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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.

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 new patent  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

 new patent  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

 new patent  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

 new patent  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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

10/12/17 / #20170291379

Pneumatic tire and producing same

Provided are a pneumatic tire in which the attachment start portion of the sealant does not easily peel off, and a method for producing the pneumatic tire. The present invention relates to a pneumatic tire including a generally string-shaped adhesive sealant, the sealant being continuously and spirally attached at least... Sumitomo Rubber Industries Ltd

10/12/17 / #20170291450

Pneumatic tire

There is provided a pneumatic tire having improved wet grip performance and fuel efficiency in a good balance. The pneumatic tire is provided with a tread composed of a rubber composition comprising not less than 0.5 part by mass of silica and not less than 5 parts by mass of... Sumitomo Rubber Industries Ltd

10/12/17 / #20170291453

Airless tire

An airless tire has a tread ring provided with a reinforcing rubber layer disposed radially inside a tread rubber layer and made of a rubber compound [A] comprising: 100 parts by mass of the rubber component containing 10 to 100% by mass of butadiene rubber; 10 to 80 parts by... Sumitomo Rubber Industries Ltd

10/12/17 / #20170292007

Rubber composition manufacturing method and pneumatic tire

A method for manufacturing a rubber composition includes kneading a rubber component, an inorganic filler and a thioester-based silane coupling agent, and adding a vulcanizing agent and one or more compounds selected from the group of an imide compound and an N-oxyl compound to a mixture of the rubber component,... Sumitomo Rubber Industries Ltd

10/05/17 / #20170281873

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

Laminated gasket free from liquid drug leakage. A gasket (13) for a medical syringe, with main body (14) made of elastic material, and film (15) provided on a surface of main body (14). Gasket (13) has a circumferential surface portion (17) for contact with an inner peripheral surface of a... Sumitomo Rubber Industries Ltd

10/05/17 / #20170282473

Pneumatic tyre and manufacturing method therefor

The present invention has an object of providing a pneumatic tire that exhibits better uniformity by improving the wire wound body for constituting the bead core. The pneumatic tire 1 comprises a bead core 5 comprising a wire wound body 10 in which one bead wire 10a is spirally wound... Sumitomo Rubber Industries Ltd

10/05/17 / #20170283572

Surface modification method

Provided are methods for surface-modifying a tubular object of a rubber vulcanizate or a thermoplastic elastomer. The methods allow these objects to have at least a lubricating inner surface layer chemically fixed thereon, instead of having a resin coating which has drawbacks such as reduction in lubricity due to e.g.... Sumitomo Rubber Industries Ltd

10/05/17 / #20170283602

Rubber composition, and rubber product produced by using the rubber composition

An inventive rubber composition contains a rubber component including EPDM, a peroxide crosslinking agent, a white filler, and not less than 0.1 part by mass of a quaternary ammonium salt based on 100 parts by mass of the rubber component. An inventive molded rubber product (1) is made from the... Sumitomo Rubber Industries Ltd

10/05/17 / #20170288225

Positive-electrode active material for lithium-ion secondary battery, positive electrode and lithium-ion secondary battery

An object of the present invention is to provide a novel sulfur-based positive electrode active material for a lithium-ion secondary battery which is excellent in cyclability and can largely improve a charging and discharging capacity, a positive electrode comprising the positive electrode active material and a lithium-ion secondary battery made... Sumitomo Rubber Industries Ltd

09/28/17 / #20170274707

Pneumatic tire and manufacturing pneumatic tire

A pneumatic tire excellent in high speed stability and turning ability is provided. In a band of a tire, a center portion located in an axial center has a helically wound structure in which a first band body including a first cord is wound. A shoulder portion located on an... Sumitomo Rubber Industries Ltd

09/28/17 / #20170274605

Cap unit for puncture repair

A cap unit for puncture repair comprises a check valve 6 for preventing a backflow of a puncture repair liquid supplied from a bottle container 2. The check valve 6 is disposed in a first flow path 3 used for taking compressed air from a compressor 8 into a bottle... Sumitomo Rubber Industries Ltd

09/28/17 / #20170274710

Pneumatic tire

In the tire 2, fillers 10 are layered over clinches 8 in portions outward of a carcass 14 in the axial direction. A carcass ply 50 is turned up around cores 44. Turned-up portions 50a are disposed between the fillers 10 and apexes 46. Each clinch 8 has a maximum... Sumitomo Rubber Industries Ltd

09/28/17 / #20170275886

Portable slope

A portable slope comprising at least a plate member and a first reinforcing part, and configured in a manner such that the first reinforcing part extends in the longitudinal direction of the slope, a hollow part is formed between the plate member and the first reinforcing part, the shape of... Sumitomo Rubber Industries Ltd

