Abstract: The present invention is directed to a pneumatic tire comprising at least one component selected from the group consisting of beads, apexes, and sidewall veneers, the at least one component comprising a rubber composition, the rubber composition comprising: at least one diene based elastomer; an epoxidized palm oil; wherein the rubber composition comprises less than 1 phr of stearic acid.

Abstract: A thermoplastic elastomer composition having excellent durability and flexibility while possessing superior air impermeability. In particular, a process for producing a thermoplastic elastomer composition having high rubber content by multistage addition of at least one vulcanizable rubber component, in which the time required to substantially cure the at least one rubber component preferably is less the mixer residence time. Such compositions are particularly useful in applications such as tire innerliners and barrier films or layers.

Abstract: A heavy duty tire comprises: a carcass ply of cords extending between bead portions; and a bead reinforcing layer disposed in each of the bead portion. The carcass ply has edges winded around the bead cores so that the winded portion has a base part extending along the bead core from the axially inside to the axially outside thereof, and a radially outer part extending axially inwards on the radially outside of the bead core. The bead reinforcing layer comprises: a curved portion extending along the base part; an axially outer portion extending radially outwardly, separation from the base part; and an axially inner portion extending radially outwardly along a main portion of the carcass ply. The bead reinforcing layer is composed of a ply of cords laid side by side, and the spacing Da of the cords in an axially outer part beneath the bead core, of the curved portion is not less than 1.5 times and not more than 3.0 times the spacing Db of the cords in the axially outer portion.

Abstract: A heavy duty tire comprises a bead filler disposed in each bead portion (4). The bead filler (8) comprises: a main layer (13) having a complex elastic modulus E*2 of from 2.0 to 6.0 Mpa; and a fastening layer (12) having a complex elastic modulus E*1 of from 20 to 70 Mpa. The fastening layer comprises a base portion (12B) and an axially inner portion (12A) to have a L-shaped cross section. The height Ha of the axially inner portion (12A) is 35 to 100 mm and not more than the height Hb of the main layer (13), and the radial height Hb is 40 to 100 mm, each from the bead base line.

Abstract: The present invention provides a rubber composition for a tire that is capable of improving air permeability resistance while preventing chipping of the bead toe and a pneumatic tire comprising the rubber composition. Specifically, the present invention relates to a rubber composition for a tire containing a composite material comprising rubber, polyolefin and nylon; the composite material being contained so that the content of nylon is 1 to 40 parts by weight based on 100 parts by weight of the total rubber component in the rubber composition.

Abstract: This invention relates to a pneumatic tire provided at its bead portion with a rubber chafer (4) and covered at its inner surface with an innerliner (5), wherein a toe rubber (6) is further arranged on a toe end part of the bead portion so as to overlap with the rubber chafer (4) and the innerliner (5) and locate at least outside the innerliner (5) at the overlapped portion with the innerliner (5), and a rubber composition A containing at least one of butyl rubber and halogenated butyl rubber as 20-40 mass % of a rubber component is used in the toe rubber (6).

Abstract: It is possible to provide a rubber composition including a rubber component, and 0.5 part by mass or more of at least any one of a terpene based resin and a rosin-based resin based on 100 parts by mass of the rubber component, wherein the rubber component contains 20 to 100% by mass of a natural rubber component consisting of at least any one of a natural rubber and a modified natural rubber, as well as the rubber composition which can realize both of maintenance of properties desired in various applications and improvement in processibility while a use amount of a raw material derived from a petroleum source is reduced, and a pneumatic tire using the same.

Abstract: There is provided a rubber composition in which strength and weather resistance are improved and the use of petroleum resource is suppressed as much as possible, and a tire comprising thereof. A rubber composition comprising 3 to 12 parts by weight of a pigment derived from resources other than petroleum, 10 parts by weight or less of carbon black and 30 parts by weight or more of silica based on 100 parts by weight of rubber components comprising an epoxidized natural rubber and/or a natural rubber.

