LARGE-SIZE TIRE Russian patent published in 2012 - IPC B60C15/06 B60C15/00 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Proposed tire features coiled bead wherein carcass layer rim is coiled around bead ring. Said bead is furnished with reinforcing U-cross section layer and triangular cords section filler rubber. Said rim has additional bend arranged nearby radial outer side of bead ring. Bead filler rubber comprises high-elasticity inner portion and low-elasticity radially outer portion. Filler inner zone features L-like cross section including lower part along radially outer side of additional band, and uprising section running axially up on lower section inner side, and radially and conically outward along carcass layer main section.

EFFECT: longer life of tire bead.

12 cl, 12 dwg