| Bridgestone Corporation Patent applications |
| Patent application number | Title | Published |
|---|
| 20160137513 | SILICON CARBIDE POWDER - The present invention is a silicon carbide powder which is suitable for producing a high-strength silicon carbide sintered body, wherein: the molar ratio between carbon and silicon in a mixture containing a silicon source, a carbon source, and a catalyst is 2.5 or more; and the average particle diameter is 10 μm or more and 25 μm or less. | 05-19-2016 |
| 20160137512 | SILICON CARBIDE POWDER - The present invention is a silicon carbide powder with which it is possible to obtain favorable results in terms of the reaction performance of carbon and silicon, the amount of free carbon (FC), and the yield of the silicon carbide powder. In a mixture containing a silicon source, a carbon source, and a catalyst, the silicon source is methyl silicate; and when the mixture is 100 weight %, the weight % of the carbon source is 33 weight % or more and 39 weight % or less, the weight % of silicon source is 55 weight % or more and 62 weight % or less, and the weight % of the catalyst is 3 weight % or more and 10 weight % or less. | 05-19-2016 |
| 20160137006 | TIRE - A tire includes a plurality of land portions defined by a plurality of circumferential grooves, and each of the plurality of land portions has a plurality of lateral grooves crossing the land portion. Each of the plurality of lateral grooves is made up of a center region extending at an angle of inclination relative to a tread width direction and side regions extending at a smaller angle of inclination relative to the tread width direction than the center region, the side regions increasing in groove width toward the respective circumferential grooves. Each of the plurality of lateral grooves has a sipe having, only in the center region, a shallow portion with a smaller depth, the shallow portion being located at least near a boundary part between the center region and each of the side regions with a starting point of the shallow portion being apart from the boundary part. | 05-19-2016 |
| 20160131554 | TIRE PERFORMANCE TESTING APPARATUS - A tire performance testing apparatus capable of reproducing conditions in which tire runs on actual road having a pothole, that is, conditions in which tire hits projection after moving in the air. The tire performance testing apparatus includes a tire running surface, a projection installing surface disposed on the front side of the end of the tire running surface in the traveling direction of a vehicle traveling on the tire running surface and positioned lower than the end of the tire running surface, and a projection disposed on the projection installing surface in such a manner as to protrude upward from the projection installing surface. And the distance between the end of the tire running surface and the projection is so set that the tire of a vehicle traveling on the tire running surface hits the projection after getting airborne away from the end of the tire running surface. | 05-12-2016 |
| 20160131219 | ANTI-VIBRATION APPARATUS - An anti-vibration apparatus ( | 05-12-2016 |
| 20160130429 | HOSE RUBBER COMPOSITION AND HOSE - A hose rubber composition and hose having improved crack resistance while ensuring flame retardance are provided. The hose rubber composition includes: a rubber component including 70 parts by mass or more chloroprene rubber in 100 parts by mass the rubber component; and 45 parts to 65 parts by mass carbon black with respect to 100 parts by mass the rubber component, wherein the carbon black has an iodine adsorption number of 20 mg/g to 100 mg/g, and a DBP oil absorption number of 50 mL/100 g to 150 mL/100 g. | 05-12-2016 |
| 20160130417 | RUBBER COMPOSITION - Provide is a rubber composition which is improved in rolling resistance and abrasion resistance at the same time without reducing a wet grip performance, and the rubber composition is prepared by compounding 100 parts by mass of a rubber component containing 30% by mass or more of polyisoprene with 2 to 200 parts by mass of carbon black having a hydrogen release rate of 0.2% by mass or more and/or a ratio of a nitrogen adsorption specific surface area N | 05-12-2016 |
| 20160122944 | STEEL CORD-RUBBER COMPOSITE - Provide are a rubber composition which is excellent in an initial adhesive property and a hygrothermal adhesive property with metals, a rubber-metal composite suited to rubber articles such as tires for automobiles, industrial belts and the like to which a strength is required, and a production method for the same. The metal cord-rubber composite of the present invention is prepared by coating a metal cord with a rubber composition, wherein an N atom on a surface of the metal cord accounts for 2 atomic % or more and 60 atomic % or less, and a Cu/Zn ratio is 1 or more and 4 or less. | 05-05-2016 |
| 20160122519 | RUBBER COMPOSITION, CONVEYOR BELT RUBBER COMPOSITION, CONVEYOR BELT, AND BELT CONVEYOR DEVICE - A rubber composition that can improve the productivity of a conveyor belt, belt conveyor device, or the like without impairing its energy saving performance and a conveyor belt and belt conveyor device that have both high productivity and high energy saving performance are provided. The rubber composition includes a diene polymer, a citraconimide compound, a hydrazone compound, and a vulcanization accelerator. | 05-05-2016 |
| 20160121664 | RUN-FLAT TIRE - A run-flat tire ensures run-flat durability with a reduced weight. A tire radial outermost carcass ply of two or more carcass plies has tire widthwise inner ends in a crown portion. A bead filler and side reinforcing rubber have an overlapping part in the tire width direction. In a cross section of the run-flat tire in the tire width direction in a state where the run-flat tire is attached to an applicable rim, filled to a specified internal pressure, and placed under no load, a thickness d1 of a sidewall portion at a midpoint in the tire radial direction between a maximum width position of the run-flat tire and a tire radial outermost position of a bead core is greater than a thickness d2 of the sidewall portion at a midpoint in the tire radial direction between the maximum width position of the run-flat tire and a tread edge. | 05-05-2016 |
| 20160121662 | RUN FLAT TIRE - We provide a run flat tire capable of ensuring high resistance to coming off of a bead portion from a rim in run flat running, while maintaining high durability of a side-reinforcing rubber. Specifically, a run flat tire, has a tread portion, a pair of sidewall portions continuous with respective sides of the tread portion, bead portions continuous with the respective sidewall portions, bead cores each embedded in the corresponding bead portion, and a side-reinforcing rubber having a crescent-shaped cross section and provided in each sidewall portion, wherein in a cross section in the tire width direction thereof: diameter of an annular inner end in the tire radial direction of the bead core is larger by 3.0-4.5 mm than rim diameter of a prescribed rim; and diameter of a circle collectively formed by the bead heal point is smaller by 1.7-2.9 mm than the rim diameter of the prescribed rim. | 05-05-2016 |
| 20160121661 | TIRE | 05-05-2016 |
| 20160121660 | TIRE AND TIRE PRINT METHOD | 05-05-2016 |
| 20160121568 | CARCASS BAND FORMING DEVICE AND CARCASS BAND FORMING METHOD - A space required for forming a cylindrical carcass band is reduced and productivity of carcass band forming is improved. | 05-05-2016 |
| 20160115296 | TIRE RUBBER COMPOSITION AND MANUFACTURING METHOD THEREFOR - The present invention provides a tire rubber composition prepared by mixing at least one rubber component selected from natural rubbers and synthetic diene rubbers (A), a filler including an inorganic filler (B), a silane coupling agent (C) and a thiosemicarbazone derivative (D), and provides a production method for a tire rubber composition, wherein the tire rubber composition is kneaded in plural stages, and in the first stage of kneading, the rubber component (A), all or part of the inorganic filler (B), all or part of the silane coupling agent (C), and the thiosemicarbazone derivative (D) are kneaded, therefore providing a tire rubber composition having improved reactivity between the coupling agent and the rubber component and excellent in low-heat-generation property and a production method for the composition. | 04-28-2016 |
| 20160114630 | PNEUMATIC TIRE - A pneumatic tire includes: a plurality of land portions; and in at least one land portion of the plurality of land portions, a sipe extending in the tread width direction, of which ends open at the circumferential grooves or the tread ends. The sipe has at least one bent portion extending continuously in the extending direction of the sipe from one of the end regions of the sipe to the other end region in the depth direction of the sipe. The at least one bent portion is located on the outer side in the tire radial direction in the center region than in the end regions. | 04-28-2016 |
| 20160114629 | TIRE - This tire ( | 04-28-2016 |
| 20160113405 | POLYURETHANE FOAM FOR SEAT PAD - A polyurethane foam for a seat pad that simultaneously achieves higher levels of shakiness-reducing properties and stress relaxation-reducing properties, thus providing good ride comfort, and is excellent in durability, and a seat pad using the polyurethane foam are provided. Specifically, the polyurethane foam for a seat pad is formed by foam-molding a foaming liquid containing (A) a polyol component, (B) a polyisocyanate component, and (C) a crosslinking agent. | 04-28-2016 |
| 20160109331 | TIRE CONTACT STATE ESTIMATION METHOD - A tire contact state estimation method includes: an information acquisition step of acquiring information of the tire; a correlation strength calculation step of calculating a first correlation strength between the rotational velocity and the braking and driving force, and also calculating a second correlation strength between the slip angle and the generated lateral force; a change detection step of detecting whether the first correlation strength has increased or decreased by a first threshold or more with respect to a predetermined first reference value, and also detecting whether the second correlation strength has increased or decreased by a second threshold or more with respect to a predetermined second reference value; and an estimation step of estimating at least two of the following: a condition of a road surface in contact with the tire, a tire internal pressure state, and a tire abrasion state. | 04-21-2016 |
| 20160107489 | RUN FLAT TIRE - We provide a run flat tire capable of ensuring high resistance to coming off of a bead portion from a rim in run flat running, while maintaining high durability of a side-reinforcing rubber. Specifically, a run flat tire, has a tread portion, a pair of sidewall portions continuous with respective sides of the tread portion, bead portions continuous with the respective sidewall portions, and a side-reinforcing rubber having a crescent-shaped cross section and provided in each sidewall portion, wherein in a cross section in the tire width direction thereof: diameter of a circle collectively formed by the bead heal point is smaller by 1.7-2.9 mm than rim diameter of a prescribed rim; and a line linking the bead heal point and the bead toe point of the bead portion is inclined by an angle of 12.2°-14.7° with respect to the tire width direction. | 04-21-2016 |
| 20160102728 | VIBRATION DAMPING DEVICE - A vibration damping device includes a first cylindrical attachment member ( | 04-14-2016 |
| 20160101650 | RUBBER COMPOSITION AND TIRE USING SAME - Provided is a rubber composition containing a high layered or sheet clay mineral content, wherein the dispersion of the stratified or tabular clay minerals is improved, thus reducing air permeability and improving flex resistance. Also provided is a tire using said rubber composition. An example of the aforementioned rubber composition is a rubber composition containing a rubber component (A), a layered or sheet clay mineral (B), and a glycerin fatty acid ester composition (C). | 04-14-2016 |
| 20160089806 | METHOD AND APPARATUS FOR MEASURING PROTRUSION LENGTH OF PROTRUSION PORTION - Method and apparatus for measuring a protrusion length of a protrusion portion on each side of sheet after cutting even when there is variation in positions of cords embedded in the sheet, apparatus with imaging unit that images cross-sectional profile in width direction of sheet including protrusion portions, and generates waveform data from imaging of cross-sectional profile, detect maximum height-positions of crests and of troughs of waveform data, set, based on waveform data, a maximum height-position of crest closest to width end of sheet as maximum height-position of end crest, set a position corresponding to an edge of protrusion portion of sheet, located on more width end side than maximum height-position of end crest, as minimum height-position of a terminal trough, detect distance in width direction of sheet between maximum height-position of end crest and of the terminal trough, and measure protrusion length of protrusion portion based on detected distance. | 03-31-2016 |
