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 10 degrees to about 50 degrees, wherein a zigzag or low angle belt is positioned preferably between the working belts or radially inward of the working belts. The belt structure further includes a rubber strip located between the radially innermost belt and the tire carcass, and preferably has a gauge that varies across the axial width of the tire.

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 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 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 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 16 degrees to about 30 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 extensible, and preferably made of high elongation wire.

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 pair of working belts, wherein the angle of the working belts range from about 15 degrees to about 30 degrees, wherein the belt structure further includes a zigzag belt structure located between the working belts. The zigzag belt structure is formed of at least two layers of cords interwoven together from a strip of rubber reinforced with one or more cords, wherein the strip forming the zigzag belt structure is layed up in a first zigzag winding extending from a first lateral belt edge to a second lateral belt edge in a zigzag wavelength having a first amplitude W1 followed by a second amplitude W2, and a second zigzag winding formed of a zigzag wavelength having a first amplitude W2 followed by a second amplitude W1.

Abstract: A pneumatic tire comprises a tread, a carcass and a belt structure interposed between the carcass and the tread. The belt structure includes a zigzag belt structure formed of at least two layers of cords interwoven together from a strip of rubber reinforced with one or more cords. The strip forming the zigzag belt structure is layed up in a winding pattern in accordance with the following formula: for i=1 through L, the ith winding pattern is: [WL-(i-1)Wi]×N for each drum revolution, wherein L is the number of different amplitudes used to define the zigzag cycle and L?2, and N is the number of zigzag cycles per drum revolution and N is either an integer ?1 or N=1/2n wherein n is an integer ?1.

Abstract: A pneumatic low aspect ratio truck has a crown reinforcing structure 7. The crown reinforcing structure 7 has a first steel belt ply 9 between the at least one carcass ply 3 and the tread 5, a second steel belt ply 11 between the first belt ply 9 and the tread 5, a third steel belt ply 13 between the second steel belt ply 11 and the tread 5 and a fourth steel belt ply 15 between the third steel belt ply 13 and the tread 5. The crown reinforcing structure 7 additionally has at least one circumferential steel strip 17 between the second and the third belt plies 11, 13.

Abstract: The present invention is directed to a pneumatic tire 1, in particular a low aspect ratio super single truck tire 1. In accordance with the invention, the tire has a crown reinforcing structure with a first breaker 9 between a carcass ply 3 and a tread 5, as well as four further breakers 11, 13, 15, 17 comprising at least one pair of working breakers between the first breaker 9 and the tread 5, wherein the first breaker 9 is a split breaker comprising two circumferential strips 9 essentially adjacent to the shoulders of the tire, each strip having an axial width comprised between 50% and 70% of the half tread width.

Abstract: A pneumatic tire includes a tread extending circumferentially around an outer portion of the pneumatic tire; two sidewalls extending radially inward from the tread; a carcass ply extending radially inward through each sidewall; two annular bead portions securing radially inner portions of the carcass ply; and two apexes extending radially outward from each bead portion. The bead portions include a composite material constructed of resin-impregnated fabric layers including a resin, a hardener, an accelerator, and fibers.

Abstract: A pneumatic low aspect ratio truck has a crown reinforcing structure 7, the crown reinforcing structure 7 has a first steel belt ply 9 between the at least one carcass ply 3 and the tread 5, a second steel belt ply 11 between the first belt ply 9 and the tread 5, such that the first and the second belt plies 9, 11 form a first pair of adjacent working belts. A third steel belt ply 13 between the second steel belt ply 11 and the tread 5 and a fourth steel belt ply 15 between the third steel belt ply 13 and the tread 5 such that the third and the fourth belt plies 13, 15 form a second pair of adjacent working belts. The crown reinforcing structure 7 additionally has at least one circumferential steel strip 17 between the second and the third belt plies 11, 13, wherein the at least one steel strip 17 is positioned essentially radially underneath a shoulder groove location 19.

Abstract: The present invention is directed to a pneumatic tire 1, in particular a low aspect ratio super single truck tire 1, comprising at least one pair of parallel annular beads, at least one carcass ply 3 wrapped around said beads, a tread 5, first and second sidewalls disposed between said tread 5 and one of said at least one pair of beads, and a crown reinforcing structure disposed between said at least one carcass ply 3 and said tread 5 in a crown area of said tire 1. In accordance with the invention said crown reinforcing structure comprises a first breaker 9 between the at least one carcass ply 3 and the tread 5, as well as four further breakers 11, 13, 15, 17 comprising at least one pair of working breakers between the first breaker 9 and the tread 5, wherein the first breaker 9 is a split breaker comprising two circumferential strips 9 essentially adjacent to the shoulders of the tire, each strip having an axial width comprised between 50% and 70% of the half tread width.

Abstract: A pneumatic tire comprises a tread, a carcass and a belt structure interposed between the carcass and the tread. The belt structure includes a zigzag belt structure formed of at least two layers of cords interwoven together from a strip of rubber reinforced with one or more cords. The strip forming the zigzag belt structure is layed up in a winding pattern in accordance with the following formula: for i=1 through L, the ith winding pattern is: [WL-(i-1)Wi]×N for each drum revolution, wherein L is the number of different amplitudes used to define the zigzag cycle and L?2, and N is the number of zigzag cycles per drum revolution and N is either an integer ?1 or N=½n wherein n is an integer ?1.

Abstract: A pneumatic tire includes a pair of parallel annular bead portions, at least one carcass ply reinforcing structure wrapped around the beads, a tread disposed radially outward of the carcass ply, a belt reinforcing structure disposed radially outward of the carcass ply reinforcing structure and radially inward of the tread in a crown area of the tire, and a layer of cords having an alternating straight/curled construction for improving performance characteristics of the pneumatic tire.