| 摘要 |
FIELD: motor vehicle industry.SUBSTANCE: tyre contains tread surface having circle groove going towards along the tyre circle, and multiple grooves in width direction, opened in the circle groove. The grooves in the width direction have the groove width exceeding width of the groove of the circle groove at least at the area opened in the circle groove, and grooves in direction of width go in the direction having inclination relatively to the direction along the tyre circle, where the cavity is made on the wall surface of the groove of the circle groove against the groove in the direction of width.EFFECT: reduced temperature of crown zone of the tyre tread.7 cl, 9 dwg |
