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WO/2009/041131 |
A pneumatic tire in which the level of air column resonance sound is lower than that of conventional pneumatic tires. Large volume elongated holes (11) are formed in one side wall (10a) of a main groove (1), and small volume elongated ho...
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WO/2009/040439 |
The invention relates to a tread (1) for a tyre, that comprises a plurality of grooves (21, 22) defining blocks (4) and/or ribs, the grooves having an average thickness H. The tread has a rolling surface (10) intended to be in contact wi...
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WO/2009/037805 |
Intended is to provide a motor-bicycle tire, which is excellent in a low fuel consumption and a grip performance. The tire comprises a tread and a carcass having a radial structure. The tread includes a base layer and a cap layer. The ca...
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WO/2009/037056 |
Pneumatic vehicle tyre with a tread rubber profile having a number of profile elements (2, 2', 2', 4, 4', 4', 11), for example blocks, running in the manner of rows in the circumferential direction, wherein the profile elements (2, 2', 2...
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WO/2009/037891 |
There is reduced fatigue of a cord of a circumferential reinforcing layer which is substantially parallel with the circumferential direction of a pneumatic tire. For this, in the pneumatic tire (1), a circumferential reinforcing layer (6...
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WO/2009/038131 |
A pneumatic tire is, in addition to being excellent in snow and ice performance, also excellent in both anti-hydroplaning performance and slush performance. The pneumatic tire has a tread surface divided into land sections by circumferen...
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WO/2009/034807 |
An off-road pneumatic tire that improves straight traveling stability of a vehicle when it travels off road. The off-road pneumatic tire (1) has on a tread section (2) at least one block row (10) composed of blocks (9) arranged in the ti...
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WO/2009/034959 |
A pneumatic tire having lateral grooves that improve a sound absorption effect. The pneumatic tire (1) has on its tread surface (2) a circumferential groove continuously circumferentially formed in the tread surface (2) and also has late...
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WO/2009/034791 |
Driving stability and water discharge performance are improved in a balanced manner. A pneumatic tire has inner and outer (relative to the vehicle) crown circumferential grooves (3i, 3o) located on both sides of the tire equator and exte...
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WO/2009/034912 |
A pneumatic tire simultaneously achieves improved water discharge characteristics and reduced noise. Fundamental water discharge performance is secured by providing a tread (12) with a first circumferential main groove (14), a second cir...
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WO/2009/031269 |
An excellent tire for a two-wheeled motor vehicle, which does not impair the stability of the vehicle during its transition between straight-line travel and turning. The tire has a tread and a carcass having a radial structure. The tread...
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WO/2009/031353 |
A pneumatic tire providing enhanced driving stability without increasing the level of air column resonance sound. The tire has a main groove (1), and a side wall (2) of the main groove (1) includes first elongated holes (11) and second e...
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WO/2009/029459 |
The present invention is directed to a method for producing a cured tire filling composition and the composition resulting from such a method. The A component has from about 3 to about 30 weight % of a polyisocyanate comprising polymeric...
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WO/2009/029114 |
A tread band (16) and tire (10) having a tread band (16) bonded thereto, particular embodiments including a tread band (16) having an antidegradant reservoir (34) forming a part of the tread band (16) and having a rubber composition mixe...
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WO/2009/029088 |
A tire suitable for off road use has blocks on its sidewalls that add thickness to the sidewall for added protection from debris tending to puncture the sidewalls. The blocks have sloping surfaces that protect the blocks from snagging or...
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WO/2009/025072 |
A tire for a two-wheeled motor vehicle has excellent performance characteristics achieved without impairing stability in transition between straight travel and turning. The tire (2) has a tread (4). The tread (4) is divided into (2N-1) r...
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WO/2009/022564 |
Provided is a pneumatic tire (1), in which a tread rubber (7), a side-wall rubber (8) and a breaker rubber (9) have an intrinsic volume resistivity of 1 X 108 Ω·cm or higher, and in which a clinch rubber (3) and a chafer rubber (2) hav...
