| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 152564000 | Carcass characterized by the chemical composition or physical properties of the elastomers or the like | 30 |
| 20100147440 | PNEUMATIC TIRE AND MANUFACTURING METHOD THEREFOR - Provided is a pneumatic tire and a manufacturing method therefor which allow a reduction in a cavity resonance sound without complicated manufacturing steps. A pneumatic tire of the present invention includes: a pair of bead portions; a carcass layer bridged between the pair of bead portions; and an inner liner layer disposed at a tire inner surface side of the carcass layer, the inner liner layer being made of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending a thermoplastic resin with an elastomer. The inner liner layer has a laminated structure including multiple film layers having different melting points of the thermoplastic resin from each other. The film layer having the lowest melting point of the thermoplastic resin is foamed to form multiple convex portions in the tire inner surface. | 06-17-2010 |
| 20100147439 | SELF-SUPPORTING PNEUMATIC TIRE WITH OPTIMIZED PLY LINE - The present invention is directed to a self-supporting tire. More specifically, the tire has a carcass, a tread, and a belt reinforcing structure located radially outward of the carcass and radially inward of the tread. The carcass is comprised of a reinforcing ply structure extending between a pair of bead portions, a pair of sidewalls, each sidewall located radially outward of one of the pair of bead portions, and a pair of inserts located in each sidewall. A first insert and second insert are located between the innerliner and the ply. | 06-17-2010 |
| 20100043937 | LOW-NOISE PNEUMATIC TIRE - Provided is a low-noise pneumatic tire for reducing a cavity resonance sound generated inside the tire. An inner liner layer is made of a thermoplastic resin or a thermoplastic elastomer composition formed by blending the thermoplastic resin with an elastomer. Multiple types of convex portions differing from each other in protruding height h are formed on at least a region of an inner wall surface of the inner liner layer, the region corresponding to a tread portion. Each of the convex portions has a strip shape, protrudes from the inner liner layer, and extends in a tire width direction. The convex portions are intermittently arranged in a tire circumferential direction. | 02-25-2010 |
| 20120205022 | RUBBER MATERIAL WITH BARRIER MATERIAL MADE OF CYCLOOLEFIN COPOLYMERS - A rubber material is described, modified with a barrier material in the form of a copolymer which can be produced via ring-opening metathesis polymerization of a) at least one olefin monomer selected from the group consisting of monocyclic olefin monomers having one or two endocyclic C—C double bonds and bicyclic olefin monomers having one endocyclic C—C double bond and b) at least one polycyclic olefin monomer having at least two C—C double bonds. The barrier material can be used to reduce the gas permeability of the rubber material. | 08-16-2012 |
| 20100108230 | SYNTHESIS OF SOLUBLE FUNCTIONALIZED LITHIUM INITIATORS - This invention discloses a process for making dilithium initiators in high purity. This process can be conducted in the absence of amines which is desirable since amines can act as modifiers for anionic polymerizations. The dilithium compounds made are highly desirable because they are soluble in aromatic solvents. The present invention also discloses a tire which is comprised of a generally toroidal-shaped carcass with an outer circumferential tread, two spaced beads, at least one ply extending from bead to bead and sidewalls extending radially from and connecting said tread to said beads, wherein said tread is adapted to be ground-contacting, and wherein said tread is a cured the rubber formulation which is comprised of (a) at least one rubbery polymer containing functional groups of the structural formula: | 05-06-2010 |
| 20100108229 | PNEUMATIC TIRE - A pneumatic tire is provided which includes: a carcass that is formed from at least one layer including a plurality of organic fibrous cords or metallic cords and that has a segmented portion segmented at a tread portion; a belt layer; and a carcass segmented portion reinforcing layer that covers the segmented portion, wherein the carcass segmented portion reinforcing layer is formed from a thermoplastic resin or from a thermoplastic elastomer in which a thermoplastic resin component and an elastomer component are blended. | 05-06-2010 |
