PNEUMATIC TYRE WITH FORM FACTOR H/S≤0,6 Russian patent published in 2002 - IPC

FIELD: tyre industry. SUBSTANCE: invention relates to tyres designed for use on trucks, buses and trailers. According to invention, pneumatic tyre ribreinforcement is formed by layer of metallic cord threads oriented at minimum angle of 60 deg, two working layers of rib formed by non-stretchable metallic cord threads oriented at angle within 10 and 45 deg. between which first additional layer of metallic members is placed, these members being oriented parallel to circumferential direction of pneumatic tyre, and second additional layer arranged at each side of pneumatic tyre in radial direction over outer working layer being essentially centered on end of first additional layer. EFFECT: increased service life of pneumatic tyre. 6 cl, 2 dwg