Entries |
Document | Title | Date |
20080216929 | MANUFACTURING METHOD OF PNEUMATIC TIRE AND PNEUMATIC TIRE - A first conductive rubber layer is formed by arranging a filament conductive rubber within a ground surface of a shoulder portion of a nonconductive tread rubber so as to be along a tire circumferential direction, before vulcanizing a tire. Further, a second conductive rubber layer is formed by arranging a filament conductive rubber extending to an outer side in a tire width direction along an extending direction of a slit from the first conductive rubber layer and reaching a strip rubber while cutting across a ground end E, before vulcanizing the tire. Further, a tread pattern is formed in such a manner that the first conductive rubber layer vertically cuts across the slit and the second conductive rubber layer is arranged within the slit, at a time of vulcanizing the tire. | 09-11-2008 |
20080223494 | PNEUMATIC TIRE - A pneumatic tire using as a tread part, a rubber composition containing a high silica-content rubber composition having a difference F-S between an amount of filler F and an amount of a softening agent S of 60 to 90 parts by weight and having a durometer hardness measured at 20° C. of 65 to 76. | 09-18-2008 |
20080245454 | METHOD OF ESTIMATING A HEIGHT OF WATER IN CONTACT WITH A TIRE ON A ROAD - A method of estimating the height of water (h | 10-09-2008 |
20080245455 | METHOD OF DETECTING AN OCCURRENCE OF HYDROPLANING OF A TIRE ON A ROAD - In a method of detecting an occurrence of hydroplaning of a tire of a vehicle travelling on wet ground, a tread of the tire of the vehicle is equipped with one or more sensors each capable of measuring a compression experienced locally by the tread when the tire is rolling on the ground and of producing a signal corresponding to these measurements. According to the method, measurements are obtained of a compression when the tire is rolling on the ground; a signal corresponding to these measurements is produced; a portion of the signal relating to a passing of one or more sensors into an apparent area of contact between the tire and the ground is extracted; an instantaneous value (ΔE, R | 10-09-2008 |
20080245456 | METHOD OF DETECTING HYDROPLANING AND ESTIMATING AN INTENSITY OF HYDROPLANING OF A TIRE ON A WET ROAD - In a method of detecting hydroplaning and estimating an intensity of hydroplaning of a tire of a vehicle travelling over a wet ground of a road, measurements are made of stresses in the tread of the tire, a water height present on the road is estimated, and, based on the measured stresses and the estimated water height, hydroplaning is detected and its intensity is estimated. | 10-09-2008 |
20080251174 | Pneumatic Tyre - A pneumatic tyre includes: a carcass structure with at least one carcass ply shaped in a substantially toroidal configuration, the opposite lateral edges of which are associated with respective right-hand and left-hand bead wires, each bead wire being enclosed in a respective bead, a belt structure including at least one belt layer applied in a circumferentially external position relative to the carcass structure; a tread band superimposed circumferentially on the belt structure including a radially outer layer designed to come into contact with the ground; and a pair of sidewalls applied laterally on opposite sides relative to the carcass structure. The tread band includes an elastomeric material obtained by cross-linking a cross-linkable elastomeric composition including: a) from 15 phr to 95 phr of at least one styrene-butadiene rubber; b) from 5 phr to 30 phr of at least one halogenated butyl rubber; c) from 0 phr to 60 phr of at least one diene rubber other than a); d) from 0.3 phr to 3.5 phr of at least one aminosilane containing at least one hydroxy group or hydrolysable group attached to the silicon atom of the silane; e) from 10 phr to 140 phr of at least one silica filler; and f) from 0.5 phr to 25 phr of at least one sulphur-containing silane with at least one hydroxy group or hydrolysable group attached to the silicon atom of the silane. | 10-16-2008 |
20080277037 | Pneumatic Radial Tire - A pneumatic tire for airplanes that assures a good high-speed durability and wear characteristics without its excellent durability against foreign object being impaired is provided. The number of plies of the main belt layer | 11-13-2008 |
20080277038 | Method of making moulds for studded tires - A method for producing a mould lining (G) intended for the manufacture of tires comprising tread blocks that have incisions in them and studs. A mould lining is produced by positioning lamella (L | 11-13-2008 |
20080283166 | Method for manufacturing pneumatic tire - A method for manufacturing a pneumatic tire with tread grooves comprises: building a green tire, and vulcanizing the green tire in a mold, wherein the building of the green tire includes making a tread rubber by overlap-winding a raw rubber tape, and the mold is provided with protrusions for molding the tread grooves on the tread rubber. During vulcanizing the green tire in the mold, one of the protrusions is positioned radially outside an end of the raw rubber tape so that the end is relatively pressed radially inwards of the tire by the protrusion. | 11-20-2008 |
20080295935 | Rubber Composition and Tire - A rubber composition comprising: (A) a rubber component including 30 to 100 mass % of diene rubber having at least one functional group selected from the group consisting of an amino group, an alkoxysilyl group, an epoxy group, a hydroxyl group, and a carboxyl group in an amount of 0.01 to 5.0 mmol per 100 g of the diene rubber; (B) silica in an amount of 5 to 130 parts by mass per 100 parts by mass of the rubber component; and (C) an aliphatic component having at least one functional group selected from the group consisting of a carboxyl group, a hydroxyl group, an amino group, and an epoxy group in an amount of 3 to 15 parts by mass per 100 parts by mass of the silica. The rubber composition and a tire using the rubber composition exhibit excellent scorching properties before vulcanization and exhibit excellent rolling resistance and wet skid properties after vulcanization. | 12-04-2008 |
20080295936 | ELASTOMERS CONTAINING SURFACE METALATED SILICEOUS FILLERS - This invention is based upon the concept of modifying the surface of silica with a metal, such as titanium or zirconium, which will catalyze silanol condensation reactions on the surface of the silica. In other words, modifying the surface of silica with titanium or zirconium provides a catalyst for the silanol condensation reaction between the silica surface and silane coupling agents used in silica filled compounds. The utilization of such metalated silica as a filler in rubber compositions results in improved polymer filler interaction and in turn improved physical properties. For instance, such surface metalated siliceous fillers can be used in tire tread compounds to attain improved rolling resistance and treadwear without compromising traction characteristics. The present invention more specifically discloses an elastomeric composition which is comprised of (1) a rubbery polymer, (2) a silica coupling agent, and (3) a surface metalated siliceous filler. The subject invention further reveals a tire which is comprised of a generally toroidal-shaped carcass with an outer circumferential tread, two spaced beads, at least one ply extending from bead to bead and sidewalls extending radially from and connecting said tread to said beads, wherein said tread is adapted to be ground-contacting, and wherein said tread is comprised of (1) a rubbery polymer, (2) a silica coupling agent, and (3) a surface metalated siliceous filler. | 12-04-2008 |
20080308204 | FUNCTIONAL POLYMERS PREPARED WITH SULFUR-CONTAINING INITIATORS - A method for forming a polymer including a sulfur-containing functional group, the method comprising introducing a sulfur-containing initiator defined by the formula | 12-18-2008 |
20080314484 | Rubber composition for tire, and winter tire using the same - A rubber composition for a tire having improved grip performance on an ice snow road surface while maintaining abrasion resistance performance, containing 5 to 150 parts by mass of an aromatic vinyl polymer and 5 to 200 parts by mass of silica based on 100 parts by mass of a diene-based rubber component containing not less than 20% by mass of a natural rubber and not less than 5% by mass of polybutadiene. It is preferable that a cis content of the polybutadiene is not less than 93%, and a weight average molecular weight of the aromatic vinyl polymer is 300 to 10000. | 12-25-2008 |
20090000711 | Rubber mixture and tires - The invention relates to a sulfur-cross-linkable rubber mixture, which contains 20-80 phr of at least one solution polymerized styrene-butadiene copolymer A, whose end groups at least are chemically modified with a nitrogen containing compound, and 20-80 phr of at least one other solution polymerized styrene-butadiene copolymer B, which has coupling centers with epoxide groups, in particular for good tire properties and good breaking behavior. | 01-01-2009 |
