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Sumitomo Rubber Industries Ltd
Sumitomo Rubber Industries Ltd_20131212

Sumitomo Rubber Industries Ltd patents


Recent patent applications related to Sumitomo Rubber Industries Ltd. Sumitomo Rubber Industries Ltd is listed as an Agent/Assignee. Note: Sumitomo Rubber Industries Ltd may have other listings under different names/spellings. We're not affiliated with Sumitomo Rubber Industries Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Sumitomo Rubber Industries Ltd-related inventors


 new patent  Pneumatic tire

In a tire 2, a band 16 has a jointless structure. A reinforcing layer 18 is layered over the band 16 from a radially outer side of the band 16. In the reinforcing layer 18, a reinforcing cord 40 is extended alternately on and between one end 32 portion of... Sumitomo Rubber Industries Ltd

 new patent  Rubber composition for use in outer layer of tire, and pneumatic tire

Provided are a rubber composition for outer layers of tires with which it is possible to reduce the amount of phosphorus used, and further to improve initial grip performance and grip performance during the middle phase of running while maintaining or improving good abrasion resistance, thereby achieving a balanced improvement... Sumitomo Rubber Industries Ltd

Rubber composition and pneumatic tire

Provided are a rubber composition that achieves a balanced improvement in grip performance during the initial to late phases of running and abrasion resistance, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition containing a rubber component, sulfur, and a molten mixture... Sumitomo Rubber Industries Ltd

Rubber composition for studless winter tires, and studless winter tire

Provided are a rubber composition for studless winter tires that can improve not only performance on snow and ice but also abrasion resistance, thereby simultaneously achieving excellent performance on snow and ice and excellent abrasion resistance, and a studless winter tire formed from the rubber composition. The rubber composition for... Sumitomo Rubber Industries Ltd

Airless tire

The purpose of the present invention is to minimize decline in endurance, while improving vibration performance. The spokes of an airless tire are provided, as an integrated unit, with an outside annular portion joined to the inside peripheral surface of a tread ring, an inside annular portion joined to the... Sumitomo Rubber Industries Ltd

Rubber composition for base tread

TB×EB≧8500  General formula (5)... Sumitomo Rubber Industries Ltd

Cold weather tire

Provided is a cold weather tire achieving a balanced improvement in fuel economy, abrasion resistance, performance on ice and snow, and high-speed performance (handling stability, grip performance) on snow- and ice-free roads at low temperatures. The cold weather tire includes a cap tread formed of a rubber composition that contains:... Sumitomo Rubber Industries Ltd

Cap tread rubber composition for cold weather tires

Provided are a cap tread rubber composition for cold weather tires enabling a balanced improvement in fuel economy, abrasion resistance, performance on ice/snow, and high-speed performance on snow-/ice-free cold roads, and a cold weather tire formed from the same. The rubber composition contains: a rubber component including BR, SBR, and... Sumitomo Rubber Industries Ltd

Pneumatic tire

The present invention provides a cold weather tire achieving a balanced improvement in conductivity, fuel economy, performance on ice and snow, high speed performance (handling stability, grip performance) on snow- and ice-free cold roads, and road noise performance. Provided is a pneumatic tire including: a two-layer tread including a base... Sumitomo Rubber Industries Ltd

Pneumatic tire

A first and a second tread pattern portions P1 and P2 on each side of a tire equator (Co) are line symmetry except being circumferentially misaligned, and are each provided with oblique lateral grooves 3, inner and outer joint grooves 4 and 5 connecting between the circumferentially adjacent oblique lateral... Sumitomo Rubber Industries Ltd

Preparation rubber composition for tire and production tire

(Wherein each of R1 to R4 independently represents a straight-chain or branched chain alkyl group having 1 to 18 carbon atoms or a cycloalkyl group having 5 to 12 carbon atoms.)... Sumitomo Rubber Industries Ltd

Preparation rubber composition for tire and production tire

A preparation method of a rubber composition for a tire assures that good processability can be obtained even if a silane coupling agent having a mercapto group is blended. The preparation method of a rubber composition for a tire is characterized by initiating kneading of a rubber component and a... Sumitomo Rubber Industries Ltd

Preparation rubber composition for tire and production tire

(Wherein R1 represents a straight-chain or branched chain alkyl group having 1 to 18 carbon atoms or a cycloalkyl group having 3 to 12 carbon atoms, and R2 and R3 together with nitrogen bonded thereto form a succinimide group, a maleimide group or a phthalimide group.)... Sumitomo Rubber Industries Ltd

