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7559348 |
Tire with rubber tread of circumferential zones with graduated physical properties
The invention relates to a tire having a rubber tread comprised of cap/base construction where the tread cap layer provides the running surface of the tread and the tread base layer underlies the...
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7530378 |
Speckled tire treads
The present invention is directed towards speckled tire treads for tires. Specifically, the speckled tire tread includes a primary tread compound that serves as a matrix in which is distributed...
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7441573 |
Pneumatic tire having a rubber component containing short untwisted cord
The present invention relates to a pneumatic tire having a component including at least one diene based rubber and discontinuous textile cord having at least two textile yarns, wherein the cord is...
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7398807 |
Energy consumption efficiency improving agent and method, and article having improved energy consumption efficiency
An energy consumption efficiency improving agent is disclosed which forms a substance having a large adherability to an applying object and a high adherence to a contacting object and greatly...
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7377300 |
Elastic tire for measuring the grip of a vehicle equipped therewith on a ground
An elastic tire according to the invention comprises a tread ( 1 ) which comprises at least one unit ( 3 ) for measuring the grip of the tire on the ground, the measuring unit ( 3 ) being intended...
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7249621 |
Rubber composition and tire with component of diene-based elastomer composition with corncob granule dispersion
This invention relates to a rubber composition and tire having at least one component of a rubber composition comprised of at least one diene-based elastomer, to the exclusion of butyl type...
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7195045 |
Tire having tread including glass fibers and particles having Moh's hardness of at least 5
A rubber composition which can improve performance on icy and snowy road sufficiently and a tire using the same. The rubber composition comprises 2 to 30 parts by weight of staple fibers having an...
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7175723 |
Structure having nano-fibers on annular curved surface, method of making same and method of using same to adhere to a surface
A curved surfaces for adhering to contact surfaces is provided. The structure includes a curved surface with a plurality of nano-fibers disposed thereon. When the curved surface is in a first...
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7172001 |
Pneumatic tire with short fibers and sipes having zigzag part and producing method thereof
A tread portion has blocks that are provided with a plurality of sipes having a zigzag part. A tread rubber is formed of short fiber mixed rubber comprising 1.5 to 25 parts by weight of short...
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7131476 |
Pneumatic tire and method of manufacturing the tire
A tread rubber G has a short-fiber-mixed rubber portion 10 forming a grounding surface. In a region Y 1 between an outer grounding end Eo and a tire equator C located outside of a vehicle when a...
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7122090 |
Process for preparing rubber sheet and tread and studless tire using same
The present invention provides a studless tire excellent in performance on ice and snow in which digging friction is improved without losing adhesion friction. The studless tire has a tread...
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7118643 |
Method of making tire with exo-belt skin
The present invention, in one embodiment, is a method of making a tire with a skin covering at least a portion of the outer peripheral surface of the tire. In practicing the method, a partially...
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7055568 |
Cord-embedded rubber tape for making tire component, tire component and tire
A cord-embedded rubber tape, a tire component made by winding such a tape, and a pneumatic tire comprising such a tire component are disclosed, wherein the tape is made of unvulcanized rubber and...
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7053137 |
Azodicarbonamide treatment for carbon black and rubber compounds
A process for producing cured rubber is disclosed wherein the process comprises:
A) mixing rubber, carbon black, and azodicarbonamide without other curative ingredients; B) adding the...
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7044181 |
Studless tire having tread including fibers oriented in thickness direction
There is provided a studless tire that is excellent especially in performance on a snow or ice road. A studless tire, wherein non-metal staple fibers having an average fiber diameter of 1 to 100...
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6899782 |
Orientation of short fibers in a continuous process
A method and apparatus for continuously processing fiber into an elastomeric component uses an expanding die ( 11, 11 a ) for orienting fibers in other than the processing direction of the...
