Abstract: An organosilicon compound having a structure represented by following general formula: R1: methyl group or ethyl group, R2: a branched or linear, saturated or unsaturated aliphatic hydrocarbon group having 3 to 8 carbon atoms, n: 0.5˜2.5 (an average composition), R3: a divalent hydrocarbon group of —CH2—, —CH2CH2—, —CH2CH2CH2—, —CH2CH2CH2CH2—, —CH2CH2CH2CH2CH2—, —CH(CH3)—, —CH2CH(CH3)—, —C(CH3)2—, —CH(C2H5)—, —CH2CH2CH(CH3)— or —CH2CH(CH3)CH2—, X: S, S(C?O)—R4, SH or NH(3?p), and R4: a branched or linear, saturated or unsaturated aliphatic hydrocarbon group having 1 to 30 carbon atoms. When X?S, p=2 and m=1˜10. When X?S(C?O)—R4, p=1 and m=1. When X?SH, p=1 and m=1. When X?NH(3?p), p=1˜3 and m=1. The organosilicon compound simultaneously suppresses discharge of volatile alcohols generated during the reaction with an inorganic filler and exhibits great reactivity with the inorganic filler.

Abstract: A laminate of an air permeation preventive layer an adhesive layer provided with an air permeation preventive layer comprising a thermoplastic elastomer composition containing a thermoplastic resin as a continuous phase and a rubber composition dispersed therein as a dispersed phase and arranged on one surface of the air permeation preventive layer, an adhesive composition layer having a thickness of 100 ?m or less, a self tack of less than 5N and a tack to an unvulcanized diene-based rubber or 5N or more, containing 100 parts by weight of a thermoplastic elastomer containing 50 parts by weight or more of an epoxy-modified styrene-butadiene-based block copolymer so that a total of 30 to 200 parts by weight of a terpene resin and an aromatically modified terpene resin having a weight average molecular weight Mw of 1000 or less and a softening point of 60 to 120° C., 0.1 to 3 parts by weight of an internal mold release agent and 0.1 to 2 parts by weight of an organic peroxide.

Abstract: The invention is a high-efficiency wheel product for use with various ground vehicles. The product is designed to provide rolling support to the vehicle and to accommodate various surface conditions, for example, smooth pavement, rough pavement, potholes, dirt roads, and other conditions. The wheel product includes a multi-chambered pneumatic tire designed to minimize energy loss between the tire and a rolling surface by substantially reducing tire flex, a main source of energy loss in ground vehicles. Additionally, the product can reduce the need for conventional drive train elements such as shock absorbers.

Abstract: A process for producing easily in high efficiency an inner liner having strip pieces obtained by cutting a ribbonlike rubber strip at given length arranged in parallel relationship in the across-the-width direction, aligned in the direction of tire circumference and bonded together. The process comprises spirally winding ribbonlike rubber strip (21) round liner forming drum (10) at given pitch so as to make partial superimposition, thereby obtaining tubular matter (20), and cutting the tubular matter (20) at one position on the circumference thereof in the across-the-width direction so as to provide a sheet wherein severed strip pieces (21A) are bonded to each other in the state of being aligned in parallel relationship, having a length corresponding to the length of liner circumference on a forming drum in the tire forming step, and wherein the two ends on the starting side and terminating side of the spirally winding can be joined together on the forming drum.

Abstract: A polymer nano-particle composition is provided, wherein the nano-particle includes a poly(alkenylbenzene) core and a surface layer including poly(conjugated diene). A method for self-assembly of the nano-particles is also provided. The polymer nano-particles are preferably less than about 100 nm in diameter.

Abstract: A pneumatic tire and noise damper assembly comprises a pneumatic tire, a noise damper being attached to an inner surface of the tire and extending in the circumferential direction of the tire, and a protective cover being detachably attached to the tire and protecting the noise damper from ultraviolet rays and water.