Tire vulcanizing apparatus

A vulcanizing bladder 3 comprises a first bladder 11 configured to contact with an inner circumferential surface of an unvulcanized tire (T) and a second bladder 12 arranged inside the first bladder 11. A first fluid G1 is to be supplied between the first bladder 11 and the second bladder... Sumitomo Rubber Industries Ltd

Pneumatic tire

The pneumatic tire comprises a tread portion 2 provided with first sipes 25 and second sipes 26 and having a first tread half portion 21 and a second tread half portion 22. The first sipes 25 are smoothly continued from a crown land region 10 in the second tread half... Sumitomo Rubber Industries Ltd

Tire

A tire 1 comprises a tread portion 2 provided with an outboard shoulder land region 8 with outboard shoulder sipes 26. The outboard shoulder sipe 26 comprises a deep bottom part 27 and a shallow bottom part 28. The shallow bottom part 28 comprises an axially outer part 30 extending... Sumitomo Rubber Industries Ltd

Tire

A vehicle tire includes a tread portion provided in the tread surface with a circumferentially continuously extending groove having a bottom and a pair of opposite side walls, wherein at least one of the side walls is provided with protrusions protruding into the groove and arranged in the tire circumferential... Sumitomo Rubber Industries Ltd

Pneumatic tire

Provided is a pneumatic tire which has both improved driving stability performance on a dry road surface and improved on-snow performance. A pneumatic tire has defined on the tread first lands and second lands. The first lands and the second lands are provided with recesses. The recesses include first recesses... Sumitomo Rubber Industries Ltd

Tire

A tire comprises a tread portion provided with a first middle main groove, a second middle main groove, a crown longitudinal groove disposed between the first middle main groove and the second middle main groove, first crown lateral grooves connecting between the crown longitudinal groove and second middle main groove,... Sumitomo Rubber Industries Ltd

Rubber composition for coating steel cord and tire

An object of the present invention is to provide a rubber composition which is excellent in cord adhesiveness, steering stability and elongation at break. The present invention relates to a rubber composition for coating a steel cord comprising not less than 0.12 part by mass of zinc benzoate and/or zinc... Sumitomo Rubber Industries Ltd

Medical analysis device and cell analysis method

The present invention provides a medical analysis device and a cell analysis method, which can capture many types of cancer cells, including cancer cells not expressing EpCAM. The present invention relates to a medical analysis device having a well portion, the well portion having a hydrophilic polymer layer formed at... Sumitomo Rubber Industries Ltd

Method for capturing cancer cells

The present invention provides a method for capturing cancer cells which can capture many types of cancer cells, including cancer cells not expressing EpCAM. The present invention relates to a method for capturing cancer cells present in biological fluid, the method including reducing the protein level of sampled biological fluid,... Sumitomo Rubber Industries Ltd

Medical analysis device and cell analysis method

The present invention provides a medical analysis device and a cell analysis method with which it is possible to count the number of cancer cells, culture the cancer cells, and determine the effect of drugs on the cancer cells. The present invention relates to a medical analysis device intended to... Sumitomo Rubber Industries Ltd

Golf club

A shaft of a golf club includes a reverse-tapered engagement part. The reverse-tapered engagement part includes a sleeve having a reverse-tapered shape, and a reverse-tapered outer surface. A hosel part of a head includes a reverse-tapered inner surface and a hosel slit. A hosel hole includes the reverse-tapered inner surface... Sumitomo Rubber Industries Ltd

Golf club shaft

To provide a lightweight shaft having excellent strength, a shaft has one or a plurality of fiber reinforced resin layers. At least one of the fiber reinforced resin layers is produced by a filament winding method in which one or a plurality of fiber bundles are wound while tension is... Sumitomo Rubber Industries Ltd

Pneumatic tire

A pneumatic tire includes a tread portion provided with a crown land region and middle land regions provided with only sipes, and shoulder land regions provided with shoulder rug grooves and connecting sipes. The tread portion is provided with a crown tread profile having a radius of curvature, a middle... Sumitomo Rubber Industries Ltd

Developing roller

A developing roller is provided, which includes a roller body having a simplified structure without a coating film and yet having a higher wear resistance. The developing roller (1) includes a roller body (2) made of a crosslinked product of a rubber composition containing a rubber component including 20 to... Sumitomo Rubber Industries Ltd

