A tire having a crown, two sidewalls and two beads, a carcass casing anchd in the two beads and having cords worked back and forth next to each other aligned circumferentially with, in each bead, loops each connecting back and forth cord portions, and in each bead, carcass casing anchoring cords oriented circumferentially and axially bordering the circumferential rows of the back and forth arrangement of carcass casing cords, wherein the carcass casing consists of cords forming two or three circumferential rows separated, at least in the beads and the sidewalls, by a filler.