FIELD: machine building.
SUBSTANCE: invention relates to machine building, particularly, to pneumatic tire tread. Pneumatic tire tread comprises circular ribs consisting of draughts elements with slit-like cutouts. At depth of slot-like cut each surface consists of two sections. First is wavy, and second is flat. On flat sections of opposite surfaces of slit is made in one row of lateral ledges and mating recess with gap between each other.
EFFECT: better moisture removal from contact spot.
9 cl, 8 dwg
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