Pneumatic tire

A pneumatic tire 1 comprises a tread portion 2 having an outboard tread edge Te1 to be positioned away from the center of a vehicle body and an inboard tread edge Te2 to be positioned close to the center of the vehicle body. The tread portion 2 is provided with... Sumitomo Rubber Industries Ltd

Heavy-duty tire

A heavy-duty tire includes a tire sidewall (K) provided on a surface (Ks) thereof with a belt-like shaped serration extending in a tire circumferential direction. The serration is formed of a plurality of radially extending ridges arranged adjacently in the tire circumferential direction.... Sumitomo Rubber Industries Ltd

Paper feed roller and image forming apparatus with the paper feed roller

The invention provides a paper feed roller capable of reducing abnormal noise caused by a knurled shape while maintaining characteristics thereof, including maintaining friction coefficient and coping with paper powder. The paper feed roller comprises a roller body formed of elastic material in a cylindrical shape and is characterized in... Sumitomo Rubber Industries Ltd

Method of manufacturing tire product

A method of manufacturing a tire product comprising: a step of preparing a core-assembly 4 of a rigid core 2 and a rubber member 3 formed on the rigid core 2, wherein the rigid core 2 is attached to a spindle device 7, and the rubber member 3 is to... Sumitomo Rubber Industries Ltd

Method for producing natural rubber

The present invention provides a method for producing natural rubber with which the odors of solid natural rubber is easily reduced, and further which does not degrade physical properties such as heat aging resistance. The present invention relates to a method for producing natural rubber, the method including a sheeting... Sumitomo Rubber Industries Ltd

Motorcycle tire

A motorcycle tire 1 comprises a tread portion 2, sidewall portions 3, bead portions 4, a carcass 6 extending between the bead portions, and a tread reinforcing layer 7 disposed radially outside the carcass in the tread portion. The tread reinforcing layer 7 is composed of a helically wound strip... Sumitomo Rubber Industries Ltd

Pneumatic tire

A pneumatic tire includes a tread portion including an inboard tread region between a tire equator and an inboard tread edge, and an outboard tread region between the tire equator and an outboard tread edge. The inboard tread region is provided with a first main groove extending and a second... Sumitomo Rubber Industries Ltd

Tire

A tire comprises a tread portion having a tire equator C and a first tread edge Te1. The tread portion is provided with a first main groove extending continuously in the tire circumferential direction and a first land region. The first main groove is provided on its axially outer groove... Sumitomo Rubber Industries Ltd

03/01/18 / #20180056727

Tire

A tire comprises a tread portion comprising a first tread portion defined between a tire equator C and a first tread edge. The first tread portion is provided with a crown main groove extending continuously and straight in a tire circumferential direction on a side of the tire equator C... Sumitomo Rubber Industries Ltd

03/01/18 / #20180057665

Rubber composition

A rubber composition includes a rubber component, a molten mixture including one or more of benzoic acid zinc and t-butyl benzoic acid zinc in the range of 0.05 to 6.0 parts by mass with respect to 100 parts by mass of the rubber component, and one or more of wet... Sumitomo Rubber Industries Ltd

03/01/18 / #20180057669

Tire

The object of the present invention is to provide a tire which is excellent in steering stabilities at low temperature and at high temperature after aging without deterioration of the initial steering stabilities at low temperature and at high temperature. The present invention relates to a tire having a tread... Sumitomo Rubber Industries Ltd

02/22/18 / #20180052979

Simulation polymer material

A simulation method for analyzing a breakage of a molecular chain of a polymer material using a computer comprises: defining a polymeric material model by setting a molecular chain model in a virtual space corresponding to a portion of the polymeric material; and calculating a breaking of the molecular chain... Sumitomo Rubber Industries Ltd

02/15/18 / #20180043224

Golf club grip and golf club

An object of the present invention is to provide a golf club grip having excellent grip performance under a wet condition. The present invention provides a golf club grip having an outermost surface layer, wherein the outermost surface layer contains (A) a crosslinked rubber and (B) a silica, and has,... Sumitomo Rubber Industries Ltd

02/15/18 / #20180043358

Microfluidic chip

The first plunger is capable of movement in the first fluid space so as to deliver the first fluid from the first fluid space to the first micro flow channel. According to the first aspect, a first fluid space for containing a first fluid such as a testing solution and... Sumitomo Rubber Industries Ltd

