Entries |
Document | Title | Date |
20080216933 | Rubber 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 |
20080264541 | POLYURETHANEUREA 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 |
20080264542 | Method 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 |
20080314491 | Construction 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 |
20080314492 | Construction 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 |
20080314493 | Elastomer 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 |
20090038727 | Multi-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 −10 | 02-12-2009 |
20090038728 | LAMINATE 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 |
20090038729 | LAMINATE 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 10×10 | 02-12-2009 |
20090050251 | Air 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 |
20090065118 | LOW-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 | |
20090078354 | Rubber 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 |
20090095394 | RUBBER 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 |
20090101264 | Pneumatic 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 |
20090114328 | INNERLINER 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 |
20090114329 | PNEUMATIC 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 |
20090151841 | CONSTRUCTION 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 |
20090159170 | TIRE 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 |
20090165914 | PNEUMATIC 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 |
20090173422 | MOUNTING 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 |
20090205766 | HEAVY-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 P | 08-20-2009 |
20090250152 | PNEUMATIC 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 |
20090288749 | PNEUMATIC 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 |
20090288750 | TIRE 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 |
20090320983 | PNEUMATIC 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 |
20100000646 | TIRE 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 |
20100018622 | PNEUMATIC 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 |
20100024941 | LOW 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 |
20100071823 | METHOD 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 |
20100078110 | PNEUMATIC 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 |
20100096058 | TIRE 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 |
20100108221 | PNEUMATIC 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 |
20100108222 | TIRE 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 |
20100108223 | ASSEMBLY 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 V | 05-06-2010 |
20100108224 | METHOD 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 |
20100116399 | Pneumatic 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 |
20100126647 | PNEUMATIC 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 |
20100139829 | TIRE 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 |
20100147431 | POORLY 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 |
20100154960 | PNEUMATIC 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 |
20100170606 | PNEUMATIC 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 |
20100186866 | PNEUMATIC 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 |
20100200139 | PNEUMATIC 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 |
20100230026 | HEAVY-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 |
20100288413 | RADIAL 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 |
20100319828 | Tire 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 |
20100319829 | PNEUMATIC 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 |
20110011507 | LAMINATE 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 m | 01-20-2011 |
20110024015 | FILM, 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 |
20110056604 | POLYMER 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 |
20110094645 | Innerliners 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·cm | 04-28-2011 |
20110146870 | TIRE 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 |
20110277901 | Pneumatic 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 |
20110284142 | Tire 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 |
20120012237 | Tubeless 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 |
20120111469 | ADHESIVE 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 |
20120118465 | PNEUMATIC 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 |
20120125507 | TIRE 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 |
