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WO/2021/128227A1 |
A method for numerical evaluation and optimization of tire wear performance, relating to the technical field of semi-steel radial tire patterns. By making a pitch reasonably equivalent to a signal function, by means of the principle of s...
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WO/2021/126976A1 |
A tread for a heavy truck tire is provided that has a bottom surface (14), a shoulder rib (16), and a sacrificial rib (20) located outboard from the shoulder rib (16) in a width direction. A decoupling void (30) is located between the sh...
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WO/2021/124939A1 |
In a pneumatic tire (10), a ratio TW/SW between a ground contact width TW of the tire and a maximum width SW of the tire is no less than 0.75 and no greater than 0.95. An outside edge of a belt layer in a tire width direction extends in ...
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WO/2021/124969A1 |
In a tread of a tire, an inclined width direction groove (120), a plurality of zigzag-shaped sipes (160), an inclined width direction groove (130), and a plurality of zigzag-shaped sipes (170) are repeatedly formed in a tire circumferent...
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WO/2021/124598A1 |
A tire/wheel assembly according to the present invention comprises a tire and a wheel; the tire comprises a tread portion; the wheel comprises a rim portion; the tire is mounted to the rim portion; the tire/wheel assembly is provided wit...
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WO/2021/121748A1 |
The invention relates to a pneumatic tyre for a vehicle having a tread with profile positives (1, 1', 1") with cuts (3, 3', 3"), which run in plan view parallel to one another and at an angle to the axial direction of 0° to 50°, a widt...
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WO/2021/123580A1 |
The present invention relates to a pneumatic tyre tread (1) for a heavy duty construction plant vehicle and seeks to improve both the ability of said tyre not to retain stones in its voids, during off-road use, and its ability to deaden ...
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WO/2021/126164A1 |
A tread (12) for a heavy truck tire is provided that has a bottom surface (14), a shoulder rib (16), and a sacrificial rib (20) located outboard from the shoulder rib (16) in a width direction. A decoupling void (30) is located between t...
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WO/2021/121245A1 |
An anti-skidding pneumatic retractable tire, which comprises a hub (1), and an exterior tire (2) and an inner tire (3) that encase the hub (1); and multiple pneumatic retractable anti-skidding stud apparatus are embedded within the the e...
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WO/2021/123567A1 |
The invention relates to a tyre, the tread of which comprises at least one tread pattern block comprising at least one circumferential reinforcing element consisting of a composition having a dynamic shear modulus G* at least two times g...
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WO/2021/126202A1 |
A tread (10) for a heavy truck tire is provided that has an upper surface for engaging the ground, a leading edge, and a trailing edge forward of the leading edge in a rolling direction. The tread also has a J shaped sipe (30) that has a...
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WO/2021/117612A1 |
In a pneumatic tire 1, a rubber member that forms at least one of a bead filler 12, an under tread 152, a side-wall rubber 16, and a rim cushion rubber 17, has a tanδ value T20 at 20[℃] and a tanδ value T60 at 60[℃] that satisfy th...
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WO/2021/117282A1 |
A tire according to the present invention is a tire provided with a tread land portion sectioned on a tread by an isolation groove, or by the isolation groove and a tread end. The tread land portion is provided with siping extending inwa...
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WO/2021/117655A1 |
A tread pattern of a tire comprises: a plurality of first sipes in a region of a first land area between a first circumferential main groove and a second circumferential main groove; a plurality of first chamfered surfaces in which, at a...
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WO/2021/117653A1 |
The tread pattern of this tire comprises: a pair of first circumferential main grooves provided in a first half-tread region on one tire-width-direction side; a pair of second circumferential main grooves provided in a second half-tread ...
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WO/2021/117283A1 |
A tire (1) is provided with an annular groove (4) that partitions a tread surface (2a) of a tread (2) into a pair of annular land sections (3), the tire (1) including: a pin sipe (11) provided on the tread surface (2a) of the tread (2); ...