| 20100181002 | TIRE - It is an object of the present invention to improve both of low rolling resistance and strength of a tire. The present invention provides a tire having a side wall, a case and an inner liner wherein the side wall includes (A) a rubber composition for a side wall including 20 to 45 parts by weight of (A2) filler based on 100 parts by weight of the specific rubber component, the cord of the case is covered with (B) a rubber composition for covering a case cord including 20 to 45 parts by weight of (B2) filler based on 100 parts by weight of (B) the specific rubber component, and the inner liner includes (C) a rubber composition for an inner liner including 15 to 45 parts by weight of (C2) carbon black with a nitrogen adsorption specific surface area of 20 to 45 m | 07-22-2010 |
| 20080308208 | Rubber composition for carcass ply or band and pneumatic tire using the same - A pneumatic tire equipped with a carcass ply or a band using a rubber composition for a carcass ply or a band, in which characteristics that are desired for the rubber composition for a carcass ply or a band such as adhesiveness with a cord for a tire, durability such as rubber strength, and the process-passing property are maintained while decreasing the used amount of raw materials derived from petroleum resources, is provided by the rubber composition for a carcass ply or a band containing 20 to 80 parts by mass of silica to 100 parts by mass of a rubber component consisting of 5 to 70 parts by mass of a liquid rubber and 95 to 30 parts by mass of a solid rubber component, in which the solid rubber component contains 30 to 100% by mass of a natural rubber component containing at least one of a natural rubber and a modified natural rubber. | 12-18-2008 |
| 20090151846 | TIRE WITH INNERLINER CONTAINING LOW MELTING POLYAMIDE - The present invention is directed to a pneumatic tire comprising a carcass and an innerliner in direct contact with the carcass, the innerliner comprising a rubber composition comprising:
| 06-18-2009 |
| 20120024447 | POLYMER SHEET FOR INNER LINER, POLYMER LAMINATE FOR INNER LINER, AND PNEUMATIC TIRE - A pneumatic tire is provided which includes a polymer sheet for an inner liner composed of a polymer composition including: a polymer component containing more than or equal to 5% by mass and less than or equal to 40% by mass of a styrene-isobutylene-styrene triblock copolymer and more than or equal to 60% by mass and less than or equal to 95% by mass of a rubber component of at least one kind selected from the group consisting of natural rubber, isoprene rubber, and butyl rubber; and more than or equal to 0.1 part by mass and less than or equal to 5 parts by mass of sulfur with respect to 100 parts by mass of the polymer component. The pneumatic tire has sufficient tackiness before vulcanization and vulcanization adhesiveness between the inner liner and a member adjacent thereto, and exhibits excellent air permeation resistance. | 02-02-2012 |
| 20100043938 | DENDRIMERS OF RUBBERY POLYMERS - This invention discloses a process for synthesizing a dendrimer of a rubbery polymer comprising: (a) reacting a lithium terminated rubbery polymer with a halogenated silicon containing compound to produce a polymer which is terminated with halogenated silicon moieties, wherein the halogenated silicon contain compound has at least four halogen atoms which are bonded directly to silicon atoms, wherein the ratio of the lithium terminated rubbery polymer to halogen atoms in the halogenated silicon containing compound is within the range of 2:n to (n-1):n, wherein n represents the number of halogen atoms that are bonded directly to silicon atoms in the halogenated silicon containing compound, wherein the halogenated silicon containing compound contains at least three halogen atoms which are bonded directly to a silicon atom; (b) reacting the polymer which is terminated with halogenated silicon moieties with a molar excess of a tertiary alcohol to produce a polymer which is terminated with hydroxy silyl moieties; and (c) allowing the polymer which is terminated with the hydroxy silyl moieties to couple under conditions sufficient to produce a dendrimer containing siloxane linkages. It has also be found that similar dendrimers having improved processability can be make utilizing halogenated tin containing compounds in stead of the halogenated silicon containing compound. | 02-25-2010 |
| 20090084485 | 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. The tire comprises additionally at least in each shoulder a layer of reinforcement elements which are oriented circumferentially and have an undulation, the axially inner end of said additional layer being radially adjacent to the edge of a working crown layer, the axially outer end of said additional layer being located at a distance from the equatorial plane of the tire which is at least equal to the distance between said plane and the end of the working layer to which it is adjacent and the distance between said layer and the end of the axially widest working crown layer being greater than 1.5 mm. | 04-02-2009 |
| 20100186868 | PNEUMATIC TIRE - The present invention is directed to a pneumatic tire having a component comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr),
| 07-29-2010 |