20120160388 | PNEUMATIC 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 |
20120279626 | TIRE 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 |
20120298273 | METHOD 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) (R | 11-29-2012 |
20130025760 | RADIAL 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 |
20130056123 | THERMOPLASTIC 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 m | 03-07-2013 |
20130061995 | METHOD AND APPARATUS FOR MAKING A COMPARTMENTALIZED TIRE SEALANT STRIP - A method for making a compartmentalized sealant strip and barrier assembly | 03-14-2013 |
20130087263 | CONSTRUCTION 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 |
20130112330 | LAMINATED 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 |
20130186539 | MULTILAYERED STRUCTURE, INNER LINER HAVING THE SAME, AND PNEUMATIC TIRE - A multilayered structure having a layer A constituted with a resin composition containing a gas barrier resin, and a layer B being adjacent to the layer A and being constituted with a resin composition containing an elastomer. The total number of the layer A and the layer B is at least 7. The average thickness of the layer A in terms of a single layer is no less than 0.001 μm and no greater than 10 μm, and the average thickness of the layer B in terms of a single layer is no less than 0.001 μm and no greater than 40 μm. The multilayered structure is formed by irradiating with an active energy ray. Furthermore, an inner liner having the multilayered structure, and a pneumatic tire provided with the inner liner are provided. | 07-25-2013 |
20130186540 | BARRIER LAYER FOR INFLATABLE ARTICLES - A barrier layer for impeding the flow of inflation gas through an inflatable article, the barrier layer constructed of a material that is based upon a cross-linkable rubber composition, the cross-linkable rubber composition comprising, per 100 parts by weight of rubber (pbr) at least 50 phr of a primary elastomer selected from at least one of a halogenated butyl rubber or a polymeric halogenated rubber comprising C | 07-25-2013 |
20130192735 | FILM FOR A TIRE INNER LINER AND PREPARATION METHOD THEREFOR - Disclosed is a film for a tire inner liner including a base film layer having an absolute weight-average molecular weight of 50,000 to 1,000,000, and an adhesive layer, and a method for manufacturing the film for a tire inner liner. The film for a tire inner liner may exhibit excellent gas barrier properties while having a thin thickness and lighter weight, and thus improves fuel efficiency, allows easier construction during its preparation, has excellent mechanical properties including high durability and fatigue resistance, and provides excellent adhesive strength to a tire carcass layer. | 08-01-2013 |
20130192736 | FILM FOR A TIRE INNER LINER AND PREPARATION METHOD THEREFOR - The present invention relates to a film for a tire inner liner including: a base film layer including polyamide-based resin and a copolymer including a polyamide-based segment and a polyether-based segment; and an adhesive layer including a resorcinol-formalin-latex (RFL)-based adhesive, wherein there is little difference between properties in an MD (machine direction) and a TD (transverse direction), and a method for preparing a film for a tire inner liner, including melting the polyamide-based resin and the copolymer at 230 to 300° C., extruding the molten substance under specific die gap conditions to form a base film, and forming an adhesive layer including a resorcinol-formalin-latex (RFL)-based adhesive on the base film. | 08-01-2013 |
20130199686 | FILM FOR A TIRE INNER LINER AND PREPARATION METHOD THEREFOR - The present invention relates to a film for a tire inner liner, particularly to a film for a tire inner liner including: a base film including a copolymer or a mixture of polyamide-based resin and a polyether-based resin; and an adhesive layer including a resorcinol-formalin-latex (RFL)-based adhesive, wherein the base film has a tensile recovery rate of 30% to 80%. The film for a tire inner liner of the present invention may exhibit an excellent gas barrier property with a thin thickness, and thus enables light weight of a tire and improvement in automobile mileage, and enables easier forming during a tire manufacturing process. | 08-08-2013 |