20090008010 | ARTICLE AND METHOD FOR IMPROVING VEHICLE MILEAGE THROUGH GRADUAL INCREASE OF TIRE PRESSURE AS A VARIABLE OF INCREASED SPEED - The present invention relates to an article and a method of improving vehicle mileage by modifying and increasing the tire tread pressure above the internal tire air pressure resulting in lowering the rolling friction. | 01-08-2009 |
20090078348 | Rubber Composition For Tire Cap Tread - The rubber composition for a tire cap tread includes a rubber component containing not less than 15% by weight of a terminal-modified diene rubber having a number average molecular weight prior to modification of 150000 to 400000, a filler, and a compound (vulcanizing agent) represented by the following general formula (1) in an amount of 0.5 to 5 parts by weight based on 100 parts by weight of the rubber component: | 03-26-2009 |
20090084476 | MANUFACTURING METHOD OF RUBBER COMPOSITION AND PNEUMATIC TIRE - The invention provides a rubber composition that is superior in low heat build-up property and wear resistance. It is a manufacturing method of a rubber composition containing 30 to 150 parts by mass of silica and 0.5 to 10 parts by mass of an organic vulcanization agent represented by the following general formula (1) to 100 parts by mass of a rubber component, including a first kneading step of kneading the organic vulcanization agent and silica into the rubber component, and a second kneading step of kneading a vulcanization agent and a vulcanization accelerator thereafter: | 04-02-2009 |
20090095390 | Method for Producing a Tread Rubber for a Vehicle Tire, in Particular a Pneumatic Vehicle Tire - A process for producing a tread for a tire with a radially inner layer composed of a first rubber material and with a radially outer second layer composed of a second rubber material and forming the ground-contact surface of the pneumatic tire. The first rubber material has higher electrical conductivity than the second rubber material, and where, in a form of a web axially dividing the second layer around the periphery of the tire, the first rubber material extends radially outwards through the second layer as far as the ground-contact surface. A ply of the first and second layers are constructed radially one on the other, on a rotationally symmetric construction surface, on one of the two axial sides of the web to be produced. | 04-16-2009 |
20090107596 | NON-PNEUMATIC TIRE - A non-pneumatic tire comprising side cavities that are staggered with respect to laterally opposing side cavities, and laterally extending tread grooves that are in substantial radial alignment with the cavities. In another embodiment, the invention is to a tire comprising side ribs that are staggered with respect to laterally opposing side ribs, and laterally extending tread grooves that are substantially offset relative to the side ribs. Also provided are processes for making such tires and to off-the-road (OTR) vehicles employing such tires. | 04-30-2009 |
20090151830 | TIRE WITH TREAD RUBBER COMPOSITION WHICH CONTAINS DUAL SILICA MOIETIES - The invention relates to a tire having a tread of a cured rubber composition which contains dual silica moieties in a sense of containing both hydrophilic precipitated silica and in situ hydrophobated precipitated silica. | 06-18-2009 |
20090151831 | TIRE WITH TREAD RUBBER COMPOSITION WHICH CONTAINS DUAL SILICA MOIETIES - The invention relates to a tire having a tread of a cured rubber composition which contains dual silica moieties in a sense of containing both hydrophilic precipitated silica and in situ hydrophobated precipitated silica. | 06-18-2009 |
20090159165 | TIRE TREAD COMPOSITE AND RETREADED RUBBER TIRE - This invention relates to a cured tire tread composite and to the retreading of a tire. The cured tire tread composite is comprised of a cured tire tread having a removable protective film molded onto one of its surfaces. The invention further relates to the retreading of a tire carcass and a retreaded tire. | 06-25-2009 |
20090183810 | Newly manufactured airless or pneumatic tire having a reinforced rubber structure and a polyurethane tread - This invention pertains to a newly manufactured airless or pneumatic tire having a rubber structure and a polyurethane tread. | 07-23-2009 |
20090194211 | TIRE TREAD GROOVES WITH TEXTURED BASES - A pneumatic tire includes an axis of rotation and a tread. The tread has a plurality of traction elements, a circumferential groove, and a lateral groove. The circumferential groove has a base interposed between radially extending sides formed by side walls of the traction elements. The lateral groove has a base interposed between radially extending sides formed by side walls of the traction elements. The tire is further characterized by the bases of the circumferential groove and the lateral groove each defining a matrix of circumferentially extending rectangular ramp structures, one ramp structure of the plurality extending circumferentially, from a radially inner first end portion, in a direction of rotation of the tire and radially outward to a radially outer second end portion, the radially outer second end portion defining an edge portion extending parallel to the axis of rotation of the tire, the edge portion improving traction of the tire and evacuation of the circumferential and lateral grooves. | 08-06-2009 |
20090205762 | METHOD FOR IMPROVED RETREAD ENDURANCE - The present invention relates to a method of retreading a tire and a retread tire ( | 08-20-2009 |
20090211677 | MODULAR TIRE ASSEMBLY - The present invention is generally related to a tire assembly comprising a plurality of non-pneumatic tires removably disposed on a single rim. | 08-27-2009 |
20090218016 | Tyre | 09-03-2009 |
20090218017 | Tire, a Mold for Vulcanizing the Tire, a Method of Fabricating the Mold, and a Mold Matrix - A tire includes a tread in which there is provided a molded channel. The molded channel is interrupted by at least one furrow of the tread and extends along a curved path. The path of the molded channel is preferably substantially parallel to an outside surface of the tread in a radial section plane of the tire. | 09-03-2009 |
20090283186 | RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention is directed to a method of making a rubber composition, comprising the steps of
| 11-19-2009 |
20090283187 | FUNCTIONALIZED ELASTOMERS - The present invention is directed to a method of preparing a functionalized elastomer, comprising the steps of
| 11-19-2009 |
20100000639 | VULCANIZABLE COMPOSITIONS AND TIRE TREADS PREPARED THEREWITH - A method for preparing a tire tread, the method comprising vulcanizing a vulcanizable composition comprising a rubber component including a functionalized polymer and a cure system, where the cure system includes sulfur and a disulfide compound represented by the formula I | 01-07-2010 |
20100024936 | TWO-PIECE TIRE - A two-piece tire assembly | 02-04-2010 |
20100032067 | HEAVY DUTY TIRE - An off the road tire comprising a carcass, a tread located radially outward of the carcass, the tread having a plurality of lugs, the lugs extending radially outward from an inner tread and being located between first and second lateral tread edges, a first row of lugs extending from the tread lateral edge axially inwards toward the centerplane, a second row of lugs extending from the opposite tread lateral edge and axially inwards toward the centerplane and wherein the lugs of the first and second rows are separated by a plurality of shoulder grooves, a third row of lugs located between the first and second row of lugs, wherein all of the lugs in each row are aligned circumferentially, wherein the lugs in the third row have two or more ends formed by grooves. | 02-11-2010 |
20100043933 | SILOXANE-BASED COMPOSITION WHICH IS INTENDED FOR TIRE MOLDING/STRIPPING - The invention relates to compositions in the form of silicone oil emulsions which are intended to be applied to curing bladders as a mold-release agent during tire production. | 02-25-2010 |
20100051153 | RUBBER COMPOSITION FOR STUDLESS TIRE AND STUDLESS TIRE USING THE SAME - The present invention has its object to provide a high performance studless tire, which has both good braking force and high handling stability on ice or snow, at higher productivity and at a lower price for customers. The studless tire comprises a tread made of a rubber composition that contains 0.5 to 5.0 parts by mass of a fatty acid and/or a derivative of the fatty acid per 100 parts by mass of a rubber component. | 03-04-2010 |
20100059155 | PNEUMATIC TIRE HAVING A HIGH STRENGTH/HIGH MODULUS POLYVINYL ALCOHOL CARCASS PLY - A light weight pneumatic tire in accordance with the present invention includes a pair of parallel annular beads, a carcass ply comprising a polyvinyl alcohol crosslinked raw cord, a belt reinforcement structure disposed radially outward of the carcass ply in a crown area of the tire, a tread disposed radially outward of the belt reinforcement structure, and a pair of sidewalls disposed between the tread and the pair of beads. The polyvinyl alcohol crosslinked raw cord has a weight in the range of 1500 dtex to 2500 dtex. | 03-11-2010 |
