| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 152537000 | Breaker or belt characterized by the chemical composition or physical properties of elastomer or the like | 36 |
| 20090032162 | BELT ASSEMBLIES AND PNEUMATIC TIRES INCLUDING THE SAME - A pneumatic tire comprising a carcass, a tread assembly, a sidewall assembly, and a belt assembly, where the belt assembly includes at least one reinforcing element disposed within a matrix, where the matrix is a vulcanizate prepared from a skim stock prepared by combining an elastomer, a filler, a curative, a methylene donor, and a phenol derivative. | 02-05-2009 |
| 20090120552 | Tire For Heavy Vehicles - A tire having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one ply to the other, forming angles of between 10° and 45° with the circumferential direction, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and at least two working layers having different axial widths. At least one first profiled element P of rubber mix separates one working layer from at least one end of a second, axially narrower, layer, said profiled element P being radially separated at least in part from the liner C of said axially narrower working layer by a second profiled element of rubber mix G, said first and second profiled elements of rubber mix P and G and said liner C having secant moduli of elasticity under tension at 10% elongation MP, MG, MC respectively such that MC≧MG>MP, said tire additionally comprising in each shoulder at least one layer of reinforcement elements which are oriented circumferentially and have an undulation, and the axially inner end of said additional layer being radially adjacent to the edge of at least one working crown layer. | 05-14-2009 |
| 20090126848 | Tire for Heavy Vehicles - A tire having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of inextensible reinforcement elements, which are crossed from one ply to the other, forming angles of between 10° and 45° with the circumferential direction, which itself is topped radially by a tread, said tread being joined to two beads by means of two sidewalls and the axially widest working crown layer being radially internal to the other working crown layers. The tire comprises additionally in each shoulder at least one layer of reinforcement elements which are parallel to each other in the layer and are oriented circumferentially, the axially inner end of said additional layer being radially adjacent to the edge of a working crown layer, at least part of said additional layer being radially and/or axially adjacent to the edge of the axially widest working crown layer and the axially outer end of said additional layer being radially internal to the axially widest working crown layer. | 05-21-2009 |
| 20090165919 | TYRE BELT INCORPORATING AN ANTIOXIDANT AGENT - Tyre belt comprising a rubber composition based on at least one isoprene elastomer, a reinforcing filler, a crosslinking system and an antioxidant agent, characterized in that said antioxidant agent comprises a 4,4′-bis(alkylamino)triphenylamine corresponding to the formula (I): | 07-02-2009 |
| 20090218025 | Vehicle Tire - A tire comprising a carcass-type reinforcement structure formed from reinforcing elements anchored on each side of the tire to a bead, the base of which is intended to be mounted on a rim seat, each bead being extended radially outwards by a sidewall, the sidewalls joining, radially outwards, a tread and having, beneath the tread, a crown reinforcement structure consisting of at least two layers of reinforcing elements called working layers, said reinforcing elements of the working layers being of identical nature. In a given circumferential plane, the extensional stiffness per unit width of a first working layer measured along the principal direction of the reinforcing elements of said first layer is strictly higher than the extensional stiffness per unit width of a second working layer measured along the principal direction of the reinforcing elements of said second working layer, the second working layer being radially further away from the carcass structure than said first working layer. | 09-03-2009 |
| 20100089512 | PROCESS FOR PRODUCING AND STORING A SEMI-FINISHED PRODUCT MADE OF ELASTOMERIC MATERIAL - A process for producing tyres for vehicle wheels includes the following steps: manufacturing a green tyre including at least one element made of crosslinkable elastomeric material, the element being obtained by unwinding a semi-finished product in strip form from a storage reel and then coiling the product onto a building drum; moulding the green tyre in a moulding cavity defined in a vulcanizing mould; crosslinking the elastomeric material by heating the tyre to a given temperature for a given time; wherein the element made of crosslinkable elastomeric material includes at least one copolymer of at least one ethylenically unsaturated carboxylic acid or a derivative thereof with at least one ethylenically unsaturated monomer containing at least one polyoxyalkylene side chain. | 04-15-2010 |
