Abstract: The tire comprises a carcass ply connecting two beads via two sidewalls, the carcass ply being surmounted radially towards the outside of the tire by a crown reinforcing zone which is itself surmounted radially towards the outside of the tire by a tread, the crown reinforcing zone comprising a plurality of reinforcing strips arranged over at least one ply of strips. The strips are arranged so that they are juxtaposed and at an angle less than or equal to 15° with respect to the circumferential direction. Each reinforcing strip is made up of a laminate of at least 3 composite layers, each composite layer containing oriented fibers having a tensile modulus less than or equal to 30 GPa, which are parallel to one another and coated in a polymer matrix.

Abstract: A multi-strand cord (50) having a 1×N structure comprises a single layer (52) of N strands (54) wound in a helix about a main axis (A), each strand (54) having one layer (56) of metal filaments (F1) and comprising M>1 metal filaments wound in a helix about an axis (B). The cord (50) has a total elongation ?t>8.10% and the energy-at-break indicator Er of the cord (50), defined by Er=?0At?(Ai)×dAi where ?(Ai) is the tensile stress in MPa measured at the elongation Ai and dAi is the elongation such that Er is strictly greater than 52 MJ/m3.

Abstract: A composition of epoxide-functionalized resins comprises at least a first epoxide-functionalized novolac resin, a second epoxide-functionalized novolac resin, and a curing agent selected from phenolic or amine-type curing agents, the average molar mass of the group consisting of the entirety of the epoxidized novolac resins in the said composition being between 550 and 650 g/mol, the average epoxide functionality of the said group being between 3 and 3.5 eq epoxide/mol, and the said composition having a glass transition temperature Tg of at least 160° C.

Abstract: The method enables the production of a final assembly (A) comprising two layers and comprises a step (100) of providing a temporary assembly (AT) comprising a temporary core (NT), a step (124) of separating the temporary assembly (AT) into a first divided assembly (AFI), a second divided assembly (AF2), a third divided assembly (AF3) and the temporary core (NT). The method comprises a step (135) of reassembling the first divided assembly (AFI), the second divided assembly (AF2) and the third divided assembly (AF3) to form the final assembly (A).

Abstract: A non-pneumatic wheel (1) comprises a crown reinforcing region (10) itself radially on the inside of a tread (7), the crown reinforcing region (10) comprising a plurality of reinforcing strips (12, 14) arranged in at least three layers of strips (12, 14) arranged in such a way that a virtual axis C-C substantially perpendicular to the strips intersects at least two strips in any axial position of the virtual axis in the crown reinforcing region.

Abstract: A cord (50) comprises a single layer (52) made up of N helically wound metal filamentary elements (54) having an outer diameter D, the metal filamentary elements (54) defining an internal enclosure (58) of the cord of diameter Dv. Each metal filamentary element (54) has a diameter Df and a helix radius of curvature Rf. With this cord (50), D, Dv, Df and Rf being expressed in millimeters: 0.10?Jr?0.25, 9?Rf/Df?30, and 1.60?Dv/Df?3.20, where Jr=N/(?*(D?Df))×(Dh×Sin(?/N)?(Df/Cos(?x ?/180))) and ? is the helix angle, expressed in degrees, of each metal filamentary element (54).

Abstract: The method makes it possible to manufacture an assembly (A) comprising a layer (C) of metal filamentary elements (14) wound in a helix. The method comprises a step (100) of supplying a temporary assembly (22) comprising a layer (13) of M?>1 metal filamentary elements (14) and a temporary centre (16), and a step (110) of separating the temporary assembly (22) between a first split assembly (25), a second split assembly (27) and the temporary centre (16). The method comprises a step (140) of reassembling the first split assembly (25) with the second split assembly (27) so as to form the layer (C) of the assembly (A).

Abstract: A process for the manufacture of a reinforced product comprising a matrix based on a composition and at least one reinforcing element, the reinforcing elements being embedded in the matrix, comprises: mixing of the composition based on: a compound A1 with a melting point T1, and a compound A2 with a melting point T2, at a temperature Tm such that: T1?Tm<T2, so as to dissolve A2 in A1 and to obtain the composition in the liquid state; submerging of the reinforcing element(s) (36) in the composition; and crosslinking by heating of the composition at a temperature Tn such that: T1?Tm<Tn.

Abstract: A tire (1) for an agricultural vehicle, having a crown reinforcement (3), with at least two crown layers (31, 32), each having metal reinforcers which are coated in an elastomer material. Any metal reinforcer of a crown layer (31, 32) has a law, known as a bi-modulus law, governing its elastic behaviour under tension, comprising a first portion having a first extension modulus MG1 at most equal to 30 GPa, and a second portion having a second extension modulus MG2 at least equal to 2 times the first extension modulus MG1, and any metal reinforcer of a crown layer (31, 32) has a law governing its behaviour under compression that is characterized by a critical buckling strain EU at least equal to 3%.