20100071818 | AMINO ALKOXY-MODIFIED SILSESQUIOXANES IN SILICA-FILLED RUBBER WITH LOW VOLATILE ORGANIC CHEMICAL EVOLUTION - A vulcanizable rubber composition is presented that comprises an elastomer; a reinforcing filler selected from silica, carbon black, and mixtures thereof, a cure agent; and an amino alkoxy-modified silsesquioxane (AMS) comprising one or more compounds selected from the group consisting of an amino AMS, an amino/mercaptan co-AMS, an amino/blocked mercaptan co-AMS, mixtures thereof, and weak acid-neutralized solid and aqueous solutions thereof. Addition of such compounds to the rubber composition provides improved dynamic viscoelastic and mechanical properties of the vulcanized rubber compound and predict that tire components, especially tread stocks, will provide tires having improved snow traction, lower rolling resistance but equal wet traction, increased rebound, decreased hysteresis, and a general improvement in tire performance. | 03-25-2010 |
20100116389 | CUSHION COMPOUND FOR COLD-RETREADING TYRES - A cushion compound for cold retreading tyres, having a polymer base, a reinforcing filler, a curing system, and 0.5 to 15 phr of a para-t-butylphenolacetylene tackifier resin. | 05-13-2010 |
20100132861 | TIRE WITH CELLULAR RUBBER TREAD RUNNING SURFACE - The invention relates to a tire having a tread with a cellular rubber running surface to promote a fast wearing tread running surface designed to expel internally heated tread rubber. | 06-03-2010 |
20100139825 | Rubber Retreading Formulation - A cushion gum of having a diene rubber and between 5 and 60 phr of a plasticizing hydrocarbon resin having a glass transition temperature greater than about 20° C., 60° C. or even greater than 70° C. and a number average molecular weight less than 2000. The cushion gum may comprise between 10 and 30 phr of the resin in particular embodiments. The plasticizing resin may be a terpene resin comprising units resulting from the polymerization of limonene, alpha pinene, beta pinene or combinations thereof; homopolymers or copolymers of cyclopentadiene (CPD) or dicyclopentadiene (DCPD), homopolymers or copolymers of terpene, homopolymers or copolymers of a C | 06-10-2010 |
20100154946 | TIRE TREAD STRIP AND METHOD OF PREPARATION - This invention relates to a tire tread strip and method of preparation. | 06-24-2010 |
20100154947 | METHOD FOR RETREADING A TIRE - The present invention is directed to a method of retreading a pneumatic tire, comprising the steps of: | 06-24-2010 |
20100170598 | Tire structure with inked rubber skin and method of manufacturing the same - A tire structure includes a green base tire and a green inked rubber skin combined with a surface of one of tire walls of the green base tire, combined with a tire surface, or combined with the tire surface and the tire wall to have a ring structure. Thus, decorative patterns and texts can be printed on the green inked rubber skin so that the tire has the higher visibility. Also, a manufacturing method is also disclosed. The method includes the steps of: providing a green base tire and a green inked rubber skin; temporarily adhering the green inked rubber skin to a predetermined position of the green base tire to form an assembly; and then placing the assembly into a vulcanizing machine for heating and vulcanizing for a period of time so that the green inked rubber skin can be permanently combined with the green base tire. | 07-08-2010 |
20100186858 | SIPE GEOMETRY FOR IMPROVED BUFFING OF TREAD BAND | 07-29-2010 |
20100200131 | NON-PNEUMATIC TIRE AND ITS MANUFACTURING METHOD - In a non-pneumatic tire having a support structure body supporting a load from a vehicle, the support structure body (SS) comprises an inner annular portion ( | 08-12-2010 |
20100206443 | Heterogeneous Rubbery Polymers Having Random, Tapered, and Block Portions Therein and Methods of Making Same - A heterogeneous rubbery polymer is provided that includes a polymer chain derived from a vinyl aromatic monomer and a conjugated diolefin monomer, wherein from greater than 20 weight percent to about 40 weight percent of units in the rubbery polymer are derived from the vinyl aromatic monomer and from about 60 weight percent to about 80 weight percent of units in the rubbery polymer are derived from the conjugated diolefin monomer. The polymer chain is further characterized by having greater than zero and less than about 30 weight percent of the vinyl aromatic units in sequences containing 1 vinyl aromatic unit, from about 5 weight percent to about 20 weight percent of the vinyl aromatic units in sequences containing 5 to 8 vinyl aromatic units, and greater than zero and less than about 5 weight percent of the vinyl aromatic units in sequences containing 9 or more vinyl aromatic units. | 08-19-2010 |
20100206444 | RUBBER COMPOSITION FOR TIRE AND PNEUMATIC TIRE - There are provided a rubber composition for tire including a rubber component containing at least one selected from the group consisting of natural rubber, epoxidized natural rubber and deproteinized natural rubber; silica; and a silane compound represented by the following general formula (1) | 08-19-2010 |
20100218865 | AIRPLANE TIRE WITH AIR POCKET - Disclosed is an airplane tire, and more particularly, is an airplane tire having air pockets, which can allow a tire wheel to rotate using the resistance of air depending on the speed of an airplane upon landing. The airplane tire can alleviate the landing shock of the tire and preventing wear and deformation of the tire by friction. In particular, the airplane tire can shorten a damping distance by virtue of an increased frictional force thereof when an airplane body stops using a tire wheel brake and achieve generation of a sufficient centrifugal force by rotation, thereby contributing to the safe flying of an airplane and the elimination of environmental pollution. | 09-02-2010 |
20100224295 | TREAD FOR RETREAD TIRE AND RETREAD TIRE - This invention provides a tread for retread tire capable of lowering a running temperature to suppress deterioration of peel strength at a retreading face between a tread and a base tire and further obtaining a good peel strength without sacrificing a tear resistance. In a tread | 09-09-2010 |
20100252156 | Process for Preparing a Diene Copolymer Comprising a Polyether Block, Diene Copolymer Comprising a Polyether Block, Reinforced Rubber Composition and Tire - A process for preparing, in one step, a diene block copolymer, of which at least one of these blocks is constituted of a polyether, the number-average molecular weight of which is approximately from 100 to 5000 g/mol, and at least one other of these blocks is constituted of a diene elastomer. The process according to the invention allows a high degree of grafting of the polyether to the polymer chains. Also disclosed is a reinforced rubber composition, especially intended for the manufacture of tires, comprising such a block copolymer which is intended to interact with the reinforcing filler. Such a rubber composition has improved hysteresis properties in the vulcanized state, while retaining satisfactory processing properties in the non-vulcanized state. | 10-07-2010 |
20100288406 | PNEUMATIC TIRE - Provided is a pneumatic tire whose frictional force on ice is improved by satisfactorily forming resin-encapsulated cells from heat-expandable microcapsules, even when a tread rubber contains silica. The tire is characterized in that: the tread rubber is made of a rubber composition containing 100 parts by weight of a diene rubber, 30 to 100 parts by weight of a reinforcing filler including at least 10 parts by weight of silica, and 1 to 20 parts by weight of microcapsules each encapsulating a heat-expandable substance; a sulfur-containing silane coupling agent is mixed in the rubber composition in an amount of 3 to 15 wt. % based on the weight of the silica; a shell material of each microcapsule is made of a thermoplastic resin which essentially contains a nitrile monomer (I); a vapor pressure of the heat-expandable substance is set at 1.4 to 3.0 MPa at 150° C.; an average particle diameter of the microcapsules is set at 20 to 30 μm before vulcanization of the rubber composition; an average particle diameter of the microcapsules expanded due to the vulcanization is set at 40 to 80 μm; and thus, a proportion of an area occupied by the cells in the tread rubber is set at 5 to 30%. | 11-18-2010 |
20100288407 | DENDRIMERS OF RUBBERY POLYMERS - This invention discloses a process for synthesizing a dendrimer of a rubbery polymer comprising: (a) reacting a lithium terminated rubbery polymer with a halogenated tin containing compound to produce a polymer which is terminated with halogenated tin moieties, wherein the halogenated tin containing compound is of the structural formula: | 11-18-2010 |
20100294407 | RUBBER COMPOSITION FOR A TIRE TREAD AND PNEUMATIC TIRE USING THE SAME - A rubber composition for a tire tread including a diene rubber component and silica and carbon black, and a pneumatic tire provided with a tread manufactured from this rubber composition, the diene rubber component including:
| 11-25-2010 |
20110005649 | PNEUMATIC TIRE - A pneumatic tire has two circumferential-direction main grooves ( | 01-13-2011 |
20110024009 | PNEUMATIC TIRE FOR MOTORCYCLE - Disclosed is a pneumatic tire for motorcycle wherein edge effect can be achieved without changing the design of block pattern, and stability of steering such as grip, feeling of grounding, or controllability of slip is enhanced. When a block having a recess in which a protrusion is formed on the bottom is provided in a tread, edge component increases correspondingly as compared with a block provided only with a recess (having no protrusion), and thereby traction can be enhanced. Since it is not required to increase the hardness of rubber of the read nor to enlarge the block size, feeling of grounding is ensured and controllability of slip can be ensured in a muddy place or on a soft road surface. | 02-03-2011 |
