Abstract: Rubber composition comprising at least one diene elastomer, one reinforcing filler and one 1,2-cyclohexanedicarboxylate diester plasticizer corresponding to the formula (R hydrocarbon radical): The invention also relates to the use of such a composition in the manufacture of a tire or of a tire semi-finished product made of rubber, in particular of a tire tread exhibiting an improved wet grip, without adversely affecting its other properties; it also relates to the tires and semi-finished products themselves and to a plasticizing system comprising, in combination, the said diester plasticizer and a plasticizing hydrocarbon resin, the glass transition temperature (Tg) of which is greater than 0° C.

Abstract: A two-wheel vehicle for carrying out tire grip measurements. The vehicle is equipped with three spars fitted onto one side of the vehicle, the ends of the spars forming a plane approximately parallel to the circumferential plane of the rear wheel of the vehicle and the distance between said plane and the circumferential plane of the rear wheel of the vehicle being greater than 350 mm.

Abstract: A method for measuring inflation pressure of a vehicle tire involves measuring a compressive stress. The tire includes a rubber mass, referred to as an interior rubber, delimited by an internal surface in contact with air inside the tire and an external surface in contact with a carcass ply of the tire. The compressive stress in the interior rubber of the tire, between the internal and external surfaces of the interior rubber, is measured and the inflation pressure is deduced from this compressive stress.

Abstract: The invention relates to a method for assisting in the driving of a vehicle during a braking test on said vehicle on a track, said track being divided into a plurality of adjacent strips (Z1, . . . , Zn) mainly extending lengthwise in the track, the width (Iz) of each strip being greater than or equal to the width of the tires of the vehicle, each strip being worn on each braking of the vehicle on said strip. The assistance method comprises a step of selecting at least one strip out of the plurality of strips of the track, said strip being selected according to its level of wear. The assistance method also comprises a step of determining a theoretical trajectory of the vehicle, such that, by following said theoretical trajectory, the vehicle is able to brake on the selected strip.

Abstract: It is an object to provide a method for producing titanium dioxide superfine particles, which produces monodispersed titanium dioxide superfine particles depending on its purpose, causes no clogging with a product due to self-dischargeability, requires no great pressure, and is excellent in productivity. In the method for producing titanium dioxide superfine particles in a fluid containing a titanium compound by separation, the fluid is formed into a thin film fluid between two processing surfaces arranged so as to be able to approach to and separate from each other, at least one of which rotates relative to the other, and the titanium dioxide superfine particles are separated in the thin film fluid.

Abstract: Film having liquid-water, grease, gas and water-vapor barrier properties, comprising a PVA film grafted on the surface with a fatty acid.

Abstract: A self-contained device intended to be carried by a wheel-tire assembly in order to locate whether the assembly is positioned on the right side or on the left side of a vehicle is described. The device includes two magnetic sensors with axes of maximum sensitivity, the sensors providing two periodic signals that are phase shifted relative to one another. Each signal is representative of variations in the magnitude of the magnetic field detected by the sensor during a revolution of the wheel-tire assembly. The device also includes a processing unit programmed to determine, from the phase shift between the two periodic signals, a direction in which the wheel-tire assembly is rotating and to deduce, from this direction of rotation and from a direction of travel of the vehicle, whether the wheel-tire assembly is located on the right side or on the left side. The two magnetic sensors are intended to be positioned on the wheel-tire assembly at distinct azimuthal locations.

Abstract: A pneumatic tire provided with a noise damper in the tire cavity, which can maintain high-speed durability and productivity while also reducing cavity resonance, comprising a tread having a width TW in contact with the ground during travel, in which a noise damper made of a sound-absorbing material is attached to the tire internal surface in order to reduce cavity resonance, wherein the noise damper is at least one continuous ribbon made of a sound-absorbing material and having a width W and a thickness E, which is fixed over an attachment width Wc to the tire internal surface over a range of at least 30% of the inside of the tread in the radial direction, the start end and terminal end which are the two ends of the continuous ribbon are disposed in such a way as to be offset from each other in the axial direction, and the continuous ribbon forms, together with the tire internal surface, a continuous groove having a groove width D which is at least equal to 10% of the width W of the continuous ribbon.

