TIRE WITH PERFECTED BEADS Russian patent published in 2015 - IPC B60C15/06 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Every bead comprises bead filler arranged at least partially between main part and external part of carcass reinforcement. Every bead comprises extra outer band arranged axially outward from carcass reinforcement external part. Bead filler features depth E(r). Note here that said depth corresponds to the length of zone of interaction of direction perpendicular to carcass reinforcement main part with bead filler. Note here that r means the distance separating said intersection point from the circular reinforcing structural element point nearby the centre in radial direction. Set composed of bead filler and outer band feature depth ET(r). For all intersection points for which radial distance r from said circular reinforcing structural element point nearby the centre in radial direction exceeds or equals 10% and smaller of equals 35% of tire profile height H in radial direction while E(r)/ET(r) ratio exceeds or equals 0.3 and is smaller or equals 0.5.

EFFECT: optimised performances.

8 cl, 10 dwg