20110073229 | LIGNIN IN TIRE COMPONENTS - A vehicle tire having a sidewall and an undertread, the sidewall, the undertread or both being based upon a rubber composition, the rubber composition comprising a highly unsaturated diene elastomer, a carcass grade carbon black and particles comprising at least 70 wt. % unsulfonated lignin, wherein the particles make up no more than 50 wt. % of the total weight of the particles and the carbon black. | 03-31-2011 |
20110120605 | PNEUMATIC TIRE FOR TWO-WHEELED VEHICLE - A center block and a second block that satisfy h | 05-26-2011 |
20110146860 | PNEUMATIC TIRE WITH BUILT-IN INNERMOST ADHESIVE LAYER AND POST CURE APPLIED SEALANT - The present invention is directed to a cured pneumatic tire having a built-in innermost adhesive layer co-cured and thereby integral therewith and post tire cure applied sealant thereon. | 06-23-2011 |
20110214788 | Tire Crown for an Airplane - An airplane tire, whose rated pressure is more than 9 bar and whose deflection under rated load is more than 30%, comprising a tread having a tread surface ( | 09-08-2011 |
20110214789 | FEATURES FOR MAINTAINING VOIDS WITHIN A TIRE TREAD - Particular embodiments of the present invention include tire treads that include a tread body having a length, a width, and thickness, the thickness being bounded by an outer surface and an underside surface. Such treads may also include a void positioned within the thickness of the tread body. Such treads may further include one or more members extending between the void and the tread underside surface. Other embodiments of the present invention include a tire having such treads, as well as molds for forming such treads. | 09-08-2011 |
20110220255 | PRECURED TREAD FOR RETREADED TIRE AND RETREADED TIRE - The object is to provide a precured tread for a retreaded tire improving attachability to a base tire. In a strip-shaped precured tread | 09-15-2011 |
20110226395 | RUBBER COMPOSITION FOR USE IN TIRES - A rubber composition for use in tires is described which provides increased fuel efficiency and improved wet grip performance. The rubber composition includes from 5 to 70 parts by mass of silica having a BET specific surface area from 50 to 200 m | 09-22-2011 |
20110253275 | DOUBLE TREAD - Embodiments of the invention are used to provide ways of tire tread molding and retreading with a double tread rubber body having a unitary structure that comprises two treads in order to remove the need for buffing an oxide layer typically associated with tread molding and curing. Embodiments of the double tread molding and retreading methods also remove the need for cementing the cured tread to prevent future oxidation buildup. Once the double tread is cured and cooled, it is cut along the centerline with a double tread separation apparatus to expose a soft non-oxidized inner rubber. The cutting is much less energy intensive when compared to buffing with an expendable wire brush. There is no risk of spots of oxidized rubber being missed as is the case with buffing. There is little or no dust created. | 10-20-2011 |
20110259492 | PNEUMATIC TIRE WITH ANISOTROPIC TREAD - The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a ground contacting rubber composition comprising a diene based elastomer and short fibers, wherein the short fibers extend lengthwise in a substantially axial direction of the tire. | 10-27-2011 |
20110265924 | PNEUMATIC TIRE - The present invention provides a pneumatic tire with reduced air columnar resonance noise level in comparison with the conventional pneumatic tires. The pneumatic tire comprises large-volume oblong holes | 11-03-2011 |
20110265925 | PNEUMATIC TIRE - A pneumatic tire in which K | 11-03-2011 |
20110297282 | PNEUMATIC TIRE - To improve water evacuation property while preventing uneven wear, as well as to significantly improve the on-ice/snow performances by optimizing a tread pattern. | 12-08-2011 |
20110297283 | TIRE - A tire formed from a resin material is provided having a high stress withstanding ability and capable of maintaining a high internal pressure. | 12-08-2011 |
20120012236 | TIRE WITH TREAD AND PREPARATION THEREOF - This invention relates to a pneumatic rubber tire having a rubber tread of a cap/base construction. More specifically, the invention relates to a tire having a tread with minimized, or inhibited, base peaking. | 01-19-2012 |
20120018066 | NATURAL OIL POLYOLS IN ELASTOMERS FOR TIRES - Prepolymers having active NCO groups are disclosed. The prepolymers are the reaction product of at least one polyisocyanate and a polyhydric component which comprises at least one dimer fatty derivative diol or diamine that is a natural oil based polyol or polyamine which includes the derivative of at least one dimer fatty acid. Polyurethane and polyurea elastomer obtained from the prepolymers are also disclosed. Also disclosed are methods of manufacturing polyurethane or polyurea treaded tires. | 01-26-2012 |
20120024440 | MOTORCYCLE TIRE FOR RUNNING ON ROUGH TERRAIN - A motorcycle tire for running on rough terrain comprises a tread portion provided with a plurality of blocks including a cut block. The cut block is provided with a U-shaped cut so as to define a sub part of the cut block surrounded by the cut and a main part of the cut block outside the cut. The top surface of the sub part and the top surface of the main part are displaced from each other in a normal direction to the tread surface, and an exposed outside wall surface of the sub part and an exposed outside wall surface of the main part are displaced from each other in a lateral direction parallel with the tread surface, wherein the exposed outside wall surface of the sub part is defined as extending radially inwardly from the edge of the top surface of the sub part, and the exposed outside wall surface of the main part is defined as extending radially inwardly from the edge of the top surface of the main part and positioned on each side of the exposed outside wall surface of the sub part. | 02-02-2012 |
20120067476 | PNEUMATIC TIRE AND METHOD FOR MAKING A PNEUMATIC TIRE - A pneumatic tire includes a tire component having a plurality of individually dipped and tackified cords applied individually to the tire component. | 03-22-2012 |
20120080128 | TIRE WITH TREAD PROFILE HAVING CONTINUOUS CURVATURE AND METHOD FOR FORMING TIRE - A tire and a method for forming a tire tread are disclosed. The tire includes a tread defining an inferior tread profile and a superior tread profile, the superior tread profile having a generally continuous curvature between an edge of contact and a top center point. The superior tread profile includes a plurality of control points and a plurality of splines. Each of the plurality of splines extends between at least two of the plurality of control points. Curvatures of adjacent splines are generally equal at each of the plurality of control points. | 04-05-2012 |
20120097301 | METHOD OF IMPROVING TREAD NOISE - A method of improving tire tread noise is provided. The method allows the identification of locations where the tread pattern should be particularly modified in order to optimize the level of noise created by the tread during tire operation. Variations in a defined parameter, contact length ratio, are used to determine one or more locations in the tread pattern where modification for noise reduction can be made. The type of modifications needed can also be indicated. | 04-26-2012 |
20120111464 | METHOD FOR MANUFACTURING BASE TIRE, CURING MACHINE, AND BASE TIRE - A method for manufacturing a base tire ensuring a cure-molding of a green tire therefor without overcure or undercure in the thin-walled shoulder portions of the tread region and the bead regions, a curing machine that preferably enables the base tire manufacturing method, and a base tire thus manufactured are provided. To that end, a base tire is enclosed within a curing mold, the side regions of the base tire are heated by a first heating means, the tread region of the base tire is heated by a second heating means, and a cure-molding is performed such that the amount of heat given to the tread region by the second heating means is smaller than the amount of heat given to the side regions by the first heating means. | 05-10-2012 |
20120152420 | Tire with Protective Appliques | 06-21-2012 |
20120247630 | HIGH SILICA CONTENT FOR HEAVY VEHICLE TIRES - A heavy vehicle tire tread formed from a material that is based upon a cross-linkable rubber composition, the cross-linkable rubber composition comprising, per 100 parts by weight of rubber, between 35 and 60 phr of a solution polymerized styrenc-butadiene rubber having a styrene content of between 10 wl. % and 35 wt. %, between 35 and 60 phr of a polybutadiene, and between 45 and 110 phr of silica. Also included is between 1 and 8 phr of an amide processing aid, the processing aid comprising one or more amides of the form (Formula I); wherein R is an aliphatic chain of between 14 and 20 carbons, R′ is selected from H or an aliphatic chain of between 1 and 4 carbons and R″ is selected from an aliphatic chain of between 1 and 4 carbons having an —OH moiety. | 10-04-2012 |
