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Tire characterized by its air impervious liner or inner tube

Subclass of:

152 - Resilient tires and wheels

152151000 - TIRES, RESILIENT

152450000 - Pneumatic tire or inner tube

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
152510000 Tire characterized by its air impervious liner or inner tube 78
20090114328INNERLINER FOR TIRE AND TIRE USING THE SAME - An innerliner for tire is formed by laminating a composition containing an elastomer component onto a resin layer and then irradiating energy beams required for generating partial crosslinking between the resin layer and the elastomer component.05-07-2009
20130025760RADIAL TIRE FOR HEAVY LOAD - The present invention relates to a radial tire for a heavy load comprising a bead core, a carcass ply layer, an inner liner A layer, a belt and a tread, wherein the following relational equation (I):01-31-2013
20100078110PNEUMATIC TIRE - 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 04-01-2010
20100116399Pneumatic Tire and Rim - To provide a tire tube having excellent sealing performance and long lasting durability. The tire tube contains a primary and secondary cavity, each having multiple ports. In the event of a tire rupture or puncture within the primary cavity, the secondary cavity can be inflated manually through a secondary tire valve, or via a rapid pressurization utilizing an actuation value and a pressurized cavity within the rim structure. An adhesive impregnated rubber or synthetic layer bonded to a tubular layer will form the boundary between the wall separating the primary and secondary cavities, and provide a filler to seal the leak in the primary cavity tube outer wall, and into the tire itself.05-13-2010
20100071823METHOD FOR PRODUCING PNEUMATIC TIRE HAVING LIGHT BLOCKING PROTECTIVE LAYER ON SURFACE OF AIR PERMEATION PREVENTIVE LAYER - A method of production of a pneumatic tire having a layer of a thermoplastic resin or a thermoplastic elastomer composition comprised of a thermoplastic resin in which an elastomer component is dispersed arranged as an air permeation preventive layer on the inner surface of the tire and having a light blocking protective layer for preventing degradation caused by sunlight, placed on the surface of the air permeation preventive layer after vulcanization.03-25-2010
20100147431POORLY AIR-PERMEABLE RUBBER LAMINATE COMPOSED OF POORLY AIR-PERMEABLE RESIN AND RUBBER COMPOSITION, AND METHOD FOR PRODUCTION THEREOF - A method for producing a laminate (E) of a low air permeable resin/rubber composition comprising: 06-17-2010
20080216933Rubber composition for inner liner - A rubber composition used for an inner liner layer that reduces an amount of air permeation, lessens density of the rubber composition and does not lower fracture property of the rubber composition is provided. The rubber composition is used for an inner liner layer of an inner surface of a tire and comprises 1 to 30 parts by weight of thermal expansion microcapsules based on 100 parts by weight of rubber components containing a butyl rubber in an amount of not less than 80% by weight, wherein an outer shell portion of independent thermal expansion microcapsules is made of a thermoplastic resin, and an average particle diameter of the thermal expansion microcapsules is 10 to 95 μm.09-11-2008
20100096058TIRE INNERLINER - A method of preparing a green tire innerliner, the method comprising mixing one or more vulcanizable rubbery polymers, less than 0.75 parts by weight zinc oxide, less than 0.75 parts by weight magnesium oxide, and less than 0.75 parts by weight sulfur, per 100 parts by weight rubber, to form a vulcanizable mixture and extruding the mixture to form a green tire innerliner.04-22-2010
20090159170TIRE WITH INNERLINER CONTAINING LOW STRUCTURE SILICA - 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: 06-25-2009
20100108224METHOD FOR MANUFACTURING LOW NOISE PNEUMATIC TIRE - 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.05-06-2010
20100108223ASSEMBLY OF PNEUMATIC TIRE AND RIM - A pneumatic tire and rim assembly is provided in the cavity with a noise damper in which a sponge material extending in a circumferential direction of the tire and having a volume V05-06-2010
20100108222TIRE AND METHOD OF SECURING AN OBJECT THERETO - 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.05-06-2010
20100108221PNEUMATIC TIRE AND PROCESS FOR MANUFACTURING THE SAME - A pneumatic tire and a process for manufacturing the same which enable, in the use of a film of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending an elastomer in a thermoplastic resin as an air permeation preventive layer, formation of the air permeation preventive layer excelling in gas barrier performance, and molding of the tire through a simple molding operation without generating any unnecessary scraps. For the pneumatic tire of the present invention, a cylindrical molded article composed of a film of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending an elastomer in a thermoplastic resin is crushed into a sheet-like laminate; and the sheet-like laminate is used as the air permeation preventive layer. In the manufacturing operation, the sheet-like laminate is wrapped around a making drum so that an unvulcanized tire having the sheet-like laminate as an air permeation preventive layer is molded, and the unvulcanized tire is vulcanized.05-06-2010
