FIELD: motor industry.
SUBSTANCE: invention relates to a tire for wheeled heavy-payload vehicles. Tire comprises a tread with a central annular part located on both sides of an equatorial plane, and two circular parts of shoulder zones. Central annular part is separated from every annular part of the shoulder zone by corresponding circumferential groove and has a circumferential groove. Circumferential groove has a part, which is most internal in radial direction and has an essentially parallel walls and connected to the part which is most external in radial direction, diverging in radial direction towards the tread surface.
EFFECT: there are achieved improved operating characteristics during operation on both dry and wet surfaces of roads with low rolling resistance.
12 cl, 11 dwg
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RU2502608C1 |