20120285589 | TREAD-REPLACEABLE ENVIRONMENTAL-PROTECTION WHEEL TIRE - A tread-replaceable environmental-protection wheel tire includes a tire body and a tread layer. The tire body has two sides each having an end forming a bead section. The bead sections include reinforcement members embedded therein. The bead sections are positionable against a wheel rim. The tire body has a top face that forms fitting slots. The top face of the tire body has two side shoulders each forming a retention slot. The tread layer has a top surface forming tread patterns. The tread layer has a bottom surface forming fitting ribs raised therefrom. The fitting ribs are receivable into the fitting slots of the tire body. The tread layer has two side edges each forming a retention section. The retention sections are fixable in the retention slots of the tire body. As such, the applicability of wheel tire is expanded and the costs for replacing wheel tire are reduced. | 11-15-2012 |
20120305153 | TIRE WITH TREAD OF POLYBUTADIENE RUBBER - Pneumatic rubber tire intended for heavy duty service having a cap/base configured tread with a silica-containing specialized cis 1,4-polybutadiene rubber-rich tread cap rubber layer. | 12-06-2012 |
20120312436 | MOTORCYCLE TIRE FOR UNEVEN TERRAIN | 12-13-2012 |
20130000803 | Tire the Crown of Which has a Stiffening Reinforcement | 01-03-2013 |
20130000804 | TIRE - An intra-groove groove | 01-03-2013 |
20130037189 | TIRE TREAD FOR A TWO-WHEEL VEHICLE - Tread for a tyre for a two-wheel vehicle improving grip when running on a usage surface liable to become slippery; this tread comprising blocks ( | 02-14-2013 |
20130081743 | Silly Treadz, Wrolly Writers, Safety Treadz, and Re-Treadz: A Separate Tire and Tread System, Which Allows for the Replacement of the Tread for any Reason - The present invention is a wheel, tire and tread system that is used to change wheel diameters, change treads for varying terrains, for safety reasons, to re-tread or to tread designs. The tread designs can be used to exhibit brands, prints, imprints and they can also be used as molds. The invention is comprised of a separate tread and a separate tire to be used together. It is also comprised of a key, distinguishing factor, which are the attachments that are located on the sidewalls of these tires. These attachments allow for the separate tread and the separate tire to be used together. The present invention is used by attaching the varying treads to the varying wheels through slipping the holes on the treads into the buttons on the wheels. The pieces fit together forming one unit and function as any typical tire should. | 04-04-2013 |
20130087259 | PROCESS AND PLANT FOR PRODUCING TYRES FOR VEHICLE WHEELS - A tread band of raw elastomeric material is circumferentially applied around a bearing structure incorporating reinforcing cords, for forming a green tyre subsequently submitted to a curing treatment. The tread band is formed by: making an underlayer of raw elastomeric material; making blocks of raw elastomeric material; and applying the blocks mutually spaced apart according to a predetermined tread pattern, onto the underlayer. During introduction of the tyre into a curing mould, the blocks are put in alignment with respective forming recesses before closing the mould, so that each block is engaged in the respective forming recess, following closure of the mould. | 04-11-2013 |
20130118660 | MOULDING ELEMENT COMPRISING A PLURALITY OF RIBS AND AT LEAST ONE RIB-FREE MEASUREMENT ZONE - The invention relates to a moulding element for a mould for a tyre comprising a tread provided with a plurality of blocks. Each block comprises a contact surface intended to come into contact with a road surface during running. The moulding element also comprises a moulding surface for moulding the contact surfaces of the blocks. The moulding surface comprises a plurality of ribs intended to mould fine grooves in the blocks. These ribs have a height of between 0.005 and 1 mm, a width of between 0.01 mm and 0.3 mm and the pitch (P) of the ribs is between 0.1 and 2 mm. The moulding surface comprises at least one rib-free measurement zone able to accept measurement means. This measurement zone has the overall shape of a disc the diameter of which is greater than 3 mm. | 05-16-2013 |
20130126060 | STIFFNESS ENHANCED TREAD - A pneumatic tire includes a tread base comprised of a first material, a tread cap comprised of a second material, and a plurality of plugs comprised of a third material. The tread cap is disposed radially outward of the tread base and in operational contact with a ground surface. The plurality of plugs are disposed at least partially within the tread cap. The plurality of plugs yield a tread stiffness in one direction greater than stiffness in at least one other direction. | 05-23-2013 |
20130146189 | RETREADED TIRE AND METHOD OF PREPARATION - The invention relates to retreaded tires and method of preparation. | 06-13-2013 |
20130153099 | TIRE TREAD BASE CONTAINING SYNDIOTACTIC-1,2-POLYBUTADIENE WITH DIVERSE CARBON BLACKS - The invention relates to a pneumatic tire having a cap/base configuration comprised of an outer tread cap rubber layer, with a tread running surface, and an underlying tread base rubber layer, where the base rubber layer contains syndiotactic polybutadiene with a diverse blend of carbon blacks. | 06-20-2013 |
20130153100 | TIRE WITH TREAD HAVING IMPROVED WET TRACTION - The present invention provides a tire tread having a configuration and material properties that improve wet traction. In particular, the tread has a specified minimum threshold for chamfer density and a maximum level of complex shear modulus for the material that constitutes the tread in order to optimize the road friction coefficient (p) a tire tread experiences during a wet braking event. This results in better wet traction and a shorter stopping distance during the braking event. | 06-20-2013 |
20130167992 | MOTORCYCLE TIRE FOR UNEVEN TERRAIN - A motorcycle tire includes a tread having shoulder blocks, and sidewalls. Each shoulder block includes a main portion and an end portion. The main portion is formed by a first crosslinked rubber composition. The end portion and the sidewalls are formed by a second crosslinked rubber composition. JIS-A hardness Ha of the main portion is greater than JIS-A hardness Hb of the end portion and the sidewalls. Difference (Ha−Hb) is greater than or equal to 5, and is not greater than 12. A ratio (H | 07-04-2013 |
20130167993 | TWO-WHEELED AUTOMOTIVE VEHICLE TIRE - [Object] Rolling resistance performance, high-speed-durability performance, and cornering performance are simultaneously realized at high levels. | 07-04-2013 |
20130174952 | TYRE HAVING A TREAD COMPRISING A DEGRADABLE FILLER MATERIAL - A tyre tread includes a cellulose-based filler material placed in a cavity of the tread. The filler material includes a blend of a degradable cellulose-based thermoplastic and an unsaturated thermoplastic elastomer. | 07-11-2013 |
20130192729 | Agricultural Tire Tread - An agricultural tire has an equatorial plane separating first and second sides. First and second inner sixths of the treads extend between the equatorial plane and circumferential reference planes disposed axially one-sixth of a tread width on either side of the equatorial plane. First and second middle sixths of the tread extend between inner circumferential planes and middle circumferential reference planes one-sixth of the tread width from the inner circumferential reference planes. Outer sixths extend between the middle circumferential reference planes and outer circumferential reference planes disposed one-sixth of the tread width from the middle planes. Net tread volume ratio is approximately 40 percent, where between 36 and 39 percent of lug volume is in the inner sixths, between 32 to 35 percent in the middle sixths, and 27 to 30 percent in the outer sixths of the tread. | 08-01-2013 |
20130192730 | PNEUMATIC TIRE AND METHOD OF MANUFACTURING THE SAME - In a pneumatic tire in which axial grooves are arranged on an outer surface of a tread portion so as to be spaced apart from each other in a tire circumferential direction, a rib-forming region including at least one inward rib which projects from an inner surface of the tread portion inwardly in a tire radial direction and extends in a direction intersecting the axial grooves and across axial groove-inward regions inward of the axial grooves in the tire radial direction is provided in the inner surface of the tread portion. | 08-01-2013 |
20130206292 | TREAD FOR A TIRE FOR A TRAILER-TYPE HEAVY VEHICLE - A tyre for heavy goods vehicle comprising a tread with a thickness E having a tread surface, an asymmetrical sculpture design over at least one thickness equal to 30% of the thickness of the tread, forming an outer portion of axial width LE to be positioned axially towards the outside of a vehicle when the tyre is fitted and an inner portion of axial width LI situated in the axial extension of the outer portion, the inner portion and the outer portion separated by a groove of generally circumferential orientation, the outer portion of the tread comprising, in the circumferential direction, a succession of rigid strips of circumferential width D | 08-15-2013 |