| 20100163151 | CUSHIONING RUBBER COMPOSITION AND PNEUMATIC TIRE EMPLOYING THE SAME - A cushioning rubber composition contains 5 to 20 parts by mass of first carbon black having an iodine adsorption number of 50 to 70 mg/g and a dibutyl phthalate oil absorption of 130 to 150 ml/100 g and 15 to 30 parts by mass of second carbon black having an iodine adsorption number of 110 to 130 mg/g and a dibutyl phthalate oil absorption of 105 to 120 ml/100 g as well as sulfur and a vulcanization accelerator with respect to 100 parts by mass of a rubber component, while the mass ratio of sulfur to the vulcanization accelerator is 1.0 to 2.3. | 07-01-2010 |
| 20100252163 | PNEUMATIC TIRE FOR MOTORCYCLE - A pneumatic tire for motorcycles is provided which can improve traction performance especially during sharp cornering by largely leaning a vehicle, and stability during leaning of a vehicle without diminishing other performances. A pneumatic tire for motorcycles having a tread portion | 10-07-2010 |
| 20110094650 | ELASTOMER COMPOSITION AND PNEUMATIC TIRE USING SAME - An elastomer composition comprising a butyl-based rubber (A), as a dispersed phase, including (i) a brominated isobutylene and p-methylstyrene copolymer rubber or (ii) a blend of a butyl rubber, halogenated butyl rubber and/or polyisobutylene rubber and a brominated isobutylene and p-methylstyrene copolymer rubber and a Nylon resin (B), as a matrix phase, selected from Nylon 11, Nylon 6/66 copolymer, Nylon 6 and/or Nylon 66, wherein the matrix phase of the butyl-based rubber/Nylon resin blend composition having titanium oxide (C) compounded therein in an amount of 2.5 to 8% by weight, based upon the weight of the Nylon resin (B), whereby UV degradation can be suppressed and long term outdoor exposure can be withstood and a pneumatic tire using the same. | 04-28-2011 |
| 20110108179 | Tire with Crown Comprising a Layer of Very High Modulus Rubber Mix - A tire comprising two beads ( | 05-12-2011 |
| 20110139328 | PROCESS FOR BUILDING GREEN TYRE FOR VEHICLE WHEELS AND TYRES BUILT BY SAID PROCESS - A process for building a green tyre for a vehicle wheel includes the steps of: a) building a carcass structure of a green tyre on a forming drum, the carcass structure including at least one carcass ply and a pair of annular anchoring structures, said at least one carcass ply being built by laying circumferentially contiguous strip-like elements; b) toroidally shaping the carcass structure for associating it to a crown structure including at least one belt structure; wherein step a) of building includes at least one step of applying a constraining layer of a green elastomeric material reinforced with fibres oriented substantially perpendicular to the axis of rotation of said forming drum, the green elastomeric material reinforced with oriented fibres exhibiting at 20% of elongation in a direction parallel to the direction of orientation of the above fibres, a strain level higher than or equal to 0.20 MPa measured according to ISO 9026 and ISO 37 standards by a specimen classified as ‘type 2’ in the ISO 37 standard. | 06-16-2011 |
| 20110203712 | Rubber Composition for Tires Incorporating a Novel Antioxidant System - Rubber composition, especially for a tire, based on at least one diene elastomer, a reinforcing filler, a crosslinking system and an antioxidant system, wherein said antioxidant system contains at least two antioxidants “A” and “B”:
| 08-25-2011 |
| 20110303338 | Rubber Composition for Tire Including a Novel Anti-Oxidant System - Rubber composition, especially for a tire, based on at least one diene elastomer, a reinforcing filler, a crosslinking system and an antioxidant system, wherein said antioxidant system comprises at least two antioxidants “A” and “B”:
| 12-15-2011 |
| 20110308686 | Tire for Heavy Vehicles, with a Crown Reinforcement Comprising at Least One Layer of Circumferential Reinforcing Elements - A tire comprising a crown reinforcement which is itself capped radially with a tread, the crown reinforcement containing at least one layer of circumferential reinforcing elements distributed axially at a variable pitch. The layer of circumferential reinforcing elements comprising five parts, these being a central part, two intermediate parts and two axially exterior parts, the pitch in the central part being in the range between 1 and 1.5 times the pitch of the axially exterior parts and the pitch in an intermediate part being in the range between 1.6 and 2 times the pitch of the axially exterior parts. | 12-22-2011 |
