Steering Stability in Performance Tires

Radial tire pattern with improved traction and steering performance on all road conditions. The tire has an inner shoulder block, an inner shoulder longitudinal groove, an inner middle block, a central longitudinal groove, and a tread pattern. The outer middle block, outer shoulder longitudinal groove, and outer shoulder blocks provide guidance and control while the inner blocks and central groove improve traction. This balanced tread design provides good handling, traction, and reduced chance of tire damage in all road conditions.

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Motorcycle tire with optimized steel cord configuration and tread rubber composition to improve steering stability during high-speed turning. The tire uses a specific steel cord configuration of twisted strands of 1-3 filaments twisted together, with filaments of 0.15-0.25mm diameter. This provides lower compression and bending stiffness compared to conventional steel cords. The tread rubber has an elevated dynamic modulus (>5 MPa at 70C) to enhance responsiveness. The optimized steel cord and tread rubber work synergistically to improve steering stability during high-speed turning.

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A pneumatic tire design that enhances steering stability and crack growth resistance in cold temperatures. The tire uses a specific rubber composition for the inner liner and tie rubber. The inner liner rubber contains carbon black, resin, and zinc oxide in specific amounts along with halogenated butyl rubber. The tie rubber contains diene rubber matching adjacent layers. These compositions balance hardness, adhesion, and low-temperature properties to optimize tire performance.

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Radial tires with improved fuel efficiency and tire life compared to conventional tires. The tire design includes a belt layer with a rubber composition that has a specific ratio of loss tangent to complex elastic modulus. The tire dimensions are also optimized to prevent excessive growth at high speeds while maintaining stability. The optimized belt rubber composition, along with specific tire width, diameter, and aspect ratio, reduces rolling resistance without sacrificing steering stability or durability.

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A tire with improved cornering performance while suppressing deterioration of the noise performance compared to the prior art. The tire has chamfered shoulder sipes that are shaped differently at each end. The shoulder sipes have chamfered edges instead of sharp edges which can lift and reduce grip when cornering. The chamfers have a larger chamfer volume near the center of the tire and a smaller chamfer volume at the tread edge. This provides optimized cornering grip and stability while avoiding excessive tread block movement and noise.

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A vehicle tire with improved steering stability, ride comfort, and noise performance. The tire tread has a designated mounting direction for the vehicle. It has main grooves and land portions dividing the tread. Middle land parts have lateral grooves traversing them completely. The grooves on one side are slightly curved. The other side has lateral grooves that don't traverse.

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Pneumatic tire with an embedded transponder that provides improved steering stability and ensured communication performance. The tire has a carcass layer made of a polyester fiber cord with a specific elongation range. The transponder is positioned between the bead and belt layers at a specific radial location within the tire.

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Pneumatic tire design that balances wet and dry road performance while improving shock burst resistance. The tire has a tread with main grooves and land portions, a carcass layer made of polyester cords with specific elongation at break, and optimized groove ratios and depths. This provides good steering stability on dry roads and wet grip/drainage while maintaining shock burst durability.

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Pneumatic tire with improved high-speed steering stability, durability, and low rolling resistance. The tire has a cord-reinforced layer and the rubber coating over the cord contains a specific rubber composition. The coating rubber has carbon black with high nitrogen adsorption surface area and optionally some aroma oil. The base rubber is mostly natural rubber with a specific strength ratio of 100C.

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Pneumatic tire tread design that provides improved steering stability on wet and dry roads while maintaining good drainage. The tread has a main groove along the tire circumference with lateral sipes that terminate in the tread land. The sipes have chamfered edges that vary in angle and width along their length. This configuration improves wet traction by enhancing drainage from the chamfered sipes while maintaining dry road stability through the closed sipe ends.

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Pneumatic tire with improved steering stability and riding comfort. The tire has a pair of bead portions with a bead core extending inward and a bead filler outside the core. The bead portions have different radial and circumferential rigidities. The outer diameter has higher radial rigidity and lower circumferential rigidity than the inner diameter. This configuration provides secure steering stability with good contact patch pressure distribution while maintaining ride comfort due to selective rigidity levels in the bead portions.

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Pneumatic tire with specific tread grooves and land configurations to provide improved dry and wet steering stability performance. The tire has main grooves, narrow grooves, chamfered land portions, and open/closed lug grooves arranged in a specific pattern on the inner and outer sides. This provides a compatible balance of performance in dry and wet conditions. The open lug grooves in the inner land provide dry stability, while the closed lug grooves in the outer land provide wet stability. The chamfered land portions widen the contact area in the dry direction.