20130199687 | PNEUMATIC TIRE - A pneumatic tire includes an inner liner disposed inwardly in the tire relative to a carcass ply bridged between a pair of bead portions, the inner liner being formed of a first layer disposed inwardly in the tire, and a second layer disposed in contact with a rubber layer of the carcass ply, the first layer being a thermoplastic elastomer composition mainly containing a styrene-isobutylene-styrene block copolymer, the second layer being a styrene-based thermoplastic elastomer composition, (a) at least one of the thermoplastic elastomer compositions of the first and second layers containing a tackifier by 0.1 part by mass to 100 parts by mass relative to 100 parts by mass of a thermoplastic elastomer component, or (b) the second layer containing the styrene-isobutylene-styrene block copolymer by 10 mass % to 80 mass % relative to a thermoplastic elastomer component thereof. | 08-08-2013 |
20130206303 | TIRE FOR TRUCK OR BUS - A truck/bus tire has an internal surface covered with an air-seal layer that has an end in a region within 120 mm as measured from a toe tip of a bead portion along a bead base line and is configured of a stack of layers of polymers including a first layer of an elastomer composition containing a SIBS and having a thickness of 0.05-0.6 mm and a second layer of an elastomer composition containing at least one of a SIS and a SIB, having a thickness of 0.01-0.3 mm, and positioned adjacent to a carcass ply. The first and second layers have the elastomer compositions with a dynamic modulus of elasticity (E | 08-15-2013 |
20130269851 | TIRE 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. | 10-17-2013 |
20130269852 | PNEUMATIC TIRE - A pneumatic tire which uses, as an inner liner layer, a laminated sheet obtained by laminating an air permeation preventing layer, made of any one of a thermoplastic resin and a thermoplastic elastomer composition containing a blend of the thermoplastic resin and an elastomer, and a tie rubber layer, and which has high durability to prevent development of a crack in the tie rubber layer that occurs around a splice portion of the laminated sheet after the tire starts to be used. In the pneumatic tire, a sagged portion is formed by a concavo-convex structure in the air permeation preventing layer at least between points P and Q in a shape that a length La of a straight line connecting points P and Q and a length Lb of the air permeation preventing layer actually passing through points P and Q satisfy a relationship of (1.03×La)≦Lb≦(1.5×La). | 10-17-2013 |
20140020807 | RADIAL 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): | 01-23-2014 |
20140034205 | RUN-FLAT TIRE - A run-flat tire with an aspect ratio of 50% to 60%, which comprises a carcass consisting of a single ply of cords extending between bead cores through a tread portion and sidewall portions, a pair of sidewall reinforcing layers each with a crescent cross-sectional shape and disposed axially inwardly of the carcass in each sidewall portion, the sidewall reinforcing layers made of rubber having a complex elastic modulus of from 6 to 12 MPa, and a pair of bead apex elements which extending radially outwardly of the tire from bead cores, each bead apex element having a height of from 0.30 to 0.48 times a tire section height from a bead base-line, wherein the tire has certain relations with respect to thicknesses of sidewall reinforcing layers and sidewall rubber elements. | 02-06-2014 |
20140041780 | PNEUMATIC TIRE - A pneumatic tire includes: an air permeation preventive layer disposed in the inner surface of the tire; a belt layer buried in a tread part; and a cord layer formed by arranging a plurality of cords. The cord layer is disposed between the air permeation preventive layer and the belt layer, and extends to a bead part side further from a tire maximum width position. At least a part of the cord layer is located close to the outer surface of the tire, at a position closer to the bead part side than the tire maximum width position, so that the distance between the cords and the outer surface of the tire is not more than 2 mm. | 02-13-2014 |
20140041781 | THERMOPLASTIC ELASTOMER COMPOSITION - In order to improve fatigue durability of a thermoplastic elastomer composition composed of a matrix phase of a thermoplastic resin and dispersed phases of a rubber, the thermoplastic elastomer composition comprises (A) 100 parts by weight of a halogenated poly(isoolefin-co-p-alkylstyrene) rubber, (B) 40 to 120 parts by weight of a polyamide resin, and (C) 0.5 to 10 parts by weight of an amine having at least one hydroxyl group. The amine (C) having at least one hydroxyl group is preferably a compound represented by formula (1): | 02-13-2014 |
