Matches 1 - 50 out of 108 1 2 3 >
Match Document Document Title
7614435 Pneumatic tire having circumferential straight main groove, arcuate curved main grooves and circumferential auxiliary grooves  
A pneumatic tire having improved noise buffering capability and operation stability while maintaining excellent water discharge capability. A circumferential straight main groove ( 1 ) is provided...
7607464 Pneumatic tire having circumferential grooves and oblique grooves  
A pneumatic tire is provided with a pair of circumferential grooves ( 3 ) arranged in both sides of a tire equator (C), and a plurality of oblique grooves ( 4 ) having a steep decline portion ( 4 a...
7604030 Pneumatic tire with tread having rib shaped land section, lug grooves and sipes  
A pneumatic tire 10 a including in a tread at least two circumferential major grooves 20 a, 21 a, 22 a , and 23 a extending in a tire circumferential direction and a rib-shaped land section...
7546861 Tire with tread having crossed configuration sipe  
A tire has a tread with a plurality of ground engaging tread elements. In at least one of the tread elements is a sipe having a depth in the radial direction of the tire. The sipe has a crossed...
7506676 Pneumatic tire with tread having V-shaped transverse grooves  
A tread surface the tire rotational direction of which is specified in one direction includes a first main see-through groove extending in the circumferential direction of the tire in a region of...
7422043 Pneumatic tire with tread having circumferential sub-grooves including at least three raised portions  
A pneumatic tire is provided, where the rigidity of the blocks formed on the tread surface is increased and an increase in the level of noise when the tread surface is worn can be prevented. In a...
7416003 Pneumatic tire with tread surface having specified direction of rotation  
A tread surface the tire rotational direction of which is specified in one direction has a center region and shoulder regions on both sides of the center region. Blocks are defined in at least one...
7360569 Pneumatic tire with tread including circumferential rib region, block regions and sipes  
It is a subject to improve wet performances and noise performances while restricting degradations in dry performances, and for solving this subject, the pneumatic tire is comprised of a tread...
7322390 Pneumatic tire having tread with blocks having obtuse angle corner portions  
A tread surface, the tire rotational direction of which is specified in one direction, has a center region. Blocks having obtuse-angled corner portions and acute-angled corner portions are defined...
7281555 Off-the-road tire  
The invention is to improve wear resistance and resistance to crack growth of an off-the-road tire having a gauge of a tread rubber of 60-200 mm, in which a plurality of widthwise grooves extending...
7163039 High-performance tire for a motor vehicle  
A high-performance tire for a motor vehicle includes a carcass and tread band. The tire may be, for example, of the asymmetrical or directional type. The tread band includes a pattern including a...
7152641 Heavy-duty pneumatic tire having non-contact rib and shoulder blocks  
A heavy-duty pneumatic tire designed to suppress the occurrence of heel-and-toe wear in the shoulder blocks while maintaining good drainage and traction performance through the final stage of the...
7093630 Heavy duty radial tire  
A heavy duty radial tire which is provided with traverse grooves extending between the tread edges and longitudinal grooves extending between the traverse grooves so as to form shoulder blocks...
7025100 Pneumatic tire including blocks and splitting grooves  
A pneumatic tire is provided in the tread portion with a circumferential row of middle tread elements, wherein each of the middle tread elements is divided into four elemental blocks having...
6971425 Tire for high-performance vehicles and premoulded tread band having an asymmetrical pattern  
A tire for a vehicle wheel includes a carcass structure, a belt structure, and a tread band. The tread band pattern includes a central zone and two axially-opposite shoulder zones. The central zone...
6957676 Tire for a vehicle wheel including at least two circumferential series of inclined incisions delimiting at least three rows of blocks  
The present invention relates to a tire designed to be fitted on the driving axles of a motor vehicle for medium or heavy load. This tire is provided with a tread comprising a plurality of...
