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    • 3. 发明申请
    • SECURITY APPARATUS
    • 安全装置
    • US20160032553A1
    • 2016-02-04
    • US14816711
    • 2015-08-03
    • SmartWater Technology Limited
    • Julie Ann LoughMartin FoordMichael Cleary
    • E02D29/14
    • E02D29/1454
    • Disclosed herein is a security apparatus comprising a blocking device having a formable bag and a marker layer including a transferable marker composition that can be transferred onto any object penetrating the marker layer and any other object or person coming into contact with the marker composition in the event of an attempt to remove the blocking device by puncturing the bag. The blocking device may block an access point such as a manhole to block unauthorised access. The formable bag may be made to conform to the shape of an access passage by inflation or deflation using valve.
    • 本文公开了一种安全装置,其包括具有可成形袋和标记层的阻挡装置,所述标记层包括可转移的标记组合物,所述可转移标记组合物可以转移到穿过标记层的任何物体和在事件中与标记物组合物接触的任何其它物体或人 尝试通过刺穿袋去除阻塞装置。 阻塞装置可以阻塞诸如人孔的接入点以阻止未经授权的访问。 成形袋可以通过使用阀的充气或放气使其与通道的形状一致。