20130206293 | TIRE COMPRISING A PROTECTIVE REINFORCEMENT - The invention relates to a tire with a radial carcass reinforcement comprising a crown reinforcement, itself radially capped with a tread, comprising at least two circumferentially continuous cutouts, the said tread being connected to two beads via two sidewalls. | 08-15-2013 |
20130206294 | TIRE | 08-15-2013 |
20130213539 | TIRE TREAD WITH APERTURES AND A METHOD FOR THE MANUFACTURE OF A TIRE TREAD WITH APERTURES - A tire tread with certain features and a method for manufacturing such a tire tread are provided. More particularly, a tire tread is provided that has layers of apertures where some layers remain covered until after a certain amount of tread wear has occurred. Such apertures can comprise, for example, sipes, grooves, or other apertured features in the tread. A method of making such tire tread is also provided. | 08-22-2013 |
20130220498 | TIRE - A pneumatic tire ( | 08-29-2013 |
20130240098 | TIRE WITH TREAD - The present invention relates to a tire having a rubber tread or rubber layered rubber tread where the rubber tread or rubber tread layers contain a dispersion of polyester phthalate within and on the surface thereof to promote a hydrophilic property for the surface. In one embodiment such promoted hydrophilic property is to promote expelling of water borne mud or snow from within the tread grooves. | 09-19-2013 |
20130263986 | PNEUMATIC TIRE FOR RUNNING ON ROUGH TERRAIN - A pneumatic tire for rough terrain comprises a tread portion provided with a block having a top face and a sidewall face extending radially inwardly from the peripheral edge of the top face, wherein the top face has a polygonal shape having a plurality of sides, and the sidewall face comprises a plurality of strip surfaces extending radially inwardly from the above-mentioned sides, respectively, so as to define a corner between every two adjacent strip surfaces. At least one of the corners is chamfered by a circular arc in a cross section parallel with the top face, wherein the center of the circular arc is positioned inside the block, and the radius of the circular arc is gradually increased from the radially outside to the radially inside of the tire. | 10-10-2013 |
20130269845 | SET OF PNEUMATIC TIRES AND AN ARRANGEMENT OF MOUNTING PNEUMATIC TIRES - A set of pneumatic tires that are mounted on a vehicle such as a compact or subcompact car, and to an arrangement of mounting the pneumatic tires on the vehicle, which enable omitting of tire rotation without adversely affecting productivity and performances of the tires. Dimensions, shaping and contour as well as tread pattern of the tires for the drive wheel are identical or substantially identical with those for the non-drive wheels. And, wear resistance of the tires for the non-drive wheels is lower than that for the drive wheels due to discrepancy in rubber compositions for forming tire treads between the tires for drive and non-drive wheels. The wear resistance may be defined as a mileage per 1mm wear in depth direction of grooves on the tire tread around its center line. | 10-17-2013 |
20130276944 | CUSTOM PRE-CURED RETREAD - The invention includes a retread tire and methods and apparatus for its manufacture, the retread tire including: a tire carcass having a bonding surface arranged along a base layer, the base layer being positioned between the bonding surface and a belt reinforcement package and including at least one base groove open to the bonding surface and a thickness that is variable and asymmetrical; a bonding layer having a thickness that is variable and asymmetrical; and a precured tread band bonded to the tire carcass, the precured tread band comprising a back face bonded to the bonding layer, a front face forming a ground-engaging surface and at least one tread groove extending through at least a portion of the tread band thickness and the back face having a discontinuity associated with the at least one tread groove, which is aligned with one of the at least one base groove. | 10-24-2013 |
20130276945 | METHODS FOR RETREADING A TIRE - Embodiments include methods for retreading a tire, which include providing a tire carcass for retreading, the tire carcass having a pre-existing tread layer including one or more voids extending into the tread layer thickness from an outer side. A bonding layer is applied along an outer side of the pre-existing tread layer, the bonding layer substantially filling the voids arranged along the outer side of the pre-existing tread layer to provide an outer surface for receiving the pre-cured bonding layer. A pre-cured tread layer is applied along an outer side of the bonding layer such that the bonding layer is arranged between the pre-cured tread layer and the pre-existing tread layer. The pre-cured tread layer is bonded to the tire carcass to form a retreaded tire having are treaded tire tread. Grooves are then formed in the retreaded tire tread along a ground-engaging, outer side of the retreaded tire tread. | 10-24-2013 |
20130292016 | VULCANIZING MOULD FOR MOULDING AND VULCANIZING A TIRE - A vulcanizing mould for moulding and vulcanizing a tire, comprising a moulding surface extending circumferentially in the mould, and comprising two end strips of patterns arranged respectively close to two edges of the moulding surface and at least one intermediate strip of patterns positioned between the two end strips of patterns. At least one end strip comprises patterns belonging to a first pattern type and the patterns of the first pattern type have a width which is less than the width of the patterns belonging to the other pattern types of the end strip, and the patterns of the first pattern type are grouped at least in twos on first segments of the mould. The patterns of the end strip not belonging to the first pattern type belong to second segments, each second segment comprising just one pattern of the said end strip. | 11-07-2013 |
20130299052 | PNEUMATIC TIRE - Provided is a pneumatic tire including: a belt reinforcing layer ( | 11-14-2013 |
20130312885 | DOUBLE TREAD - Embodiments of the invention are used to provide ways of tire tread molding and retreading with a double tread rubber body having a unitary structure that comprises two treads in order to remove the need for buffing an oxide layer typically associated with tread molding and curing. Embodiments of the double tread molding and retreading methods also remove the need for cementing the cured tread to prevent future oxidation buildup. Once the double tread is cured and cooled, it is cut along the centerline with a double tread separation apparatus to expose a soft non-oxidized inner rubber. The cutting is much less energy intensive when compared to buffing with an expendable wire brush. There is no risk of spots of oxidized rubber being missed as is the case with buffing. There is little or no dust created. | 11-28-2013 |
20130312886 | PNEUMATIC RADIAL TIRE - The present invention provides a pneumatic radial tire of the present invention is characterized in that: in a cross sectional view in the tire widthwise direction in the predetermined state thereof, provided that: i) H | 11-28-2013 |
20130319588 | AGRICULTURAL TIRE - It is an object to ensure the strength of a carcass line, enhance durability with respect to high applied loads, and be able to suppress the input of compressive force with respect to a carcass ply without increasing mass and cost. When W denotes a distance from a tire equatorial plane (CL) to a tire axial direction outermost point (P) of a carcass body portion ( | 12-05-2013 |
20130327458 | PNEUMATIC TIRE - The present invention provides a pneumatic tire | 12-12-2013 |
20130340904 | PNEUMATIC TIRE AND MANUFACTURING METHOD OF THE SAME - A tread rubber of a pneumatic tire is formed by a ribbon rubber which is spirally wound around a tire rotating axis. The ribbon rubber is wound toward one side in a tire width direction from a start point which is positioned closer to a center side than tread ends in a tire meridian cross section, is next folded back to the other side in the tire width direction at the tread end on the one side, is wound toward the tread end on the other side beyond the start point, is next folded back to the one side in the tire width direction at the tread end on the other side, and is wound toward an end point. The ribbon rubber has the winding start end and the winding terminal end at tread end vicinity portions avoiding the tread ends and a tread center portion. | 12-26-2013 |
20140027029 | PNEUMATIC TIRE - Provided is a pneumatic tire capable of improving fuel efficiency, handling stability, and durability in a balanced manner. The present invention relates to a pneumatic tire, comprising a tread that includes a cap layer and a base layer, the cap layer and the base layer satisfying relationships represented by the following formulas (1) to (3): | 01-30-2014 |
20140041775 | 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. | 02-13-2014 |
