Class / Patent application number | Description | Number of patent applications / Date published |
152525000 | Characterized by chemical composition or physical properties of external sidewall materials | 47 |
20080202660 | Rubber Composition and Pneumatic Tire Using Same - A tire sidewall may be formed from a composition including a rubber component and a non-ionic surfactant. | 08-28-2008 |
20080216934 | Tire with sidewall comprised of low viscosity trans 1,4-polybutadiene, cis 1,4-polyisoprene rubber and cis 1,4-polybutadiene rubber - This invention relates to a tire with a sidewall composition comprised of cis 1,4-polyisoprene rubber, particularly natural rubber, and high cis 1,4-polybutadiene rubber combined with a partial replacement of the cis 1,4-polyisoprene rubber with a low Mooney viscosity specialized trans 1,4-polybutadiene. | 09-11-2008 |
20080216935 | Tire with sidewall comprised of emulsion styrene/butadiene rubber, cis 1,4-polyisoprene rubber and cis 1,4-polybutadiene rubber - This invention relates to a tire with a sidewall composition comprised of cis 1,4-polyisoprene rubber, particularly natural cis 1,4-polyisoprene rubber, and high cis 1,4-polybutadiene rubber combined with a partial replacement of the cis 1,4-polyisoprene rubber, particularly natural rubber, with a specialized emulsion polymerization styrene/butadiene rubber (E-SBR) having a glass transition temperature (Tg), similar to the Tg of natural cis 1,4-polyisoprene rubber, from about −70 to about −60° C. and a limited bound styrene content in a range of from about 12 to about 16 percent. | 09-11-2008 |
20080314495 | Rubber composition for side wall, as well as pneumatic tire - By a rubber composition for a side wall including a solid rubber component including a natural rubber component consisting of 30 to 70% mass of a natural rubber and 30 to 70% mass of a modified natural rubber, and 20 to 60 parts by mass of silica, and 3 to 60 parts by mass of a liquid rubber based on 100 parts by mass of the solid rubber component, as well as a pneumatic tire using the rubber composition, a rubber composition for a side wall in which properties desired in a rubber composition for a side wall such as heat resistance, flexing resistance and fatigue resistance are improved while a use amount of a raw material derived from a petroleum source is reduced, as well as a pneumatic tire using the rubber composition are provided. | 12-25-2008 |
20090000720 | Rubber Composition for Sidewall - A rubber composition for a sidewall, in which balance between tip cut resistance and heat build-up property of a sidewall is enhanced, is provided. Namely, the present invention relates to a rubber composition for a sidewall, comprising a rubber component comprising 10 to 60% by weight of a butadiene rubber, wherein syndiotactic-1,2-polybutadiene having an average primary particle diameter of not more than 100 nm is dispersed in the butadiene rubber. | 01-01-2009 |
20090000721 | Rubber composition for side walls, method of producing the same, and pneumatic tire - There are provided a rubber composition for side walls containing 100 parts by mass of a first rubber component consisting of 30 to 70 mass % of natural rubber and 70 to 30 mass % of epoxidized natural rubber, 20 to 60 parts by mass of silica, and 3 to 60 parts by mass of a second rubber component consisting of liquid rubber, as well as a method of producing the same and a pneumatic tire provided with a side wall rubber consisting of the rubber composition. The rubber composition for side walls has a higher content of source materials deriving from non-petroleum resources, and has excellent durability and an anti-crack-growing property. | 01-01-2009 |
20090008016 | Rubber Composition For Sidewall and Tire Having a Sidewall Using Same - There is provided a rubber composition for a sidewall, use of which makes it possible to consider an effect on environment, prepare for decrease in petroleum supply in future and further improve tear strength, flex crack growth resistance and weather resistance. The rubber composition comprises 15 to 120 parts by weight of a white filler and 5 to 50 parts by weight of graphite having an average particle diameter of 3 to 50 μm on the basis of 100 parts by weight of a rubber component comprising a natural rubber in an amount of not less than 30% by weight. | 01-08-2009 |