20130087263CONSTRUCTION COMPRISING TIE LAYER - A layered structure suitable for use in a pneumatic tire as an innerliner is prepared by directly bonding a fluid permeation prevention film and an adhesive tie layer. Prior to the bonding, the fluid permeation prevention layer is treated to remove any residual plasticizers or oils on the surface of the film. The tie layer comprises 100 weight % of at least one halogenated isobutylene containing elastomer and about 1 to about 20 parts per hundred (phr) of at least one tackifier. The fluid permeation prevention film comprises an elastomeric component dispersed in a vulcanized or partially vulcanized state, as a discontinuous phase, in a matrix of the thermoplastic resin component. The two layers of the layered structure may be separately extruded and then adhered to each other or adhered to each other during a calendaring operation wherein the adhesive tie layer composition is coated onto the treated film.04-11-2013
20090205766HEAVY-DUTY PNEUMATIC TIRE - An object of the present invention is to provide a heavy-duty pneumatic tire that is capable of suppressing deterioration by oxidation at a portion of a high heat generation in a bead portion, and that is excellent in sustainability of inner pressure holding performance as well as in durability. The heavy-duty pneumatic tire of the present invention includes a carcass and an inner liner disposed closer to the center of the tire than the carcass. The heavy-duty pneumatic tire is characterized in that one of a thermoplastic resin and a thermoplastic elastomer composition containing a blend of a thermoplastic resin with an elastomer is disposed at a position closer to the center than the carcass in the bead portion in such a manner as to wrap at least a region extending to a front end P08-20-2009
20130056123THERMOPLASTIC ELASTOMER COMPOSITION AND METHOD FOR PRODUCING THE SAME - Disclosed is a method for producing a thermoplastic elastomer composition having a phase structure comprising a continuous phase comprising at least one thermoplastic resin and a disperse phase comprising dynamically crosslinked elastomer particles finely dispersed in the continuous phase, the method being characterized by dispersing in at least one crosslinkable elastomer component furnace carbon black having a BET nitrogen adsorption specific surface area of from 100 to 260 m03-07-2013
20090095394RUBBER COMPOSITION - 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):04-16-2009
20130112330LAMINATED BODY AND PNEUMATIC TYRE USING SAME - A laminate comprising at least one layer of a first thermoplastic resin composition alternately stacked with at least two layers of a second thermoplastic resin composition, so that the outermost layers are the layers of the second thermoplastic resin composition, wherein the first thermoplastic resin composition, comprises at least one selected from the group consisting of ethylene-vinyl alcohol copolymer and modified ethylene-vinyl alcohol copolymers, and the second thermoplastic resin composition has a different composition from the first thermoplastic resin composition, and wherein, in any adjacent pair of the layer of the first thermoplastic resin composition and the layer of the second thermoplastic resin composition, the layer of the first thermoplastic resin composition and the layer of the second thermoplastic resin composition have a specific tensile modulus ratio and a specific thickness ratio.05-09-2013
20130061995METHOD AND APPARATUS FOR MAKING A COMPARTMENTALIZED TIRE SEALANT STRIP - A method for making a compartmentalized sealant strip and barrier assembly 03-14-2013
20110277901Pneumatic Object Having a Gas Tight Layer Containing a Specific SIBS Thermoplastic Elastomer - Inflatable article equipped with an elastomer layer impermeable to inflation gases, said elastomer layer comprising at least, as the predominant elastomer, a thermoplastic SIBS elastomer comprising a polyisobutylene block comprising an amount of units derived from one or more conjugated dienes ranging from 0.5% to 6% by weight relative to the weight of the polyisobutylene block, and, at least one of the ends of the polyisobutylene block, a stirenic block representing at most 16% by weight of the total weight of the block copolymer. Preferably the airtight elastomer layer also comprises, as a plasticizing agent, an extender oil for the SIBS elastomer. The inflatable article of the invention is, in particular, an inner tube or a pneumatic tire for a motor vehicle.11-17-2011
20090050251Air Barrier Composition For Innerliners - According to the invention, a processing aid is used to improve processing in a green (uncured) rubber composition, such as in downstream in-plant processing of an innerliner compound, and maintaining, or more preferably, reducing the air permeability of the cured composition, e.g., innerliner compound. In embodiments, another of the advantages of the present invention is that the processing aid according to the invention can be used in very low levels relative to the other processing aids and oils.02-26-2009