20140048192 | PNEUMATIC TIRE - Provided is a pneumatic tire including an inner liner on a tire inner side of a carcass ply laid between a pair of bead parts, the inner liner having a first layer made of a first polymer composition, the first polymer composition containing not less than 0.5 parts by mass and not more than 70 parts by mass of at least one selected from the group consisting of liquid polyisoprene, a maleic anhydride adduct of liquid polyisoprene, and a maleic acid monomethyl ester adduct of liquid polyisoprene, relative to 100 parts by mass of a styrene-isobutylene-styrene triblock copolymer. | 02-20-2014 |
20140048193 | RUNFLAT TIRE - A runflat tire includes a tire body, a carcass extending from a tread portion through sidewall portions of the tire body to bead cores in bead portions of the tire body, and sidewall-reinforcing rubber layers having cross-sectional crescent shapes and positioned on inner sides of the carcass along the sidewall portions, respectively. The tire body has height Ha in range of 8˜17 mm where the height Ha is measured from a rim line of the tire body to inner edge of an innermost dimple/fin row of the tire body in radial direction of the tire body, the innermost row is formed in dimple/fin forming region including one or more dimple/fin rows having dimple/fin portions arrayed in circumferential direction of the tire body, and the dimple/fin forming region is formed on external surface of a sidewall portion on outer side of the rim line in the radial direction. | 02-20-2014 |
20140060718 | METHOD AND APPARATUS FOR MAKING A COMPARTMENTALIZED TIRE SEALANT STRIP - A method for making a compartmentalized sealant strip and barrier assembly | 03-06-2014 |
20140060719 | PNEUMATIC TIRE - There is provided a pneumatic tire including an inner liner provided therein to improve air permeability resistance, flection fatigue resistance, and cracking resistance. In the pneumatic tire including the inner liner provided therein, the inner liner is formed of at least one polymer sheet containing a styrene-isobutylene-styrene triblock copolymer, and an average thickness Gs of a buttress region Rs is smaller than an average thickness Gb of a bead region Rb, the buttress region Rs extending from a tire maximum width position to a corresponding position Lu of a belt layer end, the bead region Rb extending from the tire maximum width position to a bead toe. | 03-06-2014 |
20140076474 | MULTILAYER STRUCTURE, INNER LINER FOR PNEUMATIC TIRE, AND PNEUMATIC TIRE - To provide a multilayer structure having high gas bather property and crack resistance as well as excellent fatigue resistance, an inner liner for a pneumatic tire using the multilayer structure, and a pneumatic tire comprising the inner liner. According to the present invention, the multilayer structure includes a barrier layer | 03-20-2014 |
20140096882 | MULTILAYER STRUCTURE, INNER LINER FOR PNEUMATIC TIRE, AND PNEUMATIC TIRE - To provide a multilayer structure that may adhere to rubber material without the necessity of providing an adhesive layer, an inner liner and a pneumatic tire using the multilayer structure. According to the present invention, a multilayer structure | 04-10-2014 |
20140110031 | RUBBER COMPOSITION FOR INNER-LINER JOINT STRIP, AND PNEUMATIC TIRE - A rubber composition for an inner-liner joint strip is capable of improving green strength and adhesion, while maintaining good durability (oxidative degradation resistance, crack growth resistance) and good air retention properties, which are exhibited by a pneumatic tire formed from the composition. The rubber composition for an inner-liner joint strip, includes: a butyl rubber; silica and/or carbon black; and an alkylphenol-sulfur chloride condensate represented by formula (1) below, wherein a butyl rubber content is 60 to 100 mass % based on 100 mass % of the rubber component of the rubber composition, a total combined amount of the silica and the carbon black is 21 to 70 parts by mass per 100 parts by mass of the rubber component, and an amount of the alkylphenol-sulfur chloride condensate is 0.1 to 5 parts by mass per 100 parts by mass of the rubber component. | 04-24-2014 |
20140110032 | LAMINATE, TIRE, AND METHOD FOR PRODUCING TIRE - The laminate according to the present invention includes a thermoplastic resin film-containing layer and a rubber layer, in which the rubber layer contains a modified diene polymer, and the rubber layer has a dynamic storage modulus E′ at −20° C. of 1.0×10 | 04-24-2014 |
