Patent ID: 9016977
Filing Date: 2015-04-28
Classification: E01C

Abstract:
1. A rollable surface covering configured to enable a surface to be crossed by a vehicle, comprising: a double-ply textile core consisting of a first ply and a second ply, the first ply comprising a first face coated a first polymer layer; the second ply comprising a second face coated with a second polymer layer; at least one vulcanized-polymer tubular pocket integrally formed from vulcanized polymer of the first polymer layer and the second polymer layer, and extending substantially transversely through the thickness of the core between the first face and the second face; at least one stiffener bar configured to increase a load-bearing capacity of the surface when the rollable surface covering is unrolled, wherein the at least one stiffener bar is received in the vulcanized-polymer tubular pocket.