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WO/2021/117678A1 |
Provided is a tire that has stud pins implanted on a tread surface of a tread part and that enables improvement of performance on ice and improvement of noise performance on a dry road surface. In a tire that has stud pins P implanted on...
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WO/2021/117807A1 |
A tire 1 in which a shoulder land section 7 is included in a tread section 2. Provided in the shoulder land section 7 are a plurality of first shoulder lateral grooves 10 that extend inward in the tire-axis direction from a tread end Te ...
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WO/2021/117659A1 |
A tread pattern of a tire includes: a circumferential-direction main groove extending in a tire circumferential direction; a plurality of sipes arranged extending in a tire width direction through a region of a land portion in contact wi...
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WO/2021/117553A1 |
[Solution] A tire comprises: a belt provided on an outer side, in a tire radial direction, of a carcass disposed within a tire case 13, the belt being constituted by resin-coated cords, in which the cords are coated with a coating resin ...
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WO/2021/117337A1 |
The purpose of the present invention is to provide a base tread rubber composition which makes it possible to improve pass-by noise and achieve excellent control stability and rolling resistance when used in a tyre. To solve the aforem...
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WO/2021/117281A1 |
A tire of according to the present invention is a tire comprising a block-shaped land part on a tread surface, the block-shaped land part being divided by a division groove or by the division groove and a tread edge. The block-shaped lan...
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WO/2021/116610A1 |
A method for obtaining the distance travelled by a tyre, comprising the following steps: - fixing a sensor, to the right of the crown with a radial position Rc, capable of generating a signal proportional to the acceleration experienced;...
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WO/2021/111693A1 |
The present invention provides a tire in which it is possible to suppress reduction in wet-gripping performance and increased hardness before and after thermal aging. The present invention pertains to a tire having a tread formed from an...
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WO/2021/111664A1 |
A pneumatic tire according to the present invention has, on a tread surface, a plurality of circumferential-direction main grooves that extend in a tire circumferential direction, and has, in a land part on the width-direction outermost ...
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WO/2021/111083A1 |
The invention relates to a pneumatic tire for a vehicle, comprising a tread (2) in which the central portion of the tread (2) comprises at least two rubber mixtures (221, 222) making up at least 90% of its volume. The first mixture (221)...
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WO/2021/111662A1 |
This pneumatic tire comprises, in a tread surface, a plurality of circumferential main grooves that extend in the tire circumferential direction, and a plurality of lands that are demarcated between circumferential main grooves, of the p...
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WO/2021/111663A1 |
This pneumatic tire has: at least two circumferential direction main grooves that extend in the tire circumferential direction, on the tread surface; and, in a land section partitioned by the two circumferential direction main grooves, a...
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WO/2021/111665A1 |
A pneumatic tire according to the present invention has, on a tread surface, a plurality of circumferential-direction main grooves that extend in a tire circumferential direction, and has, in a land part on the width-direction outermost ...
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WO/2021/105587A1 |
The invention relates to a tyre, the tread (6) of which comprises at least two layers (61, 62) of elastomer blends. According to the invention, the two working crown layers (51, 52) and at least one layer (53) of circumferential reinforc...
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WO/2021/106102A1 |
Tread for a tire being provided with a plurality of grooves (3) extending in an orientation having a non-zero angle A with circumferential orientation, at least two circumferentially adjacent grooves (3) delimiting a contact element (4);...
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WO/2021/106976A1 |
This tire is provided with a tread section (10) that includes a pair of circumferential main grooves (20), and the tread section (10) includes a central land region (CR), demarcated by the pair of circumferential grooves (20), and should...
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WO/2021/106429A1 |
A purpose is to provide a tire with improved uneven wear resistance. When, in a tire plan view, an inclination angle of a cord contained in a second belt layer (26c) relative to a tire width direction is a positive inclination angle, and...
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WO/2021/106919A1 |
A tire according to the present invention comprises a widthwise groove (30) that is formed in a tread (10) and extends in a tire widthwise direction (TW). One groove wall (31) that forms the widthwise groove (30) comprises a curve-shaped...