09/21/17 / #20170266386

Medical syringe, gasket for use in the syringe, and using the syringe

A laminated gasket to be inserted in a syringe barrel prevents leakage of a highly permeable liquid drug which may otherwise occur when an inert film of the gasket does not intimately contact an inner wall of the syringe barrel. The laminated gasket has a circumferential surface portion , a... Sumitomo Rubber Industries Ltd

Patent Packs
09/21/17 / #20170267027

Pneumatic tire

The present invention provides a pneumatic tire that achieves a balanced improvement in fuel economy, wet grip performance, handling stability, abrasion resistance, fatigue resistance, and tensile strength. The present invention relates to a pneumatic tire including a tread formed from a rubber composition, the rubber composition having after vulcanization rubber... Sumitomo Rubber Industries Ltd

09/21/17 / #20170267029

Pneumatic tire

A pneumatic tire whose position when mounted on a vehicle is specified so that the tread portion 2 has an outside tread edge Te1 and an inside tread edge Te2. The tread portion 2 comprises an outside land region 4A provided with first sipes 10 extending across the entire width... Sumitomo Rubber Industries Ltd

09/21/17 / #20170267031

Pneumatic tire

A pneumatic tire includes a tread having a shoulder main groove, and a center main groove such that the tread is divided into a shoulder land portion and a middle land portion between the shoulder main groove and center main groove. The shoulder and center main grooves are formed such... Sumitomo Rubber Industries Ltd

09/21/17 / #20170267034

Pneumatic tire

A pneumatic tire comprises a sidewall portion provided in its radially outer region B with side protectors protruding axially outwardly from the outer surface Ba of the radially outer region B. The side protectors are arranged in the tire circumferential direction at intervals so that grooved portions are formed between... Sumitomo Rubber Industries Ltd

09/21/17 / #20170268494

Fluororubber tube

A fluororubber tube is provided, which is formed from a rubber composition containing a fluororubber, and not less than 3.8 parts by mass and not greater than 4.1 parts by mass of a polyol crosslinking agent and not less than 3 parts by mass and not greater than 7 parts... Sumitomo Rubber Industries Ltd

09/14/17 / #20170259623

Pneumatic tire

A pneumatic tire with a pair of sidewall portions, which comprises at least one of said sidewall portions with a radially outer region being radially outside than a tire maximum width position of its outer surface, the radially outer region being provided with a serration pattern, the serration pattern comprising... Sumitomo Rubber Industries Ltd

09/14/17 / #20170259624

Pneumatic tire

A pneumatic tire 1 comprises a sidewall portion 3 provided with a side protector 9 protruding from a contour line S of the sidewall portion. The side protector 9 is composed of first protector blocks 11 arranged in the tire circumferential direction at intervals and second protector ribs 12 connecting... Sumitomo Rubber Industries Ltd

09/14/17 / #20170260373

Rubber composition for tire, and pneumatic tire

wherein R2 and R3 are the same or different and each represent a C6-C26 hydrocarbon group, and e represents an integer.... Sumitomo Rubber Industries Ltd

09/14/17 / #20170261134

Rubber tube, and producing the same

A rubber tube has an inner surface at least partly roughed so that the ratio (Rz/D) of the maximum height Rz of the inner surface to the inner diameter D of the tube is not less than 0.038. The ratio (Rp/D) of the maximum peak height Rp of the inner... Sumitomo Rubber Industries Ltd

09/07/17 / #20170253086

Pneumatic tire

A pneumatic tire comprises a tread portion 2 having an outside tread edge Teo and an inside tread edge Tei to be positioned outside and inside, respectively, with respect to a vehicle. The tread portion 2 is axially divided into land regions 4 by four main grooves 3 including an... Sumitomo Rubber Industries Ltd

09/07/17 / #20170253088

Tire

A tire includes a tread having a crown main groove and shoulder main grooves extending in the tire circumferential direction. The crown groove has crown long side portions and crown short side portions inclined in the opposite directions and alternately formed in a zigzag shape extending in the tire circumferential... Sumitomo Rubber Industries Ltd

09/07/17 / #20170253090

Pneumatic tire

A pneumatic tire comprises a tread portion 2 provided with a circumferential land region 6 provided with a plurality of combined sipes 35 (36, 37). The combined sipes 35 (36, 37) are each composed of a straight portion 34 extending from one edge toward the other edge of the circumferential... Sumitomo Rubber Industries Ltd

