PNEUMATIC TIRE WITH RIB TRIANGULATED REINFORCEMENT MEMBER Russian patent published in 2004 - IPC

FIELD: tire industry. SUBSTANCE: invention relates to pneumatic tire with radial carcass, namely to pneumatic tires for heavy cross-country trucks designed for driving at high speed, such as truck-tractors, trailers or buses. Pneumatic tire with radial carcass over which ridge reinforcement member is placed contains at least two layers of strengthening members intersecting from one layer to the other differing in width in axial direction. Each of minimum axial width layer is separated from maximum axial width layer by shaped member made of caoutchouc mix. Said shaped member is separated from calendaring layer for minimum width layer by layer of framing rubber, shaped member, framing rubber layer and calendaring layer feature moduli of elasticity MP, MG, MC meeting relationship MC≥MG>MP. EFFECT: reduced damages of tire. 4 cl, 2 dwg