20110284142Tire Capable of Running in Spite of Being Punctured, and Method for Manufacturing it - A tire configured to be mounted on a mounting rim, comprising two beads, each bead comprising an annular reinforcing structure and a seat configured to come into contact with the mounting rim; a crown comprising a tread; two sidewalls, each sidewall extending between a bead and the crown; a carcass reinforcing armature extending from one bead to the other and anchored within each bead to the annular reinforcing structure; and a membrane situated radially on the inside of the carcass reinforcing armature, this membrane comprising: (a) a membrane reinforcing armature anchored in each bead to the annular reinforcing structure, wherein the membrane reinforcing armature comprises a layer of reinforcement elements directed substantially radially, that is to say which make an angle greater than or equal to 65° and less than or equal to 90° with respect to the circumferential direction; and (b) an airtight layer of rubber mix; wherein the membrane is arranged in such a way that part of the membrane together with part of the carcass reinforcing armature delimits a chamber extending transversely and circumferentially, this chamber being situated radially on the inside of the carcass reinforcing armature and, to a large extent, under the crown, the chamber being filled with at least one fluid; wherein, in any radial section, the curved length Lm of the trace of the surface of the chamber delimited by the membrane is greater than the curved length Lc of the trace of the surface of the chamber delimited by the carcass reinforcing armature (Lm>Lc).11-24-2011
20090038729LAMINATE OR THERMOPLASTIC POLYMER COMPOSITION HAVING LOW AIR PERMEABILITY AND PNEUMATIC TIRE USING SAME AS INNER LINER - A laminate (C) of a thermoplastic polymer composition comprising: a thermoplastic resin composition (A) having an permeation coefficient of 10×1002-12-2009
20090165914PNEUMATIC TIRE AND METHOD OF PRODUCTION OF SAME - A pneumatic tire having an air permeation preventive layer formed by adhering a resin film containing thermoplastic resin as a main component thereof to a tire inner wall surface, wherein the resin film is laminated, as a narrow width slit film shape, with an elastomer and the resultant ribbon-shaped laminate is continuously and spirally wound in a tire circumferential direction so that the edges thereof partially overlap to thereby form the air permeation preventive layer, whereby a pneumatic tire having a light weight and superior air permeation preventive property, no splice openings of the air permeation preventive layer at the time of tire processing, and capable of shortening the processing time can be obtained as well as the production method thereof.07-02-2009
20100000646TIRE INNERLINER WITH IMPROVED RESISTANCE TO AIR PERMEABILITY - A tire comprising an innerliner, where the innerliner includes a rubber and boron nitride dispersed within the rubber.01-07-2010
20080264541POLYURETHANEUREA SYSTEM - A polyurethaneurea system that includes in some embodiments Parts A and B reaction components for a polyurethaneurea, wherein an exemplary embodiment provides a Part A that comprises between 55 and 75 wt. % of an oligomeric polyol, between 3 and 7 wt. % of an aromatic diamine chain extender, and between 0.1 and 1.5% of a reactivity catalyst; Part B includes between 1 and 15 wt. % of a short aromatic diisocyanate and between 5 and 35 wt. % of an aromatic diisocyanate prepolymer that is the reaction product of a short aromatic diisocyanate and a diol. The polyurethaneurea system may further comprise an elastomer-surface activator comprising a second short aromatic diisocyanate and a second aromatic diisocyanate prepolymer, wherein at least one of the second diisocyanates may be the same as at least one of the diisocyanates of Part B.10-30-2008
20090288750TIRE WITH AIR BARRIER LAYER - The present invention relates to a pneumatic tire having an air barrier layer, particularly an integral pneumatic tire innerliner, for prevention, or retardation, of air permeation from its inner chamber to the atmosphere through the carcass of the tire. The innerliner is comprised of an annular, cylindrical, hoop of a film having its ends overlapped and heat sealed together. The film is comprised of a continuous thermoplastic polymer phase which contains a dispersion therein of cured rubber domains, particularly cured low unsaturation rubber domains. In one embodiment, one surface of the film contains a thin bonding layer to aid in bonding the film to an unsaturated rubber-containing tire carcass. In one embodiment, the overlapping portion of the ends of the film have a thin rubber layer positioned therebetween.11-26-2009
20100126647PNEUMATIC TIRE - A pneumatic tire using as an air permeation prevention layer a film consisting of thermoplastic resin or thermoplastic elastomer composition obtained by blending thermoplastic resin with elastomer, wherein the film is prevented form being peeled off to prevent entry of a release agent into the interior and the internal view of the tire is improved. An air permeation prevention layer (05-27-2010
20080264542Method and apparatus for protecting innerliner splice of a green tire - A method of creating an air barrier on both sides of an innerliner splice on the inside surface of a green tire when a bladder release lubricant is being applied thereto to prevent contamination of the splice. High pressure air is directed through air nozzles on both sides of the innerliner splice just prior to and during the application of the lubricant. A pressure sensor detects high or low air pressure during the creation of the air barriers to stop the spray of lubricant should either situation be detected.10-30-2008
20100170606PNEUMATIC TIRE - It is the purpose of the present invention to provide a rubber composition improving the uniformity of a butyl rubber gauge and being superior in air permeability resistance (air retaining property), when a tire is molded, by a procedure capable of reducing the fluctuation of the butyl rubber gauge, namely, controlling the property of an unvulcanized rubber, and a tire having the inner liner comprising it.07-08-2010