Abstract: The invention provides a rubber composition to form a bead apex provided between a non-folded back part and a folded back part of an annular ply folded back so as to surround a bead wire at both ends of annular ply, including a rubber component containing at least one of a natural rubber and an epoxidized natural rubber, and including not less than 30 parts by mass of silica and not less than 0.1 part by mass and not more than 10 parts by mass of a quinone diimine compound relative to 100 parts by mass of the rubber component, a bead apex, and a tire.

Abstract: The present invention provides a rubber composition for coating a steel cord in a belt layer which can decrease a decreasing rate of tensile properties caused by deterioration of thermal oxidation, inhibiting peeling from the steel cord and further reducing a rubber flow, and a steel cord coated with a carcass layer comprising the same. The present invention relates to a rubber composition for coating a steel cord comprising (A) at least 3 parts by weight and less than 5 parts by weight of sulfur, (B) 0.1 to 1 part by weight of hexamethylenebisthiosulfate disodium salt dihydrate, and (C) a cobalt salt of an organic acid containing boron based on 100 parts by weight of a rubber component, wherein the amount of cobalt in the cobalt salt of a boron containing organic acid (C) is 0.05 to 0.25 part by weight based on 100 parts by weight of the rubber component, and a steel cord coated with a carcass layer comprising the same.

Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition, the rubber composition comprising from about 50 to about 100 parts by weight, per 100 parts by weight of elastomer, of a vinylpyridine-styrene-butadiene (VPSBR) elastomer comprising units derived from monomers comprising styrene, 1,3-butadiene, and vinylpyridine monomers which have the structural formula: wherein R1 represents a hydrogen atom or a straight chain or branched alkyl group containing 1 to 4 carbon atoms, wherein the VPSBR comprises from about 0.1 to about 8 percent by weight of vinylpyridine monomer; from 0 to about 50 phr of at least one additional diene-based elastomer; from about 5 to about 15 phr of an at least partially exfoliated clay; and from about 1 to about 40 phr of a polyoctenamer.

Abstract: A pneumatic tire comprises a carcass reaching a bead core of a bead portion from a tread portion via a side wall portion; a side wall rubber arranged in an outer side of said carcass and forming an outer side surface of said side wall portion; and a clinch rubber for preventing a rim displacement connected to a lower end of the side wall rubber and forming an outer side surface of said bead portion. The sidewall rubber and the clinch rubber are constituted by a strip wind body formed by winding and overlapping a side wall rubber strip and a clinch rubber strip in a circumferential direction and spirally, and the respective rubber strips are wound in the same direction from the bead portion side toward the tread portion side.

Abstract: The subject of the present invention is the use of cohesive, low-hysteresis compositions comprising small amounts of reinforcing fillers to produce profiled filing members arranged in the bottom zone of tires in order to improve the life thereof.

Abstract: A pneumatic tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions with a bead core therein, and a carcass ply extending between the bead portions through the tread portion and sidewall portions and wound around the bead core in each of the bead portions from the axially inside to the axially outside of the tire so as to form a pair of wound portions and a main portion therebetween. The bead core has a cross sectional shape elongated in a direction substantially parallel to the bottom of the bead portion so that the width thereof measured in this direction is in a range of from 1.5-2.5 times the height thereof measured perpendicularly thereto. The bead core is covered with a high modulus rubber layer having a complex elastic modulus E*1 of from 20-100 Mpa and a thickness of t1 of from 0.5-3.0 mm.

Abstract: The subject of the present invention is the use of cohesive, low-hysteresis compositions comprising small amounts of reinforcing fillers to produce profiled filing members arranged in the bottom zone of tires in order to improve the life thereof.