Abstract: An electric braking system is provided for a road vehicle that includes at least one wheel connected for rotation to at least one rotary electric machine. At least one electronic wheel control module controls an electric machine of a corresponding wheel, The electric braking system includes: a central unit (3) for ensuring management of a vehicle displacement, the central unit controlling the at least one electronic wheel control module (23); a braking control available to a driver, the braking control being connected mechanically to at least: a first sensor (C1) outputting a vehicle braking control signal having a given amplitude representing a total braking force desired for the vehicle, and a second sensor (C2) outputting a vehicle braking control signal having a given amplitude representing the total braking force desired for the vehicle.

Abstract: A pneumatic tire with a built-in self-sealing layer includes an outer rubbery tread, a carcass reinforcement, a gastight layer located at an inside position relative to the carcass reinforcement, a protective layer located at an innermost position, and a self-sealing layer adjacent to the protective layer and located at an inside position relative to the gastight layer. The protective layer is a thermoplastic film that includes a copolymer formed of at least hard blocks and soft blocks corresponding to a formula: -(BR-BS)n-, where: BR represents a hard block composed of a polyamide or of a blend of polyamides; BS represents a soft block composed of a polyether, a blend of polyethers, or a polyether/polyester copolymer; and n represents a number of (BR-BS) units of the block copolymer, such as, for example, a poly(ether-block-amide) copolymer.

Abstract: In particular embodiments, a method of forming a retreaded tire includes the steps of: applying a tread to a tread-engaging portion of a tire carcass, the tread having an initial width and a layer of cushion gum interposed between the tread and tire carcass; placing a curing membrane about the tread to form a tire curing assembly having a compartment between the membrane and tread; placing the tire curing assembly in a vessel chamber; pressurizing the chamber to a predetermined pressure; heating the chamber to a predetermined temperature; pressurizing the compartment to a pressure greater than 14.7 psia and less than the chamber pressure to provide a pressure differential, the step initializing after the step of pressurizing the chamber initializes and whereby a final tread width is provided that is equal to 98.0% or more of the initial tread width when the initial tread width is approximately 290-500 mm.

Abstract: Particular embodiments of the present invention include a contoured tire tread, and a mold and method for forming the contoured tread. In a particular embodiment, a mold is provided for forming a contoured tread, the mold including a first mold member and a second mold member. The first and second mold members are reversibly displaceable from each other from a first, closed position in which the first and second members substantially enclose a mold cavity, to a second open position in which the first and second members are displaced from each other. The first mold member contains a mold cavity adapted to contain a polymeric material and having inner wall members and sipe-forming members. The first mold member having a contoured mold cavity bottom surface, and the second mold member having a contoured molding surface.

Abstract: Embodiments include inflatable articles that include an interior surface adapted for being in contact with the inflation gas, the interior surface coated with a parylene barrier. The parylene barrier may be formed of parylene N, parylene C, parylene D, another substituted parylene or combinations thereof. In particular embodiments, the inflatable article is a tire. Other embodiments include inflatable articles having composite layers, wherein at least two of the composite layers include surfaces that interface with one another and a parylene coating applied to at least one of the interfacing surfaces.

Abstract: A method for tightening a screw joint up to a predetermined target torque level (TT) by means of a hand held torque delivering power tool, wherein a tightening torque is applied on the screw joint during a tightening phase (E) via a snug torque level (TS), indicating during the tightening phase (E) a torque growth characteristic (?t1), interrupting the torque application on the screw joint at the arrival at the target torque level (TT) to prevent further rotation of the screw joint, resuming torque application via declination ramp (F) at a declining rate after the target torque level (TT) is reached, wherein the resumed torque application is declined at a rate responsive to the indicated torque growth characteristic (?t1) to obtain an ergonomically favourable torque reaction characteristic in the power tool.

