PNEUMATIC TIRE HAVING A RADIAL PLY OR BIAS PLY CARCASS WITH A GROOVED SIDEWALL

摘要

Pneumatic tire for a rolling assembly comprising a wheel rim and a pneumatic tire, said pneumatic tire comprising at least one carcass reinforcement (2) which is provided with cords and on top of which a crown reinforcement (3) is located in the radially outward direction, the crown reinforcement (3) being composed of at least one ply of reinforcing elements; the tread (4) is connected to two beads (5) by means of two sidewalls (6), the beads (5) being able to come into contact with a wheel rim (7) that has rim gutter tips (7b); each bead (5) includes at least one circumferential reinforcing element; on their outer surface, the sidewalls (6) have a succession of alternating protrusions (8) and recesses (9), each protrusion (8) being located on the surface of the sidewall (6); the protrusions (8) are arranged at regular or irregular intervals in a continuous manner between a point A and a point E.