| 20160087130 | COMPOSITION FOR SOLAR CELL SEALING FILM, METHOD FOR PRODUCING SAME AND SOLAR CELL SEALING FILM - The present invention provides a composition for a solar cell sealing film prepared by mixing an ethylene-α-olefin copolymer (m-LLDPE) polymerized using a metallocene catalyst and other polymers as resin components, wherein the composition has the same processability as a composition containing m-LLDPE alone and provides a solar cell sealing film having the same transparency as the case where m-LLDPE is used alone. A composition for a solar cell sealing film comprising m-LLDPE and low-density polyethylene (LDPE), wherein the weight average molecular weight of m-LLDPE (M | 03-24-2016 |
| 20160081265 | Guayule Harvester And Related Processes - Disclosed herein is a harvester for harvesting guayule shrubs from the soil in which they are grown. The harvester can include a wheeled frame, a pair of laterally spaced sidewalls on the frame, a front conveyor positioned between the pair of laterally spaced sidewalls, a forward projecting digger blade positioned forward of the front conveyor, and an agitator for separating residual soil from uprooted guayule shrubs. Also disclosed are related processes for harvesting guayule shrubs using the harvester. | 03-24-2016 |
| 20160075185 | PNEUMATIC TIRE - This disclosure aims to provide a pneumatic tire having improved noise reduction performance exhibited by a resonator. The pneumatic tire according to this disclosure has at least two circumferential grooves extending continuously on a tread surface, and has a resonator disposed on a land portion partitioned by two circumferential grooves among the circumferential grooves, the resonator having an air chamber opening toward a land portion surface at a position spaced from the circumferential grooves, one a more one-side narrow necks connecting the air chamber to one circumferential groove of the two circumferential grooves, and one or more other-side narrow necks connecting the air chamber to the other circumferential groove, the one-side narrow neck and the other-side narrow neck having cross section areas approximately identical to each other, and an extending length of the one-side narrow neck and an extending length of the other-side narrow neck being different. | 03-17-2016 |
| 20160075184 | PNEUMATIC TIRE - A pneumatic tire includes, in an inner land ( | 03-17-2016 |
| 20160075182 | TIRE | 03-17-2016 |
| 20160068030 | PNEUMATIC TIRE - A pneumatic tire, having short fibers fixedly attached to at least a portion of an inner surface thereof, wherein: provided that the average cross sectional area of a cross section, not in contact with the inner surface of the tire, of one short fiber is “A” (mm | 03-10-2016 |
| 20160068028 | TIRE AND TIRE MANUFACTURING METHOD - A tire is provided suppressing air incorporation and raising durability without a detrimental effect on running performance. The tire | 03-10-2016 |
| 20160068025 | PNEUMATIC RADIAL TIRE FOR AGRICULTURAL VEHICLE - This pneumatic radial tire for agricultural vehicles includes lugs arranged alternately, in the tread circumferential direction, in tread width direction halves, and at least one protrusion on a wall at a trailing edge side of each lug, protruding from the wall in an opposite direction from a designated tire rotation direction, connecting to the bottom of a lug groove, and including an upper face orthogonal to the tire radial direction. A line M connects a tread width direction innermost point P of the wall at the trailing edge side of a first lug and a point Q ⅓ of a peripheral length of the wall away. The protrusion of a second lug positioned on the opposite tread width direction half from the first lug and adjacent to the first lug in the designated tire rotation direction is positioned on the tread width direction inner side of the line M. | 03-10-2016 |
| 20160068019 | AIRCRAFT PNEUMATIC TIRE - An object is to improve durability without increasing the tire mass. | 03-10-2016 |
| 20160067934 | TIRE MOLD AND TIRE - A tire mold and tire reduce manufacturing and facilities costs and improve appearance of a product tire. The tire mold includes a tread molding body that molds a tread surface of a tire and is formed by pieces aligned in a circumferential direction of the mold. The tread molding body includes, on a mold face thereof, groove forming protrusions that form grooves on the tread surface and land forming recesses that form land portions on the tread surface and are surrounded by the groove forming protrusions. In a development view in which the pieces are connected, an air release gap in communication with the mold face of the pieces is provided along a boundary line between the pieces. At least one boundary line cuts across a plurality of the land forming recesses. Each boundary line extends through a bend, and the bend is positioned in the groove forming protrusions. | 03-10-2016 |
| 20160059635 | TIRE - A tire with a tread to which foamed rubber is applied that stably exhibits excellent on-ice performance, which is a combination of braking performance and driving performance of a tire, on the ice road surface from the beginning of its use is provided. The tire includes, in a tread thereof, a surface rubber layer forming at least a ground contact surface of the tread and an inner rubber layer that is adjacent to the inward of the surface rubber layer in the tire radial direction and is formed of foamed rubber, and the elastic modulus of rubber of the surface rubber layer M | 03-03-2016 |
| 20160059631 | PNEUMATIC TIRE - A pneumatic tire including: on a tread of the tire, inclined belt layer and circumferential belt layer; and on the tread surface, a plurality of circumferential grooves extending in the tread circumferential direction, and shoulder land portions partitioned between the circumferential grooves located outermost in the tire width direction and tread ground contact ends. Positions of the tread surface that correspond to the outermost ends of the circumferential belt layer in the tire width direction are within the shoulder land portions, and the distance in the tire width direction between the outermost ends in the tire width direction of the circumferential belt layer and tire equator side ends of the shoulder land portions is 12% or more and 22% or less of a half of the width of the circumferential belt layer in tire width direction. | 03-03-2016 |
| 20160059501 | TIRE MANUFACTURING METHOD - A tire manufacturing method in which a vulcanizing mold ( | 03-03-2016 |
| 20160053846 | VIBRATION ISOLATOR - A vibration isolator includes a partition member ( | 02-25-2016 |
| 20160053845 | VIBRATION ISOLATOR - A vibration isolator ( | 02-25-2016 |
| 20160053844 | VIBRATION ISOLATOR - A vibration isolator includes: a first mounting member ( | 02-25-2016 |
| 20160053098 | RUBBER COMPOSITION AND TIRE USING THE SAME - Provide are a rubber composition for tire which is excellent in a wet grip performance and abrasion resistance and which has small rolling resistance and a low fuel consumption, and a tire prepared by using the above rubber composition. The rubber composition is prepared by compounding 100 parts by mass of a rubber component comprising a styrene-butadiene rubber or a styrene-butadiene rubber and a butadiene rubber with 2 to 200 parts by mass of carbon black as a reinforcing filler, wherein the carbon black has at least a hydrogen release rate of 0.2% by mass or more and/or a ratio N | 02-25-2016 |
| 20160046764 | TIRE - A tire includes a circular tire frame formed of a resin material, the resin material including a polyamide-based thermoplastic elastomer having a weight average molecular weight of from 15,700 to 75,000. | 02-18-2016 |
| 20160039958 | Polymers Functionalized With Heterocyclic Imines - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with an imine compound containing a heterocyclic group and a hydrocarbyloxy-substituted or silyloxy-substituted aryl group. | 02-11-2016 |
| 20160033000 | VIBRATIONPROOF DEVICE - A vibrationproof device which is a liquid sealed vibrationproof device includes a tubular first mounting member ( | 02-04-2016 |
| 20160032086 | RUBBER COMPOSITION, METHOD FOR MANUFACTURING SAME, VULCANIZED RUBBER, AND TIRE - Provided are a rubber composition provided with excellent reinforcement properties by improving the dispersibility of fibers in a rubber component when the fibers are added to the rubber, a method for manufacturing the same, a vulcanized rubber, and a tire. A rubber composition comprising a rubber component and short fibers, wherein the short fibers are cationized. A method for manufacturing the rubber composition, comprising a mixing step for mixing cationized short fibers and rubber latex to prepare a rubber-short fiber mixed solution, and a drying step for drying the rubber-short fiber mixed solution to give a rubber composition. | 02-04-2016 |
| 20160031172 | METHOD AND APPARATUS FOR CORRECTING SHAPE OF GREEN TIRE - Apparatus and method for correcting the shape of a green tire configured so that, even if a side wall portion (S) is subjected to local crushing deformation during its temporary storage, such deformation is effectively corrected to easily improve the tire uniformity. A pressurized fluid is applied to an inner chamber of a green tire (G) having bead portions (B) held coaxially by upper and lower holders ( | 02-04-2016 |
| 20160025182 | LIQUID-SEALED ANTI-VIBRATION DEVICE AND METHOD FOR MANUFACTURING THE SAME - A liquid-sealed anti-vibration device comprising: an inner tube ( | 01-28-2016 |
| 20160023520 | PNEUMATIC TIRE - A pneumatic tire includes a narrow groove on a tread surface, inclined from the tire circumferential direction, groove width being smaller than groove depth, and an air inflow part opening to the tread surface and formed on one of the opposing groove walls. At least one end of the narrow groove is a terminal end. The air inflow part is disposed at the terminal end of the narrow groove, and in a development plan view of the tread surface, ∠XOY is an acute angle, where O is an intersection between a widthwise center line of the air inflow part and a groove widthwise center line of the narrow groove, X is a terminal endpoint of the air inflow part along the widthwise center line of the air inflow part, and Y is a lengthwise center point of the narrow groove along the groove widthwise center line. | 01-28-2016 |
| 20160023519 | PNEUMATIC TIRE - A pneumatic tire can improve the heat dissipation effect in the tread portion while guaranteeing land portion rigidity and can also suppress degradation of the heat dissipation effect. The pneumatic tire includes a narrow groove ( | 01-28-2016 |
| 20160023518 | PNEUMATIC TIRE - Provided is a pneumatic tire being improved in heat dissipation effect in the tread portion while being ensured in rigidity of the land portion. A narrow groove ( | 01-28-2016 |
| 20160023514 | PNEUMATIC RADIAL TIRE FOR PASSENGER VEHICLE - A pneumatic radial tire for a passenger vehicle, having a carcass constituted of a carcass ply provided to extend in a toroidal shape across a pair of bead portions and a tread rubber provided on the outer side in the tire radial direction of the carcass, wherein: | 01-28-2016 |
| 20160018751 | ROLLER, METHOD FOR MANUFACTURING SAME AND IMAGE FORMING DEVICE USING SAME - Provided are a roller capable of suppressing the generation of cutting waste from the cut surface of a foam layer at the end of the roller in the axial direction thereof, a method of manufacturing especially a conductive roller, and an image forming device using the roller. The roller is provided with a shaft | 01-21-2016 |
| 20160017124 | RUBBER COMPOSITION FOR TIRES AND PNEUMATIC TIRE - Provided is a rubber composition for a tire soft stiffener improved in a crack resistance and a low heat generation, wherein carbon black (A) contained in the rubber shows specific particle size distribution behavior in an aggregate mass distribution curve, and the composition contains at least one compound selected from carbon black coupling agents consisting of bismaleimide (B), alkylidene hydrazide (C), disulfane (D) and carboxylic hydrazide (E), and a heavy-duty tire produced by using the above rubber composition is further provide. | 01-21-2016 |
| 20160017121 | METHOD FOR PRODUCING RUBBER COMPOSITION, AND RUBBER COMPOSITION - We provide a method for producing a rubber composition that includes a rubber component (A) including natural rubber, at least one filler (B) selected from an inorganic filler and carbon black, and a hydrazide compound (C), the method comprising compounding in an optional preliminary compounding stage and a plurality of compounding stages, and adding the hydrazide compound (C) and kneading in the preliminary compounding stage and/or a first compounding stage, the hydrazide compound (C) being represented by general formula (I): R—CONHNH | 01-21-2016 |
| 20160016440 | TIRE - The carcass of this tire ( | 01-21-2016 |
