Patent ID: 7059373

Claim:
A tire comprising at least a first and a second bead radially extending to at least a first and a second sidewall, respectively, and said sidewalls joined to a tread; said first bead having a seat the generatrix of which has its axially inner end on a circle of diameter greater than the diameter of the circle on which is located the axially outer end, and a carcass reinforcement formed of at least one carcass ply and anchored in said first bead to at least one annular bead anchoring element, and when said tire is mounted on its operating rim and inflated to its recommended pressure, the meridian profile of said carcass reinforcement has a tangent to the point of tangency of said meridian profile with said anchoring element of said first bead that forms relative to the axis of rotation an angle open towards the outside of less than 70°, and characterized in that said first sidewall further comprises: an inextensible additional sidewall ring located axially to the inside of an axially outermost carcass ply, and a lower sidewall profiled rubber mix element extending radially between and connecting said annular bead anchoring element with said additional sidewall ring, and located axially to the inside of said axially outermost carcass ply.