Tyre tread

Details Tyre tread Tyre tread

B - Operations, Transporting

60

C

B60C 11/12 (2006.01) B60C 11/13 (2006.01)

Patent

CA 2190880

A tyre tread (10) including at least some raised portions having at least one groove (1) with facing walls (P) each having a relief surface made up of projections (2) and cavities (3) on either side of a median wall surface (M), each of said projections (2) and cavities (3) having, on said median surface (M), a quadrilateral base (b¿S?, b¿C?) and an apex (S, O', A', B', C') at a distance from said surface, and the base (b¿S?) of one projection (2) being completely surrounded by the bases (b¿C?) of cavities (3).

Bande de roulement (10) pour pneumatique, comprenant au moins certains éléments en relief, munis d'au moins une incision (1) dont les parois P se faisant face présentent chaque une surface en relief, formée de saillies (2) et de cavités (3) disposées de part et d'autre d'une surface moyenne M de paroi, lesdites saillies (2) et cavités (3) ayant chacune sur ladite surface moyenne M une base quadrilatère (bS, bC) et un sommet (S, O', A', B', C'), distant de ladite surface, la base bS d'une saillie (2) étant complètement entourée de bases bC de cavités (3).

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