A hooping reinforcement of a tire for a heavy duty civil engineering type vehicle is disclosed. The crown reinforcement (3) of the tire (1), radially on the inside of a tread (2), comprises a protective reinforcement (6), a working reinforcement (5) and a hooping reinforcement (7). Said hooping reinforcement (7) has an axial width at most equal to the smallest axial width (L61, L62) of the two working layers (61, 62), and comprises at least two hooping layers (71, 72) that are formed from strips each made up of elastic metal reinforcers. Each hooping layer (71, 72) is made up of an axial juxtaposition of contiguous turns of the strip (8), which are circumferentially wound around the working layer (51). Each strip (8) is at least 35 mm and at most 250 mm thick, and its distributed breaking tension is at least equal to 100 daN/mm.

In a tire, an inclination angle of a cord included in a second belt layer with respect to a tire width direction is defined as a positive inclination angle in a tire see-through plan view, an intersection point between a perpendicular line drawn from an end portion of a belt layer having a maximum belt width in the tire width direction to a carcass and a cord of an outermost carcass layer in a tire radial direction is defined as a first reference point in a tire meridian cross-sectional view, and an inclination angle of the cord with respect to the tire width direction at the first reference point is −3° or more in the tire see-through plan view.

A non-pneumatic tire includes a tread; a shear band, and a connecting web positioned between a hub and the shear band. The shear band has a first and second membrane layer formed of a plurality of parallel reinforcement cords arranged at an angle of 10 degrees or less with respect to the tire equatorial plane, said o tread further comprises a first angled belt located radially outward of the second membrane layer, and a second angled belt located radially outward of the first angled belt, wherein the first and second angled belt each have parallel reinforcement cords having a belt angle in the range of 15-30 degrees with respect to the tire equatorial plane, and wherein the angle of the second angled belt has an angle equal and opposite direction of the belt angle of the first angled belt.

A tire includes a belt layer in a tread portion. The belt layer includes at least one belt ply. The belt ply includes a plurality of belt cords including a steel single wire having a flat cross-sectional shape. In at least one of the belt cords, the steel single wire has a short diameter direction inclined at an angle θ of less than 90 degrees with respect to a thickness direction of the belt ply.

In a pneumatic tire including belt layers in a tread portion, the belt layers include a cross belt pair in which reinforcing cords constituting the belt layers intersect each other between layers, a distance between a tire outer surface and an end point of the cross belt pair measured in parallel to a line segment connecting a ground contact edge and an edge portion on the outer side of the outermost groove in the width direction on an outer surface of the tread portion satisfies 15 mm≤D1≤25 mm, a distance between the belt layer and a carcass layer at a position corresponding to an outer end point in an effective width of the cross belt pair satisfies 2.5 mm≤G1≤9.0 mm, and a ratio between a height Hα from a core separation point to a maximum outer diameter position of the carcass layer and a height Hβ to the maximum width position satisfies 0.55≤Hβ/Hα≤0.65.

A tire having a radial carcass reinforcement, made up of a single layer of reinforcing elements anchored in each of the beads by being turned up around a bead wire, reinforced by a stiffener. The two working crown layers are the only ones present to form the crown reinforcement over at least 75% of the width of the tread, the absolute value of the difference between the absolute values of the angles α2 and α1 being greater than 7°, α2 being greater than α1 in terms of absolute value, the mean angle α satisfying the relationship 13+131*exp(−L/100)<α<28+110*exp(−L/100), the reinforcing elements of the carcass reinforcement being cords which, in the test referred to as the permeability test, yield a flow rate of less than 20 cm.sup.3/min, a rubber compound being present within the cords, and, in the sidewall of the tire, the profile of the outer surface of the tire is at a constant distance from the carcass reinforcement layer between the points F and A, and meets the outer surface of the bead at the point C, forming two successive circular arcs.

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 low angle belt positioned between the working belts comprising parallel reinforcement elements angled at less than 5 degrees from the circumferential direction, and wherein a first and second narrow belt is positioned on the lateral ends of the low angle 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.

A first belt layer includes a cord extending at an inclination angle of greater than 45° with respect to the tire circumferential direction, a second belt layer includes a cord extending in the tire circumferential direction, and a third belt layer includes a cord extending at an inclination angle of 30° or less in the opposite direction from the cord of the first belt layer with respect to the tire circumferential direction. The belt layers are arranged in order, with the first belt layer furthest inward in the tire radial direction, on the outer circumferential side of a crown region of a carcass extending toroidally between a pair of bead portions. The third belt layer width w.sub.3 is 80% or more of the tread width w, and w.sub.2<w.sub.1<w.sub.3, where w.sub.1 is the first belt layer width, and w.sub.2 is the second belt layer width.

A pneumatic tire excellent in high speed stability and turning ability is provided. In a band of a tire, a center portion located in an axial center has a helically wound structure in which a first band body including a first cord is wound. A shoulder portion located on an axial outside of the center portion has a meshed structure formed by a second band body including a second cord. The shoulder portion includes a plurality of first portions, a plurality of second portions and a plurality of third portions. Each first portion is inclined and extends from an axially inner end of the shoulder portion to an axially outer end of the shoulder portion. Each second portion is inclined in an opposite direction from the first portion and extends from the axially inner end of the shoulder portion to the axially outer end of the shoulder portion.

The pneumatic tire for passenger vehicle includes on a tread portion a main belt formed of at least two inclined belt layers formed of a rubberized layer of cords extending in a manner inclined with respect to a tire circumferential direction, and a reinforcing belt formed of at least one circumferential belt layer formed of a rubberized layer of cords extending along the tire circumferential direction, the reinforcing belt arranged on a tire radial outer side of the main belt, the main belt and the reinforcing belt arranged spanning from a tire equatorial plain of the tread portion to shoulder portion sides, wherein a thickness between the cords of two of the inclined belt layers adjacent to each other is larger in the shoulder portions than in a central portion of the tread portion.