20090114329PNEUMATIC TIRE HAVING A FLEXIBLE MOLD RELEASABLE PROTECTIVE LAYER - An inorganic powder mold release agent at the surface of an air permeation preventive layer is prevented from falling off, using a thermoplastic resin or thermoplastic elastomer composition.05-07-2009
20100139829TIRE WITH INNERLINER CONTAINING TALC AND EPICHLOROHYDRIN RUBBER - 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: 06-10-2010
20090320983PNEUMATIC TIRE AND PROCESS FOR PRODUCING THE SAME - A pneumatic tire in which, in employing as an air-impermeable layer a film formed of a thermoplastic resin or a thermoplastic elastomer component obtained by blending a thermoplastic resin with an elastomer, separation of the film during tire production is prevented; and a process for producing the same. The pneumatic tire is obtained by disposing a film closer to a tire cavity than a carcass layer, disposing a first rubber layer closer to the tire cavity than the film so as to cover the film, and disposing ends, in the width direction, of the first rubber layer outward of ends, in the width direction, of the film, the film being formed of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending a thermoplastic resin with an elastomer.12-31-2009
20090101264Pneumatic tyre for vehicle, method and apparatus for its manufacture - In a tyre for vehicle wheels, the tread band sidewalls and/or other structural elements of elastomer material have a layered structure which includes at least one first component and at least one second component of a material with different composition from that of the first component. The first and second components have an undulated interface profile, defining elements of mutual mechanical engagement. Also described is a process and an apparatus for manufacturing a tyre.04-23-2009
20080314492Construction Comprising Tie Layer - 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: 12-25-2008
20100154960PNEUMATIC TIRE AND MANUFACTURING METHOD OF THE SAME - Provided are a pneumatic tire and a manufacturing method of the same capable of improving a separation failure at end portions of an inner liner layer made of either a thermoplastic resin or a thermoplastic elastomer composition. The pneumatic tire includes an inner liner layer made of either a thermoplastic resin or a thermoplastic elastomer composition obtained by blending a thermoplastic resin component and an elastomer component. The inner liner layer is provided on an inner side of the tire so as to face a tire cavity. A recessed portion is formed in an internal surface area of the tire where an end portion of the inner liner layer is located.06-24-2010
20100186866PNEUMATIC TIRE - A pneumatic tire comprising an air permeation preventive layer comprising a film of a thermoplastic resin composition containing a polyvinyl alcohol or ethylene vinyl alcohol copolymer, to which a protective film of a rubber composition containing an ethylene propylene rubber (EPM) or ethylene propylene diene rubber (EPDM) is, directly or via an adhesive, placed adjacent thereto, as one layer in at least one side thereof, whereby both a further reduction in the air leakage rate of the pneumatic tire and a good durability can be achieved and furthermore a reduction in the weight of the tire can be achieved.07-29-2010
20090078354Rubber Formulation with Adhesive-Compatible Surface - A method of effecting an improved adhesive bond between a rubber surface and a device adhered thereto is disclosed. In pneumatic tires, monitoring devices are more securely adhered to the innerliner of the tire utilizing a room temperature vulcanizable adhesive wherein curing is facilitated in the presence of moisture. The innerliner formulation is prepared by incorporating a material which has incomplete compatibility with the rubber of the innerliner formulation, and which has hygroscopic properties which thereby tends to attract moisture.03-26-2009
20100018622PNEUMATIC TIRE - A pneumatic tire designed so that when a hook and loop fastener is fitted to the tire internal face of a pneumatic tire furnished with an inner liner layer consisting of a thermoplastic elastomer composition of a blend of thermoplastic resin and elastomer, or a thermoplastic resin, the hook and loop fastener can easily follow the elongation of the inner liner layer and is free from damaging of the inner liner layer. There is disclosed a pneumatic tire furnished on its internal face with an inner liner layer (01-28-2010
20100200139PNEUMATIC TIRE HAVING AIR RETENTION INNERLINER CONTAINING ANCHORED GLASS MICROSPHERES - A pneumatic rubber tire having an integral rubber innerliner containing anchored hollow glass microspheres.08-12-2010
20110056604POLYMER LAMINATE AND PNEUMATIC TIRE USING THE SAME AS INNER LINER - An object of the present invention is to provide a polymer laminate that has a small thickness and is excellent in air permeation resistance and adhesion with an adjacent rubber, and a pneumatic tire using the same as an inner liner. A polymer laminate includes a first layer having a thickness of 0.05 mm to 0.6 mm made of a styrene-isobutylene-styrene triblock copolymer, and a second layer containing at least one of a styrene-isoprene-styrene triblock copolymer and a styrene-isobutylene diblock copolymer, and a second layer have a thickness of 0.01 mm to 0.3 mm.03-10-2011
20090288749PNEUMATIC TIRE HAVING LIGHT SHIELDING LAYER ON SURFACE - A pneumatic tire having, as an air permeation preventive layer on the surface thereof, a layer of a thermoplastic resin or a layer of a thermoplastic elastomer composition comprising a thermoplastic resin, in which an elastomer component is dispersed, arranged and further having, on the surface of the layer of the thermoplastic resin or the layer of the thermoplastic elastomer composition, a light-blocking layer having a light transmittance of less than 10% in the range of a wavelength of 280 to 400 nm, wherein degradation of the air permeation preventive layer by sunlight is prevented using the thermoplastic resin or thermoplastic elastomer composition.11-26-2009