02/15/18 / #20180044509

Studless winter tire

Provided is a studless winter tire which provides good performance on ice and snow and good abrasion resistance, and suffers little change in hardness and little discoloration on the tire surface. The present invention relates to a studless winter tire including a tread formed from a rubber composition containing a... Sumitomo Rubber Industries Ltd

02/08/18 / #20180036489

Medical syringe, gasket to be used for syringe, and gasket production method

A laminated gasket (13) to be used for a medical syringe is provided, which includes a main body (14) made of an elastic material, and a film (15) provided on a surface of the main body (14). The gasket (13) has a circumferential surface portion (17) to be brought into... Sumitomo Rubber Industries Ltd

02/08/18 / #20180036490

Gasket

The present invention provides a gasket excellent in properties such as sliding properties and resistance to liquid leakage. The present invention relates to a gasket having at least two annular projections and at least one annular valley on its sliding surface, the sliding surface being at least partially provided with... Sumitomo Rubber Industries Ltd

02/08/18 / #20180036978

Bead core manufacturing apparatus

A bead core manufacturing apparatus (1) comprises an annular former (4) having an outer peripheral surface (40) on which a bead wire (w) is woundable into a bead core. The former (4) comprises a set of segments (41), which are divided circumferentially of the former, and which have radially outer... Sumitomo Rubber Industries Ltd

02/08/18 / #20180037062

Pneumatic tire

A pneumatic tire 1 comprises a carcass 6 comprising at least one carcass ply 6A extending between bead portions 4 via sidewall portions 3 and a tread portion 2. The carcass ply 6A comprises strip-shaped ply pieces 11 longer in a tire radial direction than in a tire circumferential direction... Sumitomo Rubber Industries Ltd

02/08/18 / #20180038751

Compressor unit

A compressor unit 1 comprises a compressor 5 and a pressure meter 6. The pressure meter 6 comprises: a tubular body 18 communicating with the surge chamber 12B, a meter-piston 19 movable in the tubular body 18 in the longitudinal direction thereof by the compressed air, and a spring 20... Sumitomo Rubber Industries Ltd

02/01/18 / #20180029421

Cord-rubber composite and pneumatic tire

A cord-rubber composite 11 comprises a cord array 12 of parallel steel cords 14, and an unvulcanized topping rubber 13 coating the cord array 12 and having a complex elastic modulus E* of not less than 5 MPa after vulcanization. The code array has a surface area parameter S (mm)... Sumitomo Rubber Industries Ltd

02/01/18 / #20180029424

Pneumatic tire

A pneumatic tire comprises a tread portion, a pair of sidewall portions, bead portions formed radially inside the sidewall portions, shoulder blocks arranged in the tire circumferential direction with first pitches on at least one of end portions of the tread portion, side protectors protruding axially outwardly on at least... Sumitomo Rubber Industries Ltd

02/01/18 / #20180030248

Rubber composition for tire, and pneumatic tire

Provided are a rubber composition for tires that achieves a balanced improvement in fuel economy, abrasion resistance, and performance on ice, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires containing predetermined amounts of natural rubber, polybutadiene rubber, silica, and... Sumitomo Rubber Industries Ltd

02/01/18 / #20180030250

Rubber composition for tyres, and pneumatic tyre

Provided are a rubber composition for tires that shows a balanced improvement in fuel economy, abrasion resistance, wet performance, and handling stability, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires containing a modified diene rubber containing a functional group... Sumitomo Rubber Industries Ltd

02/01/18 / #20180032002

Electrically conductive rubber composition, transfer roller, production the transfer roller, and image forming apparatus

An electrically conductive rubber composition is provided, which is usable for production of a transfer roller of a highly flexible foam satisfying requirements for cost reduction and weight reduction and having smaller foam cell diameters and, hence, ensuring higher-quality image formation with smaller environment-dependent variations in roller resistance. A transfer... Sumitomo Rubber Industries Ltd

01/25/18 / #20180022165

Tire

A tire 1 comprises a tread portion 2, a tread edge Te provided in the tread portion 2, a shoulder main groove 3 extending continuously in the tire circumferential direction in the tread portion 2, and a shoulder land region 5 being defined between the tread edge Te and the... Sumitomo Rubber Industries Ltd

01/25/18 / #20180022911

Tire

According to a tire comprising a CFRP comprising a matrix resin and a carbon fiber, in which the matrix resin comprises a resin component comprising 20 to 80% by mass of an epoxy resin and 20 to 80% by mass of a functional group-modified acrylonitrile butadiene copolymer, it is possible... Sumitomo Rubber Industries Ltd