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A tire design that improves steering stability on dry roads and wet performance by optimizing the groove and land geometry of the tread. The optimized tread has shoulder, middle, and crown land areas divided by circumferential grooves. The shoulder lands have lateral grooves extending from the tread edge toward the adjacent groove. The middle land has outer and inner lateral grooves extending from the adjacent grooves. The crown land has lateral grooves extending from one groove. This groove and land configuration improves dry road stability while maintaining wet traction.

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A tire design that improves steering stability on dry road surfaces while maintaining wet performance. The tire has a tread with circumferential grooves and adjacent land portions. The land portions have recesses that open across the ground contact surface and sidewall. The recesses are V-shaped with specific dimensions. This design reduces hydroplaning while improving steering stability on dry roads compared to conventional tread patterns.

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A tire with improved wet steering stability, vehicle external noise resistance, and wear resistance in a well-balanced manner. The tire design includes grooves and lands arranged in a specific configuration for better wet traction, reduced noise, and longer wear life. The design uses four circumferential grooves with lands between them. The lands have chamfered edges and narrow grooves extending circumferentially. This combination of features provides the desired balance of wet steering, noise resistance, and wear.

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A heavy-duty tire rubber composition that provides excellent wet grip performance and steering stability for heavy-duty truck and bus tires. The composition includes a solid rubber, a modified liquid diene rubber with a specific silane functional group, and a filler-like silica. The modified liquid diene rubber improves wet grip while maintaining compatibility with the solid rubber.

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A tire with improved wet performance, steering stability, and snow traction. The tire has multiple circumferential grooves that divide the tread into lands between the edges. The grooves have varying widths and depths. The outermost grooves are wider and deeper than the inner ones. This prevents snow from clogging the outer grooves while still providing good wet traction and stability from the shallower inner grooves.

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A tire with chamfered edges and lugs to improve dry and wet steering stability performance. The tire has a tread pattern with interior grooves and lugs to provide wet traction, but the edges of those features are chamfered to maintain dry traction. The chamfering of the lugs and grooves allows for more uniform rigidity across the tire which improves dry steering stability. The chamfering also prevents hydroplaning by reducing water pressure buildup in the grooves.

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A pneumatic tire that provides balanced wet and dry steering stability by shaping the profile of the tire, specifically the outer edges. The tire has a profile between the ground contact edges that is between 20-35% of the total profile width. The outer side profiles are formed by at least four curved lines of different shapes. This shaping reduces differences in ground contact pressure across the tire width compared to a uniform profile, improving dry steering stability without compromising wet stability.

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A tire tread pattern that improves wet and snow performance while avoiding reduction in steering stability. The tread has large center blocks with zigzag sipes. The blocks have a raised section in the middle that prevents full contact with the road during normal driving conditions. This maintains block rigidity for steering stability. However, during cornering or on soft surfaces, the raised section deflects to allow full block contact for better traction.

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A tire design to improve steering stability on dry and wet road surfaces. The tire has a tread with five land portions defined by four circumferential grooves. The center land portion is narrower than the outer middle land portion. The outer middle land portion protrudes more than the outer shoulder land portion. The center and inner middle land portions protrude outward. This configuration increases contact pressure on the outer side during cornering for better dry grip. It also enhances water evacuation from the center to improve wet grip.

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A tire pattern design to improve tire performance by reducing hydroplaning, uneven wear, and improving safety. The tire has specific block configurations on the inner, center, outer, and shoulder regions. The inner shoulder block has a steel sheet to prevent water buildup. The outer shoulder block also has a steel sheet to prevent hydroplaning. This helps prevent water cushioning and improves grip and steering response in wet conditions. The inner and outer blocks prevent uneven wear by providing balanced contact pressure distribution.

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A high-performance tire design with improved grip, stability, and wear. The tire has a symmetrical tread layout with four longitudinal grooves arranged in the middle, flanked by shoulder grooves. The grooves are arranged in a staggered pattern with matching pairs on each side. This creates a block-like tread with even spacing between the grooves. The symmetrical design provides balanced grip and stability, while the staggered pattern enhances traction and wear.

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High-performance winter tire with asymmetric tread design that provides better traction on mixed snow/ice roads compared to conventional symmetric winter tires. The tire has an asymmetric tread pattern in the center and shoulder sections. The center tread has inner and outer blocks that are asymmetrically shaped. The shoulder sections have inner and outer blocks that are also asymmetric. This asymmetric tread design provides improved grip and steering stability on mixed snow/ice roads compared to symmetric tread patterns.

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A tire tread pattern design with transverse patterns extending from the center to the shoulder of the tire. The transverse patterns are symmetrically distributed around the tire's circumferential centerline. This helps provide heat dissipation from the shoulder area, improving tire performance and longevity. The symmetrically placed transverse patterns also balance the tread wear and provide better traction and stability on the road.