| 20160016439 | TIRE AND TIRE MANUFACTURING METHOD - a tire (pneumatic tire | 01-21-2016 |
| 20160016438 | PNEUMATIC TIRE - Provided is a pneumatic tire being improved in heat dissipation effect in the tread portion while being ensured in rigidity of the land portion. A narrow groove ( | 01-21-2016 |
| 20160016437 | TIRE - This tire improves high traction performance over an extended period of time and/or improves control performance while maintaining traction performance. This tire includes a tread with blocks formed thereon, protrusions ( | 01-21-2016 |
| 20160016434 | MOTORCYCLE PNEUMATIC TIRE - A motorcycle pneumatic tire includes a belt, in a tire tread, including a circumferential belt layer formed by cords extending in the tread circumferential direction and covered by rubber and a width direction belt layer, provided outward in the tire radial direction from the circumferential belt layer, formed by cords extending in the tire width direction and covered by rubber; sections of cushion rubber, provided outward in the tire radial direction from the belt, separated in the tire width direction with the tire equatorial plane therebetween; and base rubber, provided in the area of separation between the sections of cushion rubber or outward in the tire radial direction from the area of separation, having a higher elastic modulus than the cushion rubber. Wn>Wb, where Wn is the length of the area of separation and Wb is the length of the base rubber in a tire width direction cross-section. | 01-21-2016 |
| 20160005901 | METHOD FOR MANUFACTURING SOLAR CELL MODULE AND SOLAR CELL MODULE - Method for manufacturing a solar cell module in which a light-receiving side sealing film | 01-07-2016 |
| 20160001607 | TIRE, AND TIRE MANUFACTURING METHOD - Tire frame step portions | 01-07-2016 |
| 20160001606 | TIRE AND TIRE SURFACE PRINTING METHOD - Provided is a tire and a tire surface printing method which are capable of reducing man-hours and cost required for application of printing on the tire surface. The tire and the tire surface printing method include, on an outer surface of at least one of side portions ( | 01-07-2016 |
| 20160001602 | TIRE - An object of the present invention is to achieve a reduction in weight while securing strength to counter internal pressure in a tire employing a resin material in a tire frame member. | 01-07-2016 |
| 20160001601 | PNEUMATIC SAFETY TIRE - Provided is a pneumatic safety tire in which the durability is improved by improving the compression fatigue property of a carcass ply cord. | 01-07-2016 |
| 20160001512 | MANUFACTURING METHOD OF FINITE CONVEYOR BELT, JOINING METHOD OF FINITE CONVEYOR BELT, MANUFACTURING METHOD OF ENDLESS CONVEYOR BELT, AND CONVEYOR BELT APPARATUS - A manufacturing method of a finite conveyor belt of the present invention includes a laminated body formation step of forming a laminated body ( | 01-07-2016 |
| 20150376378 | RUBBER COMPOSITION, INNER LINER MATERIAL, AND PNEUMATIC TIRE - Provided is a rubber composition having superior gas-barrier properties. More specifically, the rubber composition contains a layered compound and a modified butyl-based rubber having a functional group that interacts with the layered compound. | 12-31-2015 |
| 20150376351 | RUBBER ARTICLE REINFORCING STEEL WIRE AND RUBBER ARTICLE USING SAME - Provided are a rubber article reinforcing steel wire that is superior in bending fatigue properties to the related art and has a flat cross-sectional shape, and a rubber article using the wire. In a rubber article reinforcing steel wire | 12-31-2015 |
| 20150375573 | PNEUMATIC SAFETY TIRE - Provided is a pneumatic safety tire in which the durability is improved by improving the compression fatigue property of a carcass ply cord. | 12-31-2015 |
| 20150375570 | PNEUMATIC TIRE - The pneumatic tire described herein is provided with, in a tread surface, at least two circumferential grooves continuously extending in a tread circumferential direction, and a resonator disposed in a land part defined between two circumferential grooves having different sectional areas of the at least two circumferential grooves, the resonator having an air chamber opened to a land part surface in a position separated away from the circumferential groove, one or more narrowed necks communicating the air chamber with one of the two circumferential grooves, and one or more narrowed necks communicating the air chamber with the other circumferential groove, wherein
| 12-31-2015 |
| 20150372564 | MOUNTING METHOD OF ELECTROMAGNETIC GENERATOR AND TIRE WITH BUILT-IN ELECTROMAGNETIC GENERATOR - When an electromagnetic generator | 12-24-2015 |
| 20150368451 | TYRE INNERLINER COMPOUND - A tyre innerliner compound having a polymer base composed at least partly of butyl rubber and/or halobutyl rubber; a filler system; and a curing system. The filler system has 60 to 80 phr of a silicon-based lamellar mineral filler; and 8 to 30 phr of a carbon black mixture composed of a first carbon black with a nitrogen-absorption-measured surface area of 21 to 39 m | 12-24-2015 |
| 20150368448 | RUBBER COMPOSITION FOR HOSES, AND HOSE - Rubber composition for hoses, containing 80 parts by mass or more of an acrylonitrile butadiene rubber (NBR) in 100 parts by mass of the rubber component, while containing 1-4 parts by mass of a phenolic resin and 1-5 parts by mass of a thiuram compound represented by general formula (1) and serving as a vulcanization accelerator, respectively per 100 parts by mass of the rubber component. This rubber composition is capable of achieving good adhesion to a brass-plated wire and is capable of solving the problems of environmental loads; and this rubber composition is particularly suitable for use as an inner tube rubber for hydraulic pressure hoses. | 12-24-2015 |
| 20150368445 | TYRE HIGH-STIFFNESS COMPOUND - A structural tyre component compound having a cross-linkable, unsaturated-chain polymer base, a reinforcing filler, and curing agents. The compound is composed of a mixture of reinforcing resins, in turn composed of (a) a methylene acceptor resin combined with a methylene donor compound, and (b) a hydrazide-derived resin. The reinforcing filler is composed of a mixture of 20 to 80% by weight of carbon black with a hydrogen-absorption-measured surface area (N2SA) of 100 to 150 m | 12-24-2015 |
| 20150368388 | PHOTOCURABLE ELASTOMER COMPOSITION, SEAL MATERIAL, GASKET FOR HARD DISC DRIVE, HARD DISC DRIVE AND APPARATUS - A photocurable elastomer composition comprising: (A) a liquid polymer having a number average molecular weight of 5,000 or more, and mainly containing —[CH | 12-24-2015 |
| 20150368383 | ISOPRENE POLYMERIZATION CATALYST COMPOSITION, METHOD FOR PRODUCING SYNTHETIC POLYISOPRENE, AND SYNTHETIC POLYISOPRENE - An isoprene polymerization catalyst composition includes: Component (a): a rare earth element compound having a rare earth element-oxygen bond or a rare earth element-sulfur bond; Component (b): an ionic compound; and Component (c): at least one compound selected from the group consisting of a compound of formula (X): YR | 12-24-2015 |
| 20150368382 | POLYMERIZATION CATALYST COMPOSITION, METHOD FOR PRODUCING SYNTHETIC POLYISOPRENE, AND SYNTHETIC POLYISOPRENE - The polymerization catalyst composition includes: Component (A): a rare earth element compound of formula (i): M-(NQ | 12-24-2015 |
| 20150367696 | ANTI-VIBRATION DEVICE - An anti-vibration device includes: an inner cylinder connected to one of a vibration generating portion and a vibration receiving portion; an outer cylinder connected to the other one of the vibration generating portion and the vibration receiving portion; an intermediate cylinder pressed in an inner periphery of the outer cylinder; a main elastic body connecting the inner cylinder and the intermediate cylinder; and a stopper elastic body independent of the main elastic body, the stopper elastic body being fixed to the intermediate cylinder and facing, in a direction orthogonal to an axial direction of the inner cylinder, the inner cylinder with at least a cavity in between, the cavity being formed through the main elastic body in the inner cylinder axial direction, wherein the stopper elastic body has an axial stopper portion that protrudes beyond the intermediate cylinder and the outer cylinder in the inner cylinder axial direction. | 12-24-2015 |
| 20150367689 | PNEUMATIC TIRE - The pneumatic tire described herein is provided with, in a tread surface, at least two circumferential grooves continuously extending in a tread circumferential direction, and a resonator disposed in a land part defined between two circumferential grooves having different sectional areas of the at least two circumferential grooves, the resonator having an air chamber opened to a land part surface in a position separated away from the circumferential groove, one or more narrowed necks communicating the air chamber with one of the two circumferential grooves, and one or more narrowed necks communicating the air chamber with the other circumferential groove, wherein
| 12-24-2015 |
| 20150367688 | PNEUMATIC TIRE - A back surface part ( | 12-24-2015 |
| 20150367686 | PNEUMATIC TIRE - A pneumatic tire, including a pair of bead portions, a pair of sidewall portions, and a tread portion, the sidewall portion comprising: a first decorative portion indicating a first mark; and a second decorative portion indicating a second mark and provided on the inner side in the tire radial direction of the first decorative portion such that at least a portion in the tire circumferential direction of the second decorative portion overlaps the first decorative portion in the tire radial direction, wherein brightness of the second mark of the second decorative portion is higher than brightness of the first mark of the first decorative portion, and an area of the second mark of the second decorative portion is smaller than an area of the first mark of the first decorative portion. | 12-24-2015 |
| 20150367684 | PNEUMATIC RADIAL TIRE FOR PASSENGER VEHICLES - A pneumatic radial tire for passenger vehicles. When the tire is fitted on a rim and having an internal pressure of 250 kPa or higher, the section width SW and the outer diameter OD of the tire satisfy a predetermined relationship. A center land row is a rib-shaped land, and has center lug grooves each opening into one of the two circumferential main grooves and terminating within the center land row. Outer land rows are rib-shaped lands, each outer land row having outer lug grooves and outer auxiliary lug grooves. The outer lug grooves each open into a ground contact end in the tire width direction and terminate within the outer land row. The outer auxiliary lug grooves open into the circumferential main groove defining the outer land row, has a groove width smaller than the groove width of the outer lug grooves, and extend in the tread width direction. | 12-24-2015 |
| 20150367587 | TIRE, TIRE MANUFACTURING APPARATUS, AND TIRE MANUFACTURING METHOD - A tire frame member | 12-24-2015 |
| 20150361256 | PHOTOCURABLE ELASTOMER COMPOSITION, GASKET FOR HARD DISK DRIVE, AND HARD DISK DRIVE - Disclosed is a photocurable elastomer composition that exhibits, when cured, excellent flexibility and barrier properties and has low compression set. The photocurable elastomer composition may comprise components (A) to (D) such that the mass ratio of the component (A) to the component (B) ((A):(B)) is from 25:75 to 75:25, and that the content of the component (C) is 50 mass % or less based on the total content of the components (A), (B), and (C). | 12-17-2015 |
| 20150361248 | RUBBER COMPOSITION, AND PNEUMATIC TIRE USING SAME - The invention provides a rubber composition prepared by mixing, per 100 parts by mass of a rubber component comprising at least 50% by mass of a diene-based rubber, from 20 to 150 parts by mass of a filler, and from 0.05 to 30 parts by mass of a compound A which has a specific guanidine structure and has a functional group reactive with the diene-based rubber. The rubber composition improves both a high elastic modulus and a low tan δ. The invention also provides a pneumatic tire using the rubber composition. | 12-17-2015 |
| 20150360520 | PNEUMATIC TIRE FOR MOTORCYCLE - A motorcycle pneumatic tire for travelling over rough terrain, wherein: the tire has a plurality of fin-like projections provided in the tire circumferential direction with intervals therebetween in an outer surface of the sidewall portion such that the fin-like projections each protrude from the outer surface and extend in the tire radial direction; a surface of at least the end portion on the outer side in the tire radial direction of each fin-like projection is formed to have an arcuate configuration protruding toward the tire inner surface side in a cross section in the width direction of the tire; and the arcuate surface of the end portion on the outer side in the tire radial direction of the fin-like projection is smoothly connected to an outer side surface of a shoulder block provided on the outermost side in the tire width direction of the tread portion. | 12-17-2015 |
