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1. 发明授权

US4899781A Tamper indicator assembly for valves and like devices 失效
标题翻译：用于阀门和类似设备的防拆指示器组件
公开(公告)号：US4899781A
公开(公告)日：1990-02-13
申请号：US291604
申请日：1988-12-29
申请人： Robert E. Monroe
发明人： Robert E. Monroe
IPC分类号： F16K35/10 , F16K37/00 , F17C13/00 , F17C13/06
CPC分类号： F17C13/06 , F16K35/10 , F16K37/0008 , F17C13/003 , F17C2205/0173 , F17C2205/0308 , F17C2205/0323 , F17C2221/037 , Y10T137/7062 , Y10T292/499 , Y10T292/50
摘要： A tamper indicator for placement over valves and other regulating type devices used on storage containers to detect any unlawful operation of the valve or other device. This indicator has a sleeve-like body, closed at one end, for encasing the valve or other device. A locking bar is passed through openings in the body near the open end, this bar positioned so as to engage the base of the valve or other regulating device. One end of the bar has a restriction to prevent passage of that end through the openings, and the other end of the bar is provided with an aperture to receive a seal member. This seal member must be destroyed for removal. A broken seal member thus indicates tampering. By providing a unique indicia on the seal member, any attempt to install another seal member after tampering has occurred can be detected. The device of the present invention is of particular value when used as a tamper indicator on valved containers of uranium hexafluoride or other controlled substances.
摘要翻译：用于放置在阀门上的防拆指示器和用于存储容器上的其他调节型设备，用于检测阀门或其他设备的任何非法操作。该指示器具有套筒状体，其一端封闭，用于封闭阀门或其他装置。锁定杆穿过开口端附近的本体中的开口，该杆定位成与阀门或其他调节装置的基座接合。杆的一端具有限制，以防止该端部通过开口的通道，并且杆的另一端设置有用于接收密封构件的孔。该密封件必须销毁才能拆卸。因此，破损的密封构件表示篡改。通过在密封构件上提供独特的标记，可以检测到在篡改之后安装另一个密封构件的任何尝试。当用作六氟化铀或其他受控物质的阀的容器上的篡改指示剂时，本发明的装置是特别有价值的。

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