20140116594 | INNER LINER RUBBER COMPOSITION AND PNEUMATIC TIRE - The invention provides an inner liner rubber composition that enables improvements in handling stability, fuel economy, elongation at break, sheet processability, air barrier properties, and compounding cost in a balanced manner; and a pneumatic tire including an inner liner formed from the rubber composition. The rubber composition includes: a reclaimed butyl rubber; a halogenated butyl rubber other than the reclaimed butyl rubber; at least one semi-reinforcing filler selected from the group consisting of finely ground bituminous coal, talc, mica, and hard clay; and carbon black having a specific N | 05-01-2014 |
20140116595 | PNEUMATIC TIRE - A pneumatic tire uses, as an inner liner layer, a laminated sheet obtained by laminating a tie rubber layer and an air permeation preventing layer made of any one of a thermoplastic resin and a thermoplastic elastomer composition containing a blend of the thermoplastic resin and an elastomer, and has excellent durability making it possible to prevent the tie rubber layer from being cracked around a splice portion of the laminated sheet after the tire starts to be used. The pneumatic tire also can include, in addition to the laminated sheet, a perforated portion penetrating the air permeation preventing layer that is formed within a range of 25 mm, on at least either side in a tire circumferential direction, from a cavity-side end A of a splice portion of the air permeation preventing layer. | 05-01-2014 |
20140124114 | INNER LINER FOR PNEUMATIC TIRE, METHOD FOR PRODUCING THE SAME, AND PNEUMATIC TIRE - Provided is an inner liner for a pneumatic tire including no less than 8 resin-layers, the resin-layer having a layer A constituted with a resin composition containing a resin having gas barrier properties, and a layer B that is adjacent to the layer A and is constituted with a resin composition containing an elastomer, an extensional viscosity η | 05-08-2014 |
20140124115 | PNEUMATIC TIRE - A pneumatic tire includes: an inner liner having a thermoplastic resin film, a carcass, and an adhesive layer disposed between the inner liner and the carcass, in which the dynamic storage modulus E's at −20° C. of the thermoplastic resin film, the adhesive layer, and the carcass are defined as E | 05-08-2014 |
20140138005 | PNEUMATIC TIRE - The inner liner is composed of a polymer layer stack including a first layer containing an SIBS and a second layer containing at least one of an SIS and an SIB. At least one of the first layer and the second layer is a polymer composition containing one of a C4 polymer obtained by polymerizing a monomer unit having 4 carbon atoms, a layered clay mineral with an organic compound intercalated therein and at least one kind of rubber component selected from the group consisting of a natural rubber, an isoprene rubber and a butyl rubber. The second layer is arranged to come into contact with a rubber layer of the carcass ply. The inner liner has a thickness Ge at a shoulder position Pe exceeding 100% and being less than or equal to 500% of a thickness Gc at a crown central position Pc. | 05-22-2014 |
20140150947 | Dynamically Vulcanized Thermoplastic Elastomer Laminates - Disclosed herein is a process to produce a laminate comprises coating at least an outer surface of a dynamically vulcanized alloy film with an adhesive composition to produce the laminate, wherein the adhesive layer has a thickness of less than or equal to about 5 microns, wherein the dynamically vulcanized alloy film comprises a thermoplastic elastomer composition containing a thermoplastic resin as a continuous phase, and a rubber composition dispersed therein, as a dispersed phase. A laminate and a pneumatic tire comprising the laminate are also disclosed. | 06-05-2014 |
20140158269 | RUBBER COMPOSITION AND PNEUMATIC TIRE USING THE RUBBER COMPOSITION - The present invention provides a rubber composition exhibiting good workability and suitable for use in an inner liner of a tire. Specifically, the present invention provides a rubber composition, comprising: a rubber component; an inorganic filler having an aspect ratio of 2 to 200; and optionally at least one of carbon black and a metal salt of aliphatic acid, wherein contents of the inorganic filler, the carbon black and the metal salt of aliphatic acid satisfy following formula (1): | 06-12-2014 |
20140166176 | Contoured Tire Innerliners and Methods of Making Thereof - This disclosure is directed to a tire innerliner comprising a dynamically vulcanized alloy of an elastomer and an engineering resin; wherein the innerliner is contoured. The disclosure further relates to methods of making such innerliners and tires made from such innerliners. | 06-19-2014 |
20140230986 | PNEUMATIC TIRE - [Object] To provide a pneumatic tire | 08-21-2014 |
