To be capable of preventing deterioration of uniformity after puncture repair while suppressing running noise.

[Solution] A pneumatic tire 1 comprises a noise damper 20 fixed to a tire inner cavity surface of a tread portion 2 and formed of a porous material. The noise damper 20 includes a first part 23 arranged on an outer side in a tire radial direction and fixed to the tire inner cavity surface 16, and a second part 24 arranged on an inner side in the tire radial direction of the first part 23 and exposed in a tire inner cavity 17. A water absorption rate of the first part 23 calculated by a following formula (1) is in a range of from 5% to 25%. Air permeability of the second part 24 measured in accordance with Japanese Industrial standard JIS-L1096 is in a range of from 1 to 7 cm3/cm2/s. The formula (1) is: water absorption rate (%)=weight change before and after immersion (g)/volume at 50% compression (cm3)100 (1).

To be capable of preventing deterioration of uniformity after puncture repair while suppressing running noise. [Solution] A pneumatic tire 1 comprises a noise damper 20 fixed to a tire inner cavity surface of a tread portion 2 and formed of a porous material. The noise damper 20 includes a first part 23 arranged on an outer side in a tire radial direction and fixed to the tire inner cavity surface 16, and a second part 24 arranged on an inner side in the tire radial direction of the first part 23 and exposed in a tire inner cavity 17. A water absorption rate of the first part 23 calculated by a following formula (1) is in a range of from 5% to 25%. Air permeability of the second part 24 measured in accordance with Japanese Industrial Standard JIS-L1096 is in a range of from 1 to 7 cm3/cm2/s. The formula (1) is:
water absorption rate (%)=weight change before and after immersion (g)/volume at 50% compression (cm3)100 (1).

Provided is a tire (10) including: a tire frame member (12) made of a resin; a reinforcing layer (16) that includes plural reinforcing cords (17) coated with a rubber material, and that is arranged on a tire radial-direction outer side of the tire frame member (12); and an adhesive layer (18) that contains a resin material, and that is arranged between the tire frame member (12) and the reinforcing layer (16).

An intersection point between an interface between a cap rubber layer and a base rubber layer and an outermost belt lateral reference line extending from an outer end of an outermost belt is positioned on an inner side in a tire axial direction than an intersection point between a normal line extending from an outer end of a widest belt to the tread surface and the outermost belt lateral reference line. An outer end of the cap rubber layer is terminated on an inner side in a tire radial direction than an outer end of the base rubber layer, and the outer end of the base rubber layer is positioned on an outer side in the tire axial direction than an end of the tread surface.

A pneumatic tire of the present disclosure includes a resin-coated belt comprising a wire coated with a coating resin, and a base ring formed at a tire radial inner side of the resin-coated belt. The base ring is in contact with a tire widthwise outer end of the resin-coated belt. An outer end of the base ring in a tire width direction is positioned in the tire width direction outside the tire widthwise outer end of the resin-coated belt. The base ring includes a rigidity reduction portion of the base ring at a portion in the tire width direction outside the tire widthwise outer end of the resin-coated belt. The rigidity reduction portion has rigidity reduced from a tire widthwise inner side to a tire widthwise outer side.

A pneumatic tire of the present disclosure comprises a resin-coated belt, a base ring that comes in contact with a tire widthwise outer end of the resin-coated belt is provided on a tire radial inside of the resin-coated belt, the base ring has a tire widthwise outer end located on an outer side of the tire widthwise outer end of the resin-coated belt in a tire width direction, and comprises an auxiliary belt that covers a tire radial outside of the base ring in a tire widthwise region from the tire widthwise outer end of the resin-coated belt to at least a part of a tire widthwise outside, and that covers a tire radial outside of the resin-coated belt in a tire widthwise region from the tire widthwise outer end of the resin-coated belt to at least a part of a tire widthwise inside.

A pneumatic tire of the present disclosure comprises a resin-coated belt and a base ring that comes in contact with a tire widthwise outer end of the resin-coated belt is provided, the base ring has a tire widthwise inner end located on an inner side of the tire widthwise outer end of the resin-coated belt in a tire width direction, the base ring has a tire widthwise outer end located on an outer side of the tire widthwise outer end of the resin-coated belt in the tire width direction, and the base ring includes a rigidity decreasing portion having a rigidity that decreases from the outer side in the tire width direction toward the inner side in the tire width direction, in a portion of the base ring on an inner side of the tire widthwise outer end of the resin-coated belt in the tire width direction.

A pneumatic tire (1) is provided with a cylindrical annular structure (10) that is disposed around the rotational axis and that has an outer surface and an inner surface, a carcass portion (12) at least a part of which is disposed on an outer side of the annular structure in a direction parallel to the rotational axis, the carcass portion (12) having a cord covered by rubber, a rubber layer (11) at least a part of which is disposed so as to face the outer surface of the annular structure, the rubber layer (11) including a tread portion, and a fiber (2) disposed between the annular structure and the rubber layer so as to suppress generation of a gas space between the annular structure and the rubber layer.

Tire comprising at least one working layer (41). The radially outermost one thereof comprises at least one undulation (412) radially on the outside of the points of the working layer (41) that are in line with the centre of the bottom face (243) of the major groove (24) closest to undulation (412). The undulation (412) of the radially outermost working layer (41) is such that, over at least 10% of the radially outer surface (ROS) of the said working layer (41), the radial distance (do) between the radially outer surface (ROS) and the tread surface (21) is at least 1 mm less than the radial distance (dc) between the radially outer surface (ROS) and the tread surface (21), which is the distance in line with the centre of the bottom face (243) of the major groove (24) closest to the said undulation (412).

Tire comprising a crown reinforcement formed of at least two working crown layers each formed of reinforcing elements inserted between two skim layers of rubber compound. First layer S of polymer compound is in contact with a working crown layer and the carcass reinforcement. The crown reinforcement comprises a layer of circumferential reinforcing elements. The elastic modulus under tension at 10% elongation of a skim layer of a working crown layer is less than 8.5 MPa, the maximum value of tan() of the skim layer of a working crown layer is <0.100. First layer S comprises a filled elastomer blend having a macro dispersion coefficient Z65 and a maximum tan() value <0.100 and its complex dynamic shear modulus G*, measured at 10% and 60 C. on the return cycle is >1.35 MPa.