20090250152PNEUMATIC TIRE HAVING AN INNERLINER COMPRISED OF BUTYL RUBBER AND DISPERSION OF ETHYLENE VINYL ALCOHOL POLYMER - The present invention relates to a pneumatic rubber tire having an integral innerliner of a sulfur cured rubber composition. The innerliner rubber composition is comprised of at least one elastomer selected from bromobutyl rubber and chlorobutyl rubber which also contains a dispersion therein of ethylene vinyl alcohol polymer.10-08-2009
20090151841CONSTRUCTION COMPRISING TIE LAYER - This invention 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: 06-18-2009
20110024015FILM, INNER LINER FOR TIRE, AND TIRE USING THE SAME - An object of the present invention is to provide: a film which is applicable to a tire, has excellent gas barrier properties and bending resistance, allows weight of a tire to be reduced with improving internal pressure retainability of the tire at both the brand-new stage and the used stage thereof, and is capable of demonstrating good gas barrier properties without breaking especially in a running condition at a relatively low temperature in winter time or the like; an inner liner for tire, using the film; and a tire provided with the inner liner for tire. The film of the present invention comprises at least a layer composed of resin composition (D) produced by dispersing viscoelastic substance (C) in a resin containing modified ethylene-vinyl alcohol copolymer (B) obtained by subjecting ethylene-vinyl alcohol copolymer (A) to a reaction, wherein 100% modulus at −30° C. of the viscoelastic substance (C) is smaller than 6 MPa. The inner liner for tire, and the tire, of the present invention are an inner liner for tire, using said film, and a tire provided with said inner liner for tire, respectively.02-03-2011
20090065118LOW-PERMEABILITY RUBBER LAMINATE AND PNEUMATIC TIRE USING THE SAME - A low permeability rubber laminate containing (A) at least one pricked low permeability resin layer having, wherein the low permeability resin has an average thickness d of 0.05 μm03-12-2009
20110146870TIRE WITH INNERLINER CONTAINING SLATE POWDER - The present invention is directed to a pneumatic tire comprising a carcass and an innerliner radially inward of and in direct contact with the carcass, the innerliner comprising a rubber composition comprising: 06-23-2011
20090038727Multi-Layered Air Permeation Preventing Layer of pneumatic Tires - The present invention provides a multi layered air permeation preventive layer of pneumatic tires having −50 to −1002-12-2009
20090038728LAMINATE OF THERMOPLASTIC ELASTOMER COMPOSITION/ADHESIVE/DIENE RUBBER COMPOSITION AND PNEUMATIC TIRES MADE USING THE SAME - A laminate comprising a thermoplastic elastomer composition (A) having a thermoplastic resin as a continuous phase and a composition containing an elastomer component as a dispersed phase and a diene-based rubber composition (C), adhered with a tackifier adhesive (B), where a difference of 50% modulus at room temperature is (A)>(C)>(B) and a difference of storage elastic modulus E′ at 0° C. is (A)≧(B)≧(C), whereby the high temperature dynamic adhesiveness of the tackifier adhesive of the laminate comprising the thermoplastic elastomer composition layer/the tackifier adhesive layer/the diene-based rubber composition layer and the low temperature durability of the thermoplastic elastomer composition layer are improved.02-12-2009
20120118465PNEUMATIC TIRE WITH BARRIER LAYER AND METHOD OF MAKING THE SAME - A pneumatic tire and a method of making a tire are provided. The tire includes a tire tread, a tire layer, and a barrier layer. The tire layer is circumferentially disposed inwardly of the tire tread and includes a first end and a second end situated adjacent each other to define a butt joint. The barrier layer includes a first end and a second end, a portion of the first end of the barrier layer overlaps the second end by about 1.5 cm or more to define a lap joint, and where the first end of the barrier layer is received between and extends beyond the butt joint such that the first end of the tire layer is sandwiched between the lap joint.05-17-2012
20110011507LAMINATE AND PNEUMATIC TIRE USING THE LAMINATE - Provided are a laminate having superior adhesion between a thermoplastic resin composition layer and rubber adhesive layer and superior durability in use, and a pneumatic tire comprising the laminate. This laminate comprises a thermoplastic resin composition layer and a rubber composition layer, wherein the thermoplastic resin composition layer comprises at least one selected from the group consisting of an ethylene-vinyl alcohol copolymer having an ethylene unit content of 20 to 50 mol %, an aliphatic polyamide having a molar ratio of methylene group to amide group of less than 5.4, and a meta-xylenediamine-adipic acid polycondensate; and wherein the rubber composition layer comprises 100 parts by weight of rubber component and 30 to 120 parts by weight of a wet-process silica having a BET specific surface area of 100 to 300 m01-20-2011