Abstract: Tire including at least one structural element including a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition includes: (a) 100 phr of at least one diene elastomeric polymer; (b) 5 phr to 120 phr, preferably 10 phr to 80 phr, more preferably 20 phr to 50 phr, of at least one layered material modified with at least one alkyl ammonium or alkyl phosphonium salt, the layered material having an individual layer thickness of 0.01 nm to 30 nm, preferably 0.05 nm to 15 nm, more preferably 0.1 nm to 2 nm; (c) 0.05 phr to 2 phr, preferably 0.1 phr to 1 phr, more preferably 0.2 phr to 0.5 phr, of at least one N-acyl-sulfenyl amide; and (d) 0.3 phr to 5 phr, preferably 0.5 phr to 4 phr, of least one organic or inorganic acid or a derivative thereof selected from: carboxylic acids, phosphoric acids, sulfonic acids, boric acids, or derivatives thereof. Preferably, the at least one structural element is selected from bead filler, sidewall insert, treat underlayer, tread base.

Abstract: A heavy duty tire having an improved durability in bead portions and comprising a carcass ply of steel cords, the end portions of which are turned up around bead cores from the axially inside to the axially outside of the tire, and a core protecting rubber having a complex elastic modulus of 50 to 80 Mpa, at least a part of which is located in a core inside region which is located axially inward of the bead core and is sandwiched between the axially inner surface of the bead core and the steel cords of the turnup portion of the carcass ply.

Abstract: The present invention provides a run-flat tire provided with a reinforcing rubber layer 9 arranged in a side wall section 2 so as to be formed in a crescent cross sectional shape, an annular protrusion section 10 protruding to an outer side in a tire width direction from at least one of bead sections 1, and having an inner peripheral side surface 11 facing to an outer peripheral side curved surface of a rim flange 8a at a time of installing a specified rim, and an annular bead 1b arranged in the annular protrusion section 10, in which the run-flat tire is provided with a ridge section 23 connecting to an outer side in the tire width direction from an inner peripheral side surface 11 of the annular protrusion section 10 so as to protrude to an inner peripheral side of the tire, and having an inner diameter smaller than an outer diameter of the rim flange 8a, and a soft rubber layer 15 arranged in the ridge section 23 and having a corner section 16 tapered toward the tire inner peripheral side.

Abstract: A pneumatic tire allowed to increase steering stability and durability while reducing rolling resistance, wherein a reinforced rubber layer extending from a bead part along a side wall part is installed in the side wall part. A rubber composition forming the reinforced rubber layer has a loss of tangent (tan ?) measured at 60° C. of 0.01 to 0.25, a JIS-A hardness measured at 23° C. of 70 to 95, and a breaking elongation in a tension test measured at 23° C. of 200% or more.

Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition contacting one or more reinforcing textile cords, the textile cords comprising a resorcinol-formaldehyde-latex (RFL) adhesive disposed on the surface of the textile cords, wherein the RFL adhesive comprises polyvinylpyrollidone and at least one other elastomer, and the RFL adhesive comprises from 0.4 to 4 weight percent of polyvinylpyrrolidone, based on the total weight of the elastomers in the RFL adhesive.

Abstract: Tire bead rubber compositions and tire beads made therewith are provided having good dimensional stability, processability and wire adhesion Tire bead rubber compositions containing crosslinked styrene butadiene rubber are also provided having good dimensional stability, processability and wire adhesion. Methods for manufacturing tire beads and tires using dimensionally stale compositions are further provided.

Abstract: A sulfur-vulcanizable rubber composition containing 100 parts by weight of a diene-based rubber, 1 to 30 parts by weight of an ester-based plasticizer having a saturated cyclic structure of the formula (I): wherein R1 and R2 independently indicate a hydrogen atom or a C1 to C18 organic group and 40 to 120 parts by weight of a reinforcing filler and a pneumatic tire using the same.

Abstract: The present invention relates to a heavy duty tire being capable of preventing positional shift of carcass cords in the blowout direction while restricting rupture of the carcass cords for improving bead durability. A ply turnup portions 6b of a carcass 6 includes a sub-portion 11 that extends proximate of an upper surface SU of a bead core 5 in a tire radial direction upon inclining towards a ply main body portion 6a and further includes an auxiliary cord layer 20 for pressing the sub-portion outside thereof in the radial direction. A bead portion 4 is further provided with a U-shaped bead reinforcing layer 15. A periphery of the bead core 5 is coated by a reinforcing rubber layer 15 made of high elastic rubber having a complex elastic modulus E*a of 20 to 70 MPa, and a rubber thickness T0 of a clearance portion G at which bead wires 5w and carcass cords 20 are adjacent is defined to be not less than 0.