| 20100314020 | PNEUMATIC TIRE - Provided is a pneumatic tire: in which a film made of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending an elastomer in a thermoplastic resin is used for an inner liner layer; and which is improved in its internal pressure holding performance while maintaining its durability satisfactorily. The pneumatic tire according to the present invention is a pneumatic tire in which: a carcass layer including multiple reinforcing cords is laid between paired bead parts; and the carcass layer is wound up around each of bead cores from the inner side to the outer side of the tire. In the pneumatic tire, an inner liner layer including a film made of the thermoplastic resin or the thermoplastic elastomer composition obtained by blending the elastomer in the thermoplastic resin is disposed on a tire inner cavity side of the carcass layer, the inner liner layer is wound up around each bead core from the inner side to the outer side of the tire, and the winding-up height (L-TUH) of the inner liner layer is set at 25% or more of the sectional height (SH) of the tire. | 12-16-2010 |
| 20110011511 | POLYMER MIXTURE, POLYMER COMPOSITION AND PNEUMATIC TIRE - To provide a polymer composition that is good in durability and anti-air permeability, and has a superior adhesive property to adjacent rubber and processability. A polymer mixture containing a styrene-isobutylene-styrene triblock copolymer in a range from 99 to 60% by mass and a polyamide-based polymer in a range from 1 to 40% by mass that contains polyamide in the molecular chain thereof and has a Shore D hardness of 70 or less, a polymer composition containing the polymer mixture, and the polymer composition are used as some members of a tire. | 01-20-2011 |
| 20110024017 | PNEUMATIC TIRE - The pneumatic tire of the present invention, in which a tread rubber, a sidewall rubber, and a breaker rubber each have an intrinsic volume resistivity of 1×10 | 02-03-2011 |
| 20100132868 | RUBBER COMPOSITIONS CONTAINING NON-SULFUR SILICA COUPLING AGENTS BOUND TO DIENE RUBBERS - The invention provides vulcanizable rubber compound having improved tensile mechanical and dynamic viscoelastic properties. The compounds are formed by mixing an elastomer, containing unsaturated carbon-carbon bonds in its molecular structure, with a reinforcing inorganic filler silica in the presence of an alkyl alkoxysilane and a non-sulfur coupling agent that binds to the rubber backbone with an “ene” linkage or a 1,3 dipolar addition linkage. In particular, the coupling agent and the alkyl alkoxysilane are present in the compound in a weight ratio of about 0.0001:1 to about 1:1. | 06-03-2010 |
| 20110253285 | NATURAL RUBBER AND METHOD FOR PRODUCING THE SAME, RUBBER COMPOSITION AND PNEUMATIC TIRE USING THE SAME, MODIFIED NATURAL RUBBER AND METHOD FOR PRODUCING THE SAME, AND RUBBER COMPOSITION FOR TREAD OR FOR COVERING CARCASS CORD AND PNEUMATIC TIRE USING THE SAME - The present invention relates to a natural rubber that contains 200 ppm or less of phosphorus. | 10-20-2011 |
| 20110041977 | TIRE AND ELECTRONIC DEVICE ASSEMBLY - A tire and electronic device assembly is disclosed, the electronic device measuring one or more tire parameters. The electronic device attaches to a cellular insert member to create a sub-assembly, the insert member having an inward surface attached on a centerline of the tire to an inward facing tire surface defining a tire cavity. The electronic device attaches to the cellular insert member between raised regions of the cellular insert member with an outward surface of the device uncovered and exposed and recessed below outward boundaries of the raised regions. | 02-24-2011 |
| 20110114241 | PNEUMATIC TIRE WITH RUBBER COMPONENT CONTAINING CARBOXYMETHYLCELLULOSE - 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:
| 05-19-2011 |
| 20100186869 | PNEUMATIC TIRE - The present invention is directed to a pneumatic tire having a component comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr),
| 07-29-2010 |
| 20100181003 | PNEUMATIC TIRE MANUFACTURING METHOD AND PNEUMATIC TIRE - Provided are a pneumatic tire manufacturing method and a pneumatic tire capable of improving separation failure of a tire component member made of either a thermoplastic resin or a thermoplastic elastomer composition. The method and the pneumatic tire have the following configuration. A green tire is formed by radially expanding a carcass band | 07-22-2010 |
| 20100051164 | MODULAR PLY TIRE WITH DISSIMILAR MATERIALS - A tire carcass is disclosed herein which includes a first radial ply, first and second sidewalls, a carcass crown portion, the carcass crown portion having a first edge and a second edge, and a non-continuous second radial ply, the second radial ply having a right side extending from approximately the first edge of the carcass crown portion, and extending approximately to at least the first bead core and a left side extending from approximately the second edge of the carcass crown portion, and extending approximately to at least the second bead core, wherein at least one of the sidewalls and the carcass crown portion are made of dissimilar material. | 03-04-2010 |