| 20120103496 | PNEUMATIC TIRE WITH TIE LAYER AND METHOD OF MAKING SAME - A pneumatic tire that includes a tread and a barrier layer disposed inwardly of the tread. The barrier layer includes a dynamically vulcanized alloy. A tire layer, e.g., a ply layer, is situated between the barrier layer and the tread and includes a rubber formulation having a diene rubber. A tie layer is situated between the barrier layer and the tire layer. The tie layer includes a rubber formulation having 100 parts of a mixture of rubbers chosen from 10-50 parts nitrile rubber, 20-70 parts natural rubber, and 10-30 parts synthetic polyisoprene rubber, wherein the mixture is the total amount of rubber for the rubber formulation. The rubber formulation further includes at least one reinforcing filler, at least one tackifier, and optionally at least one processing oil. The tie layer is adhered directly to the barrier layer, which may be the innermost layer, and the tire layer. | 05-03-2012 |
| 20120211139 | Adhesion Composition and Textile Materials and Articles Treated Therewith - This invention relates to improved adhesion compositions and textile materials and articles treated therewith. The improved adhesion composition comprises a non-crosslinked resorcinol-formaldehyde and/or resorcinol-furfural condensate (or a phenol-formaldehyde condensate that is soluble in water), a rubber latex, and an aldehyde component such as 2-furfuraldehyde. The composition may be applied to textile substrates and used for improving the adhesion between the treated textile substrates and rubber materials. End-use articles that contain the treated textile-rubber composite include, without limitation, automobile tires, belts, and hoses as well as printing blankets. | 08-23-2012 |
| 20120234451 | PNEUMATIC TIRE - A reinforcing belt | 09-20-2012 |
| 20120267026 | RUBBER COMPOSITION FOR TIRE, AND PNEUMATIC TIRE - The invention provides a rubber composition for a tire, and a pneumatic tire that are capable of achieving both good fuel economy and a good elongation at break. The rubber composition for a tire according to the invention includes a rubber component containing an isoprene-based rubber; sulfur; and a coumarone-indene resin having a softening point of −20° C. to 45° C., wherein the coumarone-indene resin is contained in an amount of 0.5 to 20 parts by mass per 100 parts by mass of the rubber component. | 10-25-2012 |
| 20120267027 | PNEUMATIC VEHICLE TIRE - Pneumatic vehicle tire includes at least two bracing plies arranged to intersect each other at an angle and including reinforcements of steel arranged substantially parallel to and at a distance from one another and embedded in a rubber material. Bracing ply reinforcements are oriented at an angle of 18° to 45° with the circumferential direction of the tire. A bracing bandage is also included having at least one ply with reinforcements of a non-metallic material arranged substantially parallel to and at a distance from one another and generally extending a circumferential direction of the tire. Bracing bandage reinforcements include a material with heat shrinkage properties. Under a predetermined extension of 1% in the longitudinal direction of the reinforcements, each bracing ply, has a tension of <17,500 N per dm of width, and the bracing bandage as a whole has a tension of >2,000 N per dm of width. | 10-25-2012 |
| 20120285599 | RUBBER COMPOSITION FOR BREAKER TOPPING AND PNEUMATIC TIRE - Provided are a rubber composition for a breaker topping which can achieve balanced improvement of fuel economy, hardness, elongation at break, and adhesion; and a pneumatic tire using the rubber composition. The rubber composition for a breaker topping includes a rubber component; silica; sulfur; a certain vulcanization accelerator; a compound represented by the following formula and/or a hydrate thereof; and stearic acid and/or cobalt stearate, wherein the mass ratio of the sulfur/the vulcanization accelerator and the total amount of stearic acid and cobalt stearate are set to the respective certain values, the formula being: | 11-15-2012 |
| 20130075009 | ALL-STEEL TIRE - Provided is an all-steel tire including an insulation which achieves excellent adhesion to cords, sheet processability, fuel economy, and elongation at break, as well as high durability for preventing a separation between carcass cords and rubber, and the like. The present invention relates to an all-steel tire including an insulation produced from a rubber composition which includes: a diene rubber, a wet silica with a BET specific surface area of 70-250 m | 03-28-2013 |
