A tire () for a heavy-duty vehicle having a tread () with at least one complex circumferential cut (), consisting of an alternation of external cavities (), which open onto the tread surface (), and of internal cavities (), which are hidden inside the tread (), and aims to reduce its sensitivity to…

A tire comprising a tread portion divided between a central portion and two shoulder portions; wherein two main external grooves extending in a circumferential direction of the tire are each disposed between the central portion and one of the two shoulder portions; wherein the central portion…

A pneumatic tire includes, on a tread surface, circumferential main grooves extending in the tread circumferential direction, rib-like land portions defined between circumferential main grooves adjacent in the tread width direction or by circumferential main grooves and tread edges, and resonators…

The tire of the present disclosure is a tire having at least one land portion 1 defined on a tread surface of the tire, wherein at least one of the land portions comprises at least one sipe 4 extending in the tire circumferential direction or the tire width direction, the sipe 4 has: a narrow…

In a tire, a middle land portion includes a first middle narrow groove having a linear shape or an arc shape and extending through the middle land portion and a second middle narrow groove having a Z-shape and extending through the middle land portion. A center land portion includes a first center…

Fahrzeugluftreifen mit einem Laufstreifen mit zumindest einer schulterseitigen Profilrippe (1) mit einem innerhalb der Bodenaufstandsfläche verlaufenden Rippeninnenabschnitt (1a), einem außerhalb der Bodenaufstandsfläche verlaufenden Rippenaußenabschnitt (1b) und in einem Abstand (a1) vor der…

Die Erfindung betrifft einen Fahrzeugluftreifen mit einem Laufstreifen mit zumindest einer durch eine Umfangsrille (2) begrenzten schulterseitigen Profilrippe (1) mit einem innerhalb der Bodenaufstandsfläche verlaufenden Rippeninnenabschnitt (1a), einem außerhalb der Bodenaufstandsfläche…

A pneumatic tire includes inner intermediate lug grooves having a length L and outer intermediate lug grooves having a length L formed in inner and outer intermediate land portions, respectively, where lengths L and L satisfy L>L. Distances W, W, W, and W from a tire equator to an inner shoulder…

A pneumatic tire includes, in a land portion, at least one circumferential sipe extending in the tire circumferential direction. At a first position, from the tread surface towards the sipe bottom, the sipe width gradually decreases from the tread surface to a first changing point and then…

A pneumatic tire includes, on a tread surface, circumferential main grooves extending in the tread circumferential direction, and land portions defined between circumferential main grooves adjacent in a tread width direction among the circumferential main grooves or by the circumferential main…

Provided is a pneumatic tire including a plurality of main grooves extending in a tire circumferential direction and land portions defined by the main grooves adjacent to each other, respectively. The land portions are ribs that are continuous in the tire circumferential direction, and include lug…

A tire includes a pair of crown circumferential grooves , a pair of shoulder circumferential grooves , a crown land portion , and a pair of middle land portions and , the crown land portion includes a main crown shallow groove and at least two sub-crown shallow grooves and each extending so as to…

In a pneumatic tire including main grooves extending in a tire circumferential direction in a tread portion, and including a sipe extending in a tire lateral direction on a rib defined by the main grooves, the sipe includes an edge on a leading side and an edge on a trailing side, chamfered…

A pneumatic tire comprises circumferential main grooves extending in the tire circumferential direction and land portions defined by the circumferential main grooves. The land portions are each provided with a plurality of groove units which are sets including a first groove, a second groove, and a…

An excessive concentration of stress across the entire groove bottom face of a fine groove and at a length direction end portion of the fine groove is avoided. Joining a groove side face and the groove bottom face at the length direction end portion of the fine groove to a groove side face of a…

A pneumatic tire includes a tread portion provided with a circumferentially and continuously extending zigzag shoulder main groove (3) located adjacent to a tread edge, a shoulder lateral groove (7) extending axially outwardly from the shoulder main groove and a central lateral groove (14, 15, 16)…

An object is to improve cut-resistance performance and wear-resistance performance of an aircraft tire. An aircraft tire (10) has: plural ribs (a wide rib (12), narrow ribs (14)) that are provided at a tread portion (18), and that are demarcated by circumferential direction grooves (22) that extend…

An object of the invention is to increase the room for elongation of a tread protection layer, while securing durability. An aircraft pneumatic tire 10 includes: a tread protection layer (12) that is provided at a lower layer of a tread section (22), and that includes plural cords (24) that arrayed…

A pneumatic tire having, on a tread surface, polygonal blocks closely and densely arranged and capable of reducing noise in a high dimension is provided. On the tread surface, land portions are defined by a pair of circumferential main grooves extending in a zig-zag manner along a tire equator on…

A block 100 includes a pair of extending portions 40 that respectively extend in the tire circumferential direction from a lateral surface 25A and a lateral surface 25B, and a pair of protruding portions 60 that respectively protrude from the pair of extending portions 40 in the tire…

The tread has profile elements (2,3) which are separated by grooves (5-7), and radially outer surface which are formed by fine incisions (8) extended along extension direction of line (9). The incisions are formed in wave/zigzag shapes along the main extension direction of line, by forming peaks…

A tire tread comprising a center rib (22), first and second intermediate ribs (18, 20) on opposite lateral sides of the center rib (20) and separated from the center rib (20) respectively by first and second intermediate circumferential grooves (28, 30), and first and second shoulder ribs (14, 16)…

A pneumatic tire 1 which includes a plurality of rib-shaped land portions extending in a tire-circumferential-direction and in which a circumferential groove is formed extending in the tire-circumferential-direction between the land portions. The circumferential groove is provided with an…

A heavy duty tire comprising: a shoulder rib (A1) (shoulder rib (A5)) which is provided to a tread shoulder unit; a second rib (A2) (second rib (A4)) which is adjacent to the shoulder rib (A1) with a circumferential groove (110) (circumferential groove (116)) interposed therebetween and is provided…