A heavy duty pneumatic tire includes a tread surface having, on at least a section thereof, a plurality of circumferential-direction grooves extending along a tread circumferential line and land portions defined either by the circumferential-direction groo...

Water discharge performance and noise performance are improved in a balanced manner. A pneumatic tire has a main groove (3) provided to a tread part (2). In a transverse cross section, the main groove (3) has a first groove wall (10), a second groove wall ...

A pneumatic tire includes: a plurality of land portions; and in at least one land portion of the plurality of land portions, a sipe extending in the tread width direction, of which ends open at the circumferential grooves or the tread ends. Provided that o...

An object is to, in an aircraft tire, promote heat dissipation from circumferential direction grooves of a tread and improve durability of the tire. Plural circumferential direction grooves (central side circumferential direction grooves (14), edge portion...

A pneumatic tyre tread in which a reinforcing part 6 is provided on frontal side walls 52, 53 of a block 5 of a tyre tread 1 in order to improve the performance on snow and the performance on ice, and a pneumatic tyre having such a tread, wherein angles T1...

An object of the present invention is to provide a pneumatic tire capable of facilitating heat dissipation of a tread portion thereof to lower temperature at the tread portion. Specifically, the present invention provides a pneumatic tire having in a tread...

Provided is a pneumatic tyre tread that can maintain a good level of water drainage performance up to the final stage of wear of a tread part. The pneumatic tyre tread according to the present invention is formed with a plurality of flexible fences 4 which...