| 20130133805 | PNEUMATIC TYRE, THE BELT OF WHICH IS PROVIDED WITH A COATING RUBBER THAT REDUCES ROLLING NOISE - A radial tyre for motor vehicle includes: a crown with at least a tread and a crown reinforcement or belt, two inextensible beads, two sidewalls connecting the two inextensible beads to the tread, and a carcass reinforcement passing into the two sidewalls and anchored in the two inextensible beads. The belt is positioned circumferentially between the tread and the carcass reinforcement, and includes textile or metallic reinforcers coated with a rubber composition referred to as a “belt-coating rubber.” The belt-coating rubber, which is capable of reducing the tyre's rolling noise, includes a diene elastomer and more than 50 phr of a filler of high-density particles having a density of greater than 4 g/cm | 05-30-2013 |
| 20130153108 | PNEUMATIC TIRE, THE CROWN OF WHICH IS PROVIDED WITH AN INNER LAYER FOR REDUCING ROLLING NOISE - A radial tyre for a motor vehicle includes a crown, two beads, a crown reinforcement, and an inner crown layer. A tread of the crown includes a contact part located at a radially outer position and intended to make contact with a road surface. The inner crown layer is located at a radially inner position and is formed of an elastomeric material having a different formulation from that of the contact part of the tread. The inner crown layer is arranged circumferentially between the contact part of the tread and the crown reinforcement or between the crown reinforcement and a carcass reinforcement, and functions to reduce rolling noises of the tyre. The elastomeric material includes a rubber composition with at least: 50 to 100 phr of a copolymer based on styrene and butadiene with a Tg greater than −40° C., a reinforcing filler, a hydrocarbon-based plasticizing resin, and a crosslinking system. | 06-20-2013 |
| 20130153109 | TIRE, THE CROWN AREA OF WHICH IS PROVIDED WITH AN INNER LAYER FOR REDUCING RUNNING NOISE - A radial tyre for reducing rolling noise includes a tread with a contact part located at a radially outer position to make contact with the road, two inextensible beads, two sidewalls connecting the beads to the tread, a carcass reinforcement, a belt arranged circumferentially between the radially outer part of the tread and the carcass reinforcement, and an inner crown layer located at a radially inner position. A formulation of the inner crown layer is different from a formulation of the contact part of the tread, and includes: 50 to 100 phr (parts by weight per hundred parts of elastomer) of a copolymer based on styrene and butadiene with a glass transition temperature of greater than −10° C., a reinforcing filler, and a crosslinking system. | 06-20-2013 |
| 20130153110 | RUBBER COMPOSITION FOR BAND TOPPING, RUBBER COMPOSITION FOR BREAKER EDGE STRIP, AND PNEUMATIC TIRE - Rubber compositions excellent in durability are disclosed, as well as a pneumatic tire including a band and/or a breaker edge strip formed from the rubber compositions. A rubber composition for a band topping includes, per 100 parts by mass a rubber component containing not less than 50% by mass of an isoprene-based rubber, predetermined amounts of sulfur, a compound such as resorcinol resins, a compound such as partial condensates of hexamethoxymethylol melamine, silica, and a carbon black having a nitrogen adsorption specific surface area of 38 to 125 m | 06-20-2013 |
| 20130206311 | TIRE, AND MANUFACTURING METHOD FOR SAME - Provided is a tire having a circular tire frame formed of at least a thermoplastic resin material, in which the tire includes a reinforcing cord member that forms a reinforcing cord layer on an outer circumference of the tire frame, and the thermoplastic resin material contains at least a polyester-based thermoplastic elastomer. | 08-15-2013 |
| 20130240106 | PNEUMATIC TIRE WITH FUSED CORD - The present invention is directed to a pneumatic tire comprising at least one pair of parallel annular beads, at least one carcass ply wrapped around said beads, at least two belts or breakers disposed over said carcass ply in a crown area of said tire, tread disposed over said belts or breakers, and sidewalls disposed between said tread and said beads, and wherein the radially top belt or breaker is reinforced with an organic polymer cord, wherein the organic polymer cord is chemically fused. | 09-19-2013 |