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WO/2021/105586A1 |
The invention relates to a pneumatic tire comprising a crown reinforcement (4) made up of two working crown plies (41, 42) of reinforcing elements and at least one ply (43) of circumferential reinforcing elements. According to the invent...
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WO/2021/104737A1 |
The invention relates to a pneumatic vehicle tire comprising a profiled tread with at least one circumferential groove (1) with a groove base (3) and two groove flanks (4). The groove base (3) is equipped with a number of protrusions (5)...
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WO/2021/106103A1 |
Tread for a tire being provided with a plurality of grooves (3), at least two circumferentially adjacent grooves (3) delimiting a contact element (4), the contact element (4) having at least one incision and being delimited into at least...
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WO/2021/106817A1 |
A pneumatic tire (10) has a center land region (CT1) defined by a pair of circumferential-direction main grooves (71, 72) which extend in the tire circumferential direction. The center land region (CT1) is provided with a block column (3...
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WO/2021/104738A1 |
The invention relates to a pneumatic tyre for a vehicle, with a profiled tread with profile elements (1, 1', 1''), such as profile blocks or profile ribs, in which cuts (3, 3', 3'') having a width (b1) of 0.4 mm to 1.0 mm each form a cut...
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WO/2021/105588A1 |
The invention relates to a tyre, the tread (6) of which comprises at least two layers (61, 62) of elastomer blends. According to the invention, the two working crown layers (51, 52) are only present to form the crown reinforcement (5) ov...
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WO/2021/100465A1 |
The present invention provides: a tread rubber composition capable of improving overall fuel efficiency, wet grip performance, and wear resistance; and a tire. This tread rubber composition includes a styrene-butadiene rubber, silica, an...
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WO/2021/099031A1 |
The invention relates to a commercial vehicle radial tyre comprising a tread having circumferential grooves which are designed for tread depth and which divide the tread into at least two tread ribs (1), that extend in the central region...
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WO/2021/100302A1 |
This pneumatic tire achieves both low rolling resistance and shock burst resistance. A carcass layer 13 is constituted by carcass cords made of organic fiber cords obtained by twisting together filament bundles of organic fibers. The car...
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WO/2021/100669A1 |
This pneumatic tire 1 is provided with a plurality of main grooves 2; 321 and land parts 31, 32 partitioned by the main grooves 2; 321. In addition, the main groove 2; 321 is provided with a rib-like convex portion 4 that protrudes from ...
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WO/2021/099030A1 |
The invention relates to a utility vehicle tyre comprising lateral walls (2) and a tread (1) having shoulder-side profile ribs (3), which have shoulder-side profile blocks (6) that are separated from one another by transverse ribs (5) an...
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WO/2021/099032A1 |
The invention relates to a pneumatic tyre for a vehicle, in particular a pneumatic tyre for a commercial vehicle. The pneumatic tyre comprises a directional tread which has tread ribs extending circumferentially in the circumferential di...
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WO/2021/094043A1 |
A pneumatic vehicle tire having a tread with at least one profile block row (2, 3) which is divided into a multiplicity of profile blocks (2a, 3a) by transverse channels (6, 7) which extend at an angle (α, β) of up to 50° with respect...
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WO/2021/095357A1 |
Provided is a pneumatic tire achieving both high-speed durability and shock-burst resistance, and also having low-noise properties. A carcass layer 13 is constituted by carcass cords composed from organic fiber cords obtained by twisting...
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WO/2021/094279A1 |
The invention relates to a method for monitoring the tyres on a motor vehicle (1), in which a wheel speed signal is generated by means of a wheel speed sensor (3), and a transverse vibration characteristic of a wheel (2) on the motor veh...
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WO/2021/090660A1 |
A tire which comprises a tread that is configured from a rubber composition which contains an isoprene rubber, silica and a resin composition, wherein the tanδ at 0°C (0°C tanδ) and the tanδ at -20°C (-20°C tanδ) satisfy formula ...
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