Tire Anti-flattening Tube

A device which may consist of, either a formed rubber ring, or a rubber tube filled with nitrogen inflated cells. It is designed for fitting the inside of a pneumatic. This device allows a light vehicule (armoured or not) to run on roads and all sorts of grounds. In case of a puncture, it limits the flattening of the tire, prevents the tire from rolling off the rim and allows the vehicule to go for several kilometers.