01/18/18 / #20180015786

Tire

A tire comprises a tread portion 2 comprising a shoulder main groove 5 extending on a side of a tread edge (Te). The shoulder main groove 5 comprises an inner groove wall 11 having an angle with respect to its tread normal line in a cross section of the shoulder... Sumitomo Rubber Industries Ltd

01/18/18 / #20180015789

Tire

A tire includes a tread part having main grooves and lands demarcated by the main grooves. A crown land between a pair of crown main grooves includes first crown lug grooves extending from one crown groove to tire axial direction inner side and terminated within the crown land, second crown... Sumitomo Rubber Industries Ltd

01/18/18 / #20180015790

Tire

A tire comprises a tread portion 2 comprising a shoulder main groove 5 extending on a side of a tread edge Te and comprising inner and outer groove walls 11 and 12. The inner groove wall 11 has an angle θ1 with respect to a tread normal line in a... Sumitomo Rubber Industries Ltd

01/18/18 / #20180016402

Method for producing master batch, master batch obtained by said production method, rubber composition for tire, and pneumatic tire

The present invention provides, inter alia, a method for producing a masterbatch in which the dispersibility of microfibrillated plant fibers is further increased to obtain excellent processability and improved rubber properties such as fuel economy, tensile strength, and elongation at break. The present invention relates to a method for producing... Sumitomo Rubber Industries Ltd

01/11/18 / #20180009183

Tire vulcanizing apparatus and tire vulcanizing method

A tire vulcanizing apparatus 1 comprises: a vulcanizing mold 2 for vulcanization-molding an unvulcanized tire T, a tire-vulcanizing bladder assembly 3 inflatable with a fluid to press the unvulcanized tire against the vulcanizing mold, a supply means 4 for the fluid, and a discharge means 5 for the fluid from... Sumitomo Rubber Industries Ltd

01/11/18 / #20180009185

Bead core forming former

An annular bead core forming former is for manufacturing a bead core including a wire array in which a bead wire is helically wound in a width direction of the bead core. The bead core forming former comprises a main body portion having an outer circumferential surface with a circumferential... Sumitomo Rubber Industries Ltd

01/11/18 / #20180009269

Pneumatic tire

A pneumatic tire includes a first tread-half region from the tire equator to a first tread edge. In the first tread-half region, a crown land portion and a middle land portion are not provided with any grooves having widths equal to or more than 2 mm. In the first tread-half... Sumitomo Rubber Industries Ltd

01/11/18 / #20180009620

Paper feeding roller

Provided is a paper feeding roller in which recesses due to deformation are unlikely to be formed even when contact with another roller in one location continues for a comparatively long period of time, particularly as a conveying roller or the like. A paper feeding roller that has a shaft... Sumitomo Rubber Industries Ltd

12/28/17 / #20170368886

Tire

A tire comprises a tread portion 2 provided with a first main groove 3 and a second main groove 4 each extending in a zigzag manner and a land region 10 defined between them. The land region 10 is provided with a longitudinal sipe 15 extending in a zigzag manner... Sumitomo Rubber Industries Ltd

12/28/17 / #20170368882

Tire

A tire includes a tread portion being provided with a circumferentially and continuously extending outboard shoulder main groove, a circumferentially and continuously extending outboard crown main groove disposed between the outboard shoulder main groove and a tire equator, and an outboard middle land portion disposed between the outboard shoulder main... Sumitomo Rubber Industries Ltd

12/28/17 / #20170368883

Tire

A tire comprises a tread portion 2 having an outboard tread edge To and an inboard tread edge Ti and provided with an outboard shoulder main groove 3 and an outboard crown main groove 4 extending continuously in the tire circumferential direction so as to define an outboard middle land... Sumitomo Rubber Industries Ltd

Patent Packs
12/28/17 / #20170368885

Tire

A tire comprises a tread portion having an outboard tread edge To and an inboard tread edge Ti. The tread portion is provided with: an outboard shoulder main groove extending continuously in the tire circumferential direction; an outboard crown main groove extending continuously in the tire circumferential direction and disposed... Sumitomo Rubber Industries Ltd

12/28/17 / #20170368887

Tire

A tire has a tread having a first tread edge, a second tread edge on the opposite side, and multiple inclined main grooves formed such that each inclined main groove is obliquely extending from one of the first and second tread edges toward a tire equator and is terminated without... Sumitomo Rubber Industries Ltd