Abstract: A pneumatic tire whose lateral rigidity is efficiently increased and that enables further improvement of driving stability. The pneumatic tire has bead fillers on the outer peripheral side of bead cores. Sheet-like auxiliary fillers are arranged on both sides of a bead filler, so that not less than ? in the height direction of the bead filler is sandwiched by the auxiliary fillers.

Abstract: A heavy duty tire comprises a bead core disposed in each bead portion, and a carcass ply of steel cords extending between the bead portions. The edges of the carcass ply are winded around the bead cores from the axially inside to outside of the tire to form a pair of winded portions and a main portion therebetween. The winded portion around the bead core comprises an axially inwardly extending turnback part above the bead core, and a base part under the bead core. The base part is curved concavely so as to form a space between the base part and the bead core, and an anchor rubber having a complex elastic modulus of from 20 to 80 MPa is disposed in the space to tightly pinch the carcass cords between the anchor rubber and the bead seat of the wheel rim.

Abstract: The invention provides a rubber composition for forming a clinch of a tire, containing a rubber component containing at least one of a natural rubber and an epoxidized natural rubber, and not less than 30 parts by mass of silica and not less than 0.1 part by mass to not more than 10 parts by mass of a quinone diimine compound to 100 parts by mass of the rubber component, and a clinch and a tire formed using the rubber composition.

Abstract: A tire comprising at least one reinforcement structure of the carcass type anchored on either side of the tire in a bead, the base of which bead is intended to be mounted on a rim seat, the reinforcement structure extending circumferentially from the bead towards the sidewall, at least one arrangement of main cords along a substantially circumferential path being arranged substantially adjacent to the structure, the arrangement of the cords of the at least one arrangement being such that the number of main cords arranged on the axially inner side relative to the structure is greater than the number of main cords arranged on the axially outer side relative to the structure.

Abstract: A tire includes bead insulation compound that is formed by combining a rubber component, a bituminous hydrocarbon resin, and a processing oil that includes naphthenic oil.

Abstract: A heavy duty tire including bead portions each with a bead core, and a carcass ply containing a main portion extending between bead portions and a pair of edge portions wound around the bead cores, the wound edge portion including a turnback part extending axially inwardly from a position on the axially outside of the bead core and an auxiliary cord layer disposed on the radially outside of the turnback part, whereby the end of the turnback part is positioned at a distance of from 2.0 to 8.0 mm from the radially outer surface of the bead core. In a normally inflated unloaded state of the tire, the turnback part is curved such that the diameter of the turnback part decreases continuously from the end to the position in the axial outside of the bead core.

Abstract: The present invention relates to a rubber composition containing a diene based elastomer reinforced with rubber reinforcing carbon black and/or silica which contains an antidegradant comprised of N-1,3-dimethylbutyl-N?-phenyl-p-phenylene diamine (6-PPD) together with a dispersion of a methyl isobutyl ketone (MIBK)-adsorbing activated carbon. The invention further relates to a tire having a component thereof containing such rubber composition.

Abstract: The present invention is directed to a pneumatic tire comprising at least one component comprising a rubber composition comprising a diene based elastomer and an inorganic negative thermal expansion (NTE) filler comprising at least one compound selected from the group consisting of metal tungstates, metal phosphates, metal molybdates, metal vanadates, and metal arsenates, wherein the inorganic filler has a negative coefficient of thermal expansion in at least part of the temperature range of 0° C. to 200° C.