20090071586 | Rubber Composition And Pneumatic Tire - A rubber composition is provided that is capable of improving both the road/tire noise and the rolling resistance simultaneously, and is suitable for a side wall. The rubber composition contains a rubber component containing from 20 to 80 parts by weight of at least one of natural rubber and isoprene rubber and from 80 to 20 parts by weight of butadiene rubber, a reinforcing agent, a plasticizer, an additive and a crosslinking agent, and having a dynamic elastic modulus (E′) and a loss factor (tan δ), which are measured according to JIS K6394 at an initial strain of 5%, a dynamic strain of 5%, a frequency of 10 Hz and a temperature of 35° C., satisfying relationships, E′≧4 and tan δ/E′≦0.03. The butadiene rubber preferably contains at least one selected from the group consisting of (A) a coordination polymer of butadiene with a transition metal compound or a metallocene complex of a transition metal compound as a catalyst, (B) an anionic polymer of butadiene with a lithium compound as a catalyst, and (C) butadiene rubber containing syndiotactic 1,2-polybutadiene crystals. | 03-19-2009 |
20090126845 | SILOXANE MODIFIED ELASTOMERS - The present invention relates to coating compositions for use on the surface of elastomeric articles and materials. The compositions are useful in the manufacture of rubber goods such as tires. | 05-21-2009 |
20100000650 | TIRE COMPONENTS WITH IMPROVED HEAT TRANSFER - A tire comprising at least one cured rubber component having boron nitride dispersed within a cured rubber matrix. | 01-07-2010 |
20100032071 | TIRE - A tire satisfying both of the low rolling resistance of the tire and the improvement of tire strength is provided. A tire including sidewall including a rubber composition for sidewall including a rubber composition including a rubber component including 35 to 65% by mass of NR and/or IR, 15 to 55% by mass of a modified BR and 0 to 50% by mass of other rubber and 20 to 40 parts by mass of filler, in which complex elastic modulus E* is 2.0 to 3.5 MPa and tan δ is less than 0.12; case in which cord is covered with a rubber composition for covering case cord including a rubber component including 50 to 80% by mass of NR and/or IR, 20 to 45% by mass of diene rubber of a modified SBR, a modified BR or ENR and 0 to 30% by mass of other rubber and 20 to 40 parts by mass of filler, in which E* is 2.0 to 3.5 MPa and tan δ is less than 0.12; and clinch including a rubber composition for clinch including a rubber component including 30 to 50% by mass of NR and/or IR, 15 to 70% by mass of a modified BR and 0 to 55% by mass of other rubber and 35 to 80 parts by mass of filler, in which E* is 4.5 to 9.0 MPa and tan δ is less than 0.12. | 02-11-2010 |
20100059160 | CARBON BLACK REINFORCED RUBBER COMPOSITION WITH AROMATIC GUANIDINE ANTIOZONANT AND TIRE HAVING COMPONENT THEREOF - This invention relates to a carbon black reinforced rubber composition with aromatic guanidine antiozonant. The invention particularly relates to a sulfur curable rubber composition which contains a primary sulfenamide sulfur vulcanization accelerator and an antiozonant as a combination of amine antiozonant and a sufficient amount of secondary aromatic guanidine sulfur vulcanization accelerator to require a sulfur vulcanization retarder. Representative of such aromatic guanidine sulfur vulcanization compounds are diphenyl guanidine and di-ortho-tolyl guanidine. The invention further relates to rubber products, including tires, particularly tire sidewalls, comprised of such rubber composition, which are intended to have exposure to atmospheric ozone. | 03-11-2010 |
20100071825 | PNEUMATIC TIRE WITH DUAL LAYER SIDEWALL - A pneumatic radial ply tire includes a pair of beads, a single carcass ply, a tread, and a pair of sidewalls. The pair of beads each has an associated chaffer. The single carcass ply is folded about each bead so as to define a main body portion and a turnup portion associated with each bead. The tread is disposed radially outward from the single carcass ply. The tread has shoulder portions disposed at axial outer edges of the tread. The pair of sidewalls extends radially outward from each chaffer to a location adjacent each shoulder portion. Each sidewall is disposed axially outward of the single carcass ply. Each sidewall includes a first outer layer extending from the chaffer to the shoulder portion and a second inner layer extending from the chaffer to the shoulder portion. The second inner layer is disposed entirely between the single carcass ply and first outer layer. The second inner layer comprises a foamed structure of a rubber composition having a density ranging from 0.1 to 1.0 g/cm | 03-25-2010 |
