Importance

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Abstract

A tyre includes a tread band having at least two substantially parallel longitudinal grooves and at least one series of transverse grooves crossing the longitudinal grooves. The transverse and longitudinal grooves delimit at least two rows of shoulder blocks and at least one row of centre blocks. The transverse grooves have at least two transverse channels, each including an outer end stretch in an orientation substantially perpendicular to an equatorial plane of the tyre and a curvilinear connecting stretch close to the equatorial plane. The joining of laterally-opposite transverse channels gives each transverse groove a continuous course. At least one transverse channel of at least one of the transverse grooves also includes an inner end stretch. The connecting stretch interconnects the outer end stretch with the inner end stretch in a continuity relationship. The inner end stretch penetrates a center block but does not cross any other of the transverse grooves such that the center block is a single element defined by the longitudinal grooves extending between two contiguous transverse grooves.

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First Claim