20140069560 | RUBBER COMPOSITION FOR TREAD GROOVE REINFORCEMENT - The present invention relates to a rubber composition comprising at least one rubber component, between about 50 phr and about 120 phr of a filler, wherein at least 20 phr of the filler is a high surface area carbon black. Further, the composition comprises between 10 phr and 30 phr of a phenolic resin. The present invention is further directed to a tire tread or a tire comprising such a composition. | 03-13-2014 |
20140076473 | TYRE PROVIDED WITH A TREAD COMPRISING A THERMOPLASTIC ELASTOMER - A tyre includes a tread, a crown with a crown reinforcement, first and second sidewalls, two beads, and a carcass reinforcement anchored to the two beads and extending from the first sidewall to the second sidewall. The tread includes a thermoplastic elastomer that is a block copolymer, which includes at least one elastomer block and at least one thermoplastic block. A total content of the thermoplastic elastomer in the tread is within a range varying from 65 to 100 phr (parts by weight per hundred parts of elastomer). | 03-20-2014 |
20140116587 | PNEUMATIC RADIAL TIRE - Each of belt layers of a pneumatic radial tire includes a plurality of single steel wires with an identical wire diameter extending linearly in an identical direction in alignment with each other and embedded in rubber. Each of the wires is provided with axial torsion. On the outer surface of a tread portion, circumferential grooves extend in the circumferential direction of the tire. The wire diameters of the single steel wires are 0.28 mm to 0.38 mm. An average of intervals of the single steel wires is not less than 0.10 mm. The tire has an out-of-plane bending stiffness of not less than 6000N·mm | 05-01-2014 |
20140137997 | METHOD AND TIRE FOR IMPROVED UNIFORMITY AND ENDURANCE OF AGGRESSIVE TREAD DESIGNS - A tire having aggressive tread features with improvements in uniformity that can also improve endurance is provided along with a method and apparatus for manufacturing such a tire. The tire and its manner of manufacture can achieve a reduction or elimination of certain non-uniformities that can occur during the molding of large tread blocks. The reduction or removal of these non-uniformities can improve temperature performance to provide increased tire endurance. | 05-22-2014 |
20140150938 | BICYCLE TIRES WITH FOUR TREADS - The invention relates to a tire having four treads distributed equidistantly on the external part of the body or carcass, which allow the tire to be deflated and rotated in order for a new tread to be placed in contact with the ground when the current tread has been subjected to heavy wear, without the tire having to be replaced. The invention is advantageous for the tire owner since with just a small increase in outlay the owner is guaranteed a tire that will last longer and that can be used for an increased number of kilometers of cycling. | 06-05-2014 |
20140150939 | Modular Tire with Variable Tread Surfaces - A new kind of tire utilizes a replaceable tread surface to enable variable tread characteristics determined by a removable riding surface. The tire body defines a slot that extends circumferentially around the tire and receives the removable riding surface. The removable riding surface is attached within the slot by attachment mechanisms. In other embodiments, the variable tread is accomplished via a removable sleeve that fits over the existing tire. | 06-05-2014 |
20140150940 | TIRE WITH TREAD HAVING VARIABLE SIPE DENSITY AND ROUND CROWN - This invention relates generally to tires having treads that have a configuration and/or properties for maintaining hydroplaning performance, dry braking performance and improved wear resistance, and, more specifically, to a tire that has a tread that N has a variable sipe density, i.e a higher sipe density in its central portion and a lower sipe density in its shoulder portions, as well as a round crown with a predetermined inflated profile droop. Another embodiment of the present invention further includes the addition of a member that provides more structural stiffness across the crown of a tire, such that better compromises between hydroplaning, dry braking, and wear performances can be obtained. | 06-05-2014 |
20140174614 | Agricultural Radial Implement Tire - A radial ply metric agricultural implement tire is provided having an “IF” load rating in accordance with the standards of the Tire and Rim Association. The tire has two organic cord reinforced radial body plies and two steel reinforced belts. | 06-26-2014 |
20140174615 | TBR Based Implement Tire - A VF rated radial implement tire is provided utilizing a steel belted radial TBR tire body design which can be utilized in existing TBR cavity molds, and modifying the tire to have a ribbed implement tread pattern. The tire is designed for operation at relatively low inflation pressures with relatively high wall flexibility. Thus an agricultural implement tire is provided having higher load carrying capability than similarly sized conventional bias ply agricultural implement tires. | 06-26-2014 |
20140190604 | PNEUMATIC TYRE PROVIDED WITH A TREAD BASED ON A THERMOPLASTIC ELASTOMER - The present invention relates to a tyre provided with a tread, such that the tread comprises at least one thermoplastic elastomer, which is a block copolymer comprising at least one elastomer block and at least one thermoplastic block, and hollow microparticles. | 07-10-2014 |
20140202604 | TIRE FOR LIGHT VEHICLE - The invention relates to a tyre designed to be fitted to a light vehicle, comprising: two beads ( | 07-24-2014 |
20140261935 | MOTORCYCLE TIRE FOR UNEVEN TERRAIN - A tire includes a tread, a pair of beads, a carcass, and a band. The tread includes a large number of blocks which stand substantially outward in a radial direction. The carcass includes a carcass ply which is turned up around each bead. The carcass ply includes a main portion which extends from an equator plane toward each bead; and a pair of turned-up portions which extend from the main portion substantially outward in the radial direction. The band includes a band cord which is helically wound along a circumferential direction. An end portion of the turned-up portion and an end portion of the band overlap each other at an inner side, in the radial direction, of the tread. In the tire, a position of an end of the turned-up portion varies in the circumferential direction. The tire is excellent in handling stability and durability. | 09-18-2014 |
20140305558 | TYRE HAVING A TREAD COMPRISING AN IMPREGNATED FELT - A tyre is provided with a tread that includes a felt. The felt is impregnated with a thermoplastic elastomer material. Fibres of the felt are selected from a group that includes: textile fibres, inorganic fibres, and mixtures of textile fibres and inorganic fibres. | 10-16-2014 |
20140332130 | 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 ( | 11-13-2014 |
20140332131 | PNEUMATIC TIRE - A pneumatic tire excellent in resistance to uneven wear, and crack resistance of a groove is provided. A position, on an equator plane, of a tread surface | 11-13-2014 |
20140345762 | VEHICLE TIRE - A vehicle tire ( | 11-27-2014 |
20140345763 | TIRE WITH COMPLEX BELTS - A tire comprises at least a left tread portion, a right tread portion, wherein the left tread portion and the right tread portion are axially separated by a longitudinally oriented groove. A tread reinforcement comprises a plurality of tread reinforcing layers wherein the reinforcement elements are formed of parallel reinforcements arranged in opposing layers, and each of the opposing layers has a bias angle relative to the circumferential direction. The bias angles of the reinforcement elements in each of the tread reinforcing layers corresponds to a plurality of equilibrium membrane shapes determined from membrane equilibrium equations that are joined together to create a continuous, complex shape. | 11-27-2014 |
20140352860 | TIRE AND MOLD FOR FORMING THE SAME - The invention provides a tire, which includes a tread surface formed at least partly with a plurality of protrusions having a prescribed cross-section shape in the tire width direction. The invention also provides a mold for forming the tire, which includes a tread forming surface formed at least partly with a plurality of depressions having a prescribed cross-section shape in the tire width direction. | 12-04-2014 |
20140367009 | TIRE INNER-LAYER RUBBER COMPOSITION AND PNEUMATIC TIRE - The invention provides rubber compositions for tire inner layers, capable of providing excellent ozone resistance over a wide environmental temperature range and of preventing discoloration well, as well as pneumatic tires including such compositions. The invention relates to a rubber composition for tire inner layers, containing C20-C32 normal alkanes. Preferably, the combined amount of the C20-C32 normal alkanes is 0.1-2.5 parts by mass, and the combined amount of phenylenediamine and quinone antioxidants is 0-4 parts by mass, each per 100 parts by mass of the diene rubber component. The rubber composition for tire inner layers preferably contains C48 and higher normal alkanes in a combined amount of not more than 0.1 parts by mass per 100 parts by mass of the diene rubber component. The rubber composition preferably contains not more than 15 parts by mass of process oil per 100 parts by mass of the diene rubber component. | 12-18-2014 |