09/07/17 / #20170253728

Rubber composition for treads and pneumatic tire

Provided are: a rubber composition for treads which contains a diene rubber in the rubber component and can simultaneously achieve blowing resistance during dry running, wet grip performance and abrasion resistance; and a pneumatic tire including a tread formed from the rubber composition for treads. The rubber composition contains: a... Sumitomo Rubber Industries Ltd

09/07/17 / #20170253730

High performance tire

Provided is a high performance tire including a tread formed from a rubber composition which achieves a balanced improvement in grip performance, abrasion resistance, and processability. The present invention relates to a high performance tire including a tread formed from a rubber composition, the rubber composition containing: a rubber component... Sumitomo Rubber Industries Ltd

08/31/17 / #20170246517

Iron type golf club head

A head 2 includes a face surface 4, a back surface 6, and a sole surface 8. The back surface 6 includes a top side region Rt and a sole side region Rs. The sole side region Rs includes a sole side inclination surface Sb1 inclined to increase a face... Sumitomo Rubber Industries Ltd

Patent Packs
08/31/17 / #20170246910

Pneumatic tire

A pneumatic tire is provided in the tread portion 2 with a belt 7 comprising a radially outermost first belt ply 7A and a radially inner second belt ply 7B each composed of belt cords 7C, and a band 8 thereon comprising a band ply 8A compound of a band... Sumitomo Rubber Industries Ltd

08/24/17 / #20170239993

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... Sumitomo Rubber Industries Ltd

08/24/17 / #20170240724

Pneumatic tire and producing pneumatic tire

Provided is a pneumatic tire having well-improved fuel economy, rubber tensile strength, and abrasion resistance while maintaining adequate productivity. The present invention relates to a pneumatic tire formed from a rubber composition, the rubber composition containing a hydrogenated copolymer and a sulfur donor, the hydrogenated copolymer containing a structural unit... Sumitomo Rubber Industries Ltd

08/24/17 / #20170240731

Pneumatic tire

Provided is a pneumatic tire that shows a balanced improvement in fuel economy, rubber tensile strength, abrasion resistance, tear properties, heat resistance, and ozone resistance. The present invention relates to a pneumatic tire formed from a rubber composition, the rubber composition containing a first polymer and a second polymer, the... Sumitomo Rubber Industries Ltd

08/24/17 / #20170240732

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 modified conjugated diene polymer and silica, (b) a step of preparing a master batch comprising an isoprene rubber and silica, (c) a step of kneading the... Sumitomo Rubber Industries Ltd

08/17/17 / #20170231162

Method for cultivating plants of asteraceae family

The present invention provides a method for cultivating plants of the Asteraceae family, which promotes flower bud formation in the reproductive phase. The present invention relates to a method for cultivating plants of the Asteraceae family, wherein the cultivation temperature in the reproductive phase is set lower by at least... Sumitomo Rubber Industries Ltd

08/17/17 / #20170232800

Pneumatic tire

A pneumatic tire 1 is provided in a tread portion 2 with a circumferential land region 6 provided with transverse sipes 15 extending across the entire width of the circumferential land region. Each of the transverse sipes 15 comprises an arc-shaped first portion 18 convexed toward one side in the... Sumitomo Rubber Industries Ltd

08/17/17 / #20170233545

Pneumatic tire

The present invention provides a pneumatic tire having improved rubber tensile strength, fuel economy, and handling stability. The present invention relates to a pneumatic tire formed from a rubber composition, the rubber composition containing: a hydrogenated copolymer obtained by copolymerization of an aromatic vinyl compound and a conjugated diene compound,... Sumitomo Rubber Industries Ltd

08/17/17 / #20170233562

Pneumatic tire

The present invention provides a pneumatic tire having well-improved rubber tensile strength and abrasion resistance. The present invention relates to a pneumatic tire formed from a rubber composition, the rubber composition containing: a hydrogenated copolymer obtained by copolymerization of an aromatic vinyl compound and a conjugated diene compound, the hydrogenated... Sumitomo Rubber Industries Ltd

08/10/17 / #20170225512

Production rubber composition for tire and tire

According to a production method of a rubber composition for tire of the present invention comprising a rubber component (A) comprising at least one selected from the group consisting of a natural rubber and a synthetic diene rubber, a filler, a coupling agent (D) of (CpH2p+1O)3—Si—(CH2)q—S—CO—CkH2k+1, and a vulcanizing agent... Sumitomo Rubber Industries Ltd

08/10/17 / #20170225514

Tire

A tire includes a tread portion provided with a first main groove disposed between the tire equator and a tread edge and extending continuously in the tire circumferential direction; outward transverse grooves extending axially outwardly from the first main groove; and inward transverse grooves extending axially inwardly from the first... Sumitomo Rubber Industries Ltd

