A tire comprises a crown reinforcement comprising: a working reinforcement comprising a single working layer and a hoop reinforcement arranged radially outside the working reinforcement and comprising at least one hooping filamentary reinforcing element (170) wound circumferentially helically so as to extend axially from one axial edge to the other axial edge of the hoop reinforcement. The or each hooping filamentary reinforcing element (170) consists of: two multifilament strands (1701, 1702) of aromatic polyamide or aromatic copolyamide and one multifilament strand (1703) of aliphatic polyamide or of polyester, or three polyester multifilament strands, each multifilament strand (1701, 1702, 1703) being wound in a helix around a main axis (W) common to the three multifilament strands (1701, 1702, 1703). The hoop reinforcement has a tangent modulus at 1.3% elongation ranging from 200 to 650 daN/mm.

A pneumatic tire having a fiber-reinforced rubber layer can help prevent foreign objects from penetrating/extending beyond the tread and into its underlying layer(s), thereby desirably increasing the overall lifespan of the tire. In one embodiment, the tire includes at least one fiber-reinforced rubber layer, which can be generally supported by a tire carcass and interposed directly between a tread portion and belt ply. The fiber-reinforced rubber layer can define a barrier/barrier layer between the tread portion and belt ply and includes a rubber compound that is reinforced with one or more types of fiber (e.g., chopped nylon fiber) and has one or more specific chemical compounds that can provide desirable barrier properties (e.g., abrasion resistance, penetration energy, and DIN properties), thereby helping to prevent foreign objects from penetrating/extending beyond the tire tread and into its underlying layer(s), such as the belt ply and carcass.

In a pneumatic tire, a carcass layer is between bead portions, a bead core is in each bead portion, a reinforcement layer is on an outer side of the carcass layer, and a tread rubber layer is on the outer side of the reinforcement layer. A pair of first boundary lines passes through an intersection of an extension of a side arc forming a tread profile and an extension of a shoulder arc and orthogonal to a tire inner surface, a pair of second boundary lines passes through a rim check line and orthogonal to the tire inner surface, first to third regions are defined which have cross sectional areas of SA, SB, and SC, respectively, and the first to third regions respectively have lengths of a, b, and c along the tire inner surface such that 7.5≤SA/a≤11.5 and 2.0≤SB/b≤6.0 are satisfied.

Provided is a pneumatic tire. A belt cover layer made of an organic fiber cord spirally wound along the tire circumferential direction is provided on the outer circumferential side of a belt layer in a tread portion, and a polyethylene terephthalate fiber cord of which the elastic modulus under a load of 2.0 cN/dtex at 100° C. is in the range of 3.5 cN/(tex.Math.%) to 5.5 cN/(tex.Math.%) is used as the organic fiber cord. The coating rubber covering the organic fiber cord contains one or more of natural rubber, styrene-butadiene rubber, or butadiene rubber as a rubber component. The coating rubber is formed of a rubber composition in which the content of natural rubber in the rubber component is 50 mass % or more, and 5.0 parts by mass to 9.0 parts by mass of zinc oxide is blended per 100 parts by mass of the rubber component.

In a pneumatic tire, a belt cover layer is provided on an outer circumferential side of a belt layer in a tread portion and includes organic fiber cords helically wound along a tire circumferential direction. As the organic fiber cord, a polyethylene terephthalate fiber cord is used which has a single yarn size fineness of 700 dtex or less and in which the number of twists is 30 twists or more/100 mm. A layer thickness of the belt cover layer is 1.6 times or more as large as a cord diameter of the organic fiber cord.

A rubberized reinforcing ply (1) for articles consisting of an elastomeric material, preferably for vehicle tires, wherein the reinforcing ply (1) has a multiplicity of textile strengthening members (2) which are arranged parallel to and spaced apart from one another, wherein each textile strengthening member (2) is composed of at least one twisted multifilament yarn, and wherein the textile strengthening member (2) is not composed of the material rayon. The reinforcing ply (1) satisfies the following condition: (D.sup.2/E.sub.0) in mm corresponds to a value in a range from 0.22 mm to 0.38 mm, and the reinforcing ply (1) has a strength of >10 kN/dm, where D is the diameter of the textile strengthening member (2) in mm and lies in a range from 0.38 mm to 0.52 mm, and where E.sub.0=100/epdm.

A tire having a jointless cut protector belt, wherein the jointless cut protector belt is continuously wound using a strip of one or more reinforcement cords, wherein the strip of one or more reinforcement cords is wavy, extending primarily in the circumferential direction, and preferably wound in a sine wave pattern.

A tire for an agricultural vehicle, and in particular its tread, which aims to increase its traction capability in the field on loose ground. The tire having a nominal section width L, a central tread portion (211), centred on an equatorial plane (E) of the tire and having an axial width L1 at least equal to 0.15*L and at most equal to 0.35*L, has circumferentially distributed tread pattern elements (221), which are separated in pairs by transverse voids (231) forming an angle at least equal to 30° with the circumferential direction (XX′), and the central tread portion (211) has a local volumetric void ratio TEVL1, defined as being the ratio between the volume VC1 of the transverse voids (231) and the total volume V1 of the central tread portion (21), between the bearing surface (24) and the tread surface (25), is at most equal to 15%.

The belt layer (50) of the pneumatic tire (10) includes one inclined belt (50 A) having an inclined cord inclined with respect to the tire width direction, and a circumferential belt (50 B) disposed outside the tire radial direction of the inclined belt (50 A) and having a circumferential cord (52) wound along the tire circumferential direction. The inclined cord and the circumferential cord are formed of a predetermined organic fiber. The tread thickness (T1) of the rubber forming the tread portion (20) along the tire radial direction at a tire equatorial line (CL) is 5 mm or less.

A tire includes a carcass ply, a tread disposed radially outward of a crown region of the carcass ply, and a belt structure having an overall axial width substantially equal to a tread width interposed between the tread and the crown region in circumferential surrounding relation to the carcass ply. The belt structure includes a first belt layer and a second belt layer radially adjacent the first belt layer. The first belt layer includes a first reinforced composite with first reinforcement cords embedded in a first rubber matrix. The first reinforcement cords have a construction of 1100/4 dtex with a twist between 150 TPM and 250 TPM and a dipping tension between 100 mN/tex and 200 mN/tex.