Importance

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Abstract

A pneumatic vehicle type for passenger vehicles or vans having at least one wide circumferential groove (1, 1′, 1″, 1″′), which runs in the circumferential direction and is bounded on the tread periphery by two edge borders (1a, 1′a, 1″a, 1′″a) which run parallel to one another and linearly, and has a groove base (13, 13′, 13″) as well as two groove edges (9, 10, 9′, 10′, 9″, 10″), wherein elements (11, 12, 11′12′, 11″, 12″) which project on the groove edges (9, 10, 9′, 10′, 9″, 10″) are formed alternately in the circumferential direction on one or other of the groove edges (9, 10, 9′, 10′, 9″, 10″), wherein each projecting element (11, 12, 11′, 12′, 11″, 12″) has a groove edge section (9a, 10a, 9′a, 10′a, 9″a, 10″a) lying opposite on the opposite groove edge (9, 10, 9′, 10′, 9″, 10″), which groove edge section (9a, 10a, 9′a, 10′a, 9″a, 10″a) runs least essentially in the radial direction starting at the edge border (1a, 1′a, 1″a, 1′″a) as far as the groove base (13, 13′, 13″), wherein the groove base (13, 13′, 13″) runs in a meandering or corrugated shape along and between the projecting elements (11, 12, 11′, 12′, 11″, 12″), wherein the projecting elements (11, 12, 11′, 12′, 11″, 12″) are essentially of wedge-like design and are bounded by oblique faces (14, 14′, 14″) which extend in the axial direction as far as the groove base (13, 13′, 13″) and run in the circumferential direction at least essentially over the circumferential extent of the elements (11, 12, 11′, 12′, 11″, 12″), wherein the projecting elements (11, 12; 11′,12′,11″,12″) are provided in at least two different circumferential lengths (L₁ to L₅, L₁′ to L₅′; L₁″ to L₅″) and follow one another according to a specific sequence over the circumference of the circumferential groove (1, 1′, 1″, 1″′).

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First Claim