| 20130248075 | PNEUMATIC TIRE FOR HEAVY LOAD - A belt cushion disposed between an tire-axis-direction end of a belt layer and a carcass comprises an outer layer, an interlayer, and an inner layer which are arranged in this order inwardly in the tire-radial-direction from the tire-axis-direction end of the belt layer. The inner layer and outer layer are made of a rubber composition B having complex modulus E*b and loss tangent tan δb. The interlayer is made of a rubber composition C having complex modulus E*c being substantially the same as the complex modulus E*b and having loss tangent tan δc being smaller than the loss tangent tan δb. | 09-26-2013 |
| 20140311647 | HEAVY LOAD PNEUMATIC RADIAL TIRE - Provided is heavy load pneumatic radial tire capable of providing excellent durability by effectively preventing progression of fracture to low heat generation-type base rubber that contributes to improve high-speed durability. Heavy load pneumatic radial tire according to the present invention includes: tread rubber | 10-23-2014 |
| 20150068656 | TYRE AND METHOD OF MANUFACTURING A TYRE TRIANGULATION BELT - A crown reinforcement of a tyre includes at least one crown triangulation belt having a given width value (R). The belt essentially includes elementary widths each having a given width value (B). Each of the elementary widths has a flattened cross section and forms an angle (α) with a circumferential direction of the tyre, the angle (α) being between 10° and 80°. Adjacent elementary widths, which are positioned directly next to each other, are separated by a groove of a given width value (j) and are connected to each other by one or more weak bridges. | 03-12-2015 |
| 20150101728 | TIRE - A tire including a circular tire frame formed of a material containing a resin, the material including a sea/island structure including a sea phase constituted by a first resin material and an island phase constituted by a second resin material that is softer than the sea phase. | 04-16-2015 |
| 20150114539 | TIRE - A tire includes a circular tire frame body formed of a resin-containing material. The resin material has a sea-island structure including a sea phase constituted by a first resin material and an island phase constituted by a second resin material, and the island phase is harder than the sea phase. | 04-30-2015 |
| 20150136298 | MULTILAYER LAMINATE WHICH CAN BE USED FOR THE REINFORCEMENT OF A TYRE BELT - A multilayer laminate, which is usable as a reinforcing element for a finished article or for a semifinished product made of rubber, such as a tyre, includes at least one polymer film having, in any tensile direction in the film's plane, a Young's modulus that is greater than 500 MPa. The film is positioned between and in contact with two layers formed of a rubber composition, such as natural rubber. Each layer formed of the rubber composition exhibits, in a crosslinked state, a secant modulus that, in extension at 10% elongation, is greater than 30 MPa, with between 30 and 150 MPa being preferable for the secant modulus. | 05-21-2015 |
| 20150298505 | Pneumatic Tire - A pneumatic tire comprises a carcass layer, a belt layer disposed on an outer side of the carcass layer in a tire radial direction, and a tread rubber disposed on the outer side of the belt layer in the tire radial direction. The belt layer is formed by laminating a pair of cross belts having a belt angle, as an absolute value, of not less than 10° and not more than 45° and having a belt angles of mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° with respect to a tire circumferential direction. A tread width TW and a total tire width SW have a relationship such that 0.79≦TW/SW≦0.89. | 10-22-2015 |
| 20150314644 | TYRE FOR VEHICLE WHEELS - Tyres for vehicle wheels having reduced environmental impact and the components thereof, in particular reinforcing structural elements such as carcass structures, belt structures, flippers and chafers, include elongated reinforcing elements treated with resorcinol and formaldehyde-free cross-linkable adhesive compositions. The adhesive compositions include at least a) a rubber latex, at least b) an epoxide and at least c) a polyamine with molecular weight higher than 190 Daltons, including at least two amino groups selected from primary —NH2 and secondary —NH— amino groups. In the structural element, these compositions confer an adhesion between cords and compounds that is comparable to, if not better than, the traditional RFL system in use in this sector. Furthermore, by suitably modifying the compound compositions in the reinforced structural elements and, possibly, also in the other elastomeric components of the tyre, it is possible to manufacture tyres while avoiding the use of toxic chemicals, such, as resorcinol and formaldehyde. | 11-05-2015 |
| 20170233556 | REINFORCED PRODUCT COMPRISING A COMPOSITION CONTAINING A BALANCED METAL OXIDE AND STEARIC ACID DERIVATIVE SYSTEM AND TIRE COMPRISING SAID REINFORCED PRODUCT | 08-17-2017 |
