Abstract: A tire includes: a pair of beads having bead cores and a bead filler extending to an outer side in a tire-radial direction of the bead core; a carcass ply extending from one of the bead core of one bead to the bead core of the other bead, and folded back around each of the bead cores; a first pad disposed at an outer side in a tire-width direction of a folding end of the carcass ply which is folded back; a second pad disposed at an outer side in the tire-width direction of the first pad; and rim strip rubber disposed at least at a part on an outer side in the tire-width direction of the second pad, in which an electronic component is provided to interpose the second pad and the rim strip rubber.

Abstract: A method for detecting a puncture in a tire curing bladder during a curing process of heating and pressurizing an uncured tire set in a curing mold from an inside with the bladder, the curing process has the steps of heating the tire with the bladder having a first internal pressure applied by feed of a first curing medium, and pressurizing the tire with the bladder having a second internal pressure applied by feed of a second curing medium after the heating step. The second internal pressure is higher than the first internal pressure. In the pressurizing step, the bladder having the second internal pressure is depressurized at least temporarily, and a sensor detects leakage of the first curing medium to detect a puncture.

Abstract: In a pneumatic tire, a first shoulder block comprises at least one first shoulder circumferential groove which extends in a tire circumferential direction, the at least one first shoulder circumferential groove is respectively separated from a pair of first shoulder slits, a center block comprises at least one center circumferential groove which extends in the tire circumferential direction, and the at least one center circumferential groove is respectively contiguous with a pair of center slits.

Abstract: Provided is a stabilizer bush that ensures improved durability. The stabilizer bush (10) comprises: a bush main body (11) formed from a tubular elastic body having a retention hole (12) through which the stabilizer bar (2) passes; a rigid body portion (14) that is fixed to the bush main body (11) and has a higher rigidity than the bush main body (11); and an elastic film (16) that comprises an elastic body and is in contact with a second surface (14b) of the rigid body portion (14). A part of the elastic film (16) is fitted into depressed portions (15a, 15b) that are depressed from the second surface (14b) to a first surface (14a) side.

Abstract: A first forming apparatus includes a forming drum, a forming unit, a conveyance path, and a conveyance unit that conveys the forming drum along the conveyance path. A tire member is formed with tire components wound on the forming drum by the forming unit. The first forming apparatus also includes a measurement unit that performs, on a downstream side of the forming unit in the conveyance path, measurement on the tire components wound on the forming drum while the forming drum is moving through the measurement unit, in a tire radial direction over a width direction of the forming drum, and an inspection unit that performs inspection on winding states of the tire components based on a measurement result due to the measurement unit.

Abstract: A rubber composition for tires according to an embodiment is produced by kneading a diene rubber, silica, and a granular carbon nanotube prepared as a binder-coated, granulated carbon nanotube. A tire according to an embodiment comprises the rubber composition.

Abstract: In a pneumatic tire, a sidewall region comprises a protruding portion that protrudes in a tire width direction from a base surface, the protruding portion comprises an apical surface which is arranged at an end toward an exterior in the tire width direction, at least one side surface that is respectively contiguous with the base surface and the apical surface, a first linear projection which protrudes at a boundary between the apical surface and the at least one side surface, a second linear projection which protrudes at a boundary between the basal surface and the at least one side surface, and a third linear projection which protrudes in such fashion that a first end of the third linear projection is contiguous with the first linear projection, and a second end of the third linear projection is contiguous with the second linear projection.

Abstract: A rubber composition for tires according to an embodiment includes, per 100 parts by mass of a rubber component, 0.1 to 20 parts by mass of a terpene-based resin Containing an ?-pinene unit and a ?-pinene unit, and 1 to 30 parts by mass of vegetable granules having an average particle size of 0.1 to 500 ?m.

Abstract: A rubber composition for a tire tread is disclosed, which provides a tire excellent in wet grip performance at low temperatures and wet grip performance at high temperatures. The rubber composition for a tire tread includes, per 100 parts by mass of diene-based rubbers including (a) 25 to 65 parts by mass of a modified styrene butadiene rubber having a glass transition point of ?30° C. or more and (b) 25 to 65 parts by mass of a modified styrene butadiene rubber having a glass transition point of ?50° C. or less: 80 to 140 parts by mass of silica; 15 to 50 parts by mass of a thermoplastic resin having a softening point of 40° C. or more; and 5 to 15 parts by mass of an oil.

