Abstract: A rubber composition which is free of precursor of at least one carcinogenic nitrosamine, is capable of vulcanization at a temperature of between 95° C. and 140° C., and has a vulcanization system which includes: a) sulfur; b) an accelerator compound; c) an ultra-accelerator compound; d) a vulcanization amine activator. A process for vulcanizing this composition in the manufacture of a new tire or in the repair and/or recapping of a worn tire.

Abstract: A multi-layer cable having an unsaturated outer layer, usable as a reinforcing element for a tire carcass reinforcement, comprising a core of diameter d0 surrounded by an intermediate layer (C1) of four or five wires (M=4 or 5) of diameter d1 wound together in a helix at a pitch p1, this layer C1 itself being surrounded by an outer layer (C2) of N wires of diameter d2 wound together in a helix at a pitch p2, N being less by 1 to 3 than the maximum number Nmax of wires which can be wound in one layer about the layer C1, this cable having the following characteristics (d0, d1, d2, p1 and p2 in mm): 0.08<d0<0.28;??(i) 0.15<d1<0.28;??(ii) 0.12<d2<0.25;??(iii) for M=4: 0.40 <(d0/d1)<0.80;??(iv) for M=5: 0.70<(d0/d1)<1.10; 4.8?(d0+d1)<p1<p2<5.6?(d0+2d1+d2);??(v) the wires of layers C1 and C2 are wound in the same direction of twist.

Abstract: The invention concerns a device for the application (1) of at least one cable onto a rotating receiving surface (2) revolving at a speed V2, comprising means (10) for feeding the cable that comprise at least one capstan (11) revolving at a speed V1, means (20, 30) to displace the cable transversely relative to the receiving surface (2) and means (40) to position the cable on said receiving surface, characterized in that the means (20, 30) to displace the cable transversely effect said displacement by the combination of a rotary movement about an axis perpendicular to the cable travel direction with a pivoting movement in a plane containing the axis of said rotation, the extent of pivoting being determined by the ratio between the speeds V1 and V2.

Abstract: The invention relates to a device for fastening an electronic monitoring module onto a tire comprising a patch (12) of rubber mix, an upper surface of which bears at least one rigid insert (18, 19) having a threaded recess (181, 191) intended to cooperate with a screw (14, 15) and a lug (131, 132) on a casing (13) bearing the electronic monitoring module.

Abstract: A monohydroxysilane polysulfide of the formula: in which the radicals R, which may be identical or different, are hydrocarbon groups preferably comprising from 1 to 15 carbon atoms; the radicals R′, which may be identical or different, are divalent linking groups preferably comprising from 1 to 18 carbon atoms; x is greater than or equal to 2. This hydroxysilane is in particular a bis-(propyidimethylsilanol) polysulfide. A process for obtaining such a hydroxysilane by alcoholysis and/or hydrolysis of a halogenated organosilane, followed by a sulfuration stage. Use of this hydroxysilane as a coupling agent.

Abstract: The present invention is a pneumatic tire and wheel system comprising: a wheel including a rim; mechanically secured to which is an annular insert and a pneumatic tire including an interior space; and a lubricant release system for release of lubricant into the interior space of the tire. The lubricant release system comprises: a sensor for sensing tire conditions; a transmitter for sending a first signal to; a computer for assessing the signal and sending a second signal to; an actuator mechanically secured to the wheel. The actuator includes: a receiver for receiving the signal; a reservoir for containing lubricant; an expulsion mechanism for expelling lubricant; and a power source for powering the expulsion mechanism.

Abstract: A multi-layer cable having an unsaturated outer layer, comprising a core (C0) of diameter d0 surrounded by an intermediate layer (C1) of six or seven wires (M=6 or 7) of diameter d1 wound together in a helix at a pitch p1, surrounded by an outer layer (C2) of N wires of diameter d2 wound together in a helix at a pitch p2, N being less by 1 to 3 than the maximum number Nmax of wires which can be wound in one layer about the layer C1, this cable has the following characteristics (d0, d1, d2, p1 and p2 in mm): (i) 0.14<d0<0.28; (ii) 0.12<d1<0.25; (iii) 0.12<d2<0.25; (iv) for M=6: 1.10<(d0/d1)<1.40; for M=7: 1.40<(d0/d1)<1.70; (v) 5&pgr;(d0+d1)<p1<p2<5&pgr;(d0+2d1+d2); (vi) the wires of layers C1 and C2 are wound in the same twist direction.