08/10/17 / #20170225522

Pneumatic tire

A rim protector 40 of a tire 2 projects from a reference surface 44 of each side piece 38. The rim protector 40 has a first inclined surface 50 and a second inclined surface 52. A profile of the reference surface 44 includes an outer circular arc and an inner... Sumitomo Rubber Industries Ltd

08/10/17 / #20170225523

Pneumatic tire

In a tire 2, load support layers 20 extend, in portions inward of a carcass 10, from portions inward of beads 8, respectively, in the axial direction to portions inward of a tread in the radial direction. When a reference point P represents a point, on an outer surface of... Sumitomo Rubber Industries Ltd

08/10/17 / #20170226233

Pneumatic tire

The present invention provides a pneumatic tire having well-improved rubber tensile strength and abrasion resistance while maintaining or improving good fuel economy. The present invention relates to a pneumatic tire formed from a rubber composition, the rubber composition containing: a hydrogenated copolymer obtained by copolymerization of an aromatic vinyl compound... Sumitomo Rubber Industries Ltd

08/10/17 / #20170226325

Pneumatic tire

The present invention provides a pneumatic tire with well improved fuel economy, rubber tensile strength, and abrasion resistance. The present invention relates to a pneumatic tire formed from a rubber composition, the rubber composition containing: a hydrogenated copolymer obtained by copolymerization of an aromatic vinyl compound and a conjugated diene... Sumitomo Rubber Industries Ltd

08/10/17 / #20170226331

Pneumatic tire

The present invention provides a pneumatic tire having improved rubber tensile strength, abrasion resistance, and wet-grip performance while maintaining good fuel economy. The present invention relates to a pneumatic tire containing: a hydrogenated copolymer obtained by copolymerization of an aromatic vinyl compound and a conjugated diene compound, the hydrogenated copolymer... Sumitomo Rubber Industries Ltd

08/03/17 / #20170217257

Pneumatic tire

In a tire 2 of the present invention, sidewalls 6 each include an outer layer 6a, and an inner layer 6b disposed inward of the outer layer 6a in the axial direction. A loss tangent of the inner layer 6b is less than a loss tangent of the outer layer... Sumitomo Rubber Industries Ltd

08/03/17 / #20170217258

Pneumatic tire

In a tire 2 of the present invention, sidewalls 6 each include an outer layer 6a, and an inner layer 6b disposed inward of the outer layer 6a in the axial direction. The inner side end, in the radial direction, of the inner layer 6a extends to a region between... Sumitomo Rubber Industries Ltd

08/03/17 / #20170218170

Rubber composition and tire

A rubber composition comprising silica that has a BET specific surface area of not more than 130 m2/g and hardness of granulated particles as measured based on JIS K6221-1982 6.3.3 of not less than 23.5 cN can provide a rubber composition which is excellent in rubber physical properties while maintaining... Sumitomo Rubber Industries Ltd

07/27/17 / #20170210175

Tire

A tire is provided in a first half-tread portion with a first shoulder main groove and a first shoulder land region 4D and a first middle land region 4B on the axially outside and axially inside thereof, respectively. The first shoulder land region 4D is divided into first shoulder blocks... Sumitomo Rubber Industries Ltd

07/27/17 / #20170210176

Pneumatic tire

A pneumatic tire comprises a tread portion 2 provided with at least one circumferentially continuously extending main groove 3. The main groove 3 has a zigzag periodical pattern formed by circumferentially repeatedly arranging a first oblique segment 11 and a second oblique segment 12 as a repeating unit which define... Sumitomo Rubber Industries Ltd

07/27/17 / #20170210177

Pneumatic tire

A pneumatic tire includes a tread having main grooves extending in circumferential direction, and land portions partitioned by the main grooves. The main grooves include a pair of shoulder main grooves on tread edge sides, the land portions include a pair of shoulder ribs between the shoulder grooves and tread... Sumitomo Rubber Industries Ltd

07/27/17 / #20170210182

Pneumatic tire

A pneumatic tire includes sidewall portions, at least one of which is provided in the outer surface thereof with an axially outwardly protruding protector. The protector is composed of patterned unit protrusions arranged at intervals in the tire circumferential direction. Each patterned unit protrusion includes a first protruding portion and... Sumitomo Rubber Industries Ltd

07/27/17 / #20170210881

Rubber composition and pneumatic tire

Provided is a rubber composition that can improve hysteresis loss to allow for simultaneous improvement in initial grip performance and stable grip performance during mid and late running while ensuring good abrasion resistance. The present invention relates to a rubber composition containing: a rubber component; sulfur; and a specific compound,... Sumitomo Rubber Industries Ltd








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