve seat. The flap can be cantilevered and can flex away from a seal surface of the valve seat to an open position. The valve can further include a housing that at least partially covers the valve seat and the flap. In some embodiments, the height of the housing is no greater than about 1.25 cm, while the distance between the flap and the seal surface when the flap is in the open position is at least 0.35 cm. A projection can be coupled to an inner surface of the housing, and the height of the projection can generally decrease toward the front of the housing. In some embodiments, the projection can have a profile that substantially follows the profile of the flap when the flap is in the open position.

    Abstract translation: 用于过滤面罩的单向阀。 阀可以包括挡板和阀座。 翼片可以是悬臂的,并且可以从阀座的密封表面弯曲到打开位置。 阀还可以包括至少部分地覆盖阀座和挡板的壳体。 在一些实施例中,壳体的高度不大于约1.25cm,而当翼片处于打开位置时,翼片和密封表面之间的距离为至少0.35cm。 突起可以联接到壳体的内表面,并且突起的高度通常可以朝向壳体的前部减小。 在一些实施例中,当翼片处于打开位置时,突起可以具有基本上沿着翼片的轮廓的轮廓。

    FACE MASK WITH UNIDIRECTIONAL VALVE
    3.
    发明申请
    FACE MASK WITH UNIDIRECTIONAL VALVE 失效
    带有方向阀的面罩

    公开(公告)号:US20090133700A1

    公开(公告)日:2009-05-28

    申请号:US12250059

    申请日:2008-10-13

    CPC classification number: A62B18/10 A62B23/025

    Abstract: Face masks that include a unidirectional valve are disclosed. The unidirectional valves permit fluid communication between an interior gas space defined by the mask and the wearer and an exterior gas space outside of the face mask. The unidirectional valves includes one or more valve flaps positioned over an opening formed in the base of the valve. Each of the valve flaps includes a free edge and a hinge located generally opposite from the free edge.

    Abstract translation: 公开了包括单向阀的面罩。 单向阀允许由面罩和穿着者界定的内部气体空间与面罩外部的外部气体空间之间的流体连通。 单向阀包括一个或多个阀瓣,其位于形成在阀的底部中的开口上。 每个阀瓣包括自由边缘和大致与自由边缘相对的铰链。

    Unidirectional valves and filtering face masks comprising unidirectional valves
    5.
    发明授权
    Unidirectional valves and filtering face masks comprising unidirectional valves 失效
    单向阀和过滤面罩包括单向阀

    公开(公告)号:US08365771B2

    公开(公告)日:2013-02-05

    申请号:US12639356

    申请日:2009-12-16

    CPC classification number: A62B18/10 A62B18/025 Y10T137/7891

    Abstract: A unidirectional valve for use with a filtering face mask. The valve can include a flap, and a valve seat. The flap can be cantilevered and can flex away from a seal surface of the valve seat to an open position. The valve can further include a housing that at least partially covers the valve seat and the flap. In some embodiments, the height of the housing is no greater than about 1.25 cm, while the distance between the flap and the seal surface when the flap is in the open position is at least 0.35 cm. A projection can be coupled to an inner surface of the housing, and the height of the projection can generally decrease toward the front of the housing. In some embodiments, the projection can have a profile that substantially follows the profile of the flap when the flap is in the open position.

    Abstract translation: 用于过滤面罩的单向阀。 阀可以包括挡板和阀座。 翼片可以是悬臂的,并且可以从阀座的密封表面弯曲到打开位置。 阀还可以包括至少部分地覆盖阀座和挡板的壳体。 在一些实施例中,壳体的高度不大于约1.25cm,而当翼片处于打开位置时,翼片和密封表面之间的距离为至少0.35cm。 突起可以联接到壳体的内表面,并且突起的高度通常可以朝向壳体的前部减小。 在一些实施例中,当翼片处于打开位置时,突起可以具有基本上沿着翼片的轮廓的轮廓。

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