20100108225 | Non-Load Bearing Cut Resistant Tire Side-wall Component Comprising Knitted Textile Fabric, Tire Containing Said Component, and Processes for Making Same - This invention relates to cut-resistant tire side-wall components and tires having same, the tire side-wall components comprising at least a single layer of knitted textile fabric providing multi-directional cut resistance; the fabric comprising a first yarn having cut resistant polymeric fiber and a second yarn having inorganic fiber; the fabric further having a coating for good adhesion of the fabric to rubber such that the cut resistant tire side wall component has a free area of from 18 to 65 percent. | 05-06-2010 |
20100139833 | FIRE RESISTANT TIRE - The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition, the rubber composition comprising:
| 06-10-2010 |
20100212801 | PNEUMATIC TIRE FOR MOTORCYCLE | 08-26-2010 |
20100224299 | RUBBER COMPOSITION FOR TIRE - The present invention relates to a rubber composition for a sidewall, a clinch and an insulation comprising 20 to 60 parts by mass of filler, 1.0 to 4.0 parts by mass of sulfur and 0.1 to 10 parts by mass of at least one vulcanization accelerating aid selected from a group comprising a citraconimide compound, an organic thiosulfate compound, an alkylphenol-sulfur chloride condensate, a compound represented by the formula (2) and a metal salt of methacrylic acid represented by the formula (3), based on 100 parts by mass of a diene rubber component comprising 10 to 70% by mass of at least one diene rubber component (a) selected from a group comprising a solution polymerization-modified styrene-butadiene rubber, a tin-modified butadiene rubber and a butadiene rubber whose terminal is modified with a compound represented by the formula (1), and 20 to 80% by mass of a diene rubber component (b) other than the diene rubber component (a) for the purpose of improving rolling resistance and steering stability. | 09-09-2010 |
20100230029 | BICYCLE TIRE - A bicycle tire provides a first sidewall and a second sidewall each including an interior portion and an exterior portion. A rim attaching portion including a slipping reduction portion having an extended rim contact surface is connected to an inner circumference of each of the first sidewall and the second sidewall. A tire tread portion is connected to an outer circumference of the first sidewall and the second sidewall. A portion of the first sidewall and the second sidewall proximate to the inner circumference of the first sidewall and the second sidewall on the opposite side of the rim attaching portion from the slipping reduction portion has additional material providing a varying thickness. | 09-16-2010 |
20100252162 | Rubber Composition for Sidewall and Preparation Process Thereof - The present invention relates to a rubber composition for a sidewall, in which an effect on environments can be taken into consideration, provision for the future decrease of petroleum supply can be satisfied, and further, tear strength and flex crack growth resistance can be improved with favorable balance without increasing hardness, and a process for preparing the rubber composition. The rubber composition for a sidewall is characterized by comprising 15 to 60 parts by weight of silica and 2 to 20 parts by weight of a double bond-containing plasticizer on the basis of 100 parts by weight of a rubber component comprising 30 to 80% by weight of a natural rubber and 20 to 70% by weight of an epoxidized natural rubber. | 10-07-2010 |
20110048605 | RUBBER COMPOSITION CONTAINING SILICA REINFORCEMENT AND FUNCTIONALIZED POLYBUTADIENE RUBBER AND TIRES HAVING A COMPONENT THEREOF - This invention relates to a silica reinforcement-containing rubber composition which contains a functionalized polybutadiene rubber to promote a relatively low hysteretic loss to thereby enhance its desirability for tire sidewall and subtread applications in a sense of advantageously promoting reduced tire rolling resistance without significantly compromising various other desirable tire performance parameters. | 03-03-2011 |