20140238570 | AIR PERMEATION RESISTANT FILM AND PNEUMATIC TIRE - Provided is an air permeation resistant film in which flexibility can be imparted to the film without remarkably increasing the proportion of a rubber constituting a dispersed phase. An air permeation resistant film comprising (A) a thermoplastic polyester elastomer which comprises a block copolymer containing a polyester as a hard segment and has a melting point of from 180 to 230° C., and (B) a rubber, in a mass ratio (A)/(B) of from 90/10 to 40/60, wherein the component (A) and the component (B) are melt-kneaded to perform dynamic crosslink, thereby forming a continuous phase composed of the component (A) and a dispersed phase composed of the component (B), and the film has an air permeation coefficient at 80° C. of 5×10 | 08-28-2014 |
20140246136 | PNEUMATIC TIRE - The present invention is a pneumatic tire comprising an inner liner disposed on the inner side of the tire. The inner liner is composed of a sheet made of an elastomer composition containing a styrene-isobutylene-styrene triblock copolymer by more than or equal to 7 percent by mass and less than or equal to 93 percent by mass and an isobutylene-based modified copolymer containing a β-pinene component by more than or equal to 7 percent by mass and less than or equal to 93 percent by mass. In the inner liner, a ratio Gs/Gb between an average thickness Gb in a bead region Rb extending from a tire largest width position to a bead toe and an average thickness Gs in a buttress region Rs extending from the tire largest width position to a corresponding position Lu at a belt layer end is 0.30 to 0.75. | 09-04-2014 |
20140261944 | ENCASING FOR RELEASABLY CONTAINING A DEVICE AND TIRE CONTAINING SUCH ENCASING OR ENCASED DEVICE - The present invention relates to an encasing for releasably containing a device and tire containing such encasing or encased device. | 09-18-2014 |
20140311644 | ADHESIVE 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. | 10-23-2014 |
20150007921 | TIRE - A tire containing at least a circular tire frame body that is formed from a resin material and has a layered structure, wherein the tire frame body includes at least one gas retaining layer. | 01-08-2015 |
20150034227 | LOW 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 25×10 | 02-05-2015 |
20150053324 | TIRE HAVING LAMINATED INNERLINER WITH REINFORCED SPLICE - The present invention relates to pneumatic tires having a laminated innerliner with reinforced splice. The laminated innerliner is a pre-formed laminate comprised of an innerliner film which contains an RFL adhesive coating on both sides for which the innerliner film is cohesively bonded through the RFL adhesive to an uncured tire rubber carcass ply. The uncured splice is comprised of overlapping end portions of the uncured laminated innerliner cohesively bonded together through the RFL adhesive which provides building tack. The uncured splice is reinforced by a an uncured rubber strip cohesively bonded to the laminate by the building tack-providing RFL adhesive for which the strip abridges, the overlapping end portions of the splice, or is sandwiched between the overlapped end portions of the splice, to form a cohesively bonded composite. The assembly, or composite, thereof is cured to adhesively bond the splice and rubber strip together. | 02-26-2015 |
20150075692 | PNEUMATIC TIRE - A pneumatic tire includes an inner liner and a carcass ply provided adjacent to the inner liner and having a cord embedded in a rubber layer. The inner liner is composed of a polymer layer stack including a first layer of a polymer composition containing SIBS and a rubber component having a thickness of 0.05 mm to 0.6 mm, and a second layer of a polymer composition containing at least either one of SIS and SIB as well as a rubber component having a thickness of 0.01 mm to 0.3 mm. The second layer is arranged so as to be in contact with the rubber layer of the carcass ply. A distance L from a plane passing through the center of cross section of the cord to the second layer is more than or equal to 0 and less than or equal to (1+D/2) mm where D denotes the diameter of the cord. | 03-19-2015 |
20150101726 | Tire 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. | 04-16-2015 |
20150290974 | PNEUMATIC TIRE - A pneumatic tire including an inner liner including a first layer including a first polymer composition having a polymer component containing 5% to 70% by mass of an SIBS and 30% to 95% by mass of a rubber component, and a second layer including a second polymer composition having a polymer component containing 10% to 85% by mass of at least any of an SIS and an SIB and 10% to 90% by mass of a rubber component, the first layer being placed inwardly in a tire radius direction, and the inner liner having an average thickness Gs in a buttress region Rs that is thinner than an average thickness Gb in a bead region Rb. | 10-15-2015 |