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WO/2009/022665 |
Disclosed is a pneumatic tire having a tread surface roughness (Ra 75) of 10 to 100 μm as measured in accordance with JIS B0601 after driving 3000 km on a paved road and a total sipe length of 1.0 to 4.0 cm per cm2 of the contact area o...
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WO/2009/019942 |
A precured tread for retreaded tire that is improved in the attachability to a base tire. There is disclosed a strip-shaped precured tread (10) to be attached to a crown section of base tire (32) devoid of tread. In the precured tread, a...
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WO/2009/019911 |
[PROBLEMS] To provide a process for producing a pneumatic tire whic has a reduced dynamic unbalance and has enhanced durability. [MEANS FOR SOLVING PROBLEMS] A side wall rubber (17) is applied to the outer side of a carcass ply (12), and...
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WO/2009/020077 |
Intended is to provide a pneumatic tire, which enhances a wear resistance while making a dry gripping property and a wet performance compatible at a high level. In a tread face (2), an outer region (2o) directed outward of a vehicle has ...
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WO/2009/020066 |
Both ride comfortability and steering stability are satisfied. A pneumatic tire (1) has a band layer (9) consisting of a band ply (9A) where band cords are arranged at an angle of 5 degree or less relative to the circumferential directio...
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WO/2009/019915 |
A pneumatic tire that even when having a carcass layer of one-ply structure provided with its upward wound portion extending to an inferior area of belt layer so as to overlap an edge portion of the belt layer, inhibits any deterioration...
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WO/2009/019912 |
To provide a process for manufacturing a pneumatic tire realizing reduction of dynamic imbalance and enhancing of durability. A pneumatic tire with a projection at its buttress area is manufactured according to the following process. A s...
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WO/2009/019831 |
A tire (2) for a two-wheeled motor vehicle keeps the vehicle stable when it changes from straight traveling to turning and is excellent in various performance characteristics. The tire (2) has a tread (4) and a carcass (12) having a radi...
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WO/2009/020065 |
Both ride comfortability and steering stability are satisfied. A pneumatic tire (1) has a band layer (9) consisting of a band ply (9A) where band cords are arranged at an angle of 5 degree or less relative to the circumferential directio...
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WO/2009/016074 |
The invention relates to a method used for determining a profile depth or wear on a tread of a tire of a vehicle, and/or a tire characteristic, a magnetic field (B) being detected by a magnetic field sensor (D) disposed in the interior o...
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WO/2009/016971 |
A tread for retreaded tire that would inhibit any drop of peel strength at the retreading surface between tread and base tire through lowering of traveling temperature and that without sacrificing of tear resistance, would give favorable...
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WO/2009/013961 |
A pneumatic tire for a two-wheeled motor vehicle has a tread section (1) including one or more layers of tread rubber (7), a pair of side wall sections (2) extending radially inward so as to continue to opposite sides of the tread sectio...
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WO/2009/013134 |
The invention particularly relates to a tyre for an axle of a private passenger vehicle comprising two axles, said axle including a suspension device for positively controlling the wheel camber relative to the ground in case of transvers...
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WO/2009/011344 |
Provided is a pneumatic tire, which is improved in its performance especially on the ice and snow and which is simple in its constitution. The pneumatic tire (10) has a two-belt structure, in which a one-belt width (1W) is wider than a t...
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WO/2009/008502 |
The degree of the wear of a tire is stably and accurately estimated. An acceleration sensor (11) is installed on the inner surface of an inner liner part of a tire to detect the acceleration in a tire radial direction of the tread. The p...
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WO/2009/008319 |
A method for detecting the abrasion state at a tire tread portion precisely, and a detection device excellent in durability. Acceleration of the inner surface of the tire tread is detected by installing an acceleration sensor (11) at an ...
