PNEUMATIC TIRE Russian patent published in 2019 - IPC B60C15/06 

FIELD: automotive industry.

SUBSTANCE: invention relates to the automotive industry. Pneumatic tire (1) includes: carcass layer (13) arranged to cover bead core (11) and bead filler (12) and having bent configuration; steel bead belt (21) formed by grouping a plurality of steel cords and located between carcass layer (13) and the mounting surface of the disc; and additional side belts (22, 23) located between the steel bead belt (21) and the disk mounting surface and made from organic fiber, note here that steel bead belt (21) comprises outer end section located outside relative to bead filler (12) in tire transverse direction. Outer end section features height of 0.5 or more to 0.7 or less than that of disc flange. Each of additional bead belts (22, 23) includes external end section located outside relative to bead filler in transverse direction of tire. Outer end section has height of 0.7 or more up to 0.9 or less than disk flange height, and carcass layer (13) has height of upward bent section that is 2.5 times or more to 4.5 times or less than height flange of the disc.

EFFECT: elimination of stratification on end sections of all bead belts.

11 cl, 5 dwg, 2 tbl