| 20120000590 | Tire Comprising Carcass Reinforcing Cords of Low Permeability and Textile Threads Associated with the Carcass Reinforcement - A tire having a radial carcass reinforcement, comprised of at least one layer of metal reinforcing elements, said tire comprising a crown reinforcement, which is itself covered radially with a tread, said tread being joined to two beads via two sidewalls. The metal reinforcing elements of at least one layer of the carcass reinforcement are non-hooped cords having, in the permeability test, a flow rate of less than | 01-05-2012 |
| 20100096061 | Heavy Goods Vehicle Tire - A tire for a heavy vehicle, with radial carcass reinforcement, having an outside radius R greater than 1000 mm, comprising a crown reinforcement radially interposed between the carcass reinforcement and the tread, said crown reinforcement having at least one protective crown reinforcement radially adjacent to the tread. The tire comprises a complex having at least one layer of polymer mix with an axial width that is less than the width of the working crown reinforcement and with a thickness that is greater than 16 mm, the elastic modulus of said complex having a radial gradient, the lowest elastic modulus being greater than 15 MPa. | 04-22-2010 |
| 20120118468 | PNEUMATIC TIRE HAVING AN INNERLINER OF A RUBBER COMPOSITION COMPRISED OF DIENE BASED ELASTOMER AND RESIN - The present invention relates to a pneumatic rubber tire having an integral innerliner of a rubber composition comprised of a combination of cis 1,4-polyisoprene rubber and medium to high vinyl styrene/butadiene rubber together with compatible resin. | 05-17-2012 |
| 20090020209 | Rubber Composition for Carcass Ply and/or Belt, Carcass Ply and/or Belt Using Same and Preparation Process of Rubber Composition - The present invention can provide the rubber composition for a carcass ply and/or a belt, which comprises a rubber component comprising 30 to 90% by weight of a natural rubber and 10 to 70% by weight of an epoxidized natural rubber and a filler containing not less than 80% by weight of silica, has adhesion as favorably compared with a rubber composition mainly comprising raw materials derived from non-petroleum resources, and makes it possible to reduce an adverse effect on environment and provide for the future decrease of petroleum supply, the carcass ply and/or the belt using the same composition, and the preparation process of the same composition. It is preferable that the process for preparing the rubber composition for a carcass ply and/or a belt comprises a step (1) of kneading the natural rubber and silica and a step (2) of kneading the kneaded product discharged in the step (1) and the epoxidized natural rubber. | 01-22-2009 |
| 20090078356 | 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. The tire comprises additionally in each shoulder at least a 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 the radially outermost working crown layer, the axially outer end of said layer being located at a distance from the equatorial plane of the tire which is at least equal to the distance between said plane and the end of the working layer to which it is adjacent and the distance between said additional layer and the end of the axially widest working crown layer being greater than 1.5 mm. | 03-26-2009 |
| 20090038732 | 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 additionally comprises in each shoulder at least one layer of reinforcement elements which are parallel to each other in the layer and are oriented radially relative to the reinforcement elements of the working layer radially adjacent to said additional layer, the axially inner end of said additional layer being radially adjacent to the edge of the radially outer working crown layer, and at least part of said additional layer being radially and/or axially adjacent to the edge of the axially widest working crown layer, the ratio of the elasticity modulus of a layer P to the elasticity modulus of the calendering layer of the working layer adjacent to the additional layer being of between 0.5 and 1, said layer P being arranged between at least part of the working crown layers, the axially outer end of said layer P being axially between the ends of the axially least wide and widest working crown layers. | 02-12-2009 |
| 20100252165 | Pneumatic radial tire for airplane - A pneumatic radial tire for airplane comprises a pair of bead cores, a radial carcass comprised of at least two carcass plies, in which the radial carcass is comprised of at least one turnup ply having a main body portion and a turnup portion and at least one down ply, wherein a radially total strength T | 10-07-2010 |