20110094648 | PNEUMATIC TIRE - In order to improve ride quality and steering stability, the present invention provides a pneumatic tire having a sidewall made of a rubber composition for a sidewall comprising at least a natural rubber and a diene rubber comprising a syndiotactic 1,2-polybutadiene, wherein rubber sheets obtained by extruding at a thickness of at most 1.5 mm the rubber composition for a sidewall with a complex modulus E*a in a tire circumferential direction measured at a temperature of 70° C. and a dynamic distortion of 2% of 3 to 15 MPa are laminated. | 04-28-2011 |
20110094649 | RUBBER COMPOSITION FOR SIDEWALL AND TIRE HAVING SIDEWALL USING THEREOF, AND RUBBER COMPOSITION FOR CLINCH AND TIRE HAVING CLINCH USING THEREOF - An object of the present invention to provide a rubber composition for sidewall and a tire having sidewall using thereof as well as a rubber composition for clinch and a tire having clinch using thereof that adjust scorch time and suppress surface bloom, reduce rolling resistance, can obtain sufficient rigidity as sidewall and clinch, and can improve elongation at break and durability. The present invention relates to a rubber composition for sidewall and a rubber composition for clinch including specific amount of an alkylphenol-sulfur chloride condensate indicated by the formula (B1): | 04-28-2011 |
20110146873 | PNEUMATIC TIRE WITH RUBBER COMPONENT CONTAINING EPOXIDIZED PALM OIL - The present invention is directed to a pneumatic tire comprising at least one component selected from the group consisting of beads, apexes, and sidewall veneers, the at least one component comprising a rubber composition, the rubber composition comprising:
| 06-23-2011 |
20110180195 | COMPOUNDING SILICA-REINFORCED RUBBER WITH LOW VOLATILE ORGANIC COMPOUND (VOC) EMISSION - Alkoxy-modified silsesquioxane compounds are described. The 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 of volatile organic compounds (VOC), especially alcohol, during compounding and further processing. Further described are methods for making alkoxy-modified silsesquioxanes, methods for making vulcanizable rubber compounds containing alkoxy-modified silsesquioxanes, vulcanizable rubber compounds containing alkoxy-modified silsesquioxanes, and pneumatic tires comprising a component that contains alkoxy-modified silsesquioxanes. | 07-28-2011 |
20110240197 | PNEUMATIC TIRE AND RUBBER COMPOSITION CONTAINING TWIN POLYMERIZATION STRUCTURES - The present invention is directed to a pneumatic tire comprising a component, the component comprising a rubber composition comprising a diene based elastomer and 1 to 100 phr of:
| 10-06-2011 |
20110297288 | TIRE MOLD, METHOD OF MANUFACTURING PNEUMATIC TIRE AND PNEUMATIC TIRE - A tire mold has a tire molding surface and a rough surface molding portion provided in the tire molding surface. In the rough surface molding portion, a maximum height Rz is not less than 4 μm, a material ratio Rmr(c) in a case where 20% of the maximum height Rz is set to a cutting level c is not less than 3.5%, and a material ratio Rmr(c) in a case where 30% of the maximum height Rz is set to the cutting level c is not more than 25%. | 12-08-2011 |
20120298275 | PNEUMATIC TIRE - The present invention provides a pneumatic tire having excellent durability. Provided is a pneumatic tire including a sidewall and a carcass, the sidewall being produced from a rubber composition for a sidewall which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composition for a sidewall and the rubber composition for a carcass topping satisfying a specific relationship. Provided is a pneumatic tire including a clinch and a carcass, the clinch being produced from a rubber composition for a clinch which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composition for a clinch and the rubber composition for a carcass topping satisfying a specific relationship. | 11-29-2012 |