| 20150360518 | PNEUMATIC TIRE AND METHOD OF PRODUCING THE SAME - Disclosed is a pneumatic tire that includes a tread having a pattern asymmetrical about the tire equatorial plane, and that may reduce cavity resonance and has good steering stability. A pneumatic tire includes a tread portion having a pair of tread halves, the tread halves extending between the tire equatorial plane and respective outer ends in the tire width direction of the tread portion, respectively, and having different negative ratios. The tread portion has short fibers fixed to at least a portion of a tire inner peripheral surface of the tread portion, and one of the tread halves with a higher negative ratio has a higher short-fiber fixation area ratio than that of the other tread half. | 12-17-2015 |
| 20150360516 | HEAVY LOAD TIRE - A first belt layer includes a cord extending at an inclination angle of greater than 45° with respect to the tire circumferential direction, a second belt layer includes a cord extending in the tire circumferential direction, and a third belt layer includes a cord extending at an inclination angle of 30° or less in the opposite direction from the cord of the first belt layer with respect to the tire circumferential direction. The belt layers are arranged in order, with the first belt layer furthest inward in the tire radial direction, on the outer circumferential side of a crown region of a carcass extending toroidally between a pair of bead portions. The third belt layer width w | 12-17-2015 |
| 20150360515 | PNEUMATIC TIRE - Provided is a pneumatic tire that enables suppressing at least one of the decrease in steering stability and the decrease in side cut resistance, and reducing cavity resonance sound, without increasing tire weight | 12-17-2015 |
| 20150353791 | LAMINATE AND METHOD FOR PRODUCING SAME - The present invention provides a laminate obtained by arranging a composition to be in contact with a rubber, wherein the composition is prepared by blending a polythiol compound (A), an isocyanate group-containing compound (B) and a radical generator (C), and wherein the ratio of the total molar number of the isocyanate group contained in the isocyanate-containing compound (B) to the total molar number of the thiol group contained in the polythiol compound (A) (isocyanate group/thiol group) is from 0.2 to 0.78, and provides a method for producing the laminate. The present invention thus provides a laminate, in which the rubber layer is adhered using at least one of an adhesive or an adhesive sheet capable of strongly adhering a rubber member, especially a vulcanized rubber member, and provides a laminate adhering to a rubber article using at least one of a coating agent and a coating sheet. | 12-10-2015 |
| 20150353657 | RUBBER COMPOSITION, AND PNEUMATIC TIRE USING SAME - The invention provides a rubber composition prepared by mixing, per 100 parts by mass of the rubber component comprising at least 50% by mass of a diene-based rubber, from 20 to 150 parts by mass of a filler, and from 0.05 to 30 parts by mass of a compound A which has a specific amidine structure and has a functional group reactive with the diene-based rubber. The rubber composition improves both a high elastic modulus and a low tan δ. The invention also provides a pneumatic tire using the rubber composition. | 12-10-2015 |
| 20150352908 | PNEUMATIC TIRE - Provided is a pneumatic tire including a carcass constituted of at least one ply including a ply main body and ply turn-up portions, and a recessed portion formed to be recessed inward in the tire axial direction at an outer surface of the tire in a region between a rim separating point and the tire maximum width position in each sidewall portion. In a section taken along the tire axial direction in a non-rim assembled state, an angle α is defined as an angle that an outer surface straight line defined by each bead back face portion passing the first intersection and the second intersection forms with respect to the tire axial direction, and the angle α is in the range from 70 to 100°. | 12-10-2015 |
| 20150352906 | PNEUMATIC TIRE - A pneumatic tire, including: a lug groove opening at an end of a ground contact surface of a tread portion and extending toward the tire equatorial plane of the ground contact surface to terminate before reaching the tire equatorial plane; a communication groove making a corresponding pair of the lug grooves located on respective sides of the tire equatorial plane communicate with each other; and at least one widthwise groove, formed in a ground contact surface region demarcated between the end of the ground contact surface and the tire equatorial plane and between one pair and another pair adjacent thereto in the tread circumferential direction of the lug grooves and the communication groove communicating therewith, such that the widthwise groove extends in a direction of a tread width and an end thereof on the outer side in the tread width direction terminates within the ground contact surface region. | 12-10-2015 |
| 20150352903 | PNEUMATIC TIRE - In a pneumatic tire, blocks | 12-10-2015 |
| 20150352902 | PNEUMATIC TIRE - A pneumatic tire includes a pair of circumferential grooves, a plurality of lateral grooves, and longitudinal grooves communicating between the lateral grooves on the outsides, in a tire width direction, of the circumferential grooves. Each lateral groove includes a lateral groove first portion, a lateral groove second portion disposed further outward, in the tire width direction, than the lateral groove first portion, and a lateral groove step portion connecting the lateral groove first portion and lateral groove second portion. | 12-10-2015 |
| 20150352901 | HEAVY LOAD TIRE - Provided is a heavy load tire that includes: the first belt layer including a cord extending in the tire circumferential direction; the second belt layer including a cord extending to be inclined with respect to the tire circumferential direction; and the third belt layer including a cord extending to be inclined at an angle of 30° or less with respect to the tire circumferential direction in a direction opposite to that of the cord of the second belt layer. The first, the second, and the third belt layer are arranged in the stated order from the inner side to the outer side in the tire radial direction. The third belt layer has a width w | 12-10-2015 |
| 20150352542 | CONDUCTIVE POLYMER MATERIAL, METHOD FOR PRODUCING CONDUCTIVE POLYMER MATERIAL, AND IMAGE FORMING DEVICE MEMBER - A conductive polymer material which can achieve longer operating life by improving resistance stability at the time of performing continuous conduction, a method for producing the conductive polymer material, and an image forming device member are provided. A conductive polymer material containing a quaternary ammonium base incorporated in a main chain of a polymer material as an electrolyte cation, and an alkyl sulfate radical as an electrolyte anion. | 12-10-2015 |
| 20150337919 | VIBRATION-DAMPING DEVICE - A vibration-damping device ( | 11-26-2015 |
| 20150336432 | PNEUMATIC TIRE - A pneumatic tire including a pair of bead portions, a pair of sidewall portions extending from the bead portions, a tread portion extending across the respective sidewall portions, and a decorative band having a smooth surface and formed on the sidewall portion, wherein: the outermost end in the tire radial direction of the decorative band is positioned on the inner side in the tire radial direction than the largest width position of the tire; the decorative band includes a plurality of decorative lines each extending in the tire circumferential direction and having higher brightness than the base color of the tire; brightness of the decorative line having the highest brightness among the decorative lines is at least 80%; and brightness and/or hue of the decorative line having the highest brightness is different from brightness and/or hue of at least one of other decorative lines. | 11-26-2015 |
| 20150336345 | TIRE AND METHOD OF PRODUCING THE SAME - A tire with a circumferential reinforcement layer formed by spirally winding rubber strips in the same direction from different positions arranged in the width direction of the tire. The rubber strips ( | 11-26-2015 |
| 20150329710 | METHOD OF PRODUCING RUBBER TYRE COMPOUNDS - A method of producing rubber tyre compounds, including a first mixing step in which at least one cross-linkable, unsaturated-chain polymer base, silica, and a silane bonding agent in the alkoxymercaptoalkyl-silane class are mixed together; and a final mixing step in which a curing system having at least sulphur and accelerants is added to and mixed with the mix. A nucleophile compound and zinc oxide are mixed with the polymer base at the first mixing step. And the method includes a second mixing step between the first mixing step and the final mixing step, and in which a silane bonding agent in the polysulphide organosilane class is added to and mixed with the mix from the first mixing step. | 11-19-2015 |
| 20150329709 | RUBBER COMPOUND COMPRISING POLYBUTADIENE IN THE POLYMER BASE - A method of producing rubber compounds having a cross-linkable polymer base at least partly composed of polybutadiene. The method includes a first mixing step in which the cross-linkable polymer base is mixed with at least one reinforcing filler; and at least a second mixing step in which the mix from the first mixing step is mixed with a curing system. The method also includes a preliminary mixing step prior to the first mixing step, and in which only the polybutadiene of the polymer base is mixed with a reinforcing resin, with no reinforcing filler. | 11-19-2015 |
| 20150329429 | CERAMIC SINTERED BODY AND METHOD OF MANUFACTURING CERAMIC SINTERED BODY - A ceramic sintered body according to the present invention comprises: silicon carbide and aluminum nitride, wherein a weight ratio of the aluminum nitride relative to a total weight ratio of the silicon carbide and the aluminum nitride is greater than 10% and 97% or smaller, and a bulk density is greater than 3.18 g/cm | 11-19-2015 |
| 20150322299 | WATER-BASED ADHESIVE COMPOUND - A water-based adhesive compound having water as a solvent; a cross-linkable, unsaturated-chain polymer base; an emulsifier of general formula (I), and an alkylphenol-formaldehyde resin; R | 11-12-2015 |
| 20150322248 | TYRE PORTIONS HIGHLY IMPERMEABLE TO OXYGEN - A tyre portion selected from the group including an innerliner, tread ply skim, TBR body ply skim, bead reinforcing skim, undertread, tie gum, squeegee, folded edge gum strip, belt edge gum strip and tread ply insert, and made from a compound including a polymer base and curing agents. The compound also includes a carbohydrate having 2 to 30 repetitive, possibly substituted, units. | 11-12-2015 |
| 20150321518 | PNEUMATIC TIRE - A pneumatic tire ( | 11-12-2015 |
| 20150321517 | PNEUMATIC TIRE AND METHOD OF PRODUCING THE SAME - Disclosed are a pneumatic tire that includes a tread having a pattern asymmetrical about the tire equatorial plane, and that is easy to produce and may surely reduce cavity resonance without lowering repair efficiency, and a method of producing the same. A pneumatic tire includes a tread portion having a pair of tread halves, the tread halves extending between the tire equatorial plane and respective outer ends in the tire width direction of the tread portion, respectively, and having different negative ratios. The tread portion has short fibers fixed to at least a portion of a tire inner peripheral surface of the tread portion, and one of the tread halves with a higher negative ratio has a lower short-fiber fixation area ratio than that of the other tread half. | 11-12-2015 |
| 20150315362 | RUBBER COMPOSITION WITH IMIDAZOLE-BASED SILICA SHIELDING AGENT - Disclosed herein are vulcanizable and vulcanized rubber compositions comprising a conjugated diene polymer or copolymer, silica, and a substituted imidazole-based silica shielding agent of Formula (I), and methods for preparing such rubber compositions. Also disclosed herein are tire components, such as tire treads, containing the rubber compositions disclosed herein. | 11-05-2015 |
| 20150314653 | TIRE - A pneumatic tire is provided with a decoration portion at a tire side portion. The decoration portion includes decoration elements, which include ridges, and gullies, which are inclined with respect to the tire circumferential direction and divide the decoration elements into at least two regions. Thus, the gullies make the ridges non-continuous in the tire circumferential direction. The ridges include first ridges and second ridges that are smaller than the first ridges in one or both of height and width. At least some of the first ridges are inclined with respect to the tire circumferential direction and are adjacent to one another. Thus, the gullies are formed between the adjacent first ridges. | 11-05-2015 |
