Patent ID: 6510883
Filing Date: 2003-01-28
Classification: B60C,Y10T

Abstract:
A pneumatic vehicle tire comprising a multi-ply carcass, which extends between two bead rings having associated bead apexes, a belt arrangement of belt plies provided between the carcass plies and a tread strip and rubber reinforcing plies arranged in the side wall regions, which support the tire when it is deflated, a first rubber reinforcing ply arranged radially within a first carcass ply, and a second rubber reinforcing ply arranged between the first carcass ply and a second carcass ply, wherein the two rubber reinforcing plies extend, starting from the bead apex region and with mutually displaced ends, up to and beneath the edge region of the belt plies the two rubber plies have a different height in the radial direction and pronouncedly different radial thickness over the height of the side wall, and the ends of the radially inner, first carcass ply are led around the respective bead ring, wherein the ends of the first carcass ply are overlappingly connected to the inside of the radially outer second carcass ply extending up to the bead ring; the radially inner end of the second rubber reinforcing ply is formed as a bead apex and the thickened end of this rubber reinforcing ply forms a bead apex region; and a reinforcing or stiffening strip is provided between the turned over end of the first carcass ply and the end of the respective second rubber reinforcing ply forming a bead apex region.