Open faced sandwich barrier
    40.
    发明授权
    Open faced sandwich barrier 失效
    敞开的三明治障碍

    公开(公告)号:US5089311A

    公开(公告)日:1992-02-18

    申请号:US448344

    申请日:1989-12-11

    CPC classification number: B05C7/04 Y10T428/233 Y10T428/24008 Y10T428/24744

    Abstract: A barrier for closing and sealing a tubular passage while permitting ingress and egress of coating material into and out of the passage and with a mat of expandable adherent material secured to a barrier plate, the expansion and sealing actuated by exposure to curing heat.

    Abstract translation: 用于封闭和密封管状通道的障碍物,同时允许涂层材料进入和流出通道,以及固定到阻挡板的可扩张粘合材料垫,通过暴露于固化热致动膨胀和密封。

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