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WO/2021/201254A1 |
In order to achieve both abrasion performance and uneven wear resistance, this tire is provided with: a main groove 20 which extends in the tire circumferential direction, lug grooves 30 which extend in the tire width direction, land are...
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WO/2021/200132A1 |
Provided is a pneumatic tire in which the rolling resistance coefficient is reduced while maintaining steering stability. In a ground contact region defined by a pair of shoulder main grooves 10B located on both outermost sides of a trea...
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WO/2021/201283A1 |
In order to improve on-ice/snow performance, this tire has a circumferential direction groove 11 located at an outermost side in a tire width direction as an outermost circumferential direction groove 12, a land portion 20 located inside...
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WO/2021/201280A1 |
In order to have satisfactory dry performance, wet performance, and on-ice performance, width-direction edge parts 40, which are edge portions 35 of lug grooves 15 between land parts 30, each have a plurality of width-direction bent port...
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WO/2021/199471A1 |
Provided is a pneumatic tire with which durability of belt layers can be increased. In the pneumatic tire, a plurality of belt layers 7 are embedded in a tread portion 1. The belt layers 7 include a crossing belt pair 7' configured such ...
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WO/2021/200098A1 |
Provided is a tire comprising a pair of beads, a pair of sidewalls, and a tread communicating with both sidewalls, the tread being divided into at least three sections in the tire width direction by a center part that includes the tire e...
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WO/2021/198105A1 |
A tyre tread (10) has a groove (12) having a snow trapping device in the form of a dam (14) in it. The dam (14) is attached to a bottom wall (16) of the groove (12), and to side walls (18, 20) of the groove (12). The dam (14) has a first...
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WO/2021/191552A1 |
The invention relates to a tyre with a tread comprising at least two tread pattern units (MA, MB), distributed periodically in the circumferential direction with pitches (PA, PB). Each tread pattern unit is formed of three portions (Z1, ...
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WO/2021/193901A1 |
An article intended to come into contact with the ground, and the article comprising a laminate comprising at least two superposed portions comprising: a first portion (FP) made of a first rubber composition (FC); and a second portion (S...
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WO/2021/194695A1 |
Methods, apparatus, systems, and computer program products for determining tread depth using data from a tire mounted sensor (TMS). In a particular embodiment, determining tread depth using data from a TMS includes determining, based on ...
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WO/2021/191551A1 |
The invention relates to a tyre having a tread comprising at least two tread pattern elements (MA, MB) distributed periodically in the circumferential direction at spacings (PA, PB). Each tread pattern element is formed of three portions...
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WO/2021/192474A1 |
In order to provide a method for accurately estimating the degree of wear of a tire when travelling regardless of tire wear shape, the degree of wear of the tire is estimated using: an index of a deformation speed at or near an edge of a...
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WO/2021/185474A1 |
Tread profile of a vehicle tyre with profile elements (1, 12, 13, 14, 15, 6) separated from one another by grooves (7, 8, 9, 10, 23), wherein the profile elements (13, 14, 1, 12) that are separated by a groove (9, 7) are outwardly delimi...
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WO/2021/188139A1 |
A tire may be re-treaded utilizing a process in which a worn tread is removed from a casing. The worn tread had a first tread pattern. The casing has a tire body encapsulating at least one reinforcing belt, the at least one reinforcing b...
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WO/2021/182536A1 |
The purpose of the present invention is to provide a pneumatic tire that has a small environmental load by not containing resorcin in an adhesive composition used for coating organic fiber cords, and that has an excellent rolling resista...
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WO/2021/182301A1 |
A circumferential main groove (31), a circumferential main groove (41), a circumferential main groove (32), and a circumferential main groove (42) of a pneumatic tire (10) include see-through portions (P), and have an equal groove width....
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WO/2021/177227A1 |
The present invention provides a tire with which it is possible to improve dry performance and wet performance, and also improve snow performance. In this tire having a designated direction for mounting to a vehicle, a groove area ratio ...
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WO/2021/176806A1 |
The present invention achieves a balanced improvement in wet manoeuvrability, external noise resistance and wear resistance. Along vehicle-mounting outer edges of first to fourth circumferential main grooves (12, 14, 16, 18), first to fo...
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WO/2021/177228A1 |
The present invention provides a tire with which it is possible to improve dry performance and wet performance, and also improve antiwear performance and snow performance in a well-balanced manner. In this tire having a designated direct...
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WO/2021/172099A1 |
A small-width large-diameter tire is provided with which it is possible to improve noise suppression performance during high-speed running without impairing the low-temperature handling performance. The tire includes a tread 2 comprisi...
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WO/2021/174181A1 |
An external tire reader can be configured to read a tire tread. The external tire reader can include an offset structure, a camera system, and a controller. The offset structure can be configured to be applied to the tire tread. The came...
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WO/2021/166904A1 |
This tire has a tread comprising: a first layer constituting a tread surface; and a second layer adjacent to the radially inner side of the first layer, wherein the first layer and the second layer are formed of a rubber composition cont...
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WO/2021/164442A1 |
A multi-nail hole studded tire, comprising a tire body that forms a tire main body, a tire crown reinforcement, two tire beads that make contact with a mounting rim, two tire sidewalls, and a tread; the tread is circumferentially covered...
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WO/2021/165291A1 |
A wear detection device and method for detecting and indicating wear of a tire (10), the device comprises a transmitter (20) installed in the tire, and which is adapted to transmit signals when supplied with power. The transmitter furthe...
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WO/2021/162464A1 |
A tire wear detection device, according to one embodiment of the present invention, comprises: a first body which is inserted and positioned in the outer surface of a tire; a second body which is inserted and positioned in the inner surf...
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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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