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A new design for light truck tires that improves safety and performance. The tire has a unique tread pattern with longitudinal grooves and specific features on the crests and troughs. The left crest of the first groove has a first groove and right crest has small steel sheets. The right trough has a second groove. The left crest of the second groove has a third groove and right crest has small steel sheets. The left trough has a first groove. The left crest of the third groove has a second groove and left trough has small steel sheets. This pattern provides enhanced grip, traction, and stability compared to traditional truck tire treads.

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Asymmetric single-guide tire pattern and tire design that improves grip on dry and wet roads while providing good turning support and straight-line stability. The asymmetric pattern has a central drainage ditch that extends from the center to the shoulder on one side of the tire. This asymmetry helps prevent hydroplaning in wet conditions by channeling water outward. It also improves snow and mud removal. On the other side of the tire, a continuous center rib provides stability and grip on dry roads. This asymmetric layout balances wet and dry performance while avoiding compromises.

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Tire pattern and tire design with improved dry and wet grip, drainage, stability, and reduced noise. The tire pattern has specific block shapes, layout, and spacing. The blocks have angled inner edges and curved outer edges to reduce deformation during ground contact. The blocks are arranged in a staggered, zigzag pattern with alternating angled and curved edges. This disperses block impact force and improves grip. The blocks also have spacing and shape variations to enhance drainage. The tire tread has the optimized block layout for better handling stability on both dry and wet surfaces. The dispersed block arrangement also reduces block noise during rolling.

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Pneumatic tire with improved dry steering stability, snow braking, snow handling, and drainage performance. The tire has a tread pattern with multiple circumferential main grooves that define land areas. The land areas have lug grooves. The tire features specific ratios and shapes in the lug groove layout to balance dry steering stability, abrasion resistance, snow braking, snow handling, and drainage. These ratios and shapes include: a lug groove width ratio Wc2/W1 between 0.65-0.80, a lug groove length ratio L3/L1 between 0.15-0.35, a lug groove width ratio Ws2/Ws1 between 0.10-0.15, and a lug groove length ratio Ls2/Ls1 between 0.25-0.55.

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A directional ultra-high performance semi-steel passenger car tire with a unique tread pattern design that improves handling, grip, and stability. The tire has a central rib on the outer tread with widened sides, arc-shaped thin sipes, and a wave-shaped outer wall. The left and right shoulders have staggered shoulder blocks with "Sichuan"-shaped fine grooves and tapered middle grooves. The blocks have lateral knife-shaped grooves that open outward for drainage. This pattern provides optimized ground contact for turning, improved drainage, and better stability from the central rib. The widened rib, arc sipes, and wave walls enhance straight-line stability and high-speed controllability.

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Tire tread pattern with a unique "eight" shape that improves grip, wear, mud release, and stability on rough roads. The pattern has alternating triangular shoulder blocks and arc-shaped blocks arranged in a staggered symmetrical pattern around the tire. The blocks have interconnecting concave grooves that form a figure-eight shape. This design provides enhanced traction, wear resistance, mud release, and stability compared to traditional straight-bar patterns. The alternating block shapes and groove connections provide better grip and stability on rough roads. The arc-shaped blocks improve grip and stability, while the triangular blocks enhance cut resistance. The figure-eight pattern also helps with mud release and stability.

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A tire tread pattern that improves straight running stability, drainage, and anti-skid performance of tires. The pattern has zigzag grooves alternated with straight grooves around the tire circumference. The zigzag groove bottoms have wavy shapes. This zigzag-straight-zigzag sequence provides better straight line stability compared to just zigzags. The wavy zigzag bottoms enhance water evacuation and traction compared to flat bottoms.

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Tire tread pattern and tire design to improve straight running stability, drainage, and anti-skid performance. The tread has zigzag grooves alternated with block areas. The zigzag grooves have arc-shaped sipe cuts in the blocks. This pattern provides better grip and drainage compared to traditional treads. It also allows the tire to maintain stability at high speeds by preventing center tread squirming. The arc-shaped sipe cuts in the blocks further enhance grip by increasing edge contact.

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All-terrain tire tread pattern with improved performance on different road surfaces. The pattern has a central rib flanked by middle ribs and shoulder ribs. The central rib has concentric arcs with narrow grooves between them. The middle ribs have folded grooves and straight grooves. The shoulder ribs have intersecting grooves with an L-shaped groove at the end. This configuration provides better traction, stability, and steering on varied terrains.

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Pneumatic tire tread pattern design that balances wet grip, snow traction, wear resistance, and steering stability on dry roads. The tread has a central circumferential groove flanked by thick blocks with lugs on the outer edges. The lugs have inner shallow grooves and outer deeper grooves connected by sipes. The blocks also have narrow circumferential grooves crossing into the shallow lug grooves. This arrangement provides good balance between wear, wet grip, snow traction, and dry stability compared to just having lugs or circumferential grooves.

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