Abstract: A pneumatic tire is provided with a carcass layer and a sidewall rubber disposed on an outer side in a tire width direction of the carcass layer. Additionally, the pneumatic tire is provided with a resin coating applied on a predetermined region of a sidewall portion. Additionally, a minimum value of a wall thickness t of a rubber of the sidewall portion in the region applied with the resin coating is in a range of 0.05 mm?t?4.0 mm. Additionally, a thickness of the resin coating is in a range of 20 ?m or more and 300 ?m or less.

Abstract: A pneumatic tire includes a tread portion; sidewall portions; bead portions; a carcass layer disposed extending between the pair of bead portions; a belt layer of a plurality of layers disposed on an outer circumferential side of the carcass layer in the tread portion; and a band-like noise absorbing member adhered to a region corresponding to a tire inner surface of the tread portion along the tire circumferential direction interposed by an adhesive layer. The pneumatic tire further includes a belt cover layer being disposed on an outer circumferential side of the belt layer across an entire width of the belt layer, the belt cover layer including organic fiber cords arranged in the tire circumferential direction; and a rate of change of a dynamic loaded radius when traveling at 270 km/h with respect to a dynamic loaded radius when traveling at 30 km/h being restricted to 2.0% or less.

Abstract: A pneumatic tire includes: one fastener among a pair of mechanical fasteners that are separated into two in a region of a range from a bead tip to the maximum width position of a tire at a tire inner surface; and an electronic circuit device with another fastener that is to be engaged with the one fastener, the electronic circuit device being secured to the tire inner surface by fitting the two fasteners. In the pneumatic tire with such a configuration, even in the case where the electronic circuit device is mounted on the tire inner surface and liquid such as puncture repair liquid is injected in the tire at puncture, there is no possibility of damaging the electronic circuit device due to adhesion of the liquid to the electronic circuit device such as an air pressure sensor.

Abstract: A pneumatic tire including: a cylindrical annular structure; a rubber layer, which will become a tread portion, provided along a circumferential direction of the annular structure on an outer side of the annular structure; a carcass portion provided on at least both sides in a width direction of the cylindrical structure including the annular structure and the rubber layer; and an extending portion that extends from both sides in the width direction of the annular structure farther outward in the width direction than a ground contact edge on the outer side in the width direction of the tread portion, and that is provided in plurality on both sides in the width direction along the circumferential direction of the annular structure.

Abstract: Provided is a pneumatic tire with a tread portion, a sidewall portion, a bead portion, and a sound absorbing member bonded to the tire inner surface. A sheet-like heat transfer member is provided between the tire inner surface and the sound absorbing member to extend outward from the region where the sound absorbing member is bonded, which forms a heat dissipation part projecting from the sound absorbing member in the heat transfer member.

Abstract: A pneumatic tire that rotates about a center axis includes a tread rubber that comprises a contact patch; a groove provided in the tread rubber, the groove having an inner surface that includes a bottom surface and side surfaces that connect the bottom surface to the contact patch; and a coating film disposed covering at least a portion of the inner surface, the coating film reducing exposure of ultraviolet light to the inner surface.

Abstract: A pneumatic tire includes a surface and is rotatable about a center axis. The surface of the pneumatic tire includes a ground colored region including a surface of rubber, and an image recognition belt region including a colored region provided in a circumferential direction of the center axis.

Abstract: A pneumatic tire comprises: a fastener disposed on a tire inner surface, the mechanical fastener being a first mechanical fastener of a separatable pair of mechanical fasteners composed of at least two fastener members; wherein a) the fastener members sandwich a rubber-coated fiber reinforced member and fix together; b) the fastener is disposed within a region such that the following relationship is satisfied: 0.05?A/H?0.4, where A is a height in a tire radial direction from a bead toe end to a center position (C) of the fastener, and H is a height of a cross section of the tire; and c) the fiber reinforced member includes fiber bundles disposed in alignment in at least one direction, and forms an angle (minor angle ?) with a tire circumferential direction such that: 30 degrees???90 degrees.

Abstract: Provided is a pneumatic tire including one fastener in a separable pair of mechanical fasteners, the one fastener being disposed on the tire inner surface. The one fastener includes at least two components. The at least two components are fixed together while sandwiching the fixing member made from a resin or a resin composition composed of a blend of a resin and an elastomer. The fixing member includes anchoring elements disposed only on the side facing the tire inner surface. The anchoring elements are at least partially embedded in the tire inner surface.

Abstract: A pneumatic tire (1) includes a mechanical fastener (3) formed of at least two or more fastener components (3a, 3b) and attached to a tire inner surface (2). In such a pneumatic tire (1), the two or more fastener components (3a, 3b) of the mechanical fastener (3) are fixed with a resin reinforcement member (7) sandwiched therebetween, the resin reinforcement member (7) including at least one layer of a resin film or resin sheet including any of: (a) a resin or a resin composition made of a blend of resin and an elastomer; (b) a resin or a resin composition made of a blend of a resin and an elastomer including arranged fibers; and (c) a resin or a resin composition made of a blend of a resin and an elastomer with short fibers compounded therein.