Abstract: A pneumatic tire comprising a radial carcass (5) of at least one carcass ply including a main body portion (3a) and a turnup portion (3b), and a reinforcing member (7) including at least two reinforcing layers. The at least two reinforcing layers (6a, 6b) are cross reinforcing layers (21) arranged so as to envelop at least the turnup portion of the radial carcass and cross cords of these layers with each other. Outer ends of the cross reinforcing layers, located outward from the turnup portion (3b) of the radial carcass in the widthwise direction of the tire, are outward from an outer end (13) of the turnup portion of the radial carcass in the radial direction of the tire. A crossing angle ? between cords of adjacent cross reinforcing layers with respect to a circumferential direction (15) of the tire is more than 50° but less than 1300°.

Abstract: A rubber composition favorably used for a reinforcing layer of a run flat tire, which have both low exothermic property and high strength. A rubber composition for a tire, comprising 10 to 100 parts by weight of carbon black having a nitrogen adsorbing-specific area of 30 to 100 m2/g and a dibutyl phthalate oil absorption amount of at least 50 ml/100 g and at least 2 parts by weight of sulfur or a sulfur compound based on 100 parts by weight of a rubber component containing 10 to 70% by weight of a butadiene rubber obtained by copolymerizing a compound represented by the formula (1): (wherein R1 represents an amino group, an alkoxy group, a silyloxy group, an acetal group, a carboxyl group, a mercapto group or derivatives thereof).

Abstract: A pneumatic tire comprises: a carcass ply turned up around a bead core in each bead portion from the inside to the outside of the tire so as to form a pair of turnup portions and a main portion therebetween; a bead apex disposed between the carcass ply turnup portion and main portion; and a reinforcing rubber layer disposed axially outside the carcass ply, wherein the bead apex extends radially outwardly from the bead core up to a position at a radial height in a range of from 10 to 25 mm from the radially outer end of the bead core; the reinforcing rubber layer extends radially outwardly beyond the maximum tire section width point, and radially inwardly beyond the radially outer edge of the turnup portion; and the bead apex and reinforcing rubber layer are each made of a hard rubber, and the difference in hardness therebetween is not more than 15 degrees.

Abstract: An aircraft tire has an inflation pressure greater than 9 bar and a deflection greater than 30%. The tire includes a crown, two sidewalls and two beads, a carcass reinforcement anchored in the two beads and a crown reinforcement. The carcass reinforcement includes at least one circumferential alignment of reinforcement elements and the mechanism for anchoring the reinforcement elements within each bead includes circumferentially oriented reinforcement elements axially bordering the circumferential alignments of said reinforcement elements of the carcass reinforcement. The reinforcement elements of the carcass reinforcement and the circumferentially oriented reinforcement elements are separated from each other by a bonding rubber mix of very high elasticity modulus. The circumferentially oriented reinforcement elements are in the form of cables having a penetrability of between 80 and 100%, the breaking load of the cables being greater than 150 daN, and the cables having an elongation at break greater than 4%.

Abstract: The present invention relates to a pneumatic tire having a pair of spaced apart bead components, a connecting carcass between said bead components, and a rubber chafer positioned around at least a portion of each of said bead components and intended for contacting a rigid rim of a wheel, wherein said chafer comprises a self lubricating rubber composition, the self lubricating rubber composition comprising at least one rubber and from 1 to 50 phr of at least one additive selected from alcohols of formula I, esters of formula II, or amides of formula III wherein R1 and R2 are independently selected from C12-C36 alkyl, C12-C36 alkenyl, or C12-C36 alkadienyl.

Abstract: A tire includes a carcass-type reinforcement structure anchored on either side of the tire in a bead. Each of the beads includes an anchoring zone having a plurality of circumferential cord windings cooperating with the adjacent portion of the reinforcement structure. The cord windings are arranged to form a cord stack in which the distance between the cord of a radially innermost winding and an adjacent portion of the reinforcement structure differs from the distance between the cord of the radially outermost winding and an adjacent portion of the reinforcement structure, wherein the stack is non-parallel to the reinforcement.

