Abstract: Aircraft tire (1) comprising two beads (2). In each bead (2) portion (8) comprises surface layer (9) in contact with rim (3) via radially interior bead face (4) and having a shear stiffness K1. Portion (8) comprises a rigid layer (10), radially on the outside of and adjacent to the surface layer (9), having a shear stiffness K2 at least equal to five times the shear stiffness K1 of the surface layer (9), and a deformable layer (11), radially on the outside of and adjacent to the rigid layer (10) and radially on the inside of and adjacent to the carcass reinforcement portion (5) radially on the inside of the bead wire (7), having a shear stiffness K3 at most equal to 0.3 times the shear stiffness K1 of the surface layer (9).

Abstract: Aircraft tire (1) comprising two beads (2). In each bead (2) portion (8) comprises surface layer (9) in contact with rim (3) via radially interior bead face (4) and having a shear stiffness K1. Portion (8) comprises a rigid layer (10), radially on the outside of and adjacent to the surface layer (9), having a shear stiffness K2 at least equal to five times the shear stiffness K1 of the surface layer (9), and a deformable layer (11), radially on the outside of and adjacent to the rigid layer (10) and radially on the inside of and adjacent to the carcass reinforcement portion (5) radially on the inside of the bead wire (7), having a shear stiffness K3 at most equal to 0.3 times the shear stiffness K1 of the surface layer (9).

Abstract: A tire for heavy equipment, having at least one radial carcass reinforcement surmounted radially to the outside by a crown reinforcement formed of at least three so-called working plies formed of inextensible metal cables, crossed from one ply to the next, forming angles of between 15° and 35° with the circumferential direction. At least one half-ply, formed of inextensible metal cables and of width L′, on either side of the equatorial plane XX′, is arranged between the edges of at least two radially adjacent working plies, the cables of said half-ply forming with the circumferential direction an angle, which is firstly greater in absolute value than 25°, and secondly is greater in absolute value than the largest angle formed by the elements of the two working plies by an amount between 5° and 15°.

Abstract: A tread for a tire for a vehicle of high loading capacity which travels on bumpy roadways, having a tread pattern comprising elements in relief formed by at least one first and one second cutout (1, 2) which are oriented differently. The first cutout (1) opens into the second cutout (2) without crossing it to form a T-shaped connecting region. The tread pattern according to the invention is characterized in that one of the walls (22) of the second cutout (2) is provided, in the connecting region, with a protrusion (6) which extends substantially in the direction of the first cutout (1), this protrusion (6) having, on a surface parallel to the running surface, a contour C, the point of which which is farthest from the second wall is at a distance at least equal to 50% of the width L2 of the second cutout (2). This protrusion reduces the maximum diameter of a spherical object which may be introduced into said connecting region.

Abstract: A tire for heavy equipment, having at least one radial carcass reinforcement surmounted radially to the outside by a crown reinforcement formed of at least three so-called working plies formed of inextensible metal cables, crossed from one ply to the next, forming angles of between 15° and 35° with the circumferential direction. At least one half-ply, formed of inextensible metal cables and of width L′, on either side of the equatorial plane XX′, is arranged between the edges of at least two radially adjacent working plies, the cables of said half-ply forming with the circumferential direction an angle, which is firstly greater in absolute value than 25°, and secondly is greater in absolute value than the largest angle formed by the elements of the two working plies by an amount between 5° and 15°.