20080314491Construction Comprising Tie Layer - This disclosure relates to a vulcanizable layered composition comprising at least two layers and at least one tie layer. The first of the two layers comprises a fluid permeation prevention layer and the second comprises at least one high diene rubber. The tie layer comprises, a mixture, in parts by weight relative to 100 weight parts of rubber of: (1) 10 to 70 parts by weight of epoxidized natural rubber; (2) 30 to 90 parts by weight of at least one high diene elastomer; (3) 20 to 90 parts by weight of at least one filler; (4) 1 to 20 parts by weight of at least one tackifier, —and (5) at least 0.2 to 15 parts by weight of curing system for the elastomers and rubbers; The fluid permeation prevention layer comprises: (A) at least one thermoplastic engineering resin component; and (B) at least one elastomer component, wherein (B) is dispersed in a vulcanized or partially vulcanized state, as a discontinuous phase, in a matrix of component (A).12-25-2008
20080314493Elastomer Composition, Method for Producing Same, and Pneumatic Tire Using Same - An elastomer composition, having an excellent flexibility and low temperature durability, a method for producing the same and a pneumatic tire using the same are provided.12-25-2008
20100319829PNEUMATIC TIRE AND PROCESS FOR PRODUCING THE SAME - Provided are: a pneumatic tire capable of retaining a satisfactory uniformity even though the tire includes film layers superposed by winding a film layer in a circumferential direction of the tire multiple times; and a process for producing the same. The present invention is the pneumatic tire including the film layers of the thermoplastic resin or the thermoplastic elastomer composition made by blending the elastomer with the thermoplastic resin, which are superposed by winding the film layer in the circumferential direction of the tire multiple times, the tire wherein a rubber film is interposed between the film layers. The process for producing the pneumatic tire includes: preparing a laminated body in which the rubber layer is stuck to at least one surface of the film layer; interposing the rubber layer between the film layers by winding the laminated body in the circumferential direction of the tire multiple times; forming an uncured tire which includes the film layers and the rubber layers; and curing the tire.12-23-2010
20100319828Tire with Shell and Carrier Structure - A tire comprising an envelope made at least partly of rubber, defining an internal annular volume and having a crown (12-23-2010
20100024941LOW MOISTURE PERMEABILITY LAMINATE CONSTRUCTION - An article having a fluid permeation prevention layer, such as a pneumatic tire or hose. A tire for example includes an outer tread layer, intermediate sidewall and carcass layers and an innermost air permeation prevention layer: (i) the air permeation prevention (APP) layer having an upper and a lower surface, the layer having a polymer composition exhibiting an air permeation coefficient (APC) of about 25×1O′12 cc cm/cm2 sec cmHg (at 30* C) or less and a Young's modulus of about 1 MPa to about 500 MPa, the polymer composition comprising: (A) at least 10 wt % of at least one. thermoplastic resin component having an APC of about 25×1O″12 cc cm/cm2 sec cmHg (at 30° C.) or less and a Young's modulus of more than 500 MPa, which is preferably a polyamide resin or mixture, and (B) at least 10 wt % of at least one elastomer component having an APC of more than about 25×10″12 cc cm/cm2 sec cmHg (at 30° C.) and a Young's modulus of not more than 500 MPa, which elastomer component is preferably a halogen-containing rubber or mixture, the total amount (A)+(B) being not less than about 30 wt %, and the elastomer component is a dispersed vulcanized, discontinuous phase in the thermoplastic resin matrix; and (ii) at least one thermoplastic laminate layer bonded to at least said lower surface of the APP layer, the thermoplastic layer comprising a film-forming, semi-crystalline, substantially hydrophobic carbon chain polymer having a glass transition temperature, Tg, of less than about −200 C.02-04-2010
20090173422MOUNTING STRUCTURE OF ELECTRONIC DEVICE AND PNEUMATIC TIRE - A electronic device is mounted on a circumferential surface of an inner liner by tucking first, second and third edges of a device plate between a first holding plane of a first guide tab and a surface of a holder plate, between a second holding plane of a second guide tab and the surface of the holder plate, and between a third holding plane of a third guide tab and the surface of the holder plate. The electronic device can be stably-mounted over the long term without difficulty and can be removed from the circumferential surface of the inner liner without difficulty.07-09-2009
20120012237Tubeless Tire having a Slitted Inner-Liner, and Process for its Manufacture - Tubeless tire, adapted to be inflated with an inflation gas, comprising: a crown (01-19-2012
20120111469ADHESIVE COMPOSITION AND PNEUMATIC TIRE USING SAME - Provided is an adhesive composition that provides excellent adhesion between a thermoplastic resin or a thermoplastic elastomer in which an elastomer component is dispersed in the thermoplastic resin and a tire by a combination of general-purpose materials, without using any special polymer. The adhesive composition comprises 100 parts by weight of a base polymer and 20 to 50 parts by weight of a resol-type phenolic resin-based resin crosslinking agent, wherein 100 parts by weight of the base polymer comprises 80 to 99 parts by weight of a thermoplastic elastomer and 1 to 20 parts by weight of a halogenated rubber. The resol-type phenolic resin-based resin crosslinking agent is preferably an alkylphenol-formaldehyde resin. Examples of the thermoplastic elastomer can include styrene-butadiene-styrene block copolymers, and examples of the halogenated rubber can include chloroprene rubber and chlorosulfonated polyethylene.05-10-2012