Abstract: A pneumatic tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions, a bead core disposed in each bead portion, a carcass comprising a ply of carcass cords extending between the bead portions through the tread portion and sidewall portions and turned up around the bead core in each bead portion, and an inner liner made of air-impermeable rubber extending on the tire cavity side of the carcass from one of the bead portions to the other. The radially inner end of the inner liner is located radially inside the radially innermost end of the carcass. In a radial region between the radially innermost end of the carcass and the radially outermost end of the bead core, the thickness of the inner liner is not less than 0.15 time but not more than 4.0 times the cross section diameter of the carcass cord.

Abstract: A heavy duty pneumatic radial tire includes a carcass ply, in which a ply folding portion folding a bead core is successively disposed in a ply body. The ply folding portion includes a main portion folded along the bead core, and a winding-up portion extending continuously to the main portion and apart from the bead core. The winding-up portion extends with an inclination of an angle ? in a direction in which a diameter is increased inward in the tire axial direction, the angle ? being set to 20 to 65 degrees with respect to an upper surface in the radial direction of the bead core, a distance La from the upper surface in the radial direction of the bead core at the inner end point of the winding-up portion being set to 5 mm to 15 mm, and a distance Lb between the inner end point of the winding-up portion and the ply body being set to 1 mm to 5 mm.

Abstract: The present invention relates to a heavy duty tire comprising a carcass comprising a carcass ply of cords extending between bead portions and turned up around a bead core in each bead portion from the inside to outside of the tire so as to form a pair of turnup portions and a main portion therebetween, and a bead reinforcing layer comprising at least one reinforcing ply of cords disposed of each said bead portion, wherein the turnup portion comprises a turnup main part extending an inner region inside a extension line obtained by extending a radially outer surface of the bead core, and a turnup sub part extending an outer region outside said extension line through a portion near the radially outer surface of said bead core, and wherein the reinforcing cord ply comprises a center portion extending along the radially inside the turnup main part, an axially outside portion extending from the center portion to the radially outside of the tire apart from said turnup portion, and an axially inside portion extend

Abstract: A pneumatic tire comprises a carcass comprised of at least one carcass ply containing a steel cord(s) arranged at a cord angle of 70–90° with respect to an equatorial plane of the tire and toroidally extending between a pair of bead cores and turned up around the bead core inward or outward in a radial direction to form a turnup portion, wherein a wrap part wrapping on a peripheral face of the bead core therealong is formed in the turnup portion of the carcass ply.

Abstract: A pneumatic radial ply tire 100 for use on aircraft has a radial reinforced carcass 20 having at least one axially inner ply 2A, 2B, 2C and 2D of textile cords 21 wound around a pair of bead cores 33. The improved bead structure 30 has a flipper 50 having an axially inner leg LI and axially outer leg LE. The ends LI, LE of the flippers 50 are above the bead core height Bh and below the apex A of an elastomeric strip 40 satisfying the relation Bh<LE<0.7D and Bh<LI<0.7D. Additionally, the tire carcass 20 has at least one axially outer ply 2E, 2F of textile cords 21 extending from bead 30 to bead 30 along the turn-ups 20A, 20B, 20C and 20D of the axially inner plies 2A, 2B, 2C and 2D. The plies 21 are closely spaced along the natural ply path.

Abstract: A tire comprising two sidewalls, beads, a reinforcement structure extending radially from each of the beads towards the crown zone, at least one of said beads comprising: a bead seat of inverted type; an anchoring zone for the reinforcement structure in said bead, comprising an arrangement of circumferential cords, a bonding mix being arranged between the circumferential cords and the reinforcement structure, said bonding mix of the anchoring zone having a elasticity modulus at a deformation of 10% of less than 20 MPa and preferably between 10 and 20 MPa; an axially outer zone arranged in the zone of the bead; a bearing zone for said bead. The anchoring rubber mix makes it possible, in spite of its rigidity which is very much less than what was advocated previously, to retain very satisfactory endurance properties.