| 20150314652 | TIRE - A pneumatic tire is provided with a decoration portion at a tire side portion. The decoration portion includes decoration elements, which include ridges, and gullies, which are inclined with respect to the tire circumferential direction and divide the decoration elements into at least two regions. Thus, the gullies make the ridges non-continuous in the tire circumferential direction. The ridges include first ridges and second ridges that are smaller than the first ridges in one or both of height and width. At least some of the first ridges are inclined with respect to the tire circumferential direction and are adjacent to one another. Thus, the gullies are formed between the adjacent first ridges. | 11-05-2015 |
| 20150314649 | FARM TYRE - A farm tyre including a carcass; a tread supported by the carcass and having a number of lugs; a tread belt interposed between the carcass and the tread, and having an outer tread ply and an inner tread ply, which are superimposed and each have a number of metal cords embedded in a rubber strip; the tyre. The farm tyre also includes two tread ply wedges, each interposed between the lateral ends of the two tread plies; and protective caps covering the two ends of each of the tread plies, each made of rubber and folded into a ‘U’ about the respective ply end; wherein the protective cap of the inner tread ply is partly defined by an outer appendix of the corresponding tread ply wedge. | 11-05-2015 |
| 20150307695 | ADHESION TYRE RUBBER COMPOUND - A tyre rubber compound having at least one cross-linkable, unsaturated-chain polymer base, and a curing system of at least sulphur, stearic acid, zinc oxide, and a chelating agent for complexing the zinc ion. | 10-29-2015 |
| 20150306919 | TIRE - A tire includes: a tread portion that comes into contact with a road surface; a sidewall portion connected to the tread portion; and a bead portion connected to an inner side of the side wall portion in a tire radial direction, wherein at least a part of the sidewall portion includes: a stain preventive rubber layer containing no antioxidant; and a paint layer adjacent to the stain preventive rubber layer and exposed on an outer surface of the sidewall portion, a tire radial outermost end of the paint layer is away from a bead toe outward in the tire radial direction by 65% or more of a tire cross-sectional height, and a tire radial outermost end of the stain preventive rubber layer is located outward in the tire radial direction relative to the tire radial outermost end of the paint layer. | 10-29-2015 |
| 20150306913 | TIRE - A tire can deliver improved on-ice performance with a reduced rolling resistance. The tire includes a foam rubber layer in a tread that comes into contact with a road surface, wherein a foaming ratio of the foam rubber layer is in a range from 3% to 50%, a rubber composition forming the foam rubber layer includes ethylene-vinylalcohol copolymer fiber coated with a resin having affinity for a rubber component, and the rubber composition forming the foam rubber layer includes 5 to 30 parts by mass at least one type of inorganic compound powder with respect to 100 parts by mass the rubber component, the inorganic compound powder having an average particle diameter greater than or equal to 10 μm and expressed by the following general formula (I). | 10-29-2015 |
| 20150306468 | CONTACT STATE OBSERVATION APPARATUS OF GOLF BALL AND CONTACT STATE OBSERVATION METHOD OF GOLF BALL - A contact state observation apparatus of golf ball can observe the contact phenomenon between a golf ball and a golf club which has been conventionally hidden and unobservable. The contact state observation apparatus of golf ball includes: launching means for launching a golf ball | 10-29-2015 |
| 20150303339 | PAIR OF SEALING FILMS FOR SOLAR CELL AND METHOD FOR PRODUCING SOLAR CELL MODULE USING SAME - To provide a sealing film for a solar cell, which can be effectively formed and is capable of preventing wraparound even if heating is performed in a wide temperature range when members of the solar cell module are integrated. | 10-22-2015 |
| 20150299434 | ANTIVIBRATION RUBBER COMPOSITION, AND ANTIVIBRATION RUBBER - The present invention addresses the problem of providing: an antivibration rubber composition which can provide a hardened rubber product that has excellent antivibration properties (a low motion magnification), compression permanent strain and low-temperature properties and can keep strength properties (hardness, tensile elongation, tensile strength) and hot aging resistance thereof at good levels; and an antivibration rubber which is produced by hardening the rubber composition. An antivibration rubber composition characterized by comprising a rubber component, sulfur, a bismaleimide compound and N-phenyl-N-(trichloro-methylthio)benzenesulfoneamide, wherein the rubber component comprises a natural rubber and a polybutadiene rubber at a blend ratio of 60/40 to 90/10 by mass. | 10-22-2015 |
| 20150299350 | Processes For The Preparation Of High-Cis Polydienes - Disclosed herein are solution polymerization processes for producing a high-cis polydiene. The processes include polymerizing at least one conjugated diene monomer in an organic solvent in the presence of at least one thiol compound and a lanthanide-based catalyst composition to produce a polydiene having a cis-1,4-linkage content of 90-99%. The at least one thiol compound is represented by the general formula R—S—H, where R is a hydrocarbyl group or a substituted hydrocarbyl group. The lanthanide-based catalyst composition comprises (a) a lanthanide compound, (b) an alkylating agent, and (c) a halogen source, where (c) may optionally be provided by (a), (b), or both (a) and (b). The molar ratio of the at least one thiol compound to the lanthanide compound used in the polymerization process ranges from 0.01:1 to 100:1. Improved solution polymerization processes regarding the same are also disclosed herein. | 10-22-2015 |
| 20150298509 | TIRE - A bead filler outer end | 10-22-2015 |
| 20150298407 | METHOD FOR MANUFACTURING ENDLESS BELT AND ENDLESS BELT - A method for manufacturing an endless belt includes: coating a depression that is formed between both belt longitudinal ends of surface rubber of a belt and to which an adhesion processing material is attached, with at least one layer of unvulcanized rubber sheet; and vulcanizing the unvulcanized rubber sheet to bond the unvulcanized rubber sheet to the surface rubber, in which A is less than B, where A is a belt longitudinal distance between a belt longitudinal edge of an interface of the unvulcanized rubber sheet and the adhesion processing material and a belt longitudinal edge of the depression, and B is a belt longitudinal distance between a belt longitudinal edge of an area to which the adhesion processing material is attached and the belt longitudinal edge of the depression. | 10-22-2015 |
| 20150291711 | Organometallic Complex Catalyst And Polymerization Method Employing Same - A novel class of organometallic complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers that include both olefins and polyenes. | 10-15-2015 |
| 20150290978 | PNEUMATIC TIRE - A pneumatic tire, comprising: a tread surface; a plurality of grooves formed in the tread surface, including a plurality of widthwise grooves each extending from a corresponding tread end on the inner side in the tread width direction and a plurality of circumferential grooves each extending in the tread circumferential direction to intersect the widthwise grooves; blocks demarcated by the plurality of grooves; and a chamfered portion formed at a corner, on the trailing edge side and on the outer side in the tread width direction, of each block. | 10-15-2015 |
| 20150290848 | SEAT PAD - A seat pad with enhanced adherence between a flexible foamed resin material and a beads-foamed-body, without decreasing the strength of the beads-foamed-body itself. An additional component ( | 10-15-2015 |
| 20150284549 | TREAD COMPOUND PRODUCTION METHOD - A rubber compound production method including a first mixing step wherein at least one cross-linkable unsaturated-chain polymer base, silica, and a silane bonding agent in the alkoxymercaptoalkyl-silane class are mixed together; and a following mixing step wherein a curing system having at least sulphur and accelerants is added and mixed to the compound being produced. 0.2 to 5 phr of an accelerant, and 0.5 to 6 phr of a zinc salt of a fatty acid with a carbon atom number of C8 to C24 are added at the first mixing step. The accelerant is from the group of benzothiazyl-cyclohexyl-sulphenamide (CBS), benzothiazole disulphide (MBTS), N-tert-butyl-2-benzothiazylsulphenamide (TBBS), 2-mercaptobenzothiazole (MBT), zinc salts of 2-mercaptobenzothiazole (ZMBT), benzothiazyl-2-dicyclohexyl-sulphenamide (DCBS), diphenylguanidine (DPG), triphenylguanidine (TPG), diorthotolyl guanidine (DOTG), o-tolylbiguanidine (OTBG), ethylene thiourea (ETU) and their mixtures. | 10-08-2015 |
| 20150284483 | Vinyl Modifier Composition And Processes For Utilizing Such Composition - An oxolanyl compound-containing composition comprising specified amounts of the meso-isomer of one or more of the oxolanyl compounds of specified structure is provided. Also provided are methods for the use of such compositions as vinyl content modifiers in polymerization processes. | 10-08-2015 |
| 20150283860 | CURED TREAD AND TIRE - The invention provides a cured tread and a tire capable of controlling irregular wear of the tread. A base tire which is to be the base for the tire and a cured tread which is to be bonded to the base tire are molded separately, and they are integrated with each other to produce the tire. The tread is provided in its width (axial) direction with a plurality of grooves extending in its length (circumferential) direction. The thickness of the tread in a width cross section gradually decreases from the equator to the equator-side edge of the outermost groove located at an axially outermost position and gradually increases from the outer edge of the outermost groove outward in the axial direction. | 10-08-2015 |
| 20150283851 | NON-PNEUMATIC TIRE - A connecting member ( | 10-08-2015 |
| 20150283770 | TIRE AND TIRE MANUFACTURING METHOD - A tire configured from joining together plural tire frame members formed from a thermoplastic material in which sufficient strength of the joint portion is secured. Two tire halves | 10-08-2015 |
| 20150280037 | SOLAR CELL SEALING FILM AND SOLAR CELL MODULE USING THE SAME - A solar cell sealing film comprising a resin material comprising an olefin (co)polymer, and a wavelength conversion material, wherein the wavelength conversion material is a europium complex represented by the following formula (I): | 10-01-2015 |
| 20150274939 | Rubber Compositions Comprising Metal Carboxylates And Processes For Making The Same - The present disclosure provides reinforcing filler-containing rubber compositions suitable for use in tires, and particularly in tire treads. These rubber compositions comprise a metal carboxylate. The metal carboxylate provides improved processability to the rubber compositions in the form of a reduced Mooney viscosity. In certain exemplary embodiments, these rubber compositions containing the metal carboxylate also have an enhanced elastic modulus (also referred to as the G′). Further, in certain of the enhanced elastic modulus embodiments, the rubber compositions containing the metal carboxylate also have decreased hysteresis loss. | 10-01-2015 |
| 20150273953 | RUBBER LAMINATED BODY AND TIRE - An object of the present invention is to provide: a rubber laminated body including a coating film which not only ensures decorativeness and visibility as desired but also exhibits good adhesion between a vulcanized rubber member and itself; and a tire using the rubber laminated body. In order to achieve the object, the present invention provides a rubber laminated body, comprising: a vulcanized rubber member; and a coating film provided to be attached to the vulcanized rubber member, wherein the coating film contains a polythiol compound. | 10-01-2015 |
| 20150273952 | PNEUMATIC TIRE - A pneumatic tire, while achieving excellent drainage performance by projections and depressions formed in a circumferential groove, can reduce road noise by making the circumferential stiffness of a land portion uniform even in the presence of such projections and depressions. A plurality of protuberances are arranged in at least one circumferential groove at intervals in the tread circumferential direction, the protuberances being raised from the inner surface of the circumferential groove and extending from the groove bottom of the circumferential groove to at least one groove wall surface in the tread width direction. A plurality of sipes are arranged in a land portion adjacent to the groove wall surface of the circumferential groove to which the protuberances extend, the sipes being open to the circumferential groove in areas where the respective protuberances are arranged. | 10-01-2015 |
| 20150273946 | NON-PNEUMATIC TIRE - A non-pneumatic tire includes an attachment body ( | 10-01-2015 |
| 20150273945 | SENSING AMPLIFIER UTILIZING BIT LINE CLAMPING DEVICES AND SENSING METHOD THEREOF - A non-pneumatic tire includes an attachment body ( | 10-01-2015 |
| 20150273936 | NON-PNEUMATIC TIRE - A non-pneumatic tire ( | 10-01-2015 |
