| Sumitomo Rubber Industries, Ltd. Patent applications |
| Patent application number | Title | Published |
| 20120095153 | POLAR GROUP-CONTAINING COPOLYMER, RUBBER COMPOSITION AND STUDLESS TIRE - The present invention provides a polar group-containing copolymer which can provide a rubber composition and a winter tire achieving the abrasion resistance, performance on ice, and handling stability on dry roads in a balanced manner. The present invention relates to a polar group-containing copolymer obtainable by copolymerizing a conjugated diene compound and a polar group-containing vinyl compound, wherein the polar group-containing vinyl compound is a compound that has a polymerizable unsaturated bond and a polar group, wherein any one of carbon atoms forming the polymerizable unsaturated bond and a carbon atom linked to the polar group are connected to each other via at least one carbon atom, and wherein a cis content of the double bond portion of the conjugated diene compound in the polar group-containing copolymer is 80 mol % or more. | 04-19-2012 |
| 20120065316 | RUBBER COMPOSITION FOR CHAFER - The present invention relates to a chafer using a rubber composition for a chafer comprising:
| 03-15-2012 |
| 20120010348 | RUBBER COMPOSITION AND TIRE USING SAME - The present invention provides a rubber composition for a tire which makes it possible to consider an effect on environment, prepare for decrease in supply quantity of petroleum in future and improve weather resistance and rubber strength in good balance, and a tire prepared by using the rubber composition. The rubber composition of the present invention comprises not less than 20 parts by weight of a silica, not more than 5 parts by weight of a carbon black and 2 to 20 parts by weight of a turpentine soot and/or lamp black having an average particle diameter of not more than 1,000 nm, based on 100 parts by weight of a rubber component comprising a natural rubber and/or an epoxidized natural rubber, and a tire prepared by using the rubber composition. | 01-12-2012 |
| 20110266249 | CLOSURE DEVICE FOR A CONTAINER, AND SEAL MEMBER FOR THE DEVICE - Disclosed is a closure device for a container, which seals an opening ( | 11-03-2011 |
| 20110212791 | DIAGNOSING METHOD OF GOLF SWING AND SILHOUETTE EXTRACTING METHOD - In a method capable of diagnosing quality of a swing without circumstance, a camera | 09-01-2011 |
| 20110126938 | DEVICE FOR ADDING AIR AND/OR SEALING MEANS TO A TIRE - A device for the introduction of air and/or sealant into a tire, in particular a motor vehicle tire, having an electric pump or compressor, an electric connection cable for the pump or compressor which has a connection element, in particular a plug, at its end for the connection of the connection cable to a power supply, in particular to the cigarette lighter of a motor vehicle, having a hose for the air and/or the sealant which is or can be connected to the electric pump or compressor and whose other end can be connected to the tire to be filled, and having a housing for the reception of at least some of the device components, wherein the housing has in each case a separate receiver for the connection cable, on the one hand, and the connection element of the connection cable, on the other hand to improve the handling of the device. | 06-02-2011 |
| 20110124440 | METHOD FOR EVALUATING HIT FEELING - A valuation method of the present invention quantitatively estimates hit feeling of a sport hitting tool. The evaluation method includes: a first step of using a measuring means M | 05-26-2011 |
| 20110098882 | Vehicle speed estimation device, method and device for detecting decreased tire pressure using the same - The present invention provides a vehicle-speed estimation device capable of obtaining vehicle speed with high accuracy, thereby simultaneously detecting decrease of air pressure in all wheels by using the vehicle speed. The vehicle-speed estimation device includes means for detecting lateral acceleration of a vehicle, means for detecting a yaw rate of the vehicle, means for detecting a roll angle of the vehicle, and speed estimation and calculation means for estimating vehicle speed from the lateral acceleration, yaw rate and roll angle. Alternatively, the device includes means for detecting lateral acceleration of a vehicle, means for detecting a yaw rate of the vehicle, and speed estimation and calculation means for estimating vehicle speed from the lateral acceleration and the yaw rate. A method for detecting decreased tire pressure includes a step of comparing an estimated vehicle speed with vehicle speed calculated from wheel speed, and a step of determining decreased tire pressure based on a result of the comparison. Alternatively, the method determines decreased tire pressure based on a result of the comparison of a value obtained by multiplying a yaw rate by wheel speed with lateral acceleration. | 04-28-2011 |
| 20110011508 | PNEUMATIC TIRE - A tire includes a rim protector ( | 01-20-2011 |
| 20100281968 | DETECTION METHOD FOR FORCES ACTING ON TIRE AND PNUAMATIC TIRE USED THEREIN - Provided is a detection method for at least one of acting forces on tire among a back-and-forth directional force, a lateral force, vertical force, and a moment about a tire axis, to detect by strain outputs of strain sensors, which are attached on the tire and measure the strains of a sidewall portion. The above-mentioned strain sensors comprise
| 11-11-2010 |