20110094645Innerliners for Off-Road, Farm, Large Truck and Aircraft Tires - Disclosed is a pneumatic tire comprising an innerliner comprising a functionalized poly(isobutylene-co-p-methylstyrene) elastomer, at least one layered filler; and less than 8 phr of at least one processing aid; wherein the innerliner possesses a permeation coefficient of less than 200 mm·cm04-28-2011
20120125507TIRE WITH FOAMED NOISE DAMPER - The present invention is directed to a method for making a tire having a foam noise damper, comprising the steps of: obtaining a tire having an innerliner, the innerliner having a surface facing an interior cavity of the tire; applying a foamable liquid to the surface; and foaming the foamable liquid to form a solid foam noise damper secured to the tire innerliner.05-24-2012
20120160388PNEUMATIC TIRE WITH COMPOSITE INNERLINER - A pneumatic radial ply runflat tire is described. The tire has a carcass structure having at least one radial carcass ply, two bead regions, two sidewalls, each sidewall having an upper sidewall portion that connects to the shoulders and being reinforced by an insert, a belt structure between the tread and the carcass, and an air impermeable inner liner formed of a butyl rubber located radially inward of the carcass structure wherein the air impermeable inner liner extends from a first shoulder region to a second shoulder underneath the crown portion of the tire, and does not extend from the shoulder to the bead portion of the tire.06-28-2012
20100288413RADIAL TIRE FOR HEAVY LOAD - The present invention relates to a radial tire for a heavy load comprising a bead core, a carcass ply layer, an inner liner A layer, a belt and a tread, wherein the following relational equation (I):11-18-2010
20120298273METHOD OF PRODUCING AN IMPERMEABLE RUBBER LAYER - A method of producing impermeable rubber layers, the method including:—a step of preparing a water-based emulsion having at least a cross-linkable polymer base, and a surface-active agent of molecular formula (I) (R11-29-2012
20100230026HEAVY-LOAD TIRE - A heavy-load tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions each with a bead core therein, a carcass comprising a carcass ply of cords including a main portion extending between the bead cores, and a pair of turnup portions each turned up around the bead core from the axially inside to the outside of the tire, and an inner liner made from air-impermeable rubber and disposed on the tire internal cavity surface, wherein each bead portion includes a bead reinforcing layer with an L-shaped cross section, the bead reinforcing layer comprising an axially outer piece portion disposed along the axially outside the turnup portion and a bottom piece portion integral with the outer piece portion and terminating in a sub-core area between a first radial line extending inwards along the radial direction of the tire from an innermost axial point of the bead core, and a second radial line extending inwards along the radial direction of the tire from an outermost axial point of the bead core, the inner liner includes a radially inner portion that terminates radial inside than a lateral reference line passing through the innermost axial point and outermost axial point of the bead core, a rubber thickness ta is in a range of from 2.5 to 5.0 mm ranging from the tire internal cavity surface to the cord of the carcass ply on the lateral reference line, and an inner liner thickness tb is smaller than the rubber thickness ta and is in a range of from 0.5 to 3.0 mm on the lateral reference line.09-16-2010
20120279626TIRE WITH MULTI-LAYERED BARRIER LAYER INNERLINER - The present invention is generally directed to pneumatic tires having a pre-formed multi-layered air barrier layer innerliner.11-08-2012
152511000 Inner tube 12
20100147432LOW-PERMEABLE RUBBER LAMINATE AND PNEUMATIC TIRE USING SAME - A low permeability rubber laminate capable of preventing blisters formed when fabricating a pneumatic tire having a low permeability resin composition (A) layer having a air permeation coefficient, determined according to JIS K7126, of 0.5×1006-17-2010
20090008013Air Bladder for Safety Tire - This invention provides an air bladder for a safety tire capable of making a cylindrical form at an inflated state without adhering inner surfaces thereof to each other in the forming step, and particularly provides an air bladder for the safety tire formed by sticking a sheet-shaped rubber member 01-08-2009
20090000718Air barrier composition - Improved air barrier compositions using alternative processing oils are disclosed that reduce the air permeability of the innerliner compound without affecting other properties such as cure, processing, and other physical properties.01-01-2009
20090165915Tire and Crosslinkable Elastomeric Composition - A tire includes: a carcass structure including at least one carcass ply, of a substantially toroidal shape, having opposite lateral edges associated with respective right-hand and left-hand bead structures, the bead structures including at least one bead core and at least one bead filler; a belt structure applied in a radially external position with respect to the carcass structure; a tread band radially superimposed on the belt structure; a pair of sidewalls applied laterally on opposite sides with respect to the carcass structure; at least one layer including a crosslinked elastomeric material having air barrier properties, wherein the crosslinked elastomeric material is obtained by crosslinking a crosslinkable elastomeric composition including: (a) 10 phr or 100 phr, preferably 20 phr to 60 phr, of at least one butyl rubber; (b) 0 phr to 90 phr, preferably 40 phr to 80 phr, of at least one diene elastomeric polymer; (c) 5 phr to 120 phr, preferably 15 phr to 90 phr, of at least one reinforcing filler; (d) 2 phr to 20 phr, preferably 5 phr to 15 phr, of 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.07-02-2009
