TREAD REINFORCEMENT DIAPHRAGM Russian patent published in 2003 - IPC

FIELD: automotive industry. SUBSTANCE: proposed toroidal diaphragm made of reinforced rubber is used in tubeless tire as reinforcement means, and it forms, together with tire and its mounting rib, a rolling unit. According to invention, being inflated to pressure exceeding pressure in inner space of tire, it has radius at top smaller than radius of tire at standard pressure. Diaphragm is reinforced at top by top and band reinforcements consisting of cord threads laid in circle and in side strips by at least one reinforcement layer around ring reinforcement member featuring breaking strength exceeding breaking strength of band fixture. EFFECT: improved safety of road vehicle in motion. 6 cl, 2 dwg