The purpose of the present invention is to provide a pneumatic tire having a mechanical fastener member for attaching an object with specific functionality to an inner surface of the pneumatic tire, particularly, a pneumatic tire such that, as the pneumatic tire rolls, the object with the specific…

The present invention provides a pneumatic tire provided with a mechanical fastener member for attaching an object to the inner surface of a pneumatic tire, wherein the mechanical fastener member is bonded with high bonding strength to the inner circumferential surface of the tire, and a method of…

There is provided a pneumatic tire (1a), in which a first set of blocks (16a) that is partitioned and formed by two first circumferential grooves (24) and a plurality of first lateral grooves (26a) is provided in the center region that includes the tire equatorial plane, a second set of blocks…

The pneumatic tire (1) includes lateral communication grooves (3, 3a, 3b), and circumferential grooves (4). In a tread portion shoulder region, the lateral communication groove (3a) is disposed between a pair of V-shaped crossing grooves (2a, 2b) adjacent in a tire circumferential direction and…

The purpose of the present invention is to provide a rubber composition for a tire with which it is possible to produce a tire having excellent on-ice performance and excellent wear resistance, and a studless winter tire using the rubber composition. The rubber composition for a tire of the present…

An object of the present invention is to provide a rubber composition for a tire having excellent rubber physical properties. The present invention is a rubber composition for a tire comprising: a diene rubber; and a composite silica comprising a block copolymer and silica, the block copolymer…

A thermoplastic resin composition including a matrix phase and a dispersion phase, the thermoplastic resin composition characterized in that the matrix phase includes (A1) at least one type of polyamide resin having a melting point of 170-210°C, (A2) at least one type of polyamide resin having a…

A process for producing a thermoplastic resin composition in which the continuous phase comprises an ethylene/vinyl alcohol copolymer (A) and a polyamide resin (B) and the dispersed phase comprises an acid-modified polyolefin elastomer (C), the process being characterized by comprising: step (I) in…

Provided is a stud pin fitted into a pneumatic tire that maintains the performance on ice of the pneumatic tire and that does not easily fall out. Also provided is a pneumatic tire fitted with the stud pin. The stud pin fitted into a tread portion of a pneumatic tire comprises a buried base portion…

A method for tire parameter derivation, tire cornering characteristic calculation and tire design is used with a tire dynamic model constituted by using a plurality of tire dynamic element parameters including stiffness and friction coefficient and parameter defining a distribution of contact…

A laminate which is obtained by providing a layer of an adhesive composition, wherein an epoxy-modified elastomer is blended, between a film of a thermoplastic resin or thermoplastic elastomer composition and a layer of a rubber composition, and in which the adhesion between the film and the layer…

With respect to a laminate of a film formed of a thermoplastic resin or thermoplastic elastomer composition and a layer formed of a rubber composition in which an epoxidized natural rubber is blended, the adhesion between the film and the layer of the rubber composition is improved without using a…

Values of multiple tire dynamic element parameters are set for a tire dynamic model constructed using the tire dynamic element parameters for calculating a tire axial force and a self-aligning torque under a given slip ratio. Next, the values of the tire axial force and the self-aligning torque are…

Provided is a pneumatic tire for which braking performance on ice, braking performance on snow, and drainage performance are enhanced in a well-balanced manner. Circumferential narrow grooves (18) are disposed at a tire width direction disposal density of from 0.06 [grooves/mm] to 0.2 [grooves/mm]…

To provide a pneumatic tire with improved braking performance and turning performance on ice. Circumferential narrow grooves (16) are disposed at a density in the tire width direction of not less than 0.06 grooves/mm and not more than 0.2 grooves/mm. Width direction narrow grooves (20) extend at an…

The present invention relates to a pneumatic tire (1) in which a plurality of small blocks (20) is delineated and formed by a plurality of rectilinear circumferential narrow grooves (16) and a plurality of widthwise narrow grooves (18) that communicate with the circumferential narrow grooves, and…

An object of the present invention is to provide a pneumatic tire for uses such as racing that use nylon fiber cords as carcass cords in a half-radial cord arrangement, wherein the tire sufficiently exhibits the inherent cord properties of the nylon fiber carcass cords and has superior steering…

A rubber composition for a tire tread comprising: a diene rubber; a silica having an N 2 SA of from 194 to 225 m 2 /g and a CTAB of from 180 to 210 m 2 /g; and a polysiloxane represented by the average composition formula of formula (1) and contained in an amount of from 1 to 20 mass% with respect…

An object of the present invention is to provide a rubber composition for a tire for heavy loads and a pneumatic tire, the rubber composition exhibiting superior wear resistance, cut resistance, and low heat build-up when formed into a tire. The rubber composition for a tire for heavy loads of the…

In the present invention, a tread pattern of a pneumatic tire is provided with two outer circumferential main grooves, and at least one inner circumferential main groove provided between the outer circumferential main grooves. A tread profile line of a first land portion between the outer…

Provided is a rubber composition for a tire, comprising: diene rubber contained in a quantity of 100 parts by mass; silica contained in a quantity of 60 to 200 parts by mass; polysiloxanes represented by the average composition formula of Formula (1): (A) a (B) b (C) c (D) d (R 1 ) e SiO…

[0001] The present invention provides a rubber composition for a tire tread having excellent wet performance and low rolling resistance when formed into a tire as well as excellent processability. The present invention is a rubber composition for a tire tread containing a diene rubber component…

Provided is a rubber composition for a tire tread containing: a diene rubber; silica in an amount of from 60 to 200 parts by mass per 100 parts by mass of the rubber; a polysiloxane represented by the average composition formula: (A)(B)(C)(D)(R)SiO [in the formula, A represents a divalent sulfide…

To provide a pneumatic tire with improved braking performance on ice and pin release resistance performance in a well-balanced manner. The number of inserted stud pins (24) in the shoulder region (TS) is from 1.5 to 2.5 times the number of inserted stud pins (24) in the center region (TC), and the…

To provide a pneumatic tire that exhibits excellent wet performance and that is capable of reducing the damage in the tread portion. The pneumatic tire according to the present invention is a pneumatic tire having a designated rotational direction, comprising: a tread portion, a pair of side wall…

The present invention provides a rubber composition for pneumatic tires for construction vehicles, which has low heat build-up, cut resistance, and moldability enhanced to or beyond conventional levels. This rubber composition is a rubber composition containing: from 20 to 40 parts by weight of…

An object of the present invention is to provide an emulsion coagulant which can be used to quickly coagulate a tire puncture sealing material in an extremely low temperature environment. The emulsion coagulant of the present invention is an emulsion coagulant comprising: component (A) having a…

A stud pin configured to be installed in a stud pin installation hole in a tread portion of a pneumatic tire includes a tip end which makes contact with a road surface; and a buried base embedded in the tread portion; pressure from the side surface of the stud pin installation hole on the bottom…

Provided is a laminate of a film of a thermoplastic resin composition and a layer of a rubber composition, wherein the laminate is characterized in that the rubber composition includes (a) a rubber component, (b) 0.5-20 mass parts, per 100 mass parts of the rubber component, of a condensation…

The present invention provides a modified polymer which enhances the tensile properties and loss tangent of a vulcanized product when the modified polymer is used in the vulcanized product. This modified polymer is modified with two or more types of nitrones that include (A) a nitrone having at…