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    • 8. 发明授权
    • Pass through firestop device
    • 通过防火装置
    • US06694684B2
    • 2004-02-24
    • US10122859
    • 2002-04-15
    • DuWayne C. RadkePaul J. CobianAnthony J. Schommer
    • DuWayne C. RadkePaul J. CobianAnthony J. Schommer
    • E04C252
    • H02G3/22E04G15/061F16L5/04H02G3/0412
    • A cast-in-place pass through firestop device for providing a passage in a partition through which wires, cables, pipes, and the like are run includes a housing having a riser portion with frangible connections that define removable bands that can be readily removed by a user to adjust the height of the device in accordance with the thickness of the partition into which the device is installed. The removable bands include pull tabs that provide grasping means to facilitate removal of the bands by a user along a frangible connection. The housing also includes a base portion including a recess with ribs for maintaining firestop material in spaced relation from the base portion sidewall. A flame retardant char forming material, which works in combination with the firestop material to provide a fire, smoke, and water barrier, may also be provided adjacent the firestop material.
    • 铸造位置穿过防火装置,用于在运行电线,电缆,管道等的分隔件中提供通道,包括具有易碎连接的立管部分的壳体,其具有限定可拆卸带的位置,该可拆卸带可以容易地被 用户根据设备安装到其中的分区的厚度来调整设备的高度。 可拆卸带包括拉片,拉片提供抓握装置,以便使用者沿着易碎连接方便去除带。 壳体还包括基部,其包括具有肋的凹部,用于保持防火材料与基部侧壁间隔开。 也可以在防火材料附近提供与防火材料组合起来以提供防火,烟雾和防水屏障的阻燃性炭形成材料。