20090020204AIR BLADDER FOR SAFETY TIRE AND SAFETY TIRE USING SAME - There is provided an air bladder for a safety tire 01-22-2009
20100175804Pneumatic Article with Gas Tight Layer Including a Thermoplastic Elastomer - Inflatable article equipped with an elastomer layer impermeable to the inflation gases, said elastomer layer comprising at least, as the predominant elastomer, a thermoplastic stirene/isobutylene/stirene (SIBS) elastomer. Preferably the SIBS elastomer comprises between 5% and 50% by weight of stirene, its number-average molecular weight is between 30 000 and 500 000 g/mol, and its T07-15-2010
20110240196Composites Comprising Elastomer, Layered Filler and Tackifier - The invention relates to rubber nanocomposites particularly suitable for innerliners and other tire applications. The uncured nanocomposite comprises an elastomer, tackifier and nanoclay.10-06-2011
20100263778Pneumatic Object Provided with a Gas-Impermeable Layer Based on a Thermoplastic Elastomer and a Platy Filler - Inflatable article equipped with a layer impermeable to the inflation gases, of improved hysteresis and impermeability. The layer comprises an elastomer composition comprising at least, as the sole elastomer or as the predominant elastomer by weight, a thermoplastic stirene elastomer (“TPS”) and a platy filler having a volume content greater than 5%. According to one preferred embodiment, the TPS elastomer is a copolymer with polystirene and polyisobutylene blocks such as SIBS (stirene/isobutylene/stirene) and the composition also comprises an extender oil for the elastomer, in particular a PIB (polyisobutylene) oil. The platy filler is especially chosen from graphites and phyllosilicates such as micas, clays or talcs. The inflatable article can be an inner tube or a pneumatic tire for a motor vehicle.10-21-2010
20110132513Inner Tube and Method of Producing Such a Tube - An inner tube having a closed polymeric envelope with a primary surface comprising means allowing compression of the polymeric envelope when inflated under the normal conditions of use of the assembled unit. A radially outer part has a meridian curvature such that the ratio of the average radius of its meridian curvature to the radius of a circle of perimeter equal to the meridian perimeter of the primary surface of the polymeric envelope is greater than 2.5 and preferably greater than 10, when the inner tube is inflated to a pressure of 2000 pascals and the ratio of the average radius of the meridian curvature of the side parts to the radius of a circle of perimeter equal to the meridian perimeter of the primary surface of the polymeric envelope is greater than 2.5 and preferably greater than 10, when the inner tube is inflated to a pressure of 2000 pascals.06-09-2011
20100294411Multilayered Gas-Tight and Anti-Puncture Laminate Object Including Same - A puncture-resistant multilayer laminate that is impermeable to inflation gases, comprising: a gastight first elastomer layer comprising a polystirene/polyisobutylene block copolymer thermoplastic elastomer, and optionally an extender oil with a content within a range of 0 to less than 100 phr; and a self-sealing second elastomer layer comprising a thermoplastic stirene elastomer, identical to or different from the first elastomer, and an extender oil with a content greater than 200 phr.11-25-2010
20080295940INNER TUBE OF A TIRE - The present invention is an environment-friendly inner tube The inner tube is formed by a constituent including a Thermoplastic Elastomer TPE that efficiently improves toughness and oxidation resistance. When the inner tube is penetrated by a sharp article, its gas retaining property postposes air leakage and stiffens the inner tube, thus prolonging service life of the tire. The inner tube is fabricated by an injection molding machine with improved productivity. Thermoplastic Elastomer will not produce toxic substances, and overflow and wastes generated from manufacturing process can be recycled, thus avoiding waste of resources, saving the materials and lowering manufacturing costs with better industrial efficiency.12-04-2008
152512000 With reinforcement element 1
20110041975TIRE TUBE - An object of the invention is to provide a tire tube which has excellent air impermeability and such excellent durability that the occurrence of cracks in the tube main body is prevented in a contact surface between the tube main body and an inner circumferential surface of the tire. The tire tube of the invention includes a tube main body having a multilayer structure in which at least one rubber layer and at least one thermoplastic resin layer made of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending an elastomer in a thermoplastic resin are laminated together. In at least a region where the tube main body is in contact with the inner circumferential surface of the tire tread part, the rubber layer is placed as the outermost layer of the multilayer structure, and the thermoplastic resin layer is placed inside the outermost layer.02-24-2011

Patent applications in class Tire characterized by its air impervious liner or inner tube

Patent applications in all subclasses Tire characterized by its air impervious liner or inner tube