Abstract: This invention relates to a cut resistant tire side-wall component and processes for making such components, and a tire containing such component, the side-wall component comprising a textile fabric wherein a single layer of said fabric provides multi-directional cut resistance in the plane of the fabric, the fabric comprising at least one ply-twisted yarn having i) at least one single yarn having a sheath/core construction, the sheath comprising cut-resistant polymeric staple fibers and the core comprising an inorganic fiber, and ii) at least one single yarn comprising cut resistant staple fiber and at least one continuous elastomeric filament and being free or substantially free of inorganic fibers; and the fabric further having a coating for improved adhesion of the fabric to rubber such that the cut resistant tire side-wall component has a free area of from 18 to 65 percent.

Abstract: Provided is a tire wheel assembly making it possible to effectively reduce cavity resonance noise without causing either negative influence on deformation of a tire or deterioration in rim assembling workability. A tire wheel assembly of the present invention includes a pneumatic tire, and a wheel provided with a rim fitted with the pneumatic tire, and forms a cavity portion between the pneumatic tire and the rim. The tire wheel assembly comprises at least one tube, which has one end thereof closed while having a length of 55% to 110% of a reference length L0 corresponding to one fourth of a cavity resonance wavelength, is provided so as to open to the cavity portion.

Abstract: A pneumatic tire including a circumferential tread, two spaced apart beads, and sidewalls connecting said beads and tread, wherein said tire sidewall contains at least one internal annular sidewall insert including at least two annular segments, the at least two annular segments including first and second adjacent annular segments; wherein said first and second annular segments are disposed with an interface therebetween; wherein each of the at least two annular segments includes a rubber composition comprising at least one diene based rubber and at least one vulcanization modifier selected from the group consisting of ?,?-bis(N,N?-dihydrocarbylthiocarbamamoyldithio)alkanes, bismaleimides, and biscitraconimides; and wherein the concentration of vulcanization modifier in the first annular segment is less than the concentration of vulcanization modifier in the second annular segment.

Abstract: The present invention is directed to a pneumatic tire having two spaced inextensible beads; a ground contacting tread portion; a pair of individual sidewalls extending radially inward from the axial outer edges of said tread portion to join the respective beads, the axial outer edges of the tread portion defining a tread width; a supporting carcass for the tread portion and sidewalls; and at least one foamed structure disposed radially inwardly of the carcass and exposed to the inner cavity of the tire, the foamed structure including a co-vulcanized foamed rubber composition having a density ranging from 0.1 to 1 g/cm3.

Abstract: Vehicle tires are filled with perfluorocarbon gas to extend tire life.

Abstract: A puncture free tire tube to be fitted under compressive deformation into a tube housing space of an annular tire outer wall, which is detachably fitted to an annular rim, the puncture free tire tube contains a long member extrusion-molded with an elastomer as a raw material, and has a cross sectional area of from 1 to 1.3 times a cross sectional area of the tube housing space of the tire outer wall and a length corresponding to a circumferential length at a center of the cross section of the tire outer wall.

Abstract: The present invention has its object to provide a rubber composition having excellent low-exothermic property and high strength together, and a pneumatic tire produced using the rubber composition. The present invention relates to a rubber composition which contains a rubber component and 10 to 150 parts by mass of silica per 100 parts by mass of the rubber component. The rubber component contains a butadiene rubber modified by a compound represented by the formula (1): wherein, R1, R2 and R3 are the same or different and independently represent an alkyl group, an alkoxy group, a silyloxy group, an acetal group, a carboxyl group, a mercapto group, or a derivative thereof; R4 and R5 are the same or different and independently represent a hydrogen atom or an alkyl group; and n represents an integer.