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WO/2009/004408 |
The tread band (7) of a tyre (1) has two circumferential portions, a central one (13) and an inner intermediate one (14) respectively, that are subdivided into centre (20) and intermediate (24) blocks respectively; an inner-shoulder circ...
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WO/2009/005056 |
A radial pneumatic tire excellent in both drive performance and braking performance on a road covered with snow and ice and also excellent in maneuvering stability on a normal road. These are achieved by reliably suppressing large fallin...
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WO/2009/003576 |
Tyre (1) comprising at least one reinforcing structure (15) of the carcass type anchored on each side of said tyre into a bead the base of which is intended to be mounted on a rim seat, each of said beads extending substantially radially...
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WO/2009/005565 |
A tire having a circumferential tread (300) with segmented sipes (305) is provided. In one embodiment, the tire has tread blocks with sipes having at least three-segments. The sipe may include a first major segment (320,325), a second ma...
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WO/2009/005073 |
Provided is a camber angle controlling device capable of reducing an energy consumption while retaining the running performance of a vehicle. A camber angle applying device (4) is controlled to adjust the camber angle of wheels (2) to a ...
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WO/2009/003577 |
Tyre (1) comprising at least one reinforcing structure (15) of the carcass type anchored on each side of said tyre into a bead the base of which is intended to be mounted on a rim seat, each of said beads extending substantially radially...
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WO/2008/152886 |
A pneumatic tire for two-wheeled motor vehicle that attains an enhancement of drive and braking performances, such as imparting of a moderate camber angle to tire, without anxiety on running stability. The pneumatic tire is characterized...
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WO/2008/153920 |
TREAD BLOCKS HAVING REDUCED EDGE STIFFNESS ABSTRACT A tire comprising a circumferential tread including at least one tread block having at least one edge. The tread block includes at least one void provided therein not more than about 4 ...
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WO/2008/152996 |
A pneumatic tire achieving good on-ice performance and good wet performance at the same time. A pair of first main grooves extending in the circumferential direction of the tire is provided in the center region of a tread. A pair of seco...
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WO/2008/153920 |
TREAD BLOCKS HAVING REDUCED EDGE STIFFNESS ABSTRACT A tire comprising a circumferential tread including at least one tread block having at least one edge. The tread block includes at least one void provided therein not more than about 4 ...
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WO/2008/153920 |
TREAD BLOCKS HAVING REDUCED EDGE STIFFNESS ABSTRACT A tire comprising a circumferential tread including at least one tread block having at least one edge. The tread block includes at least one void provided therein not more than about 4 ...
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WO/2008/152914 |
A pneumatic tire that can achieve good on-snow performance and good wear resistant properties at the same time. In a tread pattern (9), the ratio of the maximum length in the tire's circumferential direction of each block (81), which for...
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WO/2008/149611 |
In a front wheel tire (1), the tread is laterally divided into three regions that are a tread center region (A) and tread shoulder regions (C), two kinds of tread rubber are used, and the JIS-A hardness of the tread rubber in the tread c...
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WO/2008/149791 |
A pneumatic tire having a main groove (1) extending in a tread surface, in the circumferential direction, of the tire. Projections (10) having different heights are arranged on the bottom surface of the main groove (1) such that valleys ...
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WO/2008/148594 |
The invention relates to a vehicle pneumatic tire, particularly for utility vehicles, having a plurality of peripheral grooves (2) running in the peripheral direction, which grooves have outer edges (3) on the tread periphery, which run ...
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WO/2008/149725 |
The heat resistance of carcass cords is enhanced, and an enhanced run-flat durability is attained. The pneumatic tire has a carcass (6) and, disposed outside in the radial direction thereof, a tread reinforcing cord layer (7). The carcas...
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WO/2008/149610 |
A tread portion (2) is widthwise divided into five regions of a central tread portion region (A), shoulder tread portion regions (C) and intermediate tread portion regions (B). The widthwise curve length of the tread surface of the centr...
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