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US 4,643,271 AGranted
Sound barrier
AssigneeThomas J. Kelley
InventorDavid E. Coburn
Life of this patent
Estimating the term…
Abstract
A sound barrier for use along vehicle pathways including a gabion, the gabion comprising a wire cage filled with sound absorbing material and ballast material; gabions in the potential path of vehicles leaving the pathway have resilient filler material for cushioning the impact of vehicles striking the gabion.
Claims1
A sound barrier for reducing vehicular noise along vehicular pathways, said sound barrier comprising:
- a wire gabion cage defining an interior chamber, said cage having a core section and a base section;
- a first filler of stone disposed in said core section and in said base section for providing ballast to said sound barrier;
- a second filler of resilient shredded vehicle tires disposed in said gabion cage about said core and base sections for absorbing sound and for cushioning the impact of vehicles striking the sound barrier.
Dependencies are inferred from the claim text.