Abstract: This invention is concerned with a butadiene-based polymer having a high cis-1,4 bond content, a low vinyl bond content and a molecular weight distribution of a specified range, and more particularly a butadiene-based polymer having a 1,3-butadiene monomer unit, characterized in that a cis-1,4 bond content and a vinyl bond content in the 1,3-butadiene monomer unit as measured by a Fourier transform infrared spectroscopy (FT-IR) is not less than 98.0% and not more than 0.3%, respectively, and a ratio (Mw/Mn) of weight average molecular weight (Mw) to number average molecular weight (Mn) is 1.6-3.5.

Abstract: A vulcanizable rubber composition is presented that comprises an elastomer; a reinforcing filler selected from silica, carbon black, and mixtures thereof, a cure agent; and an amino alkoxy-modified silsesquioxane (AMS) comprising one or more compounds selected from the group consisting of an amino AMS, an amino/mercaptan co-AMS, an amino/blocked mercaptan co-AMS, mixtures thereof, and weak acid-neutralized solid and aqueous solutions thereof. Addition of such compounds to the rubber composition provides improved dynamic viscoelastic and mechanical properties of the vulcanized rubber compound and predict that tire components, especially tread stocks, will provide tires having improved snow traction, lower rolling resistance but equal wet traction, increased rebound, decreased hysteresis, and a general improvement in tire performance.

Abstract: A pneumatic tire and noise damper assembly comprises a pneumatic tire manufactured by vulcanization using an expandable bladder for molding an inner surface of the tire, the bladder with at least one vent groove extending on its outer surface, the inner surface of the tire being provided with at least one projecting stripe molded by the vent groove of the bladder, and a noise damper being attached to the inner surface of the tire and extending in the circumferential direction of the tire, wherein the projecting stripe comprises at least one first projecting stripe extending in an adhesion region to which the noise damper is attached, and the first projecting part has a height of from 0.2 to 1.0 mm, a width of from 0.4 to 1.6 mm and an virtual section area of from 0.08 to 1.00 mm2.

Abstract: A tire cavity resonance restricting device to be mounted on the inner surface of the tread portion facing to the cavity of a pneumatic tire. The tire cavity resonance restricting device includes a cross-sectional area changing member for changing the cross-sectional area of the cavity in tire meridian cross section, and an elastic fixing member in the form of a ring for fixing the cross-sectional area changing member to the inner surface of the tread portion. The elastic fixing member has an attachment portion to which the cross-sectional area changing member is attached and a non-attachment portion to which the cross-sectional area changing member is not attached. The non-attachment portion is greater in mass than the attachment portion.

Abstract: A pneumatic tire including a tread portion, a pair of sidewall portions, a pair of bead portions, and a carcass extending between the bead portions through the tread portion and sidewall portions, wherein the tread portion is provided radially inside the carcass with a tread tape having a thickness of not more than 2.0 mm and having a tensile elastic modulus larger than any rubber existing between the tread tape and the adjacent carcass cords. A method of manufacturing the pneumatic tire includes vulcanizing a main body of the tire, excepting the tread tape, and attaching the tread tape onto the inside of the vulcanized tire main body.

Abstract: A method of preparing a tire inner surface includes providing an uncured tire having an inner surface, placing a strip of multi-axially stretchable blend film on a circumferential surface of the inner surface, wherein one end of the overlapped splice joined by a pressure-sensitive adhesive for easy removal of the strip from the inner surface, applying a release agent coating to the annular, circumferential film strip and the inner surface of the uncured tire, shaping and curing the uncured tire with the release coating on the annular circumferential film strip and inner surface in a suitable mold at an elevated temperature, removing the cured tire from the mold and allowing the cured tire to cool, and removing the annular circumferential film strip with its release coating by use of a film strip to provide a circumferential release coating-free tire inner surface of the cured tire for adhering balance pads, puncture sealants, and noise reduction foams.

Abstract: A pneumatic tire having a noise damper, a method for manufacturing the same, and a method for fixing the damper to the tire are disclosed. The inner surface of the tread portion of the vulcanized tire is buffed, and the noise damper is fixed to the buffed inner surface, using a double-sided adhesive tape which has specific characteristics such as adhesive force, tensile strength, thickness, cold-resistant property, heat-resistant property and water-resistant property.

