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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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WO/2021/089301A1 |
The invention relates to a wheel (1), comprising a hub (2) and a running wheel body (3), which has, on its outer periphery, a tread (4). The tread (4) is formed from segments (5, 6). The segments (5, 6) are substantially planar. First se...
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WO/2021/089958A1 |
The invention relates to a tyre having a directional tread, which forms a contact patch AC when running. It comprises a plurality of blocks (21A, 21B) which form a contact surface SC. The surface voids ratio is defined by TES=(AC-SC)/AC....
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WO/2021/089962A1 |
The invention concerns a tyre comprises a directional tread provided with two edges (25A, 25B), and a centre (C) separating it into two parts of substantially equal width. The tread comprises, on one of its two parts, blocks (21A, 21B) s...
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WO/2021/090152A1 |
A motorcycle tyre (1) is described comprising an equatorial plane (X-X) and a tread band (8) comprising a radially inner portion (13) and a radially outer portion (11) respectively comprising a first and a second vulcanized elastomeric m...
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WO/2021/089964A1 |
Disclosed is a tire comprising a tread having two edges (25A, 25B) and a center (C), separating the tread into two portions of equal width with sets of tread bars (21A, 21B). Each set of tread bars (21A, 21B) has three regions: an edge r...
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WO/2021/089960A1 |
Disclosed is a tire comprising a tread having two edges (25A, 25B) and a center (C), separating the tread into two portions of equal width with sets of tread bars (21A, 21B). Each set of tread bars (21A, 21B) has three regions: an edge r...
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WO/2021/089959A1 |
The invention relates to a tire comprising a directional tread that has a width (W), has a total volume VT, and includes notches (221, 211, 212) defining a notch volume VE. A volumetric notch rate (TEV) is defined as TEV = VE/VT, some of...
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WO/2021/091993A1 |
The present invention provides a system and method for altering the audible sounds generated by a tire during operation by altering airflow through the tread. The tread includes tread blocks and the tread blocks include a plurality of tr...
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WO/2021/089965A1 |
Disclosed is a tire comprising a tread that has a width (W), has a total volume VT and includes notches (221, 211, 212) defining a notch volume VE. The equation TEV = VE/VT applies. Notches (211) delimit tread bars (21A, 21B) organized i...
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WO/2021/085021A1 |
Provided is a pneumatic tire in which: land sections (12A, 12B, 12C) are divided into a plurality of blocks (14A, 14B, 14C) by width-direction grooves (13a, 13b, 13c), the land sections (12A, 12B, 12C) being located between, from among a...
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WO/2021/085022A1 |
Provided is a pneumatic tire in which: a plurality of inner circumferential grooves (11a, 11b, 11c), arranged between a pair of outermost circumferential grooves (11d, 11d), each have a narrower groove width than the outermost circumfere...
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WO/2021/085004A1 |
Provided is a pneumatic tire in which stud pins are implanted in a tread surface of a tread part, the pneumatic tire being capable of suppressing road surface damage while improving performance on ice. In a pneumatic tire in which stud p...
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WO/2021/085005A1 |
Provided is a pneumatic 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 ride quality performance on a dry road surface. This pneumatic tire has st...
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WO/2021/079046A1 |
The invention relates to a tyre for a passenger vehicle comprising an outer strip (2) having a tread (21). The outer strip (2) has a central portion and two axially outer portions. The outer strip comprises at least two rubber compounds ...
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WO/2021/079897A1 |
A tire according to the present disclosure comprises a rib-shaped or block-shaped land part (100) in contact with a road surface. The land part (100) includes a plurality of sipes (101). Ends (103), which are ends of the plurality of sip...
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WO/2021/079839A1 |
A tire according to the present disclosure is provided with land portions (100) each of which comes into contact with a road surface and which is in a rib shape or a block shape. The land portions (100) each include a plurality of sipes ...
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WO/2021/079634A1 |
Provided is a pneumatic tire achieving both steering stability on a dry road surface and shock-burst resistance. At least one carcass layer 13 is provided to span between a pair of bead portions 10 arranged on the inside in the tire radi...
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WO/2021/079673A1 |
Provided is a tire having a belt layer that can improve fuel efficiency while maintaining good performance in terms of noise, ride comfort, and durability. A tire 1 has a belt layer 7 disposed inside a tread part 2. The belt layer 7 in...
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WO/2021/079066A1 |
The invention relates to a tyre (10) for a vehicle, comprising a radially outermost working layer (41) comprising at least one undulation (412) vertically in line with a central rib (251) of the tread (2). The undulation (412) is radiall...