20140373989 | TIRE - The present invention aims to provide a tire having improved abrasion resistance and appearance, as well as reduced rolling resistance and therefore improved fuel economy. The present invention relates to a tire including a tread, the tread containing 0.9 to 1.5% by mass of a wax, 0.9 to 1.5% by mass of an amine antioxidant, 0.3 to 1.0% by mass of a quinoline antioxidant, and a tread rubber component containing 3% by mass or more of a polybutadiene rubber, the tread having a rubber thickness between a tread groove bottom and an outermost belt-reinforcing layer of 0.1 to 2.0 mm. | 12-25-2014 |
20150096654 | RUBBERY BLEND CONTAINING TRANS ISOPRENE-BUTADIENE COPOLYMER - The subject invention is directed towards tire components which are comprised of rubber compositions which are comprised of (1) about 2 phr to about 45 phr of a trans-1,4-isoprene-butadiene copolymer which has about 4 weight percent to about 16 weight percent butadiene repeat units and from about 84 weight percent to about 96 weight percent isoprene repeat units, wherein the trans-1,4-isoprene-butadiene copolymer has a Mooney ML 1+4 viscosity which is within the range of about 35 to about 80; and (2) about 55 phr to about 98 phr of at least one other elastomer, preferably a diene based elastomer. The most preferred tire components are those which contain cord reinforcements and require adequate green strength to enhance the tire building and shaping process to maintain cord integrity in the final cured tire. | 04-09-2015 |
20150107733 | VEGETABLE OIL BASED RUBBER CEMENT AND TIRE WITH FABRICATED TREAD - The invention relates to a vegetable oil based rubber cement and tire with fabricated tread. In one embodiment, the invention relates to a tire with a rubber tread with a splice containing a vegetable oil based rubber cement. In one embodiment the tread rubber contains precipitated silica reinforcement. In one embodiment, the vegetable oil is comprised of soybean oil. In one embodiment the vegetable oil is provided in a vegetable oil extended elastomer. In one embodiment, the vegetable oil is provided as an additive to the rubber based adhesive. | 04-23-2015 |
20150107734 | Method and Tire for Improved Uniformity and Endurance of Aggressive Tread Designs Using Layering Technique - A tire having aggressive tread features with improvements in uniformity that can also improve endurance is provided along with a method and apparatus for manufacturing such a tire. The tire and its manner of manufacture can achieve a reduction or elimination of certain non-uniformities that can occur during the molding of large tread blocks. The reduction or removal of these non-uniformities can improve temperature performance to provide increased tire endurance. The present invention further relates to a tire made using such a method and that may have layers of different material properties for different tire performances. In one embodiment, a layering technique that creates tread blocks or lugs in close proximity to each other and that can run continuously is provided. | 04-23-2015 |
20150144239 | WHEEL OR TYRE - A wheel or tyre for a bicycle comprises a ground-contacting surface, at least a portion of the ground-contacting surface being carried on a movable portion having a degree of freedom about an axis parallel to a circumference of the wheel or tyre. The wheel or tyre may enable a rider of a bicycle, when cornering, to perform or simulate a drift, slide, broadside or skid. | 05-28-2015 |
20150314544 | METHOD FOR RETREADING A VEHICLE TIRE CASING AND VEHICLE CASING OBTAINED BY THIS METHOD - In the method for retreading a vehicle tire casing, a fluid is injected into a casing between a tread and a tread backing in order to space them apart. | 11-05-2015 |
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 |
20150336423 | Rubber Composition for Pneumatic Tires for Construction Vehicles - The present technology provides a rubber composition containing: from 20 to 40 parts by weight of carbon black, from 15 to 30 parts by weight of silica, from 2.0 to 3.5 parts by weight of sulfur, and a sulfur-containing silane coupling agent, per 100 parts by weight of diene rubber that contains from 80 to 100 wt. % of natural rubber, and from 20 to 0 wt. % of isoprene rubber; the total amount of sulfur in the sulfur and the sulfur-containing silane coupling agent being from 2.3 to 4.0 parts by weight. | 11-26-2015 |
20150375569 | Pneumatic Tire For All-Terrain Vehicle Used in Sandy Land - A pneumatic tire for all-terrain vehicle is disclosed which comprise a tread, and a plurality of primary blocks extending in a tire circumferential direction disposed symmetrically on the tread with respect to a center line of the tread, each primary block being evenly spaced with each other; two pairs of secondary block arrays arranged respectively on areas between any two adjacent primary blocks which are symmetrical with respect to the circumferential center line of the tread; a prior ground engaging edge created on a ground engaging surface when the ground engaging surface of the primary blocks may be inclined to a moving direction of the tire; and a plurality of stepped humps located on the prior ground engaging edge. The turning manipulation performance of the tires in sandy land can be highly improved while the straight-running traction performance is not affected due to the above configuration of the invention. | 12-31-2015 |
20160001619 | TIRE COMPRISED OF RUBBER TREAD INTERLOCKED WITH POLYURETHANE CARCASS - This invention relates to a vehicular tire having a rubber tread interlocked with a polyurethane carcass. | 01-07-2016 |
20160009139 | AIRCRAFT PNEUMATIC TIRE | 01-14-2016 |
20160016439 | TIRE AND TIRE MANUFACTURING METHOD - a tire (pneumatic tire | 01-21-2016 |
20160023516 | PNEUMATIC TIRE - A pneumatic tire includes a belt layer, a belt reinforcing layer in which a plurality of reinforcing cords are arranged, four main grooves, and land portions comparted by the four main grooves, wherein in the case that the belt reinforcing layer is partitioned into five areas in a tire width direction by the four main grooves, an arrangement density of the reinforcing cord in the fifth area is higher than that of the reinforcing cord in the first area, and an arrangement density of the reinforcing cord in the second area is higher than that of the reinforcing cord in the fourth area, and wherein protruding portions having protruding heights in proportion to the arrangement densities are provided on ground surfaces of the land portions which are positioned outside in the tire diametrical direction in the areas having the higher density than that of the third area. | 01-28-2016 |
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 |
20160068022 | TIRE - The objective is to reduce the rolling resistance of a tire. | 03-10-2016 |
20160075181 | AIRCRAFT TIRE - In order to suppress the dimensions and mass of an aircraft tire from becoming uneven around the tire circumferential direction, an aircraft tire includes: a belt layer provided further to a tire radial direction outside than a carcass; and a sheet shaped belt protection member that is wound around a tire circumferential direction TC between a tread section and the belt layer, and that includes incision portions incised along a tire width direction TW, with the incision portions formed at uniform intervals around the tire circumferential direction TC. | 03-17-2016 |
20160075188 | AIRCRAFT TIRE - An object is to improve cut-resistance performance and wear-resistance performance of an aircraft tire. | 03-17-2016 |
20160144665 | Pneumatic Tire - A pneumatic tire comprises at least four main grooves extending in the tire circumferential direction on the tread surface, circumferential land portions and shoulder land portions partitioned and formed by these main grooves, and designation of a mounting direction with respect to a vehicle, wherein a plurality of lug grooves is formed at intervals in the tire circumferential direction in each of the plurality of circumferential land portions, extending in the tire width direction, communicating with the main groove on the vehicle inner side, not communicating with the main groove on the vehicle outer side, and terminating within the circumferential land portion. | 05-26-2016 |
20160152086 | PNEUMATIC TIRE | 06-02-2016 |
20160152093 | AIRCRAFT TIRE | 06-02-2016 |
20160159159 | Pneumatic Tire Mount Method, And Combination Pneumatic Tire - Each pneumatic tire disposed on the rear wheel side has a total groove surface area ratio of 20% or more and 27% or less in ground-contacting width. Each pneumatic tire disposed on the front wheel side and the rear wheel side has a smaller groove surface area ratio on the vehicle outer side than on the vehicle inner side in the ground-contacting width. The difference in the groove surface area ratio is 7% or more and 15% or less. The total groove surface area ratio is greater on the front wheel side than on the rear wheel side, the difference in the total groove surface area ratio being 3% or more and 10% or less. | 06-09-2016 |
20160167442 | PNEUMATIC TIRE | 06-16-2016 |
20160200149 | MOTORCYCLE TIRE | 07-14-2016 |
20180022167 | TRUCK TIRE TREAD AND TRUCK TIRE | 01-25-2018 |
20220135789 | Rubber Composition for Lighter Weight Tires and Improved Wet Traction - This invention relates to a rubber compound for tire treads, comprising: | 05-05-2022 |