Abstract: A resin composition is based on a resin selected from the group consisting of vinyl ester resins and unsaturated polyester resins, a crosslinking initiator and a crosslinking agent of general formula (I) in which i is an integer between 2 and 4, X is an i-valent group comprising at least one ring of 6 atoms selected from carbon and nitrogen and comprising at least 2 heteroatoms selected from nitrogen and oxygen, and R is an acrylate group, methacrylate group, vinyl group, alkenyl group bearing an unsaturated carbon at the chain end, or alkynyl group bearing an unsaturated carbon at the chain end.

Abstract: A resin composition is based on a resin chosen from the group consisting of unsaturated polyester resins and vinyl ester resins, a crosslinking initiator and a crosslinking agent of general formula R1—X—R2, in which X is an optionally substituted alkylene group and R1 and R2 are, independently of one another, an acrylate, methacrylate or vinyl group, an alkenyl group bearing an unsaturated carbon at the chain end, or an alkynyl group bearing an unsaturated carbon at the chain end.

Abstract: A tire design for a heavy-duty vehicle of construction plant type has a crown reinforcement (40) radially on the inside of a tread (10) and radially on the outside of a carcass reinforcement (70). The carcass reinforcement (70) has at least two carcass layers (50, 60) having metal reinforcers coated in an elastomer compound. The carcass layers (50, 60) have respective stiffnesses per unit width R1, R2. Metal reinforcers of a first carcass layer (50) form, with the circumferential direction (XX?), an angle A1, and those of the second carcass layer form an angle A2, such that the angles A1 and A2, and the stiffnesses R1 and R2, simultaneously satisfy the following three relationships: R1*sin 2(2*A1)+R2*sin 2(2*A2)?(R1+R2)*) sin 2(30°), and ?A1|-|A2?<10°, and 0.7?R1/R2?1.3. The metal reinforcers have a critical compression buckling deformation DF at least equal to 2.5% and a compression elastic modulus MC at least equal to 10 GPa.

Abstract: The tire comprises a crown reinforcing zone comprising a ply of strips, each forming an angle of less than or equal to 10° with the circumferential direction. Each reinforcing strip is formed by a laminate made up of n inner composite layers comprising low-modulus oriented fibres parallel to each other, the angle of which with the circumferential direction is, in absolute terms, less than or equal to 10°, together with m outer composite layers on either side of the inner composite layers, comprising high-modulus oriented fibres parallel to each other, the angle of which with the circumferential direction is, in absolute terms, strictly greater than 10°. The high- and low-modulus fibres are coated with a polymer matrix.

Abstract: The invention pertains to a composition of epoxide-functionalized resins, comprising at least a first epoxide-functionalized novolac resin, a second epoxide-functionalized novolac resin, and a curing agent selected from phenolic or amine-type curing agents, the average molar mass of the group consisting of the entirety of the epoxidized novolac resins in the said composition being between 550 and 650 g/mol, the average epoxide functionality of the said group being between 3 and 3.5 eq epoxide/mol, and the said composition having a glass transition temperature Tg of at least 160° C.

Abstract: The tire comprises a carcass ply connecting two beads via two sidewalls, the carcass ply being surmounted radially towards the outside of the tire by a crown reinforcing zone which is itself surmounted radially towards the outside of the tire by a tread, the crown reinforcing zone comprising a plurality of reinforcing strips arranged over at least one ply of strips. The strips are arranged so that they are juxtaposed and at an angle less than or equal to 15° with respect to the circumferential direction. Each reinforcing strip is made up of a laminate of at least 3 composite layers, each composite layer containing oriented fibers having a tensile modulus greater than or equal to 55 GPa, which are parallel to one another and coated in a polymer matrix.

Abstract: The tire comprises a carcass ply connecting two beads via two sidewalls, the carcass ply being surmounted radially towards the outside of the tire by a crown reinforcing zone which is itself surmounted radially towards the outside of the tire by a tread, the crown reinforcing zone comprising a plurality of reinforcing strips arranged over at least one ply of strips. The strips are arranged so that they are juxtaposed and at an angle less than or equal to 15° with respect to the circumferential direction. Each reinforcing strip is made up of a laminate of at least 3 composite layers, each composite layer containing oriented fibers having a tensile modulus less than or equal to 30 GPa, which are parallel to one another and coated in a polymer matrix.

Abstract: A non-pneumatic wheel (1) comprises a crown reinforcing region (10) itself radially on the inside of a tread (7), the crown reinforcing region (10) comprising a plurality of reinforcing strips (12, 14) arranged in at least three layers of strips (12, 14) arranged in such a way that a virtual axis C-C substantially perpendicular to the strips intersects at least two strips in any axial position of the virtual axis in the crown reinforcing region.