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WO/2021/079051A1 |
The invention relates to a tyre with a radial carcass reinforcement, comprising a crown reinforcement which comprises two working crown layers of crossed metal reinforcement elements. According to the invention, the crown reinforcement f...
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WO/2021/079047A1 |
The invention relates to a passenger vehicle tyre designed for use on a snow-covered road, comprising an outer strip (2) comprising a tread (21). The outer strip (2) has a central portion and two axially outer portions. The outer strip c...
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WO/2021/074517A1 |
The invention relates to the tread pattern of a tyre for an agricultural vehicle. The basic idea is to design the tread pattern in such a way as to prevent coincidence of the harmonics of the tread pattern driven over the ground with the...
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WO/2021/075469A1 |
This pneumatic tire has an ellipticity of 35 to 70%, and in a no-load regular state in which the pneumatic tire has been rim-assembled onto a regular rim and has been filled to a regular internal pressure, when the tire is loaded with a ...
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WO/2021/075098A1 |
According to this method for manufacturing a tire for testing and this method for setting a tread removal shape, in a cross-sectional view: a residual groove contour line (30) is set by moving a contour line of a tread surface (13A); a p...
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WO/2021/075256A1 |
The present invention relates to a tire that is installed on a vehicle in a designated orientation, and improves ride comfort during low-temperature traveling while maintaining dry grip and wet grip. A first main groove 11 has a ratio L8...
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WO/2021/070557A1 |
A tire/wheel assembly of the present invention comprises a tire having a tread part and a wheel having a rim part, wherein: the tire is attached to the rim part; the tire/wheel assembly comprises a power receiving coil; and on the ground...
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WO/2021/070578A1 |
The present invention improves recyclability, as well as ensuring grip by suppressing a reduction in ground contact area even when a tread reinforcement element has been eliminated. The present invention comprises a tire frame member 2 i...
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WO/2021/065983A1 |
Provided is a pneumatic tire having improved steering stability, low rolling resistance, wet grip performance, low road noise characteristics, and high-speed durability, these properties being higher than conventional levels. The pneumat...
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WO/2021/065294A1 |
A surface of a sidewall part of a pneumatic tire comprises a smooth surface region and a two-dimensional code, formed within the region, having a dot pattern formed by two types of shading elements that are distinguishable from each othe...
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WO/2021/059663A1 |
In this pneumatic tire, a shoulder land part 31 is provided with: a single circumferential fine groove 311; a plurality of outer shoulder lug grooves 312; a plurality of inner shoulder lug grooves 313 connecting a shoulder main groove 21...
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WO/2021/060382A1 |
Provided is a pneumatic tire that achieves both handling stability and good wet grip performance. This pneumatic tire comprises a tread having two or more circumferential main grooves extending continuously in the circumferential directi...
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WO/2021/060033A1 |
Provided is a motorbike tire having improved draining performance and achieving both dry performance and wet performance. A motorbike tire 10 is provided with a tread portion 11 that is formed in an annular shape. The tread portion 11 co...
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WO/2021/059662A1 |
This pneumatic tire comprises a plurality of main grooves 21, 22 having zigzagging shapes and extending in the tire circumference direction, and land sections 32 that are demarcated by adjacent main grooves 21, 22 and that have rib struc...
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WO/2021/059680A1 |
This pneumatic tire is provided with a plurality of main grooves 21, 22 that extend in the tire circumferential direction and lands 32 and 33, which are formed as partitioned by the neighboring main grooves 21, 22 and 22, 22. Moreover, t...
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WO/2021/059853A1 |
A pneumatic tire 1 comprising a tread 2. A circumferential direction main groove 12 positioned on the outermost side when attached to the vehicle has a ratio W1/W2 of 0.30–0.75 between a groove width W1 at a position at 90% of the groo...
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WO/2021/058155A1 |
The invention relates to a method for determining at least one circumference value characterizing a circumference (U) of a wheel (10) of a vehicle, in which method: a rotational speed of the wheel (10) is sensed; a wheel velocity (22) of...
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WO/2021/053913A1 |
A pneumatic tire according to the present invention has, on a tread surface, a plurality of circumferential main grooves extending in a tire circumferential direction, a plurality of land parts each demarcated between the circumferential...
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WO/2021/053912A1 |
In this pneumatic tire: a land has at least one circumferential sipe extending in the tire circumferential direction; at a first position, in the direction from a tread surface toward a sipe base, the width of the sipe gradually decrease...
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