A pneumatic tire for heavy load is provided to be able to effectively enhance the transversal stiffness, so that the carcass can be prevented from breaking before the other reinforcement members such as a belt and a reinforcement layer break. A tread rubbe...

A belt package including at least three belt layers for use in a pneumatic tire, wherein the filament tensile strength of the steel cord/steel filament of the outermost belt layer on the tread side is made 5 % or more lower than the filament tensile streng...

In a pneumatic tire comprising a carcass, a belt arranged at the outside of the carcass in a radial direction and comprised of at least two belt layers, at least one belt reinforcing layer arranged so as to overlap with the belt and extend over a widthwise...

In a pneumatic tire for an airplane of the present invention, a reinforcing layer (22), which is disposed at an outer side, in the radial direction of the tire, of a belt (20), includes plural cords, the cords being provided such that the longitudinal dire...

A radial tyre for motorcycles comprises a carcass (6) extending between bead portions (4) through a tread portion (2) and sidewall portions (3), and a belt (7) disposed radially outside the carcass (6) in the tread portion (2) and comprising two crossed br...