Reinforcements for the annular band of a non-pneumatic tire. Different configurations and material arrangements are described. Exemplary embodiments of a non-pneumatic tire that can incorporate such annular band are also described.
A tread for a tire for a heavy-duty vehicle for mixed use and aims to improve the endurance of the crown of the tire following retention of stones in the tread. The tread () has voids () with a first, radially outer void portion () of groove type, having a width W on the tread surface (), a width W…
A low-noise tire () for a heavy-duty vehicle, having a tread () having at least two juxtaposed complex circumferential cuts () which are separated from one another by a circumferential row of raised elements (). Each complex circumferential cut () has an alternation of external cavities (), which…
A method of instrumentation for a construction plant tire () for measures the temperature inside a rubber compound of the tire. The method comprises a step of identifying areas for installing sensors () each having a microprocessor, radio transmission means, a temperature measuring probe, and power…
A rubber composition is based on at least a diene elastomer, a reinforcing filler comprising pyrolysis carbon black, a crosslinking system, between 1 and 30 phr of an epoxy resin and between 0.5 and 15 phr of a hardener.
Pneumatic tires and more particularly tire outer sidewalls have elastomeric layers located radially on the outside of the tire, which are in contact with the ambient air, and which are based on a composition containing pyrolysis carbon black
A rubber composition, which allows unexpectedly improved tearability performance while having maintained or improved hysteresis performance, is based on at least an elastomer matrix, a reinforcing filler, a plasticizing agent, and a crumb rubber. A ratio by weight of the total amount of the…
A tire () comprises N11 major transverse cuts () formed in the central rib j such that N1
The present invention relates to a tyre () comprising, in the beads or in the tread, a rubber composition based on:
An improved rubber composition having improved extrudate properties and exhibiting superior tolerance to aging when subject to multi-step mixing process and in particular to a mixing process where the rubber composition is mixed in a first mixer, cooled by passing between a pair of cylinders, then…
The tire () has a stiffening structure () comprising a stiffening element () anchored in or around radially inner reinforcing structures (A) and a radially outer reinforcing structure (A, B). Each stiffening element () extending from one of the radially inner reinforcing structures (A) comprises a…
A tire () for a vehicle of the construction plant type, having a carcass reinforcement () and a crown reinforcement (), with at least five crown layers () having metal reinforcers. The protective layer () has elastic reinforcers having a tensile modulus at most equal to 110 GPa. The rubbers…
A tire for use on an asphalted surface comprises a tread surface () comprising a continuously-smooth part (). The or each continuously-smooth part () comprises a plurality of recessed portions () and a plurality of raised portions (). The recessed portions () and the raised portions () are arranged…
A rubber composition, which allows a sufficient scorch time while being maintaining or improving the curing time, the breaking energy performance, the performance of permeability to oxygen and the hysteresis performance, is based on at least an elastomer matrix, a reinforcing filler, a plasticizing…
An aircraft radial tire, having a radial carcass reinforcement with a plurality of carcass layers made up of textile reinforcing elements oriented substantially radially, which is to say making an angle of between 75° and 105° with the circumferential direction, the radial reinforcing elements of…
A device for assembling an airless tire () comprising a hub () of central axis (Z), a peripheral annular band () and a plurality of spokes () that connect the hub () to the peripheral annular band () comprises a plurality of pressing sub-assemblies () each comprising pushers () for pressing the…
A tire comprises a pair of flexible bead wires () of reduced mass. Each bead wire () has the form of a closed circumferential ring, bracing the bead of the tire () against the rim () and comprising a first part made of a first material M taking the form of textile cords (), the first part…
The invention relates to a rubber composition which comprises a reinforcing filler, a crosslinking system and more than 50 to 100 phr of an elastomer which is a copolymer of ethylene and of a 1,3-diene CH═CR—CH═CH, the symbol R representing a hydrocarbon chain having from 3 to 20 carbon atoms. The…
The rolling resistance of a tire has been improved without degrading industrial performance. The sidewall () consists of two sub-layers. A first sub-layer (FE) of thickness E1 and volume V1 provides the expected protection functions of a sidewall as the outer wall of the tire, and a second…
The tread pattern of a tire for a vehicle for agricultural use comprises two rows of lugs (R, R), a first row being made up of a circumferential distribution of at least two families of lugs, over one revolution of the wheel; a first family is reproduced with a shortest spacing S, and a second…
An assembly () comprises a motorcycle tire () and at least one insert () for a sidewall of the tire (). The insert () is removably fastened to the sidewall. The sidewall insert () comprises two free end edges arranged so that, when the tire () is mounted on a mounting support () in order to form a…
The invention relates to a tire () that can be regrooved at least once, and the tread of which has at least one re-cuttable groove (). According to the invention, after regrooving, the height (H) of said at least one re-cut groove () is greater than or equal to 70% of the groove height (H) of said…
A method of instrumentation for a construction plant tire () for measures the temperature inside a rubber compound of the tire. The method comprises a step of identifying areas for installing sensors () each having a microprocessor, radio transmission means, a temperature measuring probe, and power…
A tread for a heavy truck tire that has a rib is provided. A sipe is located in the rib and extends from a first lateral surface to a second lateral surface. A first end of a teardrop of the sipe is located at the first lateral surface, and a second end is at the second lateral surface. A middle…
A tire for an agricultural vehicle, having a tread consisting of blocks in pairs separated by voids and arranged, over the width of the tread, in a median row, two intermediate rows and two lateral rows. To obtain compromise between rolling resistance and service life in terms of wear in road use…
Radial carcass tire for a civil engineering vehicle, having two bead wires () of radial height Ht, and carcass reinforcement made of two layers, the first () being radially innermost with a radial height Hdc, is anchored in each bead to form a main part () and a turn-up (). The second layer () is…
A heavy truck tire tread that has a rib is provided. A sipe is in the rib that extends from a first lateral surface to a second lateral surface. A first end of a teardrop is located at the first lateral surface, and a second end at the second lateral surface. A middle section of the teardrop is…
A composite comprises at least one reinforcing element exhibiting a surface comprising an alloy of copper and zinc, the reinforcing element being embedded in an elastomeric composition based on at least a diene elastomer, a reinforcing filler, a sulfur crosslinking system and a phenol/aldehyde…
The tire () comprises a crown (), two sidewalls (A, B), two beads (A, B), an inner surface () delimiting a toroidal cavity (), and a stiffening structure () comprising a stiffening element () extending continuously into the toroidal cavity () from at least one of the sidewalls (A, B) or one of the…
A tire () includes a stiffening structure () comprising stiffening elements () anchored in the crown () and extending into the toroidal cavity () between a radially inner anchor point (A, B) and a radially outer anchor point (A, B). The tread () has a profile height and comprises a plurality of…
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