PNEUMATIC TIRE Russian patent published in 2020 - IPC B60C15/04 B60C15/24 

FIELD: automotive industry.

SUBSTANCE: invention relates to the automotive industry. Pneumatic tire includes ring cores (5) of bead built into sections (3) of bead, and carcass layer (4) fixed on bead cores (5). Each of cores (5) of bead has cable structure of bead wire, in which composite cord (10) is spirally wound around circular carcass (20) of core, note also that composite cord comprises central wire (11) made from carbon fiber and multiple side wires (12) made of glass fibers arranged around central wire (11).

EFFECT: as a result, pneumatic tire allows to achieve performance characteristics equivalent to those of known tires or exceeding them, at the same time reduction of beads cores weight is ensured due to use of composite cord for cores.

9 cl, 4 dwg, 1 tbl