Patent ID: 9056529
Filing Date: 2015-06-16
Classification: B60C,Y10T

Abstract:
1. An aeroplane tire configured to maintain nominal pressure of higher than 9 bar and nominal deflection of greater than 30%, the aeroplane tire comprising: a tread connected, by two sidewalls, to two beads said two beads being configured to come into contact with a rim comprising two rim flanges, each of said two rim flanges having a circular portion; a radial carcass reinforcement comprising a plurality of carcass reinforcement layers, including a carcass reinforcement external layer, said carcass reinforcement external layer being the axially outermost of said plurality of carcass reinforcement layers, each of said plurality of carcass reinforcement layers comprising reinforcing elements which, within each of said two beads, are wrapped around a bead wire core, said bead wire core having a meridian section that is inscribed inside a circle the centre of which is the centre of said bead wire core; a filling element radially on the outside of said bead wire core and having a substantially triangular meridian section exhibiting a radially external end; and a bead external face axially on the outside of said bead wire core and configured to come into contact with the corresponding rim flange; wherein the distance between a point on said bead external face and said carcass reinforcement external layer, along the straight line perpendicular at this point to said bead external face, is at a maximum at the point on said bead external face that is the orthogonal projection of said radially external end of said filling element onto said bead external face, and wherein the distance between the orthogonal projection of said radially external end of said filling element onto said bead external face and said carcass reinforcement external layer is at least equal to 1.3 times the distance between the orthogonal projection of the centre of said bead wire core onto said bead external face and said carcass reinforcement external layer.