12/28/17 / #20170368888

Pneumatic tire

A pneumatic tire includes a tread having a pair of crown grooves, a pair of shoulder grooves, a crown land, a pair of middle lands, and a pair of shoulder lands. No grooves having width of 2 mm or more are formed in the crown and middle lands, the tread... Sumitomo Rubber Industries Ltd

12/28/17 / #20170369685

Rubber composition and tire

An object of the present invention is to provide a rubber composition which is excellent in wet grip performance and abrasion resistance without deteriorating fuel efficiency, and a tire having a tread composed of the rubber composition. The present invention relates to a rubber composition comprising a rubber component comprising... Sumitomo Rubber Industries Ltd

12/14/17 / #20170354859

Gui display device

Provided is a GUI display device that is able to explain the movement for holding the wrist cock and the movement for releasing the wrist cock during a golf swing visually in easily understandable manner. The GUI display device includes a display control part. The display control part simultaneously displays,... Sumitomo Rubber Industries Ltd

12/14/17 / #20170355227

Non-pneumatic tire

A non-pneumatic tire 1 comprises: a radially inner ring 3 coupled with an tire wheel H; a radially outer ring 2 comprising a radially outermost annular tread portion 5 having electrical conductivity, and a radially innermost second portion 6; and radial link portions 4 connecting between the radially outer and... Sumitomo Rubber Industries Ltd

12/14/17 / #20170355830

Rubber composition and pneumatic tire comprising tread formed from said rubber composition

wherein R11 represents a C1-C30 hydrocarbon group.... Sumitomo Rubber Industries Ltd

12/14/17 / #20170355835

High performance tire

A high performance tire includes a tread produced by a process including vulcanizing a rubber composition including a rubber component, a carbon black component, and a plasticizer component. The rubber component includes styrene butadiene rubber in content in the range of 60 to 100 mass % with respect to 100... Sumitomo Rubber Industries Ltd

12/14/17 / #20170355836

Tire rubber composition manufacturing method and tire rubber composition

A method for manufacturing a tire rubber composition includes kneading a rubber component, a silane coupling agent and a silica having a BET specific surface area of 210 m2/g or more, adding a vulcanization accelerator to a first kneaded material including the rubber component, silane coupling agent and silica, kneading... Sumitomo Rubber Industries Ltd

11/30/17 / #20170340936

Impact point estimation apparatus

Provided is an impact point estimation apparatus that is capable of estimating, easily and with high accuracy, an impact point on a face surface of a golf club head at the time of a golf swing. The impact point estimation apparatus includes an acquisition part configured to acquire time-series sensor... Sumitomo Rubber Industries Ltd

11/30/17 / #20170341284

Strip, manufacturing the same, and manufacturing pneumatic tire

The present invention is a strip of a thermoplastic elastomer composition to be wound spirally on a cylindrical drum to form an inner liner for a tire. The strip is composed of a layer stack of a first layer made of a thermoplastic elastomer composition containing 0.1 part by mass... Sumitomo Rubber Industries Ltd

11/30/17 / #20170341468

Pneumatic tire

Provided is a pneumatic tire including a tread formed from a rubber composition highly improving wet-grip performance, dry-grip performance, and durability while maintaining a good balance therebetween. A pneumatic tire including a tread formed from a rubber composition, the composition containing 90% by mass or more of a diene rubber... Sumitomo Rubber Industries Ltd

11/30/17 / #20170341470

Pneumatic tire

A tire 22 includes a plurality of ribs 68 aligned in an axial direction. A rib 68s, among the plurality of ribs 68, disposed on an outer side in the axial direction is sectioned into a body portion 74 and a side portion 76 by a groove 72 that extends... Sumitomo Rubber Industries Ltd

11/30/17 / #20170341472

Tire

A tire 1 comprises a tread portion 2 provided with an outer shoulder main groove 3 in a part closest to an outside tread edge (To) and an outer crown main groove 4 on a side of an inside tread edge (Ti) of the outer shoulder main groove 3 both... Sumitomo Rubber Industries Ltd

11/23/17 / #20170334157

Pneumatic tire

A pneumatic tire includes an inner liner including a vulcanized rubber composition such that a number of voids each having a volume of 4.19 μm3 or more per 8,000,000 μm3 in the vulcanized rubber composition is 2 or less in an environment of 60° C. under an atmospheric pressure, and... Sumitomo Rubber Industries Ltd