| 20100267899 | THERMOPLASTIC ELASTOMER COMPOSITION AND PRODUCTION PROCESS - A thermoplastic elastomer composition which has excellent cleanability and is suitable for use as a medical rubber supply. It is characterized by comprising a rubber ingredient dynamically crosslinked with a crosslinking agent and a matrix which comprises a thermoplastic resin and in which the crosslinked rubber ingredient has been dispersed, the crosslinking agent comprising a triazine derivative. | 10-21-2010 |
| 20100261002 | SURFACE-TREATING LIQUID FOR CONDUCTIVE ELASTIC LAYER, METHOD OF SURFACE TREATMENT OF THE SAME, AND SURFACE-TREATED CONDUCTIVE MEMBER - A conductive member of a paper feed roller for use in an electrophotographic apparatus is provided which retains electrical conductivity in an adequate range, is effectively prevented from deteriorating in durability, and is reduced in the voltage dependence of electrical resistance and in resistance unevenness. This conductive member enables satisfactory print quality to be obtained over long. The conductive member comprises:
| 10-14-2010 |
| 20100230020 | PNEUMATIC TIRE - A proper balance between ride comfort and steering stability is achieved. A pneumatic tire ( | 09-16-2010 |
| 20100212799 | TIRE FOR MOTORCYCLE - [Problem] It is an object to provide a tire for a motorcycle which realizes a low fuel consumption and is also excellent in a grip performance. | 08-26-2010 |
| 20100204372 | RUBBER COMPOSITION FOR TREAD AND TIRE HAVING TREAD COMPRISING THEREOF - An object of the present invention is to satisfy both of the low heat build-up property and strength at break. The present invention provides a rubber composition for tread comprising 0.5 to 10 parts by mass of (B) an alkylphenol-sulfur chloride condensate indicated by the formula (B1): | 08-12-2010 |
| 20100181992 | DEVICE FOR MEASURING ANGULAR VELOCITY OF TIRE - A device for measuring angular velocity of a rotating tire, comprising a plurality (“m” pieces) of light reflection marks ( | 07-22-2010 |
| 20100179275 | RUBBER COMPOSITION FOR SIDE WALL AND PNEUMATIC TIRE USING THE SAME - By a rubber composition for a side wall, including a rubber component containing a natural rubber component consisting of a natural rubber and a modified natural rubber, 20 to 60 parts by mass of silica, and 0.5 to 15 parts by mass of at least any one of a terpene-based resin and a rosin-based resin based on 100 parts by mass of the rubber component, and a pneumatic tire provided with a side wall rubber using the same, a rubber composition for a side wall in which both of maintenance of properties desired in a rubber composition for a side wall such as durability and improvement in processibility can be realized while a use amount of a raw material derived from a petroleum source is reduced, and a pneumatic tire in which running safety is improved by providing with a side wall rubber using the same, are provided. | 07-15-2010 |
| 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 |
| 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 |
| 20090308149 | METHOD FOR TIRE ROLLING SIMULATION ON MUD - A method for tire rolling simulation on mud comprises the steps of modeling a tire using finite elements to build a tire model, modeling a muddy road using finite volumes to build a muddy road model which can exhibit elastoplasticity property and failure property, and executing a numerical simulation in which the tire model is made to roll on the muddy road model in a predetermined condition. | 12-17-2009 |
| 20090188601 | Pneumatic Tire - A pneumatic tire including bead apex rubbers | 07-30-2009 |
| 20090056846 | Tire Having Tire Tread Structure Comprising Cap Tread and Base Tread - The present invention provides a tire having a tire tread comprising a cap tread and a base tread, use of which makes it possible to prepare for future decrease of petroleum supply, and further, can improve rolling resistance, steering stability and rubber strength in favorable balance, as compared with a tire prepared by using a rubber composition for a tread or a tire prepared by using a rubber composition for a base tread, which mainly comprises materials derived from petroleum resources. The tire has a tire tread comprising a cap tread and a base tread, the base tread being prepared by using a rubber composition for a base tread comprising 25 to 80 parts by weight of silica on the basis of 100 parts by weight of a rubber component comprising a natural rubber, and a thickness of the base tread being 17 to 50% of the overall thickness of the tire tread. | 03-05-2009 |
| 20090025846 | Metal Cord, Rubber-Cord Complex and Pneumatic Tire Using the Same - A rubber-cord complex | 01-29-2009 |
| 20080300368 | Rubber composition for coating tire cord - The object of the present invention is provide a rubber composition for coating a tire cord, which improves adhesion with a tire cord and has an effect of recovering adhesion with a tire cord at hygrothermal aging with maintaining the initial vulcanization rate. The present invention relates to a rubber composition for coating a tire cord comprising 0.7 to 3 parts by weight of benzothiazolyl sulfenamide or benzothiazolyl sulfenimide represented by the chemical formula (1): | 12-04-2008 |
| 20080295934 | Pneumatic tire - A pneumatic tire wherein at least 75% by weight of tire-constituting components based on the tire overall weight are made of nonpetroleum-based materials and wherein, at least, base rubber | 12-04-2008 |