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6820666 |
Tire, including fiber-reinforced elastomeric intermediate layer between the belt structure and tread band, and method of making the tire
A pneumatic tire for vehicle wheels includes a radial carcass, a tread band, sidewalls and beads, and a belt structure. The tread band is provided with grooves on its surface for coming into...
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6805177 |
High performance tire with tread band having an anisotropic underlayer stable with temperature variation
A high performance tire includes a carcass provided with at least one carcass ply, a belt including two or more layers of reinforcing cords parallel to each other in a layer and crossed with...
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6736174 |
Pneumatic tire having thin tread reinforcing layer embedded in the outermost layer of a tread portion
In a pneumatic tire of the present invention, a tread reinforcing rubber layer composed of a rubber having larger tensile modulus of elasticity than that of a rubber composing the tread rubber...
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6719024 |
Pneumatic tire having sipes
In a pneumatic tire including sipes extending in zigzag provided on tread surfaces, both wall surfaces of each sipe, which face to each other, are inclined with respect to a diameter direction of...
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6666247 |
Pneumatic tire including short fibers
A pneumatic tire comprises: a tread rubber having a blended rubber portion constituted by a short fiber blended rubber obtained by adding a nonmetal short fiber to a rubber base material forming a...
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6626216 |
Pneumatic tire having hollow particles in base rubber
The present invention relates to a pneumatic tire that achieves, without degrading the steering stability, the reduction in road noise due to tire vibration when a vehicle drives on a rough road...
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6588470 |
Pneumatic radial tire reinforced with fibrillated sea-island short polymer fibers
A pneumatic tire comprising a rubber member containing a short fiber (A′) formed by the fibrillation of a short fiber (A) whose cross section takes a sea-island structure essentially composed of...
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6575215 |
Studless tire including tread comprising short fibers
A studless tire comprises a tread defining a ground-contacting region, the tread comprising at least a diene rubber and non-metallic short fibers oriented in the tire radial direction. The tire...
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6521070 |
Method and equipment for mixing hard granules for tire treads
A method and equipment for mixing hard granules into tire tread bodies and into sundry rubber strips and tread stock. Rubber stock is extruded into tread bands of a suitable shape which are rolled...
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6497261 |
Pneumatic tire having tread made of foamed rubber composition
This invention relates to a pneumatic tire comprising a tread at least a surface portion of which is made of a foamed rubber composition, the foamed rubber composition including closed cells formed...
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6484773 |
Tread pattern which reduces the running noise of a tire
A tread pattern for a tire, the tread pattern being formed by elements in relief defined by grooves, some of these elements in relief being provided with at least one blind incision, that is to...
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6427738 |
Tire and vulcanized rubber including elongated cells
A vulcanized rubber comprising a rubber component containing natural rubber, in an amount of 20 to 70 parts by weight, and polybutadiene, in an amount of 30 to 80 parts by weight; a rubber matrix...
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6378584 |
Rubber composition for tire tread including silica and rice husk
There is provided a rubber composition for tire tread, which can provide a tire having low decrease in abrasion resistance and balanced performance of traction property, braking property and...
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6374885 |
Studless tire including oriented short fibers
A studless tire contains tread portion made of vulcanized rubber, compounded from 100 parts by weight of rubber and 2 to 30 parts by weight of short fibers, and the tread portion has a ground...
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6343843 |
Pneumatic tire and wheel rim
A pneumatic tire, a wheel rim, and an assembly of a pneumatic tire and a wheel rim, which are provided with lawn-like materials for damping air resonance of the tire cavity are disclosed. An...
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6336486 |
Pneumatic radical tire having cap base tread
A pneumatic radial tire comprises a tread portion having a two-layer structure of a cap rubber layer disposed outward in the radial direction and a base rubber layer disposed inward in the radial...
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6302173 |
Vehicle tire including conductive rubber
A tire of which tread rubber comprises a conducive rubber at least partially, the conducive rubber extending from the radially inner surface of the tread rubber to the ground contacting face, and...