Patent Packs
11/23/17 / #20170334249

Heavy-duty tire

A heavy-duty tire includes a tread part formed such that the tread part includes a crown profile including tire equator, and a pair of shoulder profiles extending from outer sides of the crown profile to tread edges. In a tire cross section including tire rotation axis in 5% internal pressure... Sumitomo Rubber Industries Ltd

11/23/17 / #20170334250

Pneumatic tire and manufacturing same

A pneumatic tire is provided in the tread portion with a land portion including a conductive portion made of a conductive rubber. The conductive portion has a radially inner end electrically connected to a conductive tire internal structural to be connected to a wheel rim, and a radially outer end... Sumitomo Rubber Industries Ltd

11/16/17 / #20170326031

Medical rubber stopper and producing medical rubber stopper

The present invention aims to provide a medical rubber stopper that is excellent in chemical resistance and airtightness while having good productivity. The present invention relates to a medical rubber stopper including: a disk-shaped head portion with a flange region; and a cylindrical leg portion protruding from the lower surface... Sumitomo Rubber Industries Ltd

11/16/17 / #20170327670

Pneumatic tire

The present invention provides a pneumatic tire including a tread formed from a rubber composition that can simultaneously highly improve initial grip performance and stable grip performance during the middle and late periods of running, and further can reduce the occurrence of blowing even during high-temperature running. The present invention... Sumitomo Rubber Industries Ltd

11/16/17 / #20170327671

Tire rubber composition manufacturing method and tire rubber composition

A method for manufacturing a tire rubber composition includes kneading a rubber component, a silane coupling agent and silica such that a content of the silica exceeds 50 parts by mass with respect to 100 parts by mass of the rubber component, adding a vulcanization accelerator to a kneading mixture... Sumitomo Rubber Industries Ltd

11/16/17 / #20170329260

Transfer roller, and production the transfer roller

An inventive transfer roller (1) is made of a foam formed from an electrically conductive rubber composition containing an electrically conductive rubber, a crosslinking component, and a foaming agent including OBSH and 0.25 to 2.5 parts by mass of sodium hydrogen carbonate based on 1 part by mass of OBSH,... Sumitomo Rubber Industries Ltd

11/09/17 / #20170320056

Medical analysis device and cell analysis method

Provided are a medical analysis device and a cell analysis method which can capture many cancer cells, including cancer cells not expressing EpCAM. A medical analysis device including a flow channel zone that includes a chamber zone, the inner surface of the flow channel zone being at least partially provided... Sumitomo Rubber Industries Ltd

11/09/17 / #20170320358

Rubber composition for tires, and pneumatic tire

The present invention aims to provide a rubber composition for tires that can improve processability, crack resistance, ozone resistance, discoloration resistance, and tire appearance while maintaining a good balance between them, and also to provide a pneumatic tire formed from the rubber composition. The present invention relates to a rubber... Sumitomo Rubber Industries Ltd

11/09/17 / #20170320990

Surface modification method

Provided are methods for surface-modifying a thermoplastic resin which produce surfaces that show not only low adsorption of proteins and cells but also selective adsorption or adhesion of specific cells such as cancer cells, and further have excellent durability. A method for surface-modifying an object made of a thermoplastic resin,... Sumitomo Rubber Industries Ltd

11/02/17 / #20170313003

Apparatus for the introduction of air and/or sealant into a tire

Apparatus for introducing air and/or sealant into a tire includes a container for the sealant having an inlet and an outlet, wherein the outlet is connectable to the inlet end of a hose whose outlet end is connectable to the tire to be filled and includes a pressure generation means... Sumitomo Rubber Industries Ltd

11/02/17 / #20170313006

Pneumatic tire manufacturing method, and pneumatic tire

A pneumatic tire manufacturing method is provided in which raw cover molding is suitably performed with no, or a minimal amount of, down-stitching in the manufacture of SOT-structure pneumatic tires; also provided is a pneumatic tire. This pneumatic tire manufacturing method involves a first cover molding step for molding a... Sumitomo Rubber Industries Ltd

11/02/17 / #20170313859

Process for preparing vulcanized rubber composition, vulcanized rubber composition and studless tire using same

According to the process for preparing a vulcanized rubber composition of the invention comprising (a) a step of preparing a master batch comprising a butadiene rubber and silica, (b) a step of preparing a master batch comprising an isoprene rubber and silica, (c) a step of kneading the master batch... Sumitomo Rubber Industries Ltd

11/02/17 / #20170313860

Process for preparing vulcanized rubber composition, vulcanized rubber composition and studless tire using same