20130081747 | USE OF COLORED INDICIA ON TIRES AS A DESIGNATOR - A method of providing race-specific information to an audience includes mounting a tire onto a vehicle entered in the race, the tire having information-bearing indicia provided on a black outer sidewall of the tire. The method further includes providing race-specific information to the audience by placing the vehicle in a stopped position on the track to expose the black outer sidewall of the tire to the audience, thereby permitting the audience to visibly detect the information-bearing indicia when the vehicle is stopped. The method also includes providing the same race-specific information to the audience by driving the vehicle along the track to expose the black outer sidewall of the tire to the audience thereby permitting the audience to visibly detect the information-bearing indicia on the black outer sidewall of the tire when the vehicle is moving. | 04-04-2013 |
20130112331 | OFF-THE-ROAD TIRE WITH SILICA REINFORCED SIDEWALL - This invention relates to pneumatic rubber tires intended for use on tire sidewall engaging surfaces. In one embodiment, such rubber tire is further intended for use under heavy loaded conditions. Such tires may be referred to as off-the-road tires for use in non-highway service conditions which may include, for example, off-the-road tire, agricultural tire and industrial tire applications. Very large off-the-road tires having rim diameters of at least about 57 inches (144 cm) are a feature of this invention. | 05-09-2013 |
20130146197 | PNEUMATIC TIRE - To provide a pneumatic tire by which rolling resistance is reduced while cracking resistance in side wall portions is maintained. A foam rubber layer 6 extending in a tire radial direction is disposed in at least a portion of the side wall portion 3. Heat conductivity at 23° C. of the foam rubber layer 6 is from 0.05 to 0.20 W/mK, a tan δ at 60° C. is not more than 0.17, and an expansion ratio Q is from 50 to 160%. | 06-13-2013 |
20130240104 | Tire, the Sidewalls of which are Reinforced with a Film of Multiaxially Stretched Thermoplastic Polymer - Tire comprising a crown surmounted by a tread, two sidewalls, two beads, each sidewall joining each bead to the crown, a carcass reinforcement anchored in each of the beads and extending into the sidewalls and into the crown, a belt extending into the crown circumferentially and located radially between the carcass reinforcement and the tread. At least one of its sidewalls is reinforced by a multiaxially stretched thermoplastic polymer film, positioned between and in contact with two layers of rubber composition, and on the outside with respect to the carcass reinforcement. Preferably, the thermoplastic polymer film has, irrespective of the tensile direction considered, a tensile modulus E which is greater than 500 MPa, a maximum tensile stress σ | 09-19-2013 |
20130333819 | TIRE CASING - A tire casing wherein when a distance from an end part of the tread member joint surface to an end part of the bottom surface of the bead part along the surface of the sidewall part is defined to be 1, the tire casing has a side rubber member (A) extending in a proportion of from 0.09 to 0.30 of the distance along the surface of the sidewall part from the end part of the tread joint surface, and side rubber member (A) contains 100 parts by mass of a rubber component comprising at least one or more selected from the group consisting of a natural rubber, a synthetic isoprene rubber, a polybutadiene rubber, and a styrene-butadiene copolymer rubber, and from 40 to 100 parts by mass of carbon black having a nitrogen adsorption specific surface area (N | 12-19-2013 |
20130340909 | TIRE WITH COMPOSITE OF CHAFER AND OUTER SIDEWALL RUBBER LAYER COMPONENTS - The invention relates to a tire having a component composed of a composite of rubber chafer and outer sidewall layer components comprised of rubber compositions containing the same or different specialized cis 1,4-polybutadiene elastomers. | 12-26-2013 |
20140020808 | RUBBER COMPOSITION - A rubber composition obtained by kneading at least one selected from the group consisting of (A1), (B1), (C1) and (D1), a rubber component and a filler, and a method of improving the viscoelastic property of vulcanized rubber, comprising a first step of kneading at least one selected from the group consisting of (A1), (B1), (C1) and (D1), a rubber component, a filler and a sulfur component and a second step of thermally treating the kneaded material obtained in the previous step.
