Relocatable radiation shield for a container scanner
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United States of America Patent
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N/A
Issued Date -
Apr 30, 2009
app pub date -
Oct 31, 2007
filing date -
Oct 31, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A shield for radiation used for scanning freight containers is relocatable by cranes and lifts found in freight terminals. The relocatable radiation shield comprises a shield block having at least one solid shielding layer. A layer of the relocatable shield is adapted to hold a shielding fluid for altering a shielding property of the relocatable shield. The fluid-containing layer may optionally be a fluid container attached to or partially embedded within the shield block. The shielding fluid may be removed to reduce the weight of the relocatable radiation shield. In some embodiments the relocatable shield has a channel large enough for passage of a freight container on a conveyance such as a railroad car. An extended shielding structure for shielding a selected path may be assembled from two or more relocatable radiation shields. Some embodiments of a relocatable radiation shield include a freight container.
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