Perimeter security barriers
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United States of America Patent
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Oct 4, 2016
Grant Date -
Apr 8, 2010
app pub date -
Mar 20, 2008
filing date -
Mar 20, 2007
priority date (Note) -
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Abstract
A perimeter security barrier 1for restraining a vehicle impacting the barrier from a direction substantially perpendicular thereto is described. The barrier comprises a pair of spaced apart end posts 3, 5 rigidly fixed in the ground and intermediate posts 11a, 11c. . . disposed between the end posts are also fixed in the ground. At least one pair of wire ropes 15c, 15d is supported between the end posts and optionally woven around the intermediate posts, the ropes being secured at each end to respective end posts. Energy absorption means 21 is provided at each end for absorbing energy transmitted by the ropes from the impacting vehicle.
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