| 01-23-2014 |
20140144566 | PNEUMATIC TIRE - The present invention provides a pneumatic tire having an excellent finished bonding surface between the tread and its adjacent wing or sidewall while maintaining required performance of a tire such as abrasion resistance and resistance to degradation over time. The present invention relates to a pneumatic tire including a tread and a wing or sidewall adjacent to the tread, wherein the tread is formed from a rubber composition for a tread which has a specific net sulfur content derived from crosslinking agents; the wing or sidewall is formed from a rubber composition for a wing or sidewall which has a specific net sulfur content derived from crosslinking agents; and a specific relationship is satisfied between the net sulfur content derived from crosslinking agents in the rubber composition for a tread and the net sulfur content derived from crosslinking agents in the rubber composition for a wing or sidewall. | 05-29-2014 |
20140202609 | RUBBER COMPOSITION FOR SIDEWALL AND TIRE USING THE SAME - An object of the present invention is to provide a rubber composition for a sidewall having excellent conductivity, anti-spew cutting property and extrusion processability in good balance and assuring low production cost. The present invention provides a rubber composition for a sidewall comprising 2 to 15 parts by mass of a wet processed silica having a BET specific surface area of 70 to 250 m | 07-24-2014 |
20140299249 | TIRE PROVIDED WITH AN OUTER SIDEWALL COMPRISING A MIXTURE OF A DIENE ELASTOMER AND A THERMOPLASTIC ELASTOMER - A tire includes an external sidewall, having improved airtightness. The external sidewall includes at least one rubber composition comprising at least one or more diene elastomers at a total content of 1 to 99 phr, one or more thermoplastic elastomers having a polyisobutylene block at a total content of 1 to 99 phr, optionally a reinforcing filler at a content of 0 to 120 phr, and a crosslinking system. | 10-09-2014 |
20140326386 | PNEUMATIC TIRE - Provided is a pneumatic tire ensuring conductivity while being reduced in weight, and having good fuel efficiency and handling stability. The tire includes a sidewall and a carcass, the sidewall including a laminate of two or more rubber layers including an inner sidewall layer ( | 11-06-2014 |
20140332136 | HEAVY-DUTY TIRE - Disclosed is a heavy duty tire exhibiting satisfactory anti-cut resistance and low heat generation property, as well as excellent resistance to crack growth toward inside of the tire. This invention is characterized by a tire side portion ( | 11-13-2014 |
20140360645 | TIRE - The present invention provides a tire including a side portion ( | 12-11-2014 |
20150013871 | Compression Molded Green Rubber Component and Method for Manufacturing the Same - Various embodiments of a compression molded green rubber component, and methods for manufacturing the same, are disclosed. | 01-15-2015 |
20150013872 | PNEUMATIC TIRE - The present invention provides a pneumatic tire having excellent durability. Provided is a pneumatic tire including a sidewall and a carcass, the sidewall being produced from a rubber composition for a sidewall which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composition for a sidewall and the rubber composition for a carcass topping satisfying a specific relationship. Provided is a pneumatic tire including a clinch and a carcass, the clinch being produced from a rubber composition for a clinch which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composition for a clinch and the rubber composition for a carcass topping satisfying a specific relationship. | 01-15-2015 |
20150041038 | Pneumatic Tire and Method of Manufacturing Pneumatic Tire - A pneumatic tire is provided with a carcass layer and a sidewall rubber disposed on an outer side in a tire width direction of the carcass layer. Additionally, the pneumatic tire is provided with a resin coating applied on a predetermined region of a sidewall portion. Additionally, a minimum value of a wall thickness t of a rubber of the sidewall portion in the region applied with the resin coating is in a range of 0.05 mm≦t≦4.0 mm. Additionally, a thickness of the resin coating is in a range of 20 μm or more and 300 μm or less. | 02-12-2015 |
20150367685 | TIRE FOR HEAVY LOADS - To improve durability performance and rolling resistance performance in a well-balanced manner. It is a tire for heavy loads including a carcass ply ( | 12-24-2015 |
20160052340 | PNEUMATIC TIRE - Provided is a pneumatic tire having an excellent finished bonding surface between the tread and its adjacent wing or sidewall while ensuring properties required for tires, such as wet grip performance, abrasion resistance, and resistance to degradation over time. Included is a pneumatic tire including a tread and a wing or sidewall adjacent to the tread, wherein the tread is formed from a tread rubber composition that has an amount of aluminum hydroxide having an average particle size of 0.69 μm or smaller and a N | 02-25-2016 |
20160101652 | Motorbike Tire Carcass And Crown Reinforcements - A tire of the “bias belted” type for a motorbike comprises: a tread ( | 04-14-2016 |
20170232796 | TIRE | 08-17-2017 |