Abstract: Provided is a power generation system capable of efficiently converting wind power into electric power. The power generation system comprises: a pneumatic tire; a wheel on which the pneumatic tire is mounted; and at least one generator wind turbine attached, in a cavity defined by the pneumatic tire and the wheel, to the pneumatic tire and/or the wheel.

Abstract: A pneumatic tire includes a fastener disposed on a tire inner surface, the fastener being a first fastener of a separatable pair of mechanical fasteners and being composed of at least two fastener members. The at least two fastener members sandwich a rubber-coated fiber reinforced member and fix together. The fastener is disposed at a position such that a distance (D) in a tire width direction from a center position (C) of the fastener to a tire equator line (L) and a maximum width (W) of the tire satisfy a following relationship: 0?D/W?0.40. The fiber reinforced member includes a plurality of fiber bundles disposed in alignment in at least one direction, a number of fiber bundles Y (bundles/50 mm width) per unit width of the fiber reinforced member being such that: 20?Y (bundles/50 mm width)?90.

Abstract: A pneumatic tire mounted with surface fastener members for attaching an object to a tire inner surface, comprises: at least eight surface fastener members having an intermittent arrangement on a tread inner circumferential surface, the surface fastener members having a uniform cross-sectional dimension, an overall band-like shape, and a length in a tire axial direction from 50% to 120% of a maximum belt width of the pneumatic tire; wherein an angle ? between a longitudinal direction of the surface fastener members and the tire axial direction is from 0 degrees to 45 degrees; and an installation period in a tire circumferential direction is from 80% to 150% of the length in the tire axial direction of the surface fastener members.

Abstract: The pneumatic tire of the present technology includes: a tread portion; sidewall portions; and bead portions. A pattern of grooves is formed on the tread portion, and a strip-shaped sound-absorbing member is bonded along the tire circumferential direction to a region of the tire inner surface corresponding to the tread portion via an adhesive layer. A first ground contact region is defined between the tire ground contact edge on one side in the tire width direction and the tire equatorial plane, and a second ground contact region is defined between the tire ground contact edge on the other side in the tire width direction and the tire equatorial plane. The sound-absorbing member is offset with respect to the tire width direction so that the centroid of a cross-section of the sound-absorbing member in a plane that includes a tire axis is located within the first ground contact region.

Abstract: The present technology provides a pneumatic tire having a strip-shaped sound-absorbing member bonded on the inner surface of the tire includes a plurality of belt layers, two or more belt cover layers, one or more belt edge cover layers, and a thread rubber layer. The thickness of the tread rubber layer is substantially uniform in the region X where the sound-absorbing member is located so that the difference between the thickness t1 at an end of the sound-absorbing member and the thickness t0 at the position of the tire equator is equal to or less than 0.5 mm. The thickness of the tread rubber layer is smaller in the region Y where the belt edge cover layer is located than in the region X so that the difference between the minimum value t2 of the thickness in the region Y and the thickness t0 ranges from 1.0 to 4.0 mm.

Abstract: A pneumatic tire includes a cylindrical annular structure disposed around a rotational axis; a carcass portion including a rubber covered cord, at least a portion of the carcass portion being disposed to the outer side of the annular structure in a direction parallel to the rotational axis; and a rubber layer including a tread portion, at least a portion of the rubber layer being disposed to an outer side of the annular structure in a radiation direction with respect to the rotational axis. In such a pneumatic tire, SW/OD?0.30 is satisfied, where SW is a total tire width and OD is a tire outer diameter.

Abstract: The pneumatic tire according to the present technology includes: one or more mechanical fastener members (A) disposed on the tire inner surface, which is one member of the pair of mechanical fasteners that can be separated into two members (A), (B) and that can be engaged with each other and which is secured to the tire cavity side, and the mechanical fastener members (A), (B) include a lock mechanism for locking the engagement.

Abstract: A vehicle hub unit that supports a wheel that attaches to a pneumatic tire and is attached to a joint and an air pressure adjusting device that has this vehicle hub unit, provided with a first air passage that is formed with a first opening in at least one location on a surface that attaches to the wheel, is attached to pneumatic piping of the joint that supplies air, and supplies air from the first opening to the wheel; and a second air passage that is formed with a second opening in at least one location on a surface that attaches to the wheel, is attached to pneumatic piping of the joint that exhausts air of the joint, and collects air of the wheel from the second opening.

Abstract: A pneumatic tire according to the present technology comprises at least one mechanical fastener member attached to a tire inner surface; and an outer surface mark provided on a tire outer surface, the outer surface mark showing a corresponding position in a tire rotation direction corresponding to the position where the mechanical fastener member is attached to the tire inner surface.

Abstract: A tire/wheel assembly includes a cylindrical annular structure, a rubber material layer provided on a periphery of the annular structure and that faces a circumferential direction of the annular structure, and a plurality of curved metal spring members provided between the annular structure and an electric motor disposed on the inner side of the annular structure that transfers rotation of a rotor of the electric motor to the annular structure.