Abstract: The present invention provides a pneumatic radial tire, in which rolling resistance is reduced and durability is improved without losing toe-chip resistance when assembling the rim. More specifically, the present invention relates to a pneumatic radial tire having a chafer comprising a rubber composition having complex modulus of 9 to 13 MPa measured under conditions of temperature of 70° C., frequency of 10 Hz and dynamic strain of ±2%, loss tangent of 0.08 to 0.11 and tensile elongation at break of at least 230% measured according to JIS-K6251.

Abstract: An antiabrasive band includes a vulcanized elastomeric compound including at least one natural or synthetic rubber. A value of a loss factor of the compound at 70° C. is less than or equal to 0.130. A value of a storage modulus of the compound at 70° C. is greater than or equal to 6 MPa. A tire for a vehicle wheel is also disclosed, including at least one carcass ply and a pair of beads. A first edge of the at least one carcass ply is folded externally around one or more first bead wires and a second edge of the at least one carcass ply is folded externally around one or more second bead wires. Each bead includes one or more respective bead wires, a bead filling, and the antiabrasive band.

Abstract: A tire comprising: two beads intended to be in contact with a mounting rim (J), at least one of the said beads having a bead seat inclined towards the outside, this bead comprising an anchoring device formed by at least one circumferential bead reinforcement element and a wedge substantially triangular in shape, a radial carcass reinforcement having an upturn extending over or in the wedge, and axially outside the lateral face of the wedge, a protuberance made from rubber mix provided for axially protecting the rim (J) against abrasion and impacts when the tire is mounted on the latter, each bead comprising, between the axially external protuberance of the said bead and the lateral face of the wedge, a bead protection profile with a thickness of at least 0.3 mm made from rubber mix whose modulus at 10% deformation is greater than the modulus of the material constituting the protuberance.

Abstract: A tire has a carcass reinforcement extending between a pair of opposing bead portion. At least one of the bead portions terminates axially to the outside by a tip and is intended to be mounted on a wheel rim having a bead seat that has an axially outer end closer to the axis of rotation than the axially inner end thereof. Within the bead portion are a bead ring and a bead apex. The radial carcass reinforcement ply is anchored in each bead portion and has at least one terminal end located in the bead portion. In the bead portion, the reinforcement ply passing radially inward of the bead ring, extending axially outward of the bead ring. The reinforcement ply terminates without passing back under the bead ring.

Abstract: A tire comprising a crown, two sidewalls and two beads, a carcass reinforcement anchored in each of the beads and a crown reinforcement. The carcass reinforcement comprises at least two circumferential alignments of first reinforcing threads of high elasticity modulus, each circumferential alignment of the first reinforcing threads being, within each bead, bordered axially inwardly and axially outwardly by second reinforcing threads, oriented substantially circumferentially, of a modulus greater than or equal to that of the first reinforcing threads. The first reinforcing threads and second reinforcing threads are separated by a layer of mix of very high elasticity modulus. Considering ?RI as being the total of the rigidities of extension of the second reinforcing threads arranged axially inwardly relative to the carcass reinforcement and considering ?RE as being the total of the rigidities of extension of the second reinforcing threads arranged axially on either side of the carcass reinforcement, then: 0.

Abstract: A tire comprising a crown, two sidewalls and two beads, a carcass reinforcement anchored in each of the beads and a crown reinforcement. The carcass reinforcement comprises at least two circumferential alignments of first reinforcing threads of high elasticity modulus, each circumferential alignment of the first reinforcing threads being, within each bead, bordered axially by second reinforcing threads oriented substantially circumferentially. The first reinforcing threads and the second reinforcing threads are separated by a layer of mix of very high elasticity modulus. The second reinforcements are arranged in a spiral and formed of monofilaments or unit threads of steel.

Abstract: A pneumatic rubber tire having at least one visually exposed component (e.g. sidewall) comprised of a carbon black reinforced rubber composition and contains a significant amount of at least one alkylphenoxypoly(alkyleneoxy) alkanol. Such tire component particularly contains a film thereof on a visually observable outer surface thereof Such tire component may be, for example, at a least a portion of a tire sidewall.