Abstract: Disclosed is a pneumatic tire enabling to even a weight balance thereof in a tire circumferential direction in realizing reduction of cavity resonance noise by using an annular object having cross-sectional areas which vary depending on locations in the tire circumferential direction. The pneumatic tire of the present invention is one in which an annular object having cross-sectional areas which vary depending on locations in the tire circumferential direction is mounted on an inner surface of a tread portion. In the pneumatic tire, the annular object is formed by partially applying compression forming to a porous material member having a density of 5 to 70 kg/m3 and having an uniform cross-sectional shape in the tire circumferential direction.

Abstract: This invention relates to a tire-rim assembly which is easily produced at low cost, excellent in durability and capable of notably reducing road noise, and more particularly to a tire-rim assembly comprising a pneumatic tire (1), a rim (2) and a sponge member (4) disposed in a tire internal cavity (3) defined by the pneumatic tire (1) and the rim (2), characterized in that the sponge member (4) has a specific gravity of higher than 0.06 but not higher than 0.25 and/or an air permeability of not higher than 5 cc/cm2/sec.

Abstract: The invention relates to a method for mutually adhering a first moulded article of an at least partially vulcanized rubber polymer and a second moulded article of a polymer. The method comprises at least the steps of providing a first moulded article of a rubber polymer which comprises a compound containing carboxylic acid anhydride; providing a second moulded article of a polymer; providing an adhesive composition comprising at least a polyisocyanate, a polyol and a catalyst; arranging an adhesive layer of the adhesive composition on the surface for adhesion of at least one moulded article; bringing the surfaces for adhesion together under pressure; and polymerizing at least the adhesive layer at a suitable temperature.

Abstract: A tire and a method of securing an object thereto includes a two-piece fastening system having a first portion which is applied to an innerliner of a green tire prior to the green tire being cured and a second portion which includes an object, such as a radio frequency identification chip, attached thereto. The first portion of the two-piece fastening system is attached to the innerliner of the tire with an adhesive or by curing. The green tire is then cured and the second portion of the two-piece fastening system with the object attached thereto is then attached to the first portion of the two-piece fastening system. In an alternative embodiment, the object may be sandwiched between the first and second portions of the fastening system.

Abstract: An improved apparatus, system and method of balancing a tire for a vehicle is provided. In an exemplary embodiment, a new tire for a vehicle is provided wherein the tire incorporates a plurality of removable portions and/or attachments that may be removed from their position on the external portion of the tire to properly balance the tire about the wheel assembly. Further, a system and method is provided that may be employed to properly balance the tire without the necessity of adding metal or other type weights to the wheel and tire assembly.

Abstract: The invention provides a laminated body (1) having a good workability during the production and an excellent peeling resistance, which is formed by joining a resin film layer (D) (2) comprising at least a layer composed of a resin composition (C) in which a soft resin (B) having a Young's modulus at 23° C. lower than that of a thermoplastic resin (A) is dispersed in a matrix made from the thermoplastic resin (A) and a rubbery elastomer layer (E) (3) through an adhesive layer (F) (4), wherein an adhesive composition (I) formed by compounding not less than 0.1 part by mass of at least one of a maleimide derivative (H) having not less than two reaction sites in a molecule thereof and poly-p-dinitrosobenzene based on 100 parts by mass of a rubber component (G) is applied to the adhesive layer (F) (4).

Abstract: The present invention is directed to a pneumatic tire having a rubber component including (A) 100 parts by weight (phr) of a rubber containing olefinic unsaturation; (B) from 50 to 100 phr of silica; (C) from 1 to 40 phr of a polyoctenamer.