6907909 Pneumatic tire including pseudo-land part  
A pneumatic tire comprises a tread portion having a plurality of slant grooves, in which each slant groove has a steeply slant groove portion and a gently slant groove portion, and the steeply...
6799616 Pneumatic tire including auxiliary land part having slope  
In a pneumatic tire comprising a tread portion divided into a central region and both side regions, at least one rib-shaped main land part is formed in the central region and a plurality of main...
6796350 Vehicle tire having non-uniformly profiled tread with respect to its center  
A vehicle tire having a non-uniformly profiled tread with respect to its center, with a circumferential extending superwide groove having a width of at least 30 mm provided in one half of the tread...
6761197 Tire and tread thereof  
A tyre for vehicles includes a carcass structure, a belt structure, and a tread. The tread includes a row of central blocks and a row of intermediate blocks arranged on each side of an equatorial...
6736175 Motor vehicle tire, particularly for lorries and the like  
A vehicle wheel tyre includes a carcass structure, a belt structure, and a tread. The tread includes four circumferential grooves and a plurality of transverse grooves that define at least five...
6681823 Heavy load pneumatic radial tire  
A heavy load pneumatic radial tire has the circular fine groove 5 running in the tire circumferential direction at least at one side of the shoulder portion 4 running on both sides of the tread...
6656300 High performance tire for vehicles  
A very high performance tire ( 1, 101 ) for vehicles comprises a tread ( 14 ) provided with a plurality of transversal grooves ( 15 ) circumferentially distributed along the tread ( 14 ) in groups...
6640858 Tire having tread grooves having right-hand groove wall and left-hand groove wall  
A tire comprises a tread portion in which a mold parting line by a single-split mold runs on or near the tire equator. In a central part of the tread portion in which tread grooves are provided,...
6591880 Pneumatic tire including zig-zag circumferential fine grooves  
A pneumatic tire comprises a pair of bead portions, a pair of sidewall portion, a tread portion, a radial carcass of at least one ply, and a belt, wherein the tread portion is provided with two or...
6578612 Pneumatic radial tire having six block rows  
A pneumatic radial tire, wherein five main grooves extending in the circumferential direction of a tire are provided on a tread to divide into and form land portions of six rows, each land portion...
6571844 Pneumatic tire having tread including pairs of sipes  
Sipes extending from one end of a block to the central area of the block and sipes extending from the other end of the block to the central area of the block (sipes 24, 28, 32 and 36 ) are...
6568444 Pneumatic radial tire having small negative ratio and small tread ground contacting width to rim width  
A pneumatic radial tire having excellent steering stability, resistance to hydroplaning and noise reduction comprises a carcass, a belt and a tread portion provided with a plurality of tread...
6488064 Sacrificial ribs for improved tire wear  
The present invention provides a tire with a sacrificial rib to protect the main ribs of the tire's tread by delaying the onset of irregular wear and the growth thereof. The improved tire tread...
6481480 Convertible tread for a radial truck or trailer tire  
A radial ply pneumatic tire 10 for trucks or trailers has a tread 12 with at least three circumferential grooves 20,22 extending circumferentially to divide the tread 12 into at least four...
6415834 Tire having low rolling resistance, in particular for driving wheels of heavy vehicles  
A tire ( 1 ) having low rolling resistance, in particular for driving wheels of heavy vehicles, comprises a tread ( 14 ) provided with a plurality of transversal grooves ( 20 ) pitchwise spaced...
6415836 Pneumatic tire including axial grooves having different widths and tread elements having different lengths  
A pneumatic tire having an improved tread pattern which is capable of improving the steering stability, tire uniformity and the like without increasing a tread pattern noise is disclosed. The tire...
6374884 Heavy duty tire including narrow groove  
A heavy duty tire comprises a pair of axially outermost circumferential rows of shoulder blocks, each of the shoulder blocks provided with a circumferentially extending narrow groove, the narrow...