20150290975 | PNEUMATIC TIRE WITH AN INNER LINER BONDED BY A FIBRE ASSEMBLY - A pneumatic tire comprises an outer rubber tread, a carcass reinforcement, a gastight layer positioned internally relative to the carcass reinforcement and an adhesion layer adjacent to the gastight layer and positioned between the carcass reinforcement and the gastight layer. The adhesion layer consists of a deformable fibre assembly. | 10-15-2015 |
20150306914 | PNEUMATIC TIRE WITH SEALANT LAYER - A pneumatic tire includes 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, a tread radially outward from the reinforcing ply structure, a belt reinforcing structure located radially outward from the reinforcing ply structure and radially inward from the tread, and an innerliner structure extending along an inner surface of the reinforcing ply from a position adjacent one bead portion to a position adjacent the other bead portion. The innerliner structure includes multiple alternating layers of rubber compound and sealant. | 10-29-2015 |
20150343844 | Pneumatic Tire - A pneumatic tire includes an overlap splice portion formed by laminating a sheet obtained from a thermoplastic resin or a thermoplastic resin composition of a thermoplastic resin blended with an elastomer above and below an interposed rubber layer that undergoes vulcanizing adhesion with the thermoplastic resin or the thermoplastic resin composition. The sheet obtained from the thermoplastic resin or the thermoplastic resin composition of a thermoplastic resin blended with an elastomer that is employed has a plurality of notches having a notch width greater than 1.0 mm provided in a leading edge portion or a vicinity of the leading edge portion of at least one side of the sheet. | 12-03-2015 |
20150360514 | TIRE - The present invention provides a tire being excellent in air barrier property and crack resistance at low temperature, without relying on phosphorus resource. The tire has an inner liner composed of a rubber composition comprising 1 to 30 parts by mass of an aliphatic dibasic acid ester and 8 to 30 parts by mass of a resin with a softening point of 60° C. or higher, per 100 parts by mass of a rubber component including at least one selected from the group consisting of butyl rubber, halogenated butyl rubber, and isoprene-based rubber, wherein the rubber composition has a brittle temperature of −35° C. or lower. | 12-17-2015 |
20150376378 | RUBBER COMPOSITION, INNER LINER MATERIAL, AND PNEUMATIC TIRE - Provided is a rubber composition having superior gas-barrier properties. More specifically, the rubber composition contains a layered compound and a modified butyl-based rubber having a functional group that interacts with the layered compound. | 12-31-2015 |
20160016432 | PNEUMATIC TIRE - A pneumatic tire having an air impermeable layer. A film formed of a thermoplastic resin or thermoplastic elastomer composition comprising a blend of a thermoplastic resin and an elastomer is used for the air impermeable layer. Separation of the film is prevented and an inner appearance of the tire is improved. | 01-21-2016 |
20160052343 | TIRE WITH MULTILAYER INNERLINER - The present invention is directed to a pneumatic tire comprising a carcass and an innerliner in direct contact with the carcass, the innerliner comprising:
| 02-25-2016 |
20160052347 | PNEUMATIC TIRE AND METHOD OF MANUFACTURING THE SAME - Provided is a pneumatic tire having the structure where a carcass ply is wound around bead cores from the outside in the tire width direction to the inside in the tire width direction, and both end portions of an inner liner extend between beads and the carcass ply. A lightweight and highly rigid tire can be acquired. The tire can also enhance steering stability performance thereof. The pneumatic tire includes: a pair of left and right beads including bead cores | 02-25-2016 |
20160082786 | PNEUMATIC TIRE - A pneumatic tire includes a carcass ply wound up from an inner side to an outer side around bead cores, chafers wound up from an outer side to an inner side around the bead cores, and an inner liner rubber which is arranged in an inner side of the carcass ply, wherein a squeegee rubber having a higher modulus than the inner liner rubber is provided closer to the inner liner rubber side than the chafers between the carcass ply and the inner liner rubber, and the squeegee rubber is arranged so as to cover inside wound-up ends of the chafers, and is provided with a thick portion which is thicker than the inner liner rubber, and thin portions which are arranged respectively in an inner side and an outer side in the tire diametrical direction of the thick portion and are thinner than the inner liner rubber. | 03-24-2016 |