Abstract: The kinds or types of noise dampers are significantly reduced, while securing high noise suppression performance and high uniformity of tire, to achieve improvement of production efficiency, management efficiency, transportation, storage efficiency and the like and reduction of total cost. On a tire inner surface “is” facing a tire cavity “i” surrounded by a rim 2 and a pneumatic tire 3, the tire is provided with a noise damper 4 made of a spongy material and extending in the circumferential direction of the tire. Noise dampers 4 having the same cross sectional shape are used in a size group of tires which include a minimum volume tire that the cross sectional area S of the tire cavity on the meridian cross section has a minimum value Smin and a maximum volume tire that the cavity cross section area S has a maximum value Smax, and which have sizes such that the cavity sectional area ratio Smax/Smin falls within the range of 1.00 to 1.95.

Abstract: A tire for vehicle wheels, includes at least one structural element obtained by crosslinking a crosslinkable elastomeric composition including at least one vulcanized rubber in a subdivided form surface treated with at least one oxidizing agent; at least one diene elastomeric polymer, and at least one sulfur-based vulcanizing agent. A surface treatment process of vulcanized rubber and crosslinkable elastomeric composition is obtained with the vulcanized rubber in a subdivided form surface treated with at least one oxidizing agent.

Abstract: The present invention provides a rubber composite constituted of at least two layers of members comprising a rubber composition containing a diene base rubber cross-linked by sulfur, wherein a difference in a concentration of sulfur between adjacent members in the rubber composite described above is 1.5 part by mass or more based on 100 parts by mass of a rubber component in the rubber composition described above; zinc oxide is blended in an amount satisfying a condition shown in the following equation (I) based on 100 parts by mass of a rubber component in a low sulfur concentration rubber composition among the adjacent members, and an antioxidant and/or a naphthoic hydrazide compound are blended in an amount satisfying a condition shown in the following equation (II) based on 100 parts by mass of the rubber component in the low sulfur concentration rubber composition: blending amount (parts by mass) of zinc oxide in the low sulfur concentration rubber composition>Sb×1.3+(Sa?Sb)×0.

Abstract: A pneumatic tire having a rubber sidewall including (A) 30 to 80 phr of natural rubber; (B) 20 to 70 phr of cis 1,4-polybutadiene rubber; (C) from 10 to 100 phr of silica; and (D) from 1 to 30 phr of a particulate rubber gel filler selected from the group consisting of polybutadiene gel, styrene butadiene gel, acrylonitrile-butadiene gel, chloroprene gel, natural rubber gel, and mixtures thereof.

Abstract: A tire includes at least one outer structural element, wherein the at least one outer structural element is at least partially coated by at least one coating layer including a crosslinked composition obtained by reacting: (a) at least one polysulfide polymer; (b) at least one thermoplastic polymer having at least one hydroxyl group; with (c) at least one polyisocyanate. Preferably, the at least one structural element is at least one of the tire sidewalls.

Abstract: A pneumatic tire in which the average peel strength between the surface of (A) a layer of a single-layered or multi-layered film of a thermoplastic resin and (B) a rubbery elastic layer, which are used as the inner liner layer, is 6 kN/m or greater at ?20° C., i.e., a pneumatic tire exhibiting excellent average peel strength between the surface of layer (A) and layer (B), which are used in combination as the inner liner layer exhibiting excellent gas barrier property and flexibility, at a low temperature and at the room temperature, is provided.

Abstract: An elastomeric composition is provided, wherein the composition comprises an elastomer; a reinforcing filler comprising silica; an organosilane polysulfide; and a blocked mercaptosilane, wherein the weight ratio of the blocked mercaptosilane to the organosilane polysulfide is about 0.25:1 to about 5:1. The elastomeric composition may be utilized as a component of a pneumatic tire. Also provided is a method of producing an elastomeric composition, wherein the composition comprises an elastomer; a reinforcing filler comprising silica; an organosilane polysulfide; and a blocked mercaptosilane, wherein the weight ratio of the blocked mercaptosilane to the organosilane polysulfide is about 0.25:1 to about 5:1.