| 20150273935 | NON-PNEUMATIC TYRE - A non-pneumatic tire includes an attachment body ( | 10-01-2015 |
| 20150267012 | CURED SHEET, LAMINATE HAVING THE SAME AND PROCESS FOR MANUFACTURING THE LAMINATE - There is provided a cured sheet and a laminate having the same, wherein the cured sheet is prepared by curing a laminate forming sheet containing an ethylene-vinyl acetate copolymer and a polyethylene, excellent in adhesion durability and has a sufficient flexibility even in the case of a high content of the polyethylene. A cured sheet constituting a laminate and a laminate having the same, wherein the cured sheet is prepared by curing through cross-linking a laminate forming sheet comprising a composition containing an ethylene-vinyl acetate copolymer, a polyethylene and an organic peroxide; a weight ratio of the ethylene-vinyl acetate copolymer (EVA) to the polyethylene (PE) (EVA:PE) is in a range of 3:7 to 8:2; and the cured sheet has a sea-island structure wherein the ethylene-vinyl acetate copolymer constitutes a sea phase and the polyethylene constitutes an island phase. | 09-24-2015 |
| 20150266346 | PNEUMATIC TIRE - A pneumatic tire, having a plurality of sipes formed in land portions of a tread thereof so as to each extend in the tire width direction, characterized in that: in a cross section of the land portion orthogonal to the sipe extending direction, provided that an imaginary sipe main line links two ends in the tire radial direction of each sipe, at least two of the sipes are “inclined sipes” each having the sipe main line inclined with respect to the tire radial direction; each inclined sipe has inner bent portions each protruding with respect to the sipe main line with peaks positioned deeper than 20% of the sipe depth; and the sipe main line(s) of at least one of the inclined sipes are inclined in a direction opposite, with respect to the tire radial direction, to the sipe main line of any of the other inclined sipes. | 09-24-2015 |
| 20150266345 | PNEUMATIC TIRE - A pneumatic tire, having in a tread surface thereof a pair of circumferential grooves formed on respective sides of the tire equatorial plane in the middle, a rib-like central land portion row demarcated by the circumferential grooves, and a plurality of lateral grooves extending between the central land portion row and each tread end, comprises in each half region of the tread: a row of first intermediate blocks each having a circumferential length D2 and demarcated by the lateral grooves, the corresponding circumferential groove, and first longitudinal grooves; and a row of second intermediate blocks demarcated by the lateral grooves, the first longitudinal grooves, and second longitudinal grooves, wherein facing openings of the first/second longitudinal grooves adjacent in the tire circumferential direction are offset from each other, and provided that D1 represents a circumferential distance between adjacent ends of the adjacent first and second intermediate blocks, D1≦D2/2. | 09-24-2015 |
| 20150259452 | FUNCTIONALIZED HIGH CIS-1,4-POLYBUTADIENE PREPARED USING NOVEL FUNCTIONALIZING AGENTS - In general the present invention provides a functionalized polymer prepared by a process comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated monomer with a lanthanide-based catalyst, and reacting the pseudo-living polymer with a functionalizing agent defined by the formula (I) | 09-17-2015 |
| 20150259361 | Organometallic Catalyst Complex And Polymerization Method Employing Same - A novel class of organometallic complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers that include both olefins and polyenes. | 09-17-2015 |
| 20150258860 | WINTER TYRE TREAD BAND WITH THREE-DIMENSIONAL SIPES - A winter tyre tread band having: a number of longitudinal and transverse grooves defining a number of blocks, each projecting radially upwards from a base surface of the tread band; and a number of sipes formed in at least some of the blocks, and each of which extends radially inwards of a corresponding block, from a top surface forming the rolling surface of the tread band; each sipe has a wave pattern when the corresponding block is viewed in any one of three planes perpendicular to one another and defined by a longitudinal axis, a transverse axis, and a radial axis. | 09-17-2015 |
| 20150258853 | NON-PNEUMATIC TIRE - A non-pneumatic tire includes an attachment body ( | 09-17-2015 |
| 20150252063 | HYDROXYL GROUP-CONTAINING METHYLSTYRENE AND POLYMERS INCORPORATING SAME - Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing α-methylstyrene functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers. | 09-10-2015 |
| 20150251492 | NON-PNEUMATIC TIRE - A non-pneumatic tire includes an attachment body ( | 09-10-2015 |
| 20150246577 | NON-PNEUMATIC TIRE - A non-pneumatic tire includes an attachment body ( | 09-03-2015 |
| 20150240054 | METHOD FOR MANUFACTURING RUBBER COMPOSITION - The purpose of the present invention is to provide a rubber composition that can achieve improved ozone resistance and processing properties (scorch properties) in the rubber composition and that can be favorably used as an antivibration rubber material. A method for manufacturing a rubber composition by adding (A) N-phenyl-N-(trichloromethyl-thio)benzenesulfonamide and (B) an amine antioxidant to a rubber component primarily containing diene-based rubber, wherein the method for manufacturing a rubber composition is characterized in being separately provided with a step of mixing component raw materials containing component (A) and a step of mixing component raw materials containing component (B), whereby the mixing steps comprise at least two stages. | 08-27-2015 |
| 20150239307 | TIRE INTERNAL PRESSURE WARNING SYSTEM - The present invention provides a tire internal pressure warning system, comprising: an internal pressure data acquisition apparatus for obtaining data of internal pressure of each tire | 08-27-2015 |
| 20150232602 | ISOPRENE COPOLYMER AND METHOD OF PRODUCING THE SAME - A copolymer having properties (durability (fracture resistance, abrasion resistance, and crack-growth resistance)) similar to those of natural rubber and a method of producing the copolymer are provided. An isoprene copolymer has a styrene block or a butadiene block at a terminal thereof, wherein styrene monomers account for less than 5 mol % of all monomers forming the isoprene copolymer having the styrene block; butadiene monomers account for 10 mol % or less of all monomers forming the isoprene copolymer having the butadiene block; and cis-1,4 bond content of a portion derived from isoprene accounts for at least 95% in total. | 08-20-2015 |
| 20150225506 | METHODS OF MAKING BLOCKED-MERCAPTO ALKOXY-MODIFIED SILSESQUIOXANE COMPOUNDS - Methods of forming blocked-mercapto alkoxy-modified silsesquioxanes are provided. The blocked-mercapto alkoxy-modified silsesquioxane compounds contain an alkoxysilane group that participates in an alkoxysilane-silica reaction as a silica dispersing agent in rubber, with the release of zero to about 0.1% by weight of the rubber as alcohol (a volatile organic compound (VOC)), during compounding and further processing. The blocked-mercapto alkoxy-modified silsesquioxane compounds also contain a blocked mercapto group which, when de-blocked, allows the mercapto group to interact with the polymer(s) in a rubber composition. Further described are rubber compounds containing the blocked-mercapto alkoxy-modified silsesquioxanes. | 08-13-2015 |
| 20150224829 | TIRE | 08-13-2015 |
| 20150224827 | WINTER TYRE WITH IMPROVED TRACTION ON SNOW SURFACES - A winter tyre with improved traction on snow surfaces; the tyre has a tread with a raised pattern defined by a number of longitudinal and transverse grooves which form at least one longitudinal row of blocks projecting radially from a base surface of the tread. Each block has two longitudinal lateral surfaces bounding two corresponding longitudinal grooves, and two transverse lateral surfaces bounding two corresponding transverse grooves. At least one of the blocks has lateral channels, each of which is formed on the lateral surface of a corresponding block, extends from the base surface of the tread to a top surface of the block, and is designed to impede radial spin-out of snow trapped inside the lateral channel. | 08-13-2015 |
| 20150224826 | PNEUMATIC TIRE - The present invention provides a pneumatic tire capable of exhibiting improved on-snow cornering performance on a snowy road and improved on-ice cornering performance on an icy road surface. Specifically, the pneumatic tire comprises: a tread portion ( | 08-13-2015 |
| 20150224534 | FIBER COATING DEVICE FOR TIRES AND FIBER COATING METHOD FOR TIRES - The present invention provides a fiber coating device for tires, for coating an inner surface of a tire with fibers, comprising: a tire support means for supporting a tire; a fiber supply means including a fiber jetting outlet and adapted to spray fibers from the fiber jetting outlet onto an inner surface of the tire supported by the tire support means; and a fiber charging means for charging the fibers sprayed from the fiber jetting outlet, wherein the fiber jetting outlet of the fiber supply means and the fiber charging means are disposed in a space defined by the inner surfaces of the tire and a pair of imaginary disc-shaped faces of which circumferential peripheries correspond to inner circumferential peripheries of respective bead portions of the tire when the tire is supported by the tire support means. | 08-13-2015 |
| 20150218329 | MEMBER HAVING CURED LAYER OBTAINED BY CURING CURABLE RESIN COMPOSITION AT LEAST ON SURFACE THEREOF - A member that, while maintaining water repellency and oil repellency, has an improved slidability (water-sliding property that allows for easy removal of water droplets on a surface) is provided. The member according to the present invention having, at least on a surface thereof, a cured layer obtained by curing a curable resin composition includes, in an area within 1 nm in depth from an outermost surface of the cured layer, a fluorine element at 1.0 at % to 10.0 at % and a silicon element at 1.0 at % to 20.0 at %. | 08-06-2015 |
| 20150210286 | METHOD AND APPARATUS FOR DETERMINING ROAD SURFACE CONDITION - A time-series waveform of tire vibration detected by an acceleration sensor is windowed by a windowing means, time-series waveforms of the tire vibration are extracted for respective time windows, and feature vectors of the respective time windows are calculated. Then kernel functions are calculated from the feature vectors of the respective time windows and road surface feature vectors, which are the feature vectors for the respective time windows calculated from the time-series waveform of the tire vibration obtained for distinctive road surface conditions calculated in advance. And the road surface condition is determined by comparing values of discriminant functions using the kernel functions. As a result, the road surface condition can be determined from the time-series waveform of the tire vibration without detecting peak positions or measuring the wheel speed. Moreover, robustness against changes in tire size can be added to the determination of the road surface condition. | 07-30-2015 |
| 20150203662 | RUBBER COMPOSITIONS INCLUDING SILICEOUS FILLERS - Vulcanizates with desirable properties can be obtained from compositions incorporating polymers that include hydroxyl group-containing aryl functionalities, silica or other particulate filler(s) that contain or include oxides of silicon and a group or compound that can act to covalently bond the filler particles and the polymer. The group can be provided as a substituent of the filler particle, or a discreet compound can be provided in the composition. | 07-23-2015 |
| 20150203299 | CONVEYOR BELT AND CONVEYOR BELT APPARATUS - A conveyor belt ( | 07-23-2015 |
| 20150197630 | METHOD FOR MANUFACTURING POLYMER COMPOSITION AND THE POLYMER COMPOSITION - An object of the present invention is to provide a polymer composition having properties resembling those of natural rubber, e.g. good durability (fracture resistance, wear resistance, and crack growth resistance), and a method for manufacturing the polymer composition. Specifically, the present invention provides a method for manufacturing a polymer composition including a mixture of polyisoprene and polystyrene/polybutadiene, comprising: polymerizing styrene monomer or butadiene monomer in the presence of a catalyst to synthesize polystyrene or polybutadiene; adding isoprene monomer to the polystyrene or polybutadine thus synthesized, to synthesize polyisoprene and thus generate said mixture, wherein content of the styrene monomer or the butadiene monomer is set to be 10 mol % or less with respect to the total quantity of the styrene monomer/the butadiene monomer and the isoprene monomer. | 07-16-2015 |
| 20150191053 | TIRE - In a cross section of this tire ( | 07-09-2015 |
| 20150191049 | PNEUMATIC TIRE - By adopting an appropriate block pattern, a pneumatic tire guarantees the tire ground contact area without impairing drainage performance and enhances on-ice performance. On the tread are formed land portions ( | 07-09-2015 |
