Abstract: A tire (1) for a heavy vehicle of construction plant type and aims to improve the performance compromise between its lifetime in terms of wear, its resistance to attack and its grip. With the tread (2) having an axial width L0 and, on each side of an equatorial plane (XZ), at least one outer longitudinal cut (41) at an axial distance LE at least equal to 0.5*L0/2, and at least one inner longitudinal cut (42) at an axial distance LI at most equal to 0.4*L0/2, the at least one outer longitudinal cut (41) with an outer radial portion (411) that opens onto the tread surface (3) and has a mean width WE1 at least equal to 0.6 times its height HE1, and the at least one inner longitudinal cut (42) has an inner radial portion (422) that does not open onto the tread surface (3) and has a mean width WI2 at least equal to 0.6 times its height HI2.

Abstract: Tire (1) comprising a carcass reinforcement (2) surmounted by a crown reinforcement (3), itself capped by a tread (7), the said tread being connected to two beads (6) via two sidewalls (4) each having an exterior surface (40), at least one of the said sidewalls comprising at least two circumferential protrusions (5a, 5b, 5c), each sidewall (4) comprising an equator point (E) situated on the exterior surface of the sidewall radially at the same position as the axially outermost point (20) of the carcass reinforcement (2) in the unladen reference configuration, each circumferential protrusion (5a, 5b, 5c) being bounded by a radially upper wall (51), by a radially lower wall (52), and by a connecting wall (53) situated between the radially upper wall (51) and the radially lower wall (52) tire.

Abstract: Tire (1) comprising a carcass reinforcement (2) surmounted by a crown reinforcement (3), itself capped by a tread (7), the said tread being connected to two beads (6) via two sidewalls (4) each having an exterior surface (40), at least one of the said sidewalls comprising at least two circumferential protrusions (5a, 5b, 5c), each sidewall (4) comprising an equator point (E) situated on the exterior surface of the sidewall radially at the same position as the axially outermost point (20) of the carcass reinforcement (2) in the unladen reference configuration, each circumferential protrusion (5a, 5b, 5c) being bounded by a radially upper wall (51), by a radially lower wall (52), and by a connecting wall (53) situated between the radially upper wall (51) and the radially lower wall (52) tire.

Abstract: Vulcanizing device with radially mobile segments comprising: a bottom plate supporting a bottom shell for molding a tire sidewall, an axially mobile top plate supporting a top shell for molding a tire sidewall, an axially mobile closure ring comprising an inclined interior face, a plurality of circumferentially arranged adjacent segments of which the interior radial faces comprise linings for molding the tread of the tire and of which the inclined exterior radial faces are able to collaborate with: first means of coupling with the closure ring which are produced in such a way that the axial movements of the closure ring involve a radial movement of the segments, and second means of coupling the segments to the top plate which are able to connect the segments to the top plate and to allow their radial movement, the said second means of coupling being adjustable on the circumference of the top plate.

Abstract: The invention relates to a tire tread for a passenger vehicle comprising a tread surface designed to come into contact with a ground when this tire is running. The tread comprises at least one internal cavity of elongate overall shape with a total length LC and width WC and a sipe less than 2 mm wide beginning partly or totally on the cavity. The sipe extends the cavity over the whole of the length LC while extending radially outwards in order to emerge on the tread surface. The cavity comprises a bottom and two lateral walls surrounding this bottom and extending in the length LC of the cavity. The bottom comprises a message intended for an observer of the tire and the message is at a distance from at least one lateral wall of the cavity, the distance between the message and the said lateral wall being at least equal to 5% of the width WC of the cavity.