Abstract: A pneumatic tire having a portion formed by laminating a rubber ribbon exhibits improved durability due to reduced propagation of cracks from the surface of the laminated portion of the rubber ribbon at a sidewall, for example. A pneumatic tire includes a laminated portion (40) formed by winding and laminating a rubber ribbon (50), and a surface layer (41) formed by bonding a rubber sheet on the outer surface of the laminated portion (40) at, for example, a sidewall (31). The surface layer (41) covers projections, recessions, and portions of adhesion failure on the laminated portion (40), and smoothes the surface of the tire, thus preventing cracking from propagating from the surface of the tire by tensile forces (P) and compressive forces (Q) during flexure.

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: This disclosure relates to a vulcanizable layered composition comprising at least two layers and at least one tie layer, wherein the first layer of the two layers comprises an fluid permeation prevention layer, the second layer of the two layers comprises at least one high diene rubber, and the tie layer comprises a mixture of: (1) about 50 to about 100 weight % of at least one halogenated isobutylene containing elastomer; (2) about 0 to about 50 weight % of at least one high diene elastomer; (3) about 20 to about 50 weight % of at least one filler; (4) about 0 to about 30 weight % of at least one processing oil; (5) about 1 to about 20 parts per hundred (phr) of at least one tackifier; and (6) at least about 0.

Abstract: A low noise pneumatic tire according to the present invention includes a belt-shaped sound absorbing member mounted on the radially inner surface of the tread by a fixing elastic band, the belt-shaped sound absorbing member being formed of a porous material. The belt-shaped sound absorbing member has a width ranged from 40% to 90% of the maximum width of the tire, and a thickness ranged from 5 mm to 50 mm.

Abstract: Provided is a pneumatic tire having an improved driving stability with reduced weight by use of an inner liner layer including a film made of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending a thermoplastic resin with an elastomer. A pneumatic tire of the present invention includes: a pair of bead portions; a carcass layer bridged between the pair of bead portions; a belt layer disposed on an outer circumferential side of the carcass layer; an inner liner layer disposed along an inner surface of the carcass layer, the inner liner layer including a film made of a thermoplastic resin or a thermoplastic elastomer composition that is obtained by blending a thermoplastic resin with an elastomer; and bead cores buried in the bead portions, respectively. The inner liner layer is wound up around the bead cores from an inner side of the tire to an outer side thereof.

Abstract: The present invention relates to a pneumatic tire having a rubber component comprised of (A) 100 parts by weight of at least one elastomer containing olefinic unsaturation; (B) 10 to 120 phr of a filler selected from carbon black and silica; (C) 0.1 to 10 phr of N,N?-(m-phenylene) bismaleimide; (D) 0.1 to 0.5 phr of zinc dibenzyl dithiocarbamate; and (E) 0.1 to 5 phr of an additional cure accelerator.

Abstract: A universal body-support for pneumatic tread is presented as a finished part for tailored application of any type of tread in which usual frame if formed by talons wings and flat area presenting bearing area and not having tread and tread having base layer coated by an elastomeric layer, compatible to the elastomeric layer, having self-adhesive characteristics and is protected against oxidation and contaminants by a film made of removable plastic material or by braided thread layer.

Abstract: Provided is a mold for vulcanization of a tire which does not entail troublesome work including removing vent spews, and which does not spoil the external appearance of the tire with the spews, as well as prevents light failures from occurring in the tire. Vent grooves (13, 14) are formed in sidewall molding surfaces (4, 5) for molding sidewall parts in such a way as to extend zigzag in the tire circumferential direction, respectively. At least one vent hole (11 or 12) is formed in each of the vent grooves (13, 14).

