Patent ID: 8047243

Claim:
A retreaded pneumatic truck tire comprising: a used carcass having a uniform annular attachment area; and a retread element secured to the attachment area of the used carcass, the retread element having a tread pattern comprising a first circumferential groove separating the tread pattern into a first shoulder rib and an intermediate rib and a second circumferential groove separating the tread pattern into the intermediate rib and a second shoulder rib, the tread pattern further comprising a first plurality of identical arcuate notches extending axially and circumferentially across the first circumferential groove and a second plurality of identical arcuate notches extending axially and circumferentially across the second circumferential groove, the first plurality of arcuate notches being offset circumferentially from the second plurality of arcuate notches, each of the first plurality of arcuate notches beginning in the first shoulder rib and terminating in the intermediate rib, each of the second plurality of arcuate notches beginning in the second shoulder rib and terminating in the intermediate rib, each of the first and second pluralities of arcuate notches being oriented convexly toward a direction of rotation of the retreaded pneumatic truck tire, each of the first and second pluralities of arcuate notches having a width which decreases from the terminal end in the first and second shoulder ribs to the terminal end in the intermediate rib, and each of the first and second pluralities of arcuate notches having a curved bottom base defined by a radius which decreases from the terminal end in the first and second shoulder ribs to the terminal end in the intermediate rib.