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WO/2021/156565A1 |
The present invention relates to an agricultural vehicle tyre (1), and in particular the carcass reinforcement (4) thereof, and has the aim, for a tyre operating at low pressure on a soft soil, of reducing the compaction of the soil and ...
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WO/2021/153277A1 |
Provided is a wear-condition-sensing device with which it is possible to accurately sense the progress of wear in the tread of a pneumatic tire. A wear-condition-sensing device 10 comprises an element 11 that generates voltage on the bas...
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WO/2021/153278A1 |
Provided is a wear state detection device that enables accurate detection of progression of wear in the tread of a pneumatic tire. The wear state detection device 10 comprises: an element 11 that generates voltage on the basis of deforma...
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WO/2021/148529A1 |
A tyre comprising an adaptive tread, the adaptive tread comprising a plurality of surface sections, wherein each surface section can move without deformation relative to the other surface sections to form a tread pattern.
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WO/2021/139929A1 |
The invention relates to a pneumatic tyre for a vehicle, having a tread with at least one more particularly straight circumferential groove (1) disposed at tread depth (Ti) and delimited by groove flanks (5, 6) and a groove base (4) havi...
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WO/2021/141123A1 |
Provided is a tire with which both off-road performance and external-damage resistance are achieved while any reduction in uniformity is minimized. The invention is characterized in that: at least one side wall section 8 is provided wi...
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WO/2021/137860A1 |
A tire tread sculpture designed to achieve a high level of dry braking and great handling while not sacrificing snow traction comprising a sculpture design implementing a rib design across the entire width o the tire tread while reducing...
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WO/2021/132496A1 |
A rubber composition according to the present invention is obtained by mixing, with respect to 100 parts by mass of diene-based rubber including at least 80 parts by mass of natural rubber: 0.5-3.0 parts by mass of a specific hydrazide c...
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WO/2021/130832A1 |
Present invention provides a tire (1) comprising a tread (2), carcass ply 88) and at least one ply (7), the tread (2) having a contact face (21) of a width TW and being provided with at least one groove (3) of a depth D, the tread (2) co...
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WO/2021/131183A1 |
To provide a pneumatic tire with improved dry steering stability and wet steering stability in a well-balanced manner. A tire profile between both ground-contact ends (E1, E2) is configured of two tire-outer-side profiles (Po1, Po2) havi...
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WO/2021/130879A1 |
Present invention provides a tread (1) for a tire being provided with a plurality of grooves (3) extending in an orientation having a non-zero angle with the circumferential orientation, at least two circumferential adjacent grooves of t...
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WO/2021/130833A1 |
Present invention provides a tread for a tire having a contact face being provided with at least one circumferential groove and a plurality of transvers grooves opening to the contact face delimiting a plurality of contact elements compr...
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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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