According to the process for preparing a vulcanized rubber composition of the invention comprising (a) a step of preparing a master batch comprising a butadiene rubber and silica, (b) a step of preparing a master batch comprising an isoprene rubber and silica, (c) a step of kneading the master batch... Sumitomo Rubber Industries Ltd

10/26/17 / #20170305090

Pneumatic tire manufacturing method, and pneumatic tire

A pneumatic tire manufacturing method is provided in which winding collapse is prevented, there is no possibility of adverse effects on the FV, a current-carrying layer can be formed easily, and down-stitching can be dispensed with or minimized in the manufacture of SOT-structure pneumatic tires having a base-pen structure in... Sumitomo Rubber Industries Ltd

10/26/17 / #20170305192

Rubber compound for tires, pneumatic tire, and an airless tire

To provide a rubber compound for tires, a pneumatic tire and an airless tire capable of improving the steering stability of the tire while exerting excellent low fuel consumption performance. A rubber compound for tires characterized in that, of vulcanized rubber's physical properties, a complex elastic modulus E*70 (unit: MPa)... Sumitomo Rubber Industries Ltd

10/26/17 / #20170305202

Pneumatic tire manufacturing method, and pneumatic tire

A pneumatic tire manufacturing method is provided in which raw cover molding is suitably performed with no, or a minimal amount of, down-stitching in the manufacture of SOT-structure pneumatic tires; also provided is a pneumatic tire. This pneumatic tire manufacturing method involves: a step in which a sidewall, an inner... Sumitomo Rubber Industries Ltd

10/26/17 / #20170305205

Pneumatic tire

A tire 2 includes a pair of beads 12 and a carcass 14. A core 28 of each bead 12 includes a body 34 having a hexagonal cross-section, and a cover 36 covering the body 34. The cover 36 is wrapped around the body 34, and the number of turns... Sumitomo Rubber Industries Ltd

10/26/17 / #20170305210

Pneumatic tire and producing same

Provided is a pneumatic tire with excellent tire noise-reducing properties. The pneumatic tire includes a resonator attached to the inner periphery of the tire, the resonator including a tube with an opening, and a cavity connected to the tube.... Sumitomo Rubber Industries Ltd

10/26/17 / #20170306130

Rubber composition for tire outer layer, and pneumatic tire

wherein R11 represents a C2-C16 alkyl group, and R12 represents a C3-C16 branched alkyl group or a benzothiazolylsulfide group.... Sumitomo Rubber Industries Ltd

10/19/17 / #20170296752

Gasket, and medical syringe

A gasket is provided, which is laminated with an inert resin film and has a reduced sliding resistance and a higher liquid sealability. The gasket (10) is used for a medical syringe (30), and includes a main body (11) made of an elastic material and an inert resin film (12)... Sumitomo Rubber Industries Ltd

10/19/17 / #20170296757

Nozzle cap

A nozzle cap (1) is provided, which is formed from a rubber composition containing a rubber component including a diene rubber and a non-diene rubber, wherein the diene rubber is present in a proportion of 20 to 70 parts by mass based on 100 parts by mass of the total... Sumitomo Rubber Industries Ltd

10/19/17 / #20170297281

Pneumatic tire

Provided is a pneumatic tire having sufficient sealing performance. The present invention relates to a pneumatic tire including a sealant layer located radially inside an innerliner, the sealant layer being formed by applying a sealant to the inner periphery of a tire from which mold release agents have been removed.... Sumitomo Rubber Industries Ltd

10/19/17 / #20170297376

Pneumatic tire

In a tire 2 according to the present invention, belt cords 42 included in a belt 22 each include a twisted string obtained by twisting together four filaments 46. Each belt cord 42 has an elliptical cross-section. On the cross-section, the ratio of the length of the minor axis to... Sumitomo Rubber Industries Ltd

10/19/17 / #20170297379

Pneumatic tire

A pneumatic tire 1 comprises a tread portion. The tread portion 2 is provided with a plurality of oblique main grooves 3 and oblique land regions 4. The oblique land regions 4 each divided by a first vertical groove 6 into a shoulder block 10 and a middle block 11... Sumitomo Rubber Industries Ltd

10/19/17 / #20170297381

Pneumatic tire

In a tire 2, on a cross-section, three or more rows in each of which cross-sections 30 of a wire are aligned almost in the axial direction, are layered in the radial direction. The cross-sections 30 of the wire in a first row disposed on an innermost side in the... Sumitomo Rubber Industries Ltd








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