The accumulator cell of the open type includes, in a tank provided with at least one opening enabling the gaseous products to escape, at least two plates (2, 3), respectively positive and negative, these plates (2, 3) being bathed in an acid electrolyte in the liquid state and being separated from one another by at least one separator cell having good physical and chemical resistance to the acid, ...

Procédé d'application d'une bande de roulement prémoulée et prévulcanisée sur une carcasse de pneumatique montée gonflée sur un mandrin (21), ladite bande de roulement étant prédécoupée à une longueur voulue inférieure à la plus grande circonférence du sommet de ladite carcasse, disposée sur une table d'application (40) et allongée, lors de son application sur ladite carcasse, par un rouleau ap...

Ledit dispositif comprend un piston de manoeuvre (41) directement actionné par un organe mécanique tel qu'un frein ou un embrayage; un piston d'actionnement (43) pouvant être relié audit piston de manoeuvre (41), et agissant directement sur une pression de liquide dans une zone devant être mise en action; et un moyen de commande de la pression du liquide, conçu pour relier lesdits pistons (43, ...

An apparatus providing pulsed emission of a laser beam (6) and comprising a laser rod (1), devices (2, 3) providing pulsed excitation of the laser rod (1) so that said rod delivers light radiation, a resonator (4, 5) placed on either side of the rod (1) for emitting laser light radiation, and devices for selecting the wavelength of the emitted laser light radiation. Said selection devices (4, 5) a...

The lengths of printing material (1) of varying widths are conveyed through several printing points formed by juxtaposed printing cylinders (2) in a printing unit. The width of the reel changer (13), the position of the printing cylinders and the components of an adjustable folder (20) are automatically and relatively adjusted during operation, for converting production from one printed product to...

Système d'objectif qui possède une pluralité de systèmes d'objectif (22) ayant chacun un prisme de Dove (24) et un objectif (26) pour prendre en image la lumière reçue à partir de son prisme de Dove (24) sur le champ d'image d'un appareil de prise de vues à CCD (10). Chaque système d'objectif (22) visualise une scène différente et prend en image cette scène sur une partie différente du champ d'...

The connector includes a connection element (11) which includes a casing with at least three walls (11a,11b,11c) with one or more walls having the contacts (15). There may be four walls with top and bottom closure plates or three walls with a complementary U-shaped piece or a base with four walls and a simple closure plate, held in place by an elastic fitting. Two opposing walls have an anchorage ...

The method is designed for the optimal management of a unit in an arrangement of N units, designed to accomplish a global task operationally split into an arrangement of M elementary tasks which can be executed in parallel, using a neural network. The neural network by an iterative procedure determines the variables which code the decision whether or not to use a unit for an elementary task and w...

The materials tracking and management involves associating memories (22) with the materials, recording modifications in the memories and recording the modifications or new configurations of the material in a data base (12). Each memory has recorded a tree-structured record of the material and its processing. A program is also incorporated in the memory. The program provides read and write access ...

The instrument support (1) includes a wall (3) having a through-aperture (4) for at least one connecting cable of the instrument and a substantially flat gasket (7) interposable between the wall (3) and the instrument and having a hole (8) intended to face the aperture (4). The gasket (7) has two integral sleeves (11) perpendicular to it, each having a flange (12) adapted to hold the gasket (7) in...

The implant has a base (2) with retaining spikes (7) for a natural or artificial ligament, and two branches (3,4) extending from the base. The branches are formed of a martensitic alloy which is thermo-elastic and has shape memory. The arms extend in a rectilinear fashion from the base at a level below the martensite trans formation temp. and curve above the austenitic temp.;

Cet implant ligame...

An optoelectronic apparatus comprising a casing (110, 340) and an optical unit (100) on which at least one component (300) having high heat emission is disposed. This component (300) is initially linked with clearance (360) with the optical unit (100), by first fastening means (330), and in a second step by second fastening means (320) the component (300) is fixedly secured to the casing (110, 340...

Flexible mortar for sealing the internal and/or external coating of structures made of cement, concrete, steel or cast iron, consisting of a liquid phase and a hydraulic phase: - in which the liquid phase is an organic phase comprising water and a latex emulsion; - and in which the hydraulic phase comprises a mixture of at least two silicas of different particle size, characterised: - in th...

Prodn. of collagen (I) comprises: (i) extracting (I)-contg. tissues; (ii) solubilising (I); (iii) removing tissue and cell debris from the soln.; (iv) treating the filtered soln. under alkaline conditions, and (v) isolating (I) free from the risk of transmitting unconventional transmissible agent (A; prions). Also claimed are: (1) (I) as power or gel prepd. in this way; and (2) biological material...

A composite concrete mixt. consists of a hard core, a hydraulic binder, a hydrocarbon binder, water and one or more additives. The vol. amt. of binder present is greater than 12% w.r.t. the amt. of hard core.;

Béton composite comprenant des granulats, un liant composite à base de liant hydrocarboné et de liant hydraulique, et des additifs destinés à contrôler sa rhéologie. La proportion relativ...

Composite panels having high fire protection performance and comprising two outer layers and a core, with the core containing a core mixture and the core mixture containing aluminium hydroxide in compacted form, light fillers, if appropriate finely divided or splintery aluminium hydroxide, if desired magnesium hydroxide and binder based on polymers. The composite panels are suitable, for example, ...

An improved damper of the type comprising means for progressively resisting in an exponential manner the advance of a piston under the effect of an axial pressure force, the said means constituting a limit stop opposing any stroke of the piston beyond a defined value of this stroke, and application of the said damper to an intervertebral stabilising device.

Input signals (WM) from a fibre=optic cable (28) pass to a polarizer (34). Output polarized signals (WP) pass along an optical line length (29). The line length output passes to a phase modulator (26). The phase modulator is modulated by a triangular waveform response (36) to produce an output signal (WE) on a Lithium Niobate crystal output (32). The modulator is birefringent and the interaction a...

The femoral implant for a hip prosthesis comprises a stem (1) interacting with the medullary cavity (canal) and a neck (1f) receiving, directly or in add-on manner, a spherical head (3) interacting with the acetabulum of the iliac bone. The proximal part (1a) of the stem (1) has, over very substantially one third of its upper part, grooves (1b) formed vertically over each of its side faces, the de...

Universal rotating base for moulds for multi-injection of plastics has fixed bodies (3, 4) mounted on the mobile plate (2) of the injection machine and a central splined shaft (5) able to rotate and move axially. One end of the shaft (5) is mounted in a central bearing (6) itself mounted on the front face of the fixed body (3, 4). That end has a head (18) onto which is demountably fitted a rotatin...