6340040 Vehicle tire including main grooves and lug grooves  
A vehicle tire comprises circumferentially extending straight main grooves including a central main groove on the tire equator and an axially outer main groove on each side thereof, first lug...
6311748 Tire for motor vehicle wheels having a tread producing a low rolling noise  
A tread for motor-vehicle tires has a raised pattern formed of a plurality of shaped blocks 7 distributed in circumferential rows 3, 4, 5, 6 disposed in parallel and in side by side relation. The...
6220321 Heavy duty tire including wide main grooves, narrow grooves and lug grooves  
A heavy duty tire is provided in the tread portion with a circumferentially extending main groove on each side of the tire equator, a circumferentially extending narrow groove on each side of each...
6213181 Tire having a groove wall lining for reducing formation of anomalies causing subjective user dissatisfaction  
A tire having a pair of beads; a carcass ply having ends, each of the ends anchored to a respective one of the beads; at least one belt ply extending circumferentially around the tire and disposed...
6170546 Heavy duty pneumatic tire including variable width grooves and constant width grooves  
A heavy duty pneumatic tire comprises a tread portion which is provide with wide circumferential grooves having a width Wm1 of 4.0 mm to 20.0 mm and narrow circumferential grooves having a width...
6119745 Pneumatic tire including only one wide groove  
A pneumatic tire has a tread portion with one circumferential wide groove extending continuously in the circumferential direction. A centroid of the cross-section of the circumferential wide groove...
6112787 Heavy duty pneumatic tire including narrow rib  
A heavy duty pneumatic tire having improved resistance to uneven tread wear includes a tread portion provided with an axially outer longitudinal main groove and an axially inner longitudinal narrow...
6109316 Tire having improved tread portion for reducing formation of anomalies causing user dissatisfaction  
The invention is directed to a shoulder construction of the tread area of pneumatic tires which provides increased stability and reduced wear. The shoulder construction comprises a decoupling rib...
6105643 On/off road radial pneumatic light truck or automobile tire  
An on/off road radial pneumatic light truck or automobile tire has a tread with at least one wide groove having an average width of at least 7% of the tread width. At least two axially adjacent...
6095216 Multi-purpose tire for motor-vehicles  
A tire is described which has a tread pattern provided with a large central channel (2) interposed between two continuous circumferential ribs (8), and a pair of large circumferential grooves (4)...
6006804 Pneumatic radial tire including vibration buffer wall  
A pneumatic radial tire which is excellent in drainage and capable of reducing air-column-tube resonance sounds in circumferentially extending grooves to decrease noises. The pneumatic radial tire...
6003575 Pneumatic tire including sipes  
A pneumatic tire comprises an improved tread portion provided with blocks, each block provided with a sipe, the sipe extending across the block to have a first open end and a second open end, the...
6003574 Motor-vehicle pneumatic tire having a tread pattern for snow covered road surfaces  
A tread pattern for motor vehicle winter tires having transverse grooves symmetrically converging toward an equatorial plane "X" of the tire. A pair of circumferential grooves (3) respectively...
6000450 Studless tire  
A studless tire comprises tread blocks having a narrow-width center portion, a heel-side increasing-width portion and a toe-side increasing-width portion, wherein the axial width of the block...
5964266 Tire for motor-vehicle wheels provided with a tread producing a low rolling noise  
A tread for motor-vehicle tires has a raised pattern formed of a plurality of shaped blocks 7 distributed in circumferential rows 3, 4, 5, 6 disposed in parallel and in side by side relation. The...
5921303 Pneumatic radial tire including fine groove  
A pneumatic radial tire comprises a pair of bead portions, a pair of sidewall portions, a tread portion, a radial carcass, and a belt, in which the tread portion is comprised of a first tread zone...
5918654 Tire including tread with incisions  
A tread (5) of a tire (1) which has a carcass reinforcement (2) and is reorced by a reinforcement belt (3), the tread, comprising a so-called rolling surface (6), being divided into at least one...
Matches 1 - 50 out of 108 1 2 3 >