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6220319 |
Tire with tread containing electrically conductive staples
The invention relates to a rubber tire composed of carbon black reinforced rubber carcass with an outer, circumferential rubber tread construction of a rubber composition having a relatively high...
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6158488 |
Rubber composition containing modified carbon black and article having component thereof
The invention relates to a rubber composition containing a modified silanol-containing carbon black reinforcement which has a grafted hydrocarbon on its surface. The invention also relates to an...
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6147151 |
Tread rubber composition and tire using the composition
A tread rubber composition of excellent hydrophobic property and water repellency suitable to a studless tire of excellent performance on ice, comprising a diene rubber comprising at least one...
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6053226 |
Rubber composition reinforced with silica and tire with tread thereof
This invention relates to a rubber composition and to a tire with tread of rubber composition prepared with filler reinforcement, a majority of which is silica reinforcement, together with a silica...
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6036800 |
Method of preparing tire with tread of cap/base construction
The invention relates to a tire with a rubber tread of a cap/base construction wherein the tread cap is designed to be ground-contacting, wherein the tread base underlies said tread cap, is not...
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5975173 |
Pneumatic tire using fiber composite material
A fiber composite material in which short fibers, such as polyester short fibers, are added to a matrix, such as a cross-linked rubber matrix, is provided, wherein a heat shrinkage ratio of the...
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5967211 |
Tire tread for ice traction
This invention relates to a tire with a rubber tread reinforced with silica and containing one or more additives designed to aid ice traction for the tread. Such additive is selected from at least...
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5702546 |
Pneumatic tires having a tread of an oriented rubber
A pneumatic tire comprises a tread made from an oriented rubber so that a modulus ratio of 300% tensile modulus in a circumferential direction of the tire to 300% tensile modulus in a widthwise...
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5603367 |
Slippage preventing tire, method for producing a tread surface of a slippage preventing tire and method for producing a slippage preventing tire
A method for producing a slippage preventing tire. Hard fine members and adhesives are mixed, thereby attaching the adhesives to the hard fine members. The hard fine members include at least one...
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5591279 |
Pneumatic vehicle tire
A pneumatic tire having a tread composed of a matrix rubber, a low hardness rubber powder, hollow particulates, and short fibers, and optionally a liquid polymer, wherein the low hardness rubber...
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5571350 |
Pneumatic tire with tread of matrix foamed rubber containing resin
A pneumatic tire for all seasons comprises a tread provided with a foamed rubber containing a given amount of a particular resin such as crystalline syndiotactic 1,2 -polybutadiene having specified...
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5526859 |
Radial tires including short fibers
Cap tread has a tan δ peak temperature of not less than -30° C. Base tread comprises not less than 30 parts of a carbon black having an iodine adsorption number of 30 to 90 mg/g and not less than...
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5513683 |
Tires made using elastomers containing springy fibers
Springy fibers, when used as a fiber reinforcement in an elastomer, have been found to demonstrate reduced crack propagation in the elastomer. Springy fiber reinforced elastomers can be used in...
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5351734 |
Pneumatic tire with foam rubber in the tread
Herein disclosed is a pneumatic tire which comprises a case and a tread which covers a crown portion of the case. The tread includes a foamed rubber which has a volume not less than 10% of that of...
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5246985 |
Rubber composition and tire that uses it in the tread portion
The rubber composition comprising a cellulosic material containing-processed powder product and rubber components and a studless tire having a tread portion that contains said rubber composition...
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5208273 |
Rubber composition and its application
The present invention provides a rubber composition which is useful for the treads of studless tires which provides improved grip properties on frozen roads and preserves good performance after...
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5173136 |
Cut resistant tire with embedded oblong fibers
A cut resistant pneumatic tire is provided. The tire has embedded in its sidewalls and/or tread, short lengths of adhesive coated monofilament nylon fibers. Adhesion between the rubber of the tire...
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