Abstract: A pneumatic tire for use on trucks, the tire comprising: a tread which includes a belt reinforcement structure, the belt structure including a pair of working belts, wherein the angle of the working belts range from about 10 degrees to about 50 degrees, and wherein the first working belt has an angle of the reinforcements different that the angle of the belt reinforcements of the second working belt. The belt package further includes a low angle belt that is preferably positioned between of the working belts, wherein the angle of the low angle belt is less than 5 degrees. The working belts and the low angle belt are extensible, and preferably made of high elongation wire. The pneumatic tire further includes a wherein the tread is formed of a treadcap compound having a tensile at break greater than 18 MPa, and an elongation at break greater than 450%.

Abstract: A pneumatic tire for use on trucks, the tire comprising: a tread which includes a belt reinforcement structure, the belt structure including a pair of working belts, wherein the angle of the working belts range from about 10 degrees to about 50 degrees, and wherein the first working belt has an angle of the reinforcements different that the angle of the belt reinforcements of the second working belt. The belt package further includes a low angle belt that is preferably positioned between of the working belts. The pneumatic tire further includes a tread having a groove reinforced with a tread compound having a tensile at break greater than 18 MPa, and an elongation at break greater than 450%.

Abstract: A pneumatic tire for use on trucks, the tire comprising: a tread which includes a belt reinforcement structure, the belt structure including a pair of working belts, wherein the angle of the working belts range from about 12 degrees to about 36 degrees, wherein a low angle belt is positioned preferably between of the working belts, wherein the angle of the low angle belt is less than 5 degrees. The working belts and the low angle belt are extensible, and preferably made of extensible wire. The pneumatic tire further includes a top protector belt made of high impact resistant steel reinforcements.

Abstract: A pneumatic tire for use on trucks, the tire comprising: a tread which includes a belt reinforcement structure, the belt structure including a pair of working belts, wherein the angle of the working belts range from about 10 degrees to about 50 degrees, and wherein the first working belt has an angle of the reinforcements different that the angle of the belt reinforcements of the second working belt. The belt package further includes a low angle belt that is preferably positioned between of the working belts, wherein the angle of the low angle belt is less than 5 degrees. The working belts and the low angle belt are extensible, and preferably made of high elongation wire. The pneumatic tire further includes a top protector belt made of high impact resistant steel reinforcements.

Abstract: A tire includes an annular tread portion including a first circumferentially extending asymmetric shoulder groove having an angled axially inner sidewall with an axially inner sidewall radial angle between 170° and 180°, an angled axially outer sidewall with an axially outer sidewall radial angle between 155° and 170°, and a curved base surface with a radius of curvature ranging from 40.0 mm at an axially inner edge and 20.0 mm at an axially outer edge.

Abstract: A pneumatic tire for use on trucks, the tire comprising: a tread which includes a belt reinforcement structure of only three belts, the belt structure including a pair of working belts, wherein the angle of the working belts range from about 12 degrees to about 35 degrees, wherein a low angle belt is positioned preferably between of the working belts, wherein the angle of the low angle belt is less than 5 degrees. The working belts are made of high elongation wire having an elongation at break greater than 3.5%.

Abstract: A pneumatic tire is described which includes a tread, a carcass and a belt structure interposed between the carcass and the tread. The belt structure includes a first and second working belt, wherein the angle of the working belts range from about 12 degrees to about 35 degrees, wherein the belt structure further includes a low angle belt located radially inward of the working belts. The first working belt is the radially innermost working belt, and is the widest belt. The second working belt is the radially outermost belt. The pneumatic tire may further include a second optional low angle belt, that is located between the first low angle belt and the first working belt.

Abstract: A pneumatic tire for use on trucks, the tire comprising a tread and a belt structure located radially inward of the tread, the belt structure including a pair of working belts, wherein the working belts are reinforced plies each comprising parallel reinforcement elements, wherein the angle of the reinforcement elements in the respective working belt ranges from 12 degrees to 35 degrees from the circumferential direction, wherein the belt structure further includes a belt positioned between the working belts comprising parallel reinforcement elements angled at less than 5 degrees from the circumferential direction, and wherein there is a split belt formed of a first and second narrow belt, and wherein the first and second narrow belt are each positioned radially inward of an axially outermost groove on each side of the tread.

Abstract: A method of making a tire carcass is described. The method includes providing a first and second bead; aligning the first and second bead in parallel relationship to each other, and aligning the centers of each bead on a central axis; winding a strip of ply about the first and second bead so that the strip of ply extends between the beads in parallel relationship to the central axis forming a first stage tire carcass having two layers of ply. The method results in a tire having a carcass formed of a dual wrapped ply that is continuous in nature.

Abstract: A ply making apparatus for making a tire carcass is described. The ply making apparatus includes a support frame, and a rotatable member mounted to the support frame. The rotatable member further includes a spool mechanism for winding a strip of ply. A first and second bead support holder is located adjacent each other, wherein a first bead support holder supports a first bead in parallel relationship and axial alignment with respect to a second bead held by a second bead holder, wherein the rotatable member is positionable inside each bead.

Abstract: A tread for a pneumatic tire includes a first circumferentially continuous groove, a second circumferentially continuous groove, a third circumferentially continuous groove, a fourth circumferentially continuous groove, a central rib interposed between the second and third axially inner circumferentially continuous grooves, a central rib, a first middle rib, a second middle rib, a first shoulder rib, and a second shoulder rib. The central rib extends continuously around a circumference of the tread. The first middle rib is interposed between the first and second grooves. The first middle rib extends continuously around the circumference of the tread. The second middle rib is interposed between the third and fourth grooves. The second middle rib extends continuously around the circumference of the tread. The first circumferentially extending shoulder rib is disposed laterally outside of the first circumferentially continuous groove.

Abstract: A tread for a pneumatic tire includes a first circumferentially continuous groove, a second circumferentially continuous groove, a central rib interposed between the two circumferentially continuous grooves and extending continuously around a circumference of the tread, a first circumferentially extending shoulder rib disposed laterally outside of the first circumferentially continuous groove, and a second circumferentially extending shoulder rib disposed laterally outside of the second circumferentially continuous groove. The central rib has a plurality of circumferentially spaced sipes arranged in a first circumferential row and a second circumferential row. The sipes of the first row originate at the first circumferentially continuous groove and the sipes of the second row originate at the second circumferentially continuous groove. The sipes of both the first and second rows extend axially inward to a circumferentially extending and continuous variable center groove.