Abstract: A method for producing a pneumatic tire in which a noise damper in the form of at least one continuous ribbon for reducing cavity resonance in a tire cavity is provided on the internal surface of a tire on the inside in the radial direction of the tire corresponding to the tire tread, including, providing a vulcanized and shaped tire; mixing a composition for forming the noise damper with a foaming agent to produce a liquid composition; rotating the tire in an upright state by means of a tire holding and rotation device, and introducing the liquid composition onto the tire internal surface by a device for introducing the liquid composition; varying the relative positional relationship of the pneumatic tire and the introduction implement in the axial direction of the tire while introducing the liquid composition is introduced onto the tire internal surface, and forming the liquid composition into a gel; and foaming and drying the gelled liquid composition.

Abstract: The screw is intended for the extrusion or mixing of elastomers or plastic products. It comprises: a support, at least one sleeve having at least one relief projecting from an external face of the sleeve, and at least one split annular securing member, the member being clamped between the sleeve and the support in a radial direction with respect to an axis of the screw so as to secure the sleeve rigidly to the support. The member and the sleeve have frustoconical faces in mutual contact.

Abstract: Exemplary embodiments of the subject invention comprise methods and apparatus concerning balanced abrading of a tire surface by an abrading tool. Such an abrading tool may comprise a pair of counter-rotating, driven abrading members, each of the abrading members having a rotational axis generally extending laterally across the tool, the abrading members being spaced apart in a lateral direction of the tool by a desired distance, each of the abrading members having an abrading surface defined by at least one outer diameter, the abrading surface extending axially relative to the rotational axis of the abrading member, wherein each of the abrading has a shaft upon which each abrading member is arranged, each of the shafts being adapted to be driven by a driving source. The tool further includes a body to which each shaft and abrading member is attached.

Abstract: Method of manufacturing a metal cable having two layers (Ci, Ce) of construction M+N, comprising an inner layer (Ci) having M wires of diameter d1 wound together in a helix at a pitch p1, M varying from 2 to 4, and an outer layer (Ce) of N wires of diameter d2, wound together in a helix at a pitch p2 around the inner layer (Ci), the method comprising the following steps performed in line: a step of assembling the M core wires by twisting to form the inner layer (Ci) at a point of assembling; downstream of the point of assembling of the M core wires, a step of sheathing the inner layer (Ci) with a diene rubber composition called “filling rubber”, in the raw state; a step of assembling the N wires of the outer layer (Ce) by twisting around the inner layer (Ci) thus sheathed; and a step of twist balancing. Also disclosed is a device for implementing such a method.

Abstract: A tread for a pneumatic tire in which air column resonance sound is reduced and wear of the groove fences and tread portion are caused to be approximately the same, while drainage performance is maintained, wherein a plurality of groove fences are formed and are installed within at least one circumferential groove, extending from the bottom of the circumferential groove, and block at least 70% of the cross-sectional area of the circumferential groove, and the bending parameter of the groove fences, defined as E·I/(h3l) (where E is the modulus at 10% elongation of the material used for the groove fences, I is the second moment of area of the groove fence, h is the height of the groove fence, and l is the width of the groove fence) is at least equal to 250 Pa and at most equal to 350 Pa.

Abstract: The invention relates to a tire having a radial carcass reinforcement, consisting of at least one layer of reinforcing elements anchored in each of the beads by an upturn around a bead wire, said carcass reinforcement upturn being reinforced by at least one layer of reinforcing elements or stiffener, the radially outer end of which is radially on the outside of the end of the upturn. According to the invention, the reinforcing elements of at least one stiffener are non-wrapped metal cords with saturated layers, having, in what is called the permeability test, a flow rate of less than 5 cm3/min, the radially inner end of said stiffener being radially on the inside of the point of the bead wire which is radially closest to the axis of rotation and the modulus of elasticity of the polymer blends of the calendering layers of the carcass reinforcement being less than or equal to 8 MPa.