A tyre includes a tread band, a tread surface which is radially external to the tread band, and a plurality of blocks formed on the tread band. Each block is at least partially delimited by a groove which defines a flank of the block. The flank is joined to a tread surface portion. The tread…
A heavy duty tire 2 includes a tread 4. The tread 4 has a plurality of circumferential main grooves 12. The plurality of circumferential main grooves 12 include a circumferential narrow groove 38. The circumferential narrow groove 38 includes a body portion 30, a tapered portion 32, and a widened…
The invention relates to a commercial vehicle tire having a tread with at least one profile rib which runs in encircling fashion in a circumferential direction, is arranged laterally with respect to the tire equatorial plane and has sipes extending through it, which sipes each have sipe walls, a…
Occurrence of uneven wear in a tire having a plurality of blocks is suppressed. A pneumatic tire according to the present invention includes, on a tread, a first intermediate land area formed on an inner side in a tire axial direction of a first shoulder main groove and a second intermediate land…
A pneumatic tire that includes a tread surface including: two or more main grooves ; and a pair of middle block rows , wherein one or more first middle blocks in the plurality of middle blocks each have a middle block inclined side wall surface that faces an outer main groove in the pair of outer…
The invention relates to a pneumatic vehicle tyre having a tread with at least one profile block row (), which is delimited at each side by a respective circumferential channel () and which is divided into profile blocks () by a multiplicity of transverse channels () which open into both…
A pneumatic tire includes a tread portion including a pair of first main grooves, a pair of second main grooves, a first land portion between the first main grooves and a pair of second land portions each sectioned adjacent one of the pair of first main grooves and one of the pair of second main…
A pneumatic tire comprising a plurality of circumferential main grooves, and a land portion defined by a pair of the plurality of circumferential main grooves. The land portion comprises a plurality of first lug grooves, a plurality of second lug grooves that are wider than the first lug grooves…
A pneumatic tire 1 is provided in the tread portion 2 with crown blocks 21 each circumferentially divided into two block pieces 28, and shoulder blocks 9 each circumferentially partially divided into two block pieces 15. The block pieces 28 of the crown block 21 are a first block piece 28 A having…
Heel-and-toe wear can be suppressed while securing snow performance. [0002] Includes: a block (14) that is provided at a tread (16), and that is demarcated by mutually intersecting circumferential direction main grooves (22) and lateral main grooves (24) (main grooves) respectively extending around…
To provide a pneumatic tire capable of improving the rolling performance, low noise performance and wear resistance performance while maintaining the wet performance. [0002] It is a pneumatic tire (1) provided in the tread portion (2) with a plurality of main grooves (3). The main groove (3) has…
A pneumatic tire includes a narrow groove on a tread surface, inclined from the tire circumferential direction, groove width being smaller than groove depth, and an air inflow part opening to the tread surface and formed on one of the opposing groove walls. At least one end of the narrow groove is…
A pneumatic tire, while achieving excellent drainage performance by projections and depressions formed in a circumferential groove, can reduce road noise by making the circumferential stiffness of a land portion uniform even in the presence of such projections and depressions. A plurality of…
A heavy duty pneumatic tire includes a tread portion 2 provided with circumferentially extending zigzag shaped main grooves 3 , a plurality of land portions 4 separated by the main grooves, and a plurality of lateral grooves 5 to form a plurality of block elements 6 on each land portion. Each land…
A pneumatic tire includes a tread portion provided with at least one circumferentially extending main groove (3, 4), and at least one lateral groove (11) extending from the main groove. The at least one lateral groove (11) comprises a bottom (18), and at least one stepwise groove wall (19) that…
A heavy duty tire includes a tread portion provided with a pair of circumferential main grooves (3) including at least one zigzag groove (6), lateral grooves (4) extending between the main grooves (3) to form center blocks (5) therebetween, and lug grooves (9); each lug groove (9) includes an…
The tire has tread bands including profile ribs that extend in a circumferential direction and are separated from each other by peripheral grooves. A groove bottom (4) is inclined relative to an axial direction below an acute angle (beta) of upto 20 degrees in one of the grooves running on a tread…
The tire has a lateral groove (4) that is arranged in positive profile limiting circumferential grooves (2,3), and whose ends are located within the positive profile. The lateral groove has a straight running base groove (5) with specific width in inner region and in outer region between the…
Provided is a pneumatic tire capable of yielding excellent water-draining performance, while reducing air column resonance. This pneumatic tire (1) has a tread (3) and at least one ply (2) arranged toward the interior of the tread in the radial direction. The tread has at least one main channel (4)…
The invention controls irregular wear in the shoulder land portions and reduces the occurrence of cracking in the shoulder grooves of a pneumatic tire. To that end, the groove wall surface (17a) on the shoulder land portion (19) side of the shoulder groove (17) has an inclined surface consisting of…
A heavy duty pneumatic tire is obtained capable of suppressing tread pattern pull and also improving wet weather performance. In a heavy duty pneumatic tire (10), second shallow grooves (28) and second sipes (26) inclined ascending towards the left with respect to the tire width direction are…
Provided is a pneumatic tyre tread which reduces tread pattern noise while effectively suppressing air column resonance produced by circumferential grooves. The pneumatic tyre tread according to the present invention is provided with circumferential grooves 2, ribs 3, and resonators for reducing…
Provided is a pneumatic tyre tread which reduces tread pattern noise while effectively suppressing air column resonance produced by circumferential grooves. The pneumatic tyre tread according to the present invention is provided with circumferential grooves 2, an intermediate rib 3, and shoulder…
The profile has tread bar rows aligned in a circumferential direction (U) of a tire of a vehicle, formed by tread elements (9) arranged behind each other in the circumferential direction and defined by peripheral grooves (6, 18) in an axial direction (A). Grooves (10) have two edge regions and a…
A pneumatic tire having an enhanced cracking resistance at groove bottom, including at least one circumferential main groove 9 having such a sectional profile shape as including an axially inner wall portion 13, an inner arc portion 14 continuous with the inner wall portion 13, an axially outer…
A heavy duty pneumatic tire comprises a tread portion provided with a circumferentially continuously extending longitudinal groove (10) disposed on each side of the tire equator (C), and oblique grooves (13) extending axially inwardly from the longitudinal groove (10) at an inclination angle of 20…
The profile has a groove wall formed in a radially inward extending section (15) of height (h3) with an angle in an axial direction (A) to a radial direction (R). Another groove wall is formed from a radially outward extending section (24) of height (h2) with even surface of the groove wall, and…
The vehicle tire has a groove wall (10) limited in a radial direction from a groove base to outward to a profile rib (2) that extends a surface area, which is build by a road contacting surface. The profile rib is formed along an extension from a kink (6) to another kink (7) of a circumferential…
The tread design has a circumferential channel (1) that is surrounded over the circumference of the vehicle tire and is aligned in circumferential direction of the vehicle tire. A channel wall (4) is formed at the tread upper surface by chamfering of an inclined surface (8) at a profile element (2)…
The profile has a peripheral groove (1) formed on peripheral portions (11, 12) with maximum groove depth. A rib flank (5) is formed in a radially inner extension area (8) in one of the portions with a slope or a curvature that is different from a slope or a curvature of the other portion. The rib…