Abstract: A pneumatic tire having belt-shaped sound absorbing members. The belt-shaped sound absorbing members are mounted on the radially inner surface of the tread facing to the cavity of the pneumatic tire at prescribed intervals circumferentially of the tire by a fixing elastic band. The belt-shaped sound absorbing members each comprise at least one layer formed of a porous material having an apparent density of 10 kg/m3 to 70 kg/m3.

Abstract: Disclosed is a pneumatic tire provided with an elastic fixing band having excellent durability and enabling stable attachment of a member, which is independent from the tire, to an inner surface of a tread thereof. The pneumatic tire of the present invention includes a member attached to an inner surface of a tread thereof by use of an elastic fixing band, the member being independent from the tire. The pneumatic tire is characterized in that the elastic fixing band is formed of a metallic band form with a width in a range of 10 to 40 mm and a thickness in a range of 0.1 to 0.5 mm.

Abstract: Provided is a tire wheel assembly making it possible to effectively reduce cavity resonance noise without causing either negative influence on deformation of a tire or deterioration in rim assembling workability. A tire wheel assembly of the present invention includes a pneumatic tire, and a wheel provided with a rim fitted with the pneumatic tire, and forms a cavity portion between the pneumatic tire and the rim. The tire wheel assembly comprises at least one tube, which has one end thereof closed while having a length of 55% to 110% of a reference length L0 corresponding to one fourth of a cavity resonance wavelength, is provided so as to open to the cavity portion.

Abstract: A pneumatic tire is provided for reducing a tire noise having an annular cavity and at least one acoustic damper, situated in the cavity, made of an open-celled material. The acoustic damper is removably connected to an inner face of the pneumatic tire facing toward the cavity using at least one removably connectable connection device. Furthermore, a wheel rim is provided having a pneumatic tire drawn thereon, an annular cavity being shaped between wheel rim and pneumatic tire, as well as at least one acoustic damper made of open-celled material, which is situated in the cavity, which is distinguished in that the acoustic damper is removably connected on an inner face facing toward the cavity using at least one removably connectable connection device.

Abstract: The present invention relates to a pneumatic tire having a rubber component comprised of (A) 100 parts by weight of at least one elastomer containing olefinic unsaturation; (B) 10 to 120 phr of a filler selected from carbon black and silica; (C) 0.1 to 10 phr of N,N?-(m-phenylene)bismaleamic acid; (D) 0.1 to 0.5 phr of zinc dibenzyl dithiocarbamate; and (E) 0.1 to 5 phr of an additional cure accelerator.

Abstract: The present invention relates to a two piece pneumatic tire comprising a carcass and a removable tread belt disposed radially about the periphery of the carcass, the tread belt and carcass meeting at an interface between a radially outermost surface of the carcass and a radially innermost surface of the tread belt, wherein at least one of the radially outermost surface of the carcass and the radially innermost surface of the tread belt comprise 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: The present invention relates to a two piece pneumatic tire comprising a carcass and a removable tread belt disposed radially about the periphery of the carcass, the tread belt and carcass meeting at an interface between a radially outermost surface of the carcass and a radially innermost surface of the tread belt, wherein at least one of the radially outermost surface of the carcass and the radially innermost surface of the tread belt comprise 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 method of making a sorbent from waste rubber and a method of sorbing oil using such sorbent. Approximately two pounds of modifier is added to 100 pounds of vulcanized rubber waste, the modifier comprising a mixture by weight of (i) a slightly water-soluble organic acid having a melting point of 70° C. or higher representing 80%, (ii) quinine group bases representing 19% and (iii) 1% of an anti sliding ingredient such as colophony, running the mixture of rubber waste and modifier in a roll mill approximately six times to crush it and placing the crushed modified rubber particles in an extruder for 2-10 minutes at 120-150° C. The sorbent can then be applied to oil to sorb six times its own weight in oil. The sorbent can be re-used two more times after extracting the oil. The sorbent is also effective at filtering oil from water.