20160101650 | RUBBER COMPOSITION AND TIRE USING SAME - Provided is a rubber composition containing a high layered or sheet clay mineral content, wherein the dispersion of the stratified or tabular clay minerals is improved, thus reducing air permeability and improving flex resistance. Also provided is a tire using said rubber composition. An example of the aforementioned rubber composition is a rubber composition containing a rubber component (A), a layered or sheet clay mineral (B), and a glycerin fatty acid ester composition (C). | 04-14-2016 |
20160107484 | PNEUMATIC TIRE AND PROCESS FOR PRODUCING THE SAME - A pneumatic tire includes film layers of thermoplastic resin or thermoplastic elastomer composition made by blending an elastomer with the thermoplastic resin, which are superposed by winding the film layer in the circumferential direction of the tire multiple times, a thickness of the film layer is in a range of 0.02 mm to 0.2 mm and a thickness of the rubber layer is in a range of 0.1 mm to 1.2 mm, and the tire wherein a rubber film is interposed between the film layers. The pneumatic tire is produced by 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. | 04-21-2016 |
20160107490 | TIRE HAVING EMBEDDED ELECTRONIC DEVICE AFFIXED WITH ADHESIVE - A tire includes a circumferential tread, a pair of sidewalls, and a pair of bead portions. Each bead portion includes a bead and a bead filler. The tire further includes at least one body ply extending from bead portion to bead portion. The body ply includes a pair of turn up portions radially outside of a respective bead portion. An electronic device is embedded in the tire. The electronic device is encapsulated in a curable adhesive including at least one of natural rubber, styrene butadiene rubber, and butadiene rubber. | 04-21-2016 |
20160114627 | POLYMER FILM - This disclosure relates to a polymer film including: a base film including polyamide-based resin including two or more different kinds of repeat units; and a copolymer including polyamide-based segments and polyether-based segments. | 04-28-2016 |
20160121654 | LAMINATE, INNER LINER MATERIAL AND PNEUMATIC TIRE - With respect to a laminate of a film formed of a thermoplastic resin or thermoplastic elastomer composition and a layer formed of a rubber composition in which an epoxidized natural rubber is blended, the adhesion between the film and the layer of the rubber composition is improved without using a large amount of the epoxidized natural rubber. A laminate of a film formed of a thermoplastic resin or thermoplastic elastomer composition and a layer formed of a rubber composition, said laminate being characterized in that: 5-60% by mass of a rubber component contained in the rubber composition is composed of an epoxidized natural rubber and 20-50% by mass of the rubber component is composed of a butadiene rubber; and the rubber composition contains an unsubstituted or substituted aromatic carboxylic acid having a pKa of 1.5-4.0 in an amount of 0.5-5 parts by mass per 100 parts by mass of the rubber component. | 05-05-2016 |
20160121655 | Pneumatic Tire - The present technology provides a pneumatic tire having an inner liner comprising a film, which comprises thermoplastic resin or the thermoplastic resin composition of a thermoplastic resin blended with an elastomer, wherein a portion of the inner liner positioned in a region between bead filler tops at left and right sides, having a surface area less than 40% of a total surface area of the region is formed having a thickness of the inner liner thinner than a thickness of the other portion in the region. | 05-05-2016 |
20160152075 | LAMINATE, INNER LINER MATERIAL AND PNEUMATIC TIRE | 06-02-2016 |
20160167433 | TIRE WITH SPLICED FILM INNERLINER | 06-16-2016 |
20160176232 | TIRE WITH THERMOPLASTIC INNERLINER | 06-23-2016 |
20160176241 | Pneumatic Tire for Passenger Vehicle | 06-23-2016 |
20160185156 | LAMINATE, INNER LINER FOR TIRE, AND PNEUMATIC TIRE - Provided is a laminate of a film of a thermoplastic resin composition and a layer of a rubber composition, wherein the laminate is characterized in that the rubber composition includes (a) a rubber component, (b) 0.5-20 mass parts, per 100 mass parts of the rubber component, of a condensation product of formaldehyde and a compound represented formula (1) | 06-30-2016 |