Abstract: Toric membrane M used as a support means for the tread of a tire P and forming together with the said tire P and its mounting rim J an assembly that can roll when the tire P suffers a loss of pressure, the said membrane M being expandable, capable of filling the internal cavity of the tire P, consisting of an airtight interior layer (10), a crown reinforcement (14) comprising two crossed plies (141, 142), two carcass half-plies (111, 112) anchored in each bead B reinforced by a reinforcement ring (2) and a cap (17) reinforced by a hopping armature (16), the crown reinforcement (14) being detached from the interior layer (10) and from the edges of the carcass half-plies (111, 112) which are on either side of the equatorial plane XX′ and are connected by at least one connecting ply (15).

Abstract: A method for predicting the comfort performance (noise, vibrations) in the cabin of a vehicle fitted with a prototype suspension system when the vehicle is rolling at a given speed on a rolling apparatus made of at least one obstacle, consisting of obtaining an overall transfer function for the vehicle fitted with a reference suspension system, measuring the forces that act at the attachment points of a prototype system, and calculating the noise and vibration outputs by multiplying the overall transfer function by the forces acting at the attachment points of a prototype system.

Abstract: The present invention provides a stainless steel wire for a carcass of a tire and a process for making such a wire. The wire comprises at least 0.02% and at most 0.2% carbon, at least 3% and at most 20% nickel, at least 12% and at most 28% chromium, the sum of the nickel and chromium being at least equal to 20% and at most 35% (% in weight). The structure of the steel comprises at least 20% in volume of martensite and it is devoid of austenite or it comprises less than 80% of it in volume.

Abstract: A tread for a tire includes at circumferentially extending grooves having side walls contoured with upper and lower waveforms that are relatively staggered, or out of phase. The side walls provide alternating protrusions and recesses relative to a perpendicular reference plane passing through upper edges of the groove. A cavity is provided beneath upper groove edges for the entire circumference of the tread, which imparts flexibility and helps avoid the initiation of rail wear.

Abstract: A multiple cell capacitor (200) includes at least first and second capacitor cells (260) and a cell balancing circuit (265) electrically coupled to the first and second capacitor cells (260). Packaging material (280) encloses the first and second capacitor cells (260) and the cell balancing circuit (265). The cell balancing circuit (265) can include, for each capacitor cell (260), a resistor (265) formed electrically in parallel with that capacitor cell (260).

Abstract: A method of fabricating a wound cell that retains its shape includes the steps of employing a heat-shrinkable porous membrane as the cell separator, and heating the cell wind either before or after addition of electrolyte.

Abstract: A series-resonant power converter (10) featuring a tap winding (106) on a transformer (100) that is coupled to a resonant capacitor (124) in a resonant tank circuit (122). An output voltage is taken at a secondary (104) of the transformer (100) via a rectifier (110). A control circuit (140) is coupled to the output voltage to monitor the output voltage with respect to a reference to determine load conditions and to generate a control signal representative thereof. An energy recirculation circuit (180) is coupled to the control circuit (140) and to the voltage source (12) and comprises a switch (186) coupled to the tap winding (106) of the transformer (100).

Abstract: An electrolyte for an electrochemical cell is described comprising two or more polyanion-based compounds of the general formula:M.sub.m [X.sub.x Y.sub.y O.sub.z ].nH.sub.2 OwhereM is selected from the group consisting of ammonia and the elements of Groups IA and IIA of the Periodic Table;X and Y are different and are selected from the group consisting of the elements of Groups IIIB, IVB, VB, and VIB of the Periodic Table, and boron, aluminum, gallium, silicon, germanium, tin, phosphorous, arsenic, antimony, bismuth, selenium, tellurium, polonium, indium, and astatine;O is oxygen; andm is an integer from 1 to 10, inclusive;x is an integer from 0 to 1, inclusive;y is an integer from 2 to 13, inclusive;z is an integer from 7 to 80, inclusive; andn is an integer from 2 to 100, inclusive.