Road structure – process – or apparatus – Traffic steering device or barrier
Reexamination Certificate
2005-08-09
2005-08-09
Hartmann, Gary S. (Department: 3671)
Road structure, process, or apparatus
Traffic steering device or barrier
C404S010000
Reexamination Certificate
active
06926461
ABSTRACT:
A high-impact, energy-absorbing vehicle barrier system generally includes a substantially rigid outer containment wall coupled via cable restraint assemblies with an energy-absorbing inner impact wall, and energy-absorbing cartridges strategically positioned between the impact wall and containment wall. The impact wall is constructed of a number of rectangular tubes coupled with one another to presents a substantially smooth, uniform surface to passing vehicles. The energy-absorbing cartridges generally consist of a number of foam sheets which compress and crush between the containment wall and impact wall to absorb energy from an errant vehicle striking the face of the impact wall, while the deflection and deformation of the impact wall tubes dissipates additional energy to reduce peak decelerations and mitigate the severity of high-energy vehicular impacts. The splice units and quick-disconnect cable restraint system provide for relatively easy and quick replacement of damaged impact wall sections and energy-absorbing cartridges.
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Addink Kenneth H.
Bielenberg Robert W.
Faller Ronald K.
Holloway James C.
Keller Eric A.
Board of Regents of University of Nebraska
Hartmann Gary S.
Shook Hardy & Bacon L.L.P.
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