Abstract: A rubber composition for a tire tread according to an embodiment includes, per 100 parts by mass of a diene rubber including 30 to 85 parts by mass of a styrene butadiene rubber and 15 to 70 parts by mass of a butadiene rubber and having an average glass transition temperature of -57° C. or less: 90 to 150 parts by mass of silica; 5 to 30 parts by mass of an oil; and 10 parts by mass or more and less than 40 parts by mass of a thermoplastic resin having a softening point of 40° C. or more. In the rubber composition, the total content of the oil and the thermoplastic resin is less than 45 parts by mass, and the oil content is less than 20 parts by mass per 100 parts by mass of silica.

Abstract: A rubber composition for a tire tread according to an embodiment includes, per 100 parts by mass of a rubber component including 40 parts by mass or more of at least one selected from the group consisting of a natural rubber and a synthetic isoprene rubber: 5 to 50 parts by mass of a polyterpene resin having a softening point of 110° C. or more and a glass transition point of 55° C. or more and containing a ?-pinene unit; and 50 to 150 parts by mass of silica.

Abstract: A rubber composition for a tire tread is disclosed, which provides a tire excellent in wet grip performance at low temperatures and wet grip performance at high temperatures. The rubber composition for a tire tread includes, per 100 parts by mass of diene-based rubbers including (a) 30 to 50 parts by mass of a styrene butadiene rubber having a glass transition point of ?35° C. or more, (b) 20 to 40 parts by mass of a styrene butadiene rubber having a glass transition point of ?45° C. or more and less than ?35° C., and (c) 10 to 30 parts by mass of a styrene butadiene rubber having a glass transition point of ?65° C. or more and less than ?45° C.: 80 to 140 parts by mass of silica; and 15 to 50 parts by mass of a thermoplastic resin having a softening point of 40° C. or more.

Abstract: In a pneumatic tire according to an embodiment, a spiral-shaped pattern is formed in a pattern forming area provided on a surface of a sidewall. The spiral-shaped pattern is formed by alternately providing ridges protruding from a reference surface in the pattern forming area and grooves recessed from the reference surface along a spiral while gradually changing the height and the depth with respect to the reference surface.

Abstract: An arithmetic model generation system includes a tire information acquisition unit, a position information acquisition unit, a wear amount calculator, and an arithmetic model update unit. The tire information acquisition unit acquires tire data including a temperature and pressure of a tire. The position information acquisition unit acquires position data for a vehicle on which the tire is mounted. The wear amount calculator includes an arithmetic model that generates an estimated wear amount of at least one groove of the tire, the wear amount calculator calculating the estimated wear amount of at least one groove of the tire by using the arithmetic model by inputting the tire data and the position data. The arithmetic model update unit updates the arithmetic model based on a wear amount measured by a tire measurement device external to the vehicle and the estimated wear amount.

Abstract: A pneumatic tire includes a block defined by first and second main grooves and first and second lateral grooves, wherein the block includes a slit having one end open to the first main groove and the other end terminating in the block, a first corrugated sipe having one end open to the first main groove and the other end terminating in the block, and a second corrugated sipe having one end open to the second main groove and the other end terminating in the block, the slit includes a notch groove and a center sipe, the center sipe includes a first portion extending from the notch groove toward the second main groove, and a second portion bent and extending from a terminal end of the first portion, and the first and second corrugated sipe are disposed in the tire circumferential direction across the center sipe.

Abstract: Provided is a rubber composition having excellent breaking strength. The rubber composition contains an inverse vulcanizate having a glass transition temperature of 60° C. or lower.

Abstract: Provided is a rubber composition having excellent breaking strength. The rubber composition contains an inverse vulcanizate containing 10 mass % or more of carbon atoms and 30 mass % or more of sulfur atoms.