| 20150191048 | TIRE | 07-09-2015 |
| 20150184933 | Methods For Desolventization Of Bagasse - Provided herein are methods for the removal of organic solvents from wet bagasse. The use of the methods result in dried bagasse that contains no more than 1 weight percent organic solvents. | 07-02-2015 |
| 20150184717 | VIBRATION DAMPING DEVICE - In a vibration damping device ( | 07-02-2015 |
| 20150183971 | RUBBER COMPOSITION FOR TIRE TREADS - The present invention is a rubber composition for tire treads, of which the temperature of the peak position of the temperature curve of tan δ is −16.0° C. or higher and −6.0° C. or lower, tan δ at the peak position is larger than 1.13, tan δ at 0° C. is 0.95 or more, and the value obtained by dividing the absolute value of the difference between tan δ at −5° C. and tan δ at 5° C. by the temperature difference between −5° C. and 5° C. {|(tan δ at −5° C.)−(tan δ at 5° C.)|/10} (/° C.) is smaller than 0.045/° C. The invention provides the rubber compositions for tire treads that more highly satisfy both low-heat-generation property and wet braking performance. | 07-02-2015 |
| 20150183904 | METHOD FOR PRODUCING POLYBUTADIENE, POLYBUTADIENE, RUBBER COMPOSITION AND TIRE - The present invention provides a method for synthesizing a polybutadiene more efficiently and stably which is possible to obtain a rubber composition and a tire excellent in durability (fracture resistance, wear resistance and crack growth resistance). A method for producing a polybutadiene, where a butadiene monomer is polymerized with the existence of rare-earth element compounds represented by the following formula (i): | 07-02-2015 |
| 20150183270 | LAMINATE FOR INNER LINER, AND TYRE USING SAME - Provided is a laminate for inner liner which uses a resin film in which adhesiveness between an adjacent member such as a carcass and a resin film can be sufficiently secured and a tire using the same. The laminate is a laminate for inner liner including: a gas barrier layer | 07-02-2015 |
| 20150179852 | SEALING FILM FOR SOLAR CELLS, SOLAR CELL MODULE, AND METHOD FOR SELECTING SEALING FILM FOR SOLAR CELLS - A sealing film for solar cells for a solar cell module constituting a solar power generation system with a system voltage of 600 V or more, and is capable of suppressing the generation of PID phenomenon; and a solar cell module are provided. Such sealing film for solar cells consists of a crosslinkable curable film of a composition containing an ethylene-polar monomer copolymer and a crosslinking agent. The film is characterized in that the product (92 v·t) of a volume resistivity (ρv [Ω·cm]) at 25° C. (JIS K6911-1995) of the sealing film after crosslinking curing and a thickness (t [cm]) of the sealing film for solar cells is 5.0×10 | 06-25-2015 |
| 20150175857 | COMPOSITION, ADHESIVE AND LAYERED BODY - A composition includes: a polythiol compound; a compound having plural epoxy groups; a radical generator; and an amine-based catalyst. In the composition, the ratio (Ep/SH (epoxy groups/thiol groups)) of the total molar number (Ep) of epoxy groups contained in the compound having plural epoxy groups to the total molar number (SH) of thiol groups contained in the polythiol compound is 0.50 or higher but lower than 2.00. | 06-25-2015 |
| 20150153676 | METHOD FOR MANUFACTURING TONER SUPPLY ROLLER AND TONER SUPPLY ROLLER - Provided is a technique for manufacturing a toner supply roller in which the toner conveying performance and the scraping performance of unneeded toner are excellent as well as the above-mentioned problems in molding can be resolved. Also provided is a method for manufacturing a toner supply roller including: an insertion process in which a roller member | 06-04-2015 |
| 20150152249 | AMINO ALKOXY-MODIFIED SILSESQUIOXANE ADHESIVES FOR IMPROVED METAL ADHESION AND METAL ADHESION RETENTION TO CURED RUBBER - Amino alkoxy-modified silsesquioxanes (amino AMS), and/or amino co-AMS compounds that also comprise a mercaptosilane or a blocked mercaptosilane, are excellent adhesives for coating plated or unplated metal wire for adherence of the wire to a rubber stock. The amino AMS and/or the amino/mercaptan co-AMS adhesives can be used with all types of rubber and there is no requirement for the use of special adhesive additives to the rubber vulcanizates, such as, but not limited to, cobalt, resins and high sulfur levels. In particular, the use of amino AMS and/or amino/mercaptan co-AMS compounds as adhesives for bonding wire to rubber also improves the adherence performance of the reinforcements to obtain sufficient bonding that is resistant to degradation over the course of time, especially resistance to thermal aging and/or thermo-oxidizing aging, in particular corrosion in the presence of water. | 06-04-2015 |
| 20150151590 | PNEUMATIC TIRE - A tire is a tire in which circumferential grooves, and lug grooves comprising opening portion in tread end and which extend in the tread width direction from the tread end to the circumferential groove, are formed. Projection parts are provided in the groove bottom of the circumferential grooves. The projection parts extend from one side wall forming a circumferential groove to the other side wall opposite the one side wall. Multiple lug grooves are formed at predetermined intervals in the circumferential direction. In the tread surface view of the tire, given points of intersection as the points at which a circumferential groove extension that passes through a circumferential groove intersects with a lug groove extension that passes through a lug groove, the projection parts are provided between a first point of intersection and a second point of intersection adjacent to the first point of intersection in the circumferential direction. | 06-04-2015 |
| 20150151587 | TIRE - A tire includes a circumferential direction main groove on a tread surface, first and second circumferential supplemental grooves located on both sides of the circumferential direction main groove, and first and second central land portions formed between the circumferential direction main groove and the first and second circumferential direction supplemental grooves. The first and second central land portions have plural width direction sipes, respectively, and each of the width direction sipes extends to the circumferential main groove, the circumferential main groove has shallow grooved portions and deep grooved portions. The deep grooved portions are deeper than the shallow grooved portions, and the shallow grooved portions are shallower than the circumferential supplemental grooves. | 06-04-2015 |
| 20150151583 | PNEUMATIC TIRE - On the tread surface, land portions are defined by a pair of circumferential main grooves and divided, by circumferential narrow grooves | 06-04-2015 |
| 20150148489 | POLYMERS FUNCTIONALIZED WITH NITRILE COMPOUNDS CONTAINING A PROTECTED AMINO GROUP - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer with an anionic initiator to form a reactive polymer; and (ii) reacting the reactive polymer with a nitrile compound containing a protected amino group, where the protected amino group is directly attached to a moiety selected from the group consisting of acyclic moieties, heterocyclic moieties, and non-aromatic cyclic moieties. | 05-28-2015 |
| 20150148458 | PRODUCTION METHOD FOR PURIFIED POLYSACCHARIDE FIBERS, PURIFIED POLYSACCHARIDE FIBERS, FIBER-RUBBER COMPLEX, AND TIRE - The present invention provides a production method for purified polysaccharide fibers in which carbon disulfide emission is suppressed while efficiently producing purified polysaccharide fibers having excellent strength, purified polysaccharide fibers produced by using the production method, a fiber-rubber complex using the purified polysaccharide fibers, and a tire having excellent tire characteristics using the fiber-rubber complex. The production method for purified polysaccharide fibers of the present invention is a production method for purified polysaccharide fibers of wet-spinning or dry-wet-spinning polysaccharide by bringing a polysaccharide solution obtained by dissolving a polysaccharide raw material in a liquid including an ionic liquid into contact with a solidification liquid including an ionic liquid, in which a concentration of the ionic liquid in the solidification liquid is 0.4% by weight to 50% by weight and the anionic moieties of the ionic liquid in the polysaccharide solution and the ionic liquid in the solidification liquid have one or more types selected from the group consisting of a phosphinate ion, a phosphate ion, and a phosphonate ion. | 05-28-2015 |
| 20150144243 | PNEUMATIC TIRE - A pneumatic tire, which may include a bead portion reinforcing cord layer disposed along a turn-up portion of a carcass, includes at least one component member selected from the group consisting of a carcass cord ply and a belt cord layer and/or the bead portion reinforcing cord layer including an end rubber wrapping the end part thereof, the end rubber having a loss tangent larger than 0.20 and 0.35 or smaller at 2% strain at 25° C. and a difference ΔE′ between a storage modulus at 0.1% strain and a storage modulus at 2% strain at 25° C. being 10 MPa or more and 30 MPa or less, and a coating rubber covering a cord in the component member and/or the bead portion reinforcing cord layer including the end rubber has a loss tangent at 2% strain at 25° C. of 0.20 or less. | 05-28-2015 |
| 20150136882 | Methods For Increasing The Extractable Rubber Content Of Non-Hevea Plant Matter - Methods for increasing the extractable rubber content of non- | 05-21-2015 |
| 20150135812 | METHOD AND APPARATUS FOR MEASURING TIRE GROUND CONTACT PROPERTIES - A tire (T) for measurement, having applied thereto a required camber angle (CA) and slip angle (SA), is contacted against a rotatably driven rotating drum ( | 05-21-2015 |
| 20150133572 | SEALING MATERIAL - A composition for a sealing material which comprise a rubber component comprising copolymer rubbers of ethylene, α-olefin having 3 or more carbon atoms and unconjugated diene, a vulcanizing agent and a blowing agent, wherein the copolymer rubber consists of copolymer rubber A and copolymer rubber B, the copolymer rubber A being derived from ethylene, α-olefin having 3 or more carbon atoms and 3 to 5% by mass of unconjugated diene, and the copolymer rubber B being derived from ethylene, α-olefin having 3 or more carbon atoms and 9 to 15% by mass unconjugated diene, and a mass ratio (copolymer rubber B/copolymer rubber A) of the copolymer rubber B to the copolymer A is in the range of 1/99 to 50/50, and a sealing material composed of a vulcanized foam of the composition. | 05-14-2015 |
| 20150129101 | CORD, RUBBER-CORD COMPOSITE STRUCTURE, AND TIRE - An object of the present invention aims to provide a cord formed by twisting purified polysaccharide fibers which are manufactured by using a raw material with a low environmental impact and do not emit carbon disulfide, in which the cord is able to confer durability and resistance to external damage to a tire when the cord is used in the tire. A cord is provided formed by bringing a polysaccharide solution which is formed by dissolving a polysaccharide raw material in a liquid including an ionic liquid in contact with a solidifying liquid, and by twisting raw yarn which is purified polysaccharide fibers formed by spinning polysaccharides, in which a relationship between tenacity TB (cN/dtex) of the raw yarn at 25° C. and elongation at break EB (%) of the raw yarn at 25° C. satisfies the following expression (1) and the following expression (2), and a twisted yarn tenacity utilization rate (CT/TB) at the time of setting cord tenacity at 25° C. to CT (cN/dtex) when the raw yarn is twisted to be a cord is greater than or equal to 70%. | 05-14-2015 |
| 20150126695 | POLYMERIZATION CATALYST COMPOSITION, METHOD FOR PRODUCING SYNTHETIC POLYISOPRENE, AND SYNTHETIC POLYISOPRENE - A polymerization catalyst composition that, without accompanying excessive gelation, allows efficient synthesis of high molecular weight polyisoprene under industrial conditions is provided. The polymerization catalyst composition contains:
| 05-07-2015 |
| 20150126675 | Polydienes And Diene Copolymers Having Organophosphine Functionality - Embodiments provide polydienes and diene copolymers having organophosphines functionality. Specific embodiments employ phosphorus-containing organometal initiators and copolymers prepared by anionically polymerizing conjugated diene monomer and vinyl organophosphine. | 05-07-2015 |
| 20150126673 | Compositions Containing Purified Non-Hevea Rubber And Related Purification Methods - Provided herein are organic solvent-based processes for the isolation of purified natural rubber from non- | 05-07-2015 |
| 20150126642 | HALOGENATED DIENE RUBBER FOR TIRES - A rubber composition is provided that includes a partially halogenated diene polymer that has a controllable microstructure, and no more than about 50% of the n repeat units are in blocks of three or more consecutive units. In embodiments, a reinforcing filler is also included in the rubber composition. In embodiment, the rubber composition is formed into a tire component. A method of making the composition is also provided. | 05-07-2015 |
| 20150125685 | RUBBER SHEET, PNEUMATIC TIRE USING SAME, AND METHOD FOR PRODUCING RUBBER SHEET - The present invention provides a rubber sheet having a thickness of 500 μm or less, wherein a rubber component in a rubber composition to constitute the rubber sheet contains a liquid elastomer having a weight-average molecular weight of from 500 to 100000, and a method for producing a rubber sheet having a thickness of 500 μm or less, which includes a step (A) of forming a film of a rubber composition not containing an organic compound having a boiling point not higher than 150° C., on a substrate sheet at a temperature at which the viscosity of the rubber composition falls within a range of from 10 to 100000 mPa·s. Using the specific liquid elastomer, the present invention provides a rubber sheet having a thickness of 500 μm or less. Not using any special coating apparatus, the present invention provides a method for producing a rubber sheet of a rubber composition not containing an organic compound having a boiling point not higher than 150° C. | 05-07-2015 |
| 20150123327 | VIBRATION DAMPING DEVICE - A vibration damping device includes: a cylindrical first attachment member and a second attachment member; and an annular first elastic body and an annular second elastic body, wherein, a liquid chamber is formed between the elastic bodies, elastic division walls that divide the liquid chamber into a plurality of pressure receiving liquid chambers are arranged, wherein the elastic division wall is joined to the first elastic body, and is also in abutment with the second elastic body, wherein the second attachment member is divided in the axial direction into: a first divided body to which an inner peripheral edge portion of the first elastic body is joined; and a second divided body to which an inner peripheral edge portion of the second elastic body is joined, and wherein the inner peripheral edge portions of the elastic bodies are located side by side in the axial O direction. | 05-07-2015 |
| 20150122393 | PNEUMATIC TIRE FOR MOTORCYCLE - The present invention aims at providing a pneumatic tire for a motorcycle, capable of improving steering stability and wear resistance in a turning situation with maintaining good turning performance achieved by a relatively wide auxiliary belt layer. Specifically, the present invention provides a pneumatic tire for a motorcycle, characterized in that: the auxiliary belt layer is sectioned into a middle area Am overlapping a region where the belt layer is provided and respective side areas As each extending beyond the region where the belt layer is provided; the cords in the middle area Am extend at an inclination angle θm in the range of 70° to 90° with respect to the tire circumferential direction; and the cords in each side area As extend, in at least a portion of the side area, at an inclination angle θs different from the inclination angle θm with respect to the tire circumferential direction. | 05-07-2015 |
| 20150119516 | METHOD OF PRODUCING A RUBBER COMPOUND COMPRISING SILICA - A method of producing a rubber compound containing silica, the method including a step of dispersing the silica in a polymer base, and a following step of mixing the previously formed mixture with curing agents. The step of dispersing the silica in the polymer base includes the following sequence of operations: soaking the polymer base in a liquid silica precursor to form a swollen polymer; —adding the swollen polymer to an organic solvent, and continually stirring the swollen polymer solution; —adding water and a silica synthesizing catalyst to the swollen polymer solution; —precipitating a polymer gel matrix by adding a precipitating agent; —separating and washing the precipitated polymer gel matrix. | 04-30-2015 |
| 20150119496 | METHOD OF PRODUCING WET MASTER BATCH, WET MASTER BATCH, RUBBER COMPOSITION, AND SOLID-LIQUID SEPARATING AND DEHYDRATING APPARATUS FOR WET MASTER BATCH PRODUCTION - Provided is a method of producing a wet master batch, including the step of: solid-liquid separating and dehydrating a coagulum slurry obtained by mixing a rubber latex with a carbon black slurry containing a carbon black dispersed in water and coagulating the mixture, the solid-liquid separating and dehydrating step including gravity filtering and vacuum filtering the coagulum slurry on a filtration filter and then pressurizing, by means of a pressurizer, the coagulum slurry on the outer peripheral surface of a drum, to thereby pressure dehydrate the coagulum slurry. Also provided is a solid-liquid separating and dehydrating apparatus for wet master batch production, which includes: a filtration filter; a filtration portion; a drum; and a pressurizer. | 04-30-2015 |
| 20150114539 | TIRE - A tire includes a circular tire frame body formed of a resin-containing material. The resin material has a sea-island structure including a sea phase constituted by a first resin material and an island phase constituted by a second resin material, and the island phase is harder than the sea phase. | 04-30-2015 |
| 20150114538 | PNEUMATIC TIRE - The present invention includes a run-flat tire comprising a plurality of turbulence generation ridges which extend on a surface of a tire side portion in a tire-radial direction and which are arranged at a pitch in a tire-circumferential direction and relationship Si>So is satisfied. Si is the sum of sidewall areas of all the turbulence generation ridges located at the inner side, in the tire-radial direction, of a maximum width position of the pneumatic tire. So is the sum of sidewall areas of all the turbulence generation ridges located at the outer side, in the tire-radial direction, of the tire maximum width position. | 04-30-2015 |
| 20150112021 | METHOD FOR PRODUCING POLYMERIZATION CATALYST COMPOSITION, POLYMERIZATION CATALYST COMPOSITION, METHOD FOR PRODUCING POLYMER COMPOSITION, AND POLYMER COMPOSITION - A method for producing a polymer containing silica that does not involve long kneading time, and a polymer composition having an intended low heat generation property. A polymerization catalyst composition is produced by mixing and aging a second element and a third element, and then adding a first element to the mixture to react the first element with the mixture. The first element contains a compound that contains a rare earth metal element, the second element contains a compound represented by the following formula (X), and the third element contains silica. YR | 04-23-2015 |
| 20150107741 | TIRE | 04-23-2015 |
| 20150101728 | TIRE - A tire including a circular tire frame formed of a material containing a resin, the material including a sea/island structure including a sea phase constituted by a first resin material and an island phase constituted by a second resin material that is softer than the sea phase. | 04-16-2015 |
| 20150099852 | AMINOSILANE INITIATORS, FUNCTIONALIZED POLYMERS PREPARED THEREFROM AND RELATED PROCESSES - Disclosed herein are metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer. A telechelic polymer may result from use of the metallated aminosilane compound and a functional terminator. | 04-09-2015 |
| 20150097419 | RUBBER CRAWLER - A rubber crawler includes a rubber belt, a main cord layer that is incorporated within the rubber belt and includes a main cord extending around the crawler circumferential direction, a bias cord layer that is incorporated further to the crawler circumferential outside than the main cord layer and is configured from bias cords extending at an angle with respect to the crawler circumferential direction, a bias cord layer that is interposed between the bias cord layer and the main cord layer, and is configured from bias cords extending at an angle with respect to the crawler circumferential direction so as to intersect the first bias cords, and a reinforcement cord layer that is interposed between the bias cord layer and the bias cord layer, and is configured from reinforcement cords extending in the crawler width direction. | 04-09-2015 |
| 20150094390 | SEALING MATERIAL - Provided is a sealing material having low hardness, low density, and excellent sealing properties. A sealing material, made by vulcanizing and foaming a blend containing: a thermoplastic resin; a foaming agent; a vulcanizing agent; and a rubber component containing a rubber copolymer of ethylene, a non-conjugate diene, and an α-olefin with 3 or more carbon atoms; wherein the blend contains 2 to 4 mass parts of stearic acid and 5 to 7 mass parts of CaO in 100 mass parts of the rubber component, and the 50% compressive stress of the sealing material is 100 kPa or less. | 04-02-2015 |
| 20150094385 | RUBBER FOAM COMPOSITION AND RUBBER FOAM USING SAME - Provided are a rubber foam composition from which a rubber foam having low metal corrosive properties, low fogging properties and reduced odor and causing no poor foaming or tackiness of the rubber foam surface can be obtained, and a rubber foam using the same. The rubber foam composition comprises: a rubber component including a copolymer rubber of ethylene, an α-olefin having three or more carbon atoms and a non-conjugated diene, a vulcanizing agent, and a foaming agent, the composition being characterized in that the vulcanizing agent comprises α,α′-di(t-butylperoxy)diisopropylbenzene and a quinoid-based vulcanizing agent, and characterized by being substantially free of urea-based foaming auxiliary, and the rubber foam uses the same. | 04-02-2015 |
| 20150091372 | RUBBER CRAWLER - A rubber crawler includes a rubber belt, a main cord layer that is incorporated within the rubber belt and includes a main cord configured from plural twisted strands covered with rubber, the main cord extending around the crawler circumferential direction, and a bias cord layer incorporated within the rubber belt at the crawler circumferential outside of the main cord layer configured by at least one bias ply and configured from at least one bias ply that is formed from a plurality of bias cords extending at an angle with respect to the crawler circumferential direction, disposed side-by-side around the crawler circumferential direction and covered in rubber such that bias cords of the bias ply at the circumferential outermost side of the crawler are, as viewed from the crawler circumferential outside, angled toward an opposite side, with respect to the crawler circumferential direction, from the angled side of the strands. | 04-02-2015 |
| 20150090384 | PNEUMATIC TIRE - The present invention has an object of providing a pneumatic tire having a tread pattern capable of providing both excellent drivability and a high partial wear resistance. The pneumatic tire of the present invention includes, in a tread surface, a compound groove partitioned into a first groove portion and a second groove portion by a first groove side and a second groove side, the first groove side having an oblique side portion diagonally disposed relative to a tire circumferential line in plan view, the second groove side intersecting with the oblique side portion of the first groove side at an acute angle in plan view, in which: the first groove portion and the second groove portion both have a groove depth that gradually reduces in an extending direction of the groove toward an intersection between the oblique side portion and the second groove side; and a groove wall extending from the first groove side is formed as a tapered surface mildly-sloped toward a groove bottom on the intersection side when viewed in the groove transverse direction. Further, the pneumatic tire of the present invention includes, in a tread surface, a groove partitioned by at least three groove sides in plan view, in which: one or more of groove walls extending from one of the at least three groove sides that extends in the longitudinal direction of the groove is formed as a tapered surface at least in part thereof; and the tapered surface forms an angle with a plane perpendicular to the tread surface, which varies in the extending direction of the groove side. | 04-02-2015 |
| 20150083300 | HEAVY DUTY TIRE - The present invention provides a heavy duty tire, comprising: a carcass; a belt constituted of a circumferential belt including at least one circumferential belt layer and a slant belt including at least one slanted belt layer, each belt layer being made of cords coated with belt coating rubber; and a cushion rubber provided on the outer side in the tire width direction of the belt layers, characterized in that: the cushion rubber has a belt adjacent portion adjacent to the belt and a main body portion adjacent to the belt adjacent portion; and provided that E1′, E2′ and E3′ represent storage modulus values of the belt adjacent portion of the cushion rubber, the main body portion of the cushion rubber, and the belt coating rubber, respectively, E1′, E2′ and E3′ satisfy relationship E2′| 03-26-2015 | |
