Inertial barrier
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United States of America Patent
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Oct 9, 2012
Grant Date -
May 17, 2007
app pub date -
Nov 16, 2005
filing date -
Nov 16, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
An inertial barrier includes a standard size plastic container and a single size insert that is supported by a ledge inside the container for supporting different amounts of sand or other dispersible granular energy absorbing material thereon to achieve different barrier weight configurations. The insert has an axially upwardly, radially inwardly extending top wall that permits some downward flexing of the insert inside the container as the weight of the material that is placed on the insert builds up, causing the sides of the insert to expand and push radially outwardly against the container side wall, preventing the material from leaking past the